AMM Golam Adam | Jagannath University (original) (raw)

Papers by AMM Golam Adam

Research paper thumbnail of Effects of sowing time on growth and yield performance of six high yielding varieties of wheat (Triticum aestivum L.)

Bangladesh Journal of Botany, Mar 31, 2019

Research paper thumbnail of Growth, yield and biochemical responses of BARI chhola-9 (Cicer arietinum L.) to GA3 and rhizobium application

Bangladesh Journal of Botany, 2018

A field experiment was conducted to investigate the responses of various concentrations of GA3 (1... more A field experiment was conducted to investigate the responses of various concentrations of GA3 (10, 20, 50 ppm) and Rhizobium inoculation on growth, yield and biochemical parameters of BARI Chhola-9. Foliar application of 50 ppm GA3 resulted maximum plant height, number of primary branches per plant, shoot and root length, fresh and dry weight of shoot and root and biomass duration per plant with significant variations in case of fresh and dry weight of shoot and biomass duration. The stimulatory effect of 50 ppm GA3 on number of pods per plant, fresh and dry weight of pods per plant, number of seeds per pod, number of seeds and straw yield per plant and weight of 1000-seed eventually produced 4.76% higher yield over the control. Yield parameters of BARI Chhola-9 showed almost negative response to Rhizobium and 10 ppm treatments with a few exceptions. Pigment content of leaves also increased due to 50 ppm GA3 treatment at both vegetative and flowering stages where, significantly hig...

Research paper thumbnail of Growth Analysis Of Brri Dhan-44 (Oryza Sativa L.) Following 2,3,5 Tri-Iodo Benzoic Acid Application

Journal of the Asiatic Society of Bangladesh, Science, Jun 16, 2015

Research paper thumbnail of Effects of naphthalene acetic acid on yield attributes and yield of two varieties of rice (<i>Oryza sativa</i> L.)

Bangladesh Journal of Botany, 2011

Effects of 100 and 200 ppm of naphthalene acetic acid (NAA) on yield attributes and yield of two ... more Effects of 100 and 200 ppm of naphthalene acetic acid (NAA) on yield attributes and yield of two varieties of rice during 2009 - 2010 Boro season were evaluated. The highest plant height was observed due to 200 ppm in both BRRI dhan-29 (V1) and BRRI dhan-50 (V2). Number of tillers per plant were found to increase due to 100 ppm NAA only in BRRI dhan-29 and varied non-significantly. Yield attributes, viz. number of branches per panicle, number of grains per panicle and filled grains per panicle increased in BRRI dhan-29, following both 100 and 200 ppm NAA, whereas, most of the yield parameters decreased in BRRI dhan-50. Due to 100 and 200 ppm NAA, grain yield per plant increased by 27.67 and 6.85%, respectively in BRRI dhan-29 though not statistically significant. However, in BRRI dhan-50 grain yield per plant decreased by 26.54% due to 100 ppm and 27.67% due to 200 ppm. Out of the two concentrations 100 ppm NAA produced better stimulation. Key words: Rice; Naphthalene acetic acid; F...

Research paper thumbnail of Changes in Photosynthetic Pigment of Wheat(Triticum Aestivum L. Var. Bari Gom-25) As Affected By Naa and N-Fertilizer

Dhaka University Journal of Biological Sciences, 2022

A field experiment was conducted to investigate the changes inphotosynthetic pigment of BARI Gom-... more A field experiment was conducted to investigate the changes inphotosynthetic pigment of BARI Gom-25 as affected by foliar spray of NAA andN-fertilizers. The experiment consisted of seven different concentrations of NAA(NAA0 = 0, NAA1 = 10, NAA2 = 20, NAA3 = 30, NAA4 = 40, NAA5 = 50 and NAA6 =60 ppm) and five N-levels (F0=0, F1=25, F2=50, F3=75 and F4=100% of therecommended dose) and their 35 combination treatments. Results revealed thatfoliar application of 40 ppm NAA (NAA4) produced higher chlorophyll a contentat all stages (tillering, flowering and grain filling) and were significantly higherthan control at tilling and flowering stages. Chlorophyll b and carotenoidcontents did not show any general trend to NAA at any stage except at tillingstage. Application of 50% of the recommended N-fertilizer (F2) producedsignificantly maximum photosynthetic pigment contents at tilling stage whereas,at flowering stage the same results were obtained from 100% of therecommended N-fertilizers (F4...

Research paper thumbnail of Effects of Tiba and Rhizobium Application on Growth, Yield and Biochemical Components of Brri Dhan-55 (Oryza Sativa L.)

Bangladesh Journal of Botany

Effects of TIBA (10, 25, 50 ppm) and Rhizobium inoculation on growth, yield and biochemical compo... more Effects of TIBA (10, 25, 50 ppm) and Rhizobium inoculation on growth, yield and biochemical components of BRRI Dhan-55 were investigated. Results showed that application of 10 ppm TIBA produced tallest plant, higher number of tillers and leaves per plant although statistically identical to control. The Rhizobium and TIBA treatments had mostly retarding effects on dry weight of leaves, shoots and roots where the lowest values was obtained from Rhizobium application. Leaf area ratio was positively affected by TIBA and Rhizobium treatments except due to 10 ppm where, significantly maximum value was noted from Rhizobium treatment. Specific leaf weight, relative growth rate and net assimilation rate were negatively responded following all treatments and the least value was also recorded from Rhizobium treatment in each cases. Yield attributes and yield of BRRI Dhan-55 were both positively and negatively influenced by Rhizobium and TIBA treatments. The highest harvest index was found in R...

Research paper thumbnail of Effects of Naphthalene acetic acid and sowing time on fertilizer use efficiency and yield of wheat (Triticum aestivum L.)

Research paper thumbnail of Effects Of Naphthalene Acetic Acid On Two Varieties Of Rice

Rice (Oryza sativa L.) is the most important cereal crop in Bangladesh and it is one of the most ... more Rice (Oryza sativa L.) is the most important cereal crop in Bangladesh and it is one of the most important staple foods in the world. The demand for rice is augmenting day by day; where the area under rice cultivation is not increasing rather it is reducing. Plant growth regulators at different concentrations can have quite different effects in different plants and sometimes the same plant growth regulator at identical concentrations can have different effects on various organs of the same plant. Naphthalene acetic acid (NAA), a synthetic growth regulator is known to affect the growth, development and other physiological and biochemical processes of a number of plants. Reports regarding the effect of NAA on rice are very limited. In this book the effects of foliar application of NAA on some physiological, biochemical and yield parameters and also on nutrient content of two varieties of rice has been reported.

Research paper thumbnail of Effects of NAA and nitrogen fertilizer on NPK uptake and nitrogen use efficiency of BARI gom-25 (Triticum aestivum L.)

Bangladesh Journal of Botany

Effects of NAA (both as seed soaking and foliar spray) in combination with nitrogen fertilizer (0... more Effects of NAA (both as seed soaking and foliar spray) in combination with nitrogen fertilizer (0, 25, 50, 75 and 100% of recommended dose) on NPK uptake and nitrogen use efficiency (NUE) of BARI Gom-25 at flowering, grain filling, harvest and two sowing time (November 15 and 22) were evaluated. At flowering stage, significantly higher NPK uptake by shoot and root was obtained from seed soaking in 10 ppm NAA in combination with 75% N fertilizer (SOF3) in both the sowing time with a few exceptions. But at grain filling stage, significantly higher NPK uptake by both shoot and root and N uptake by root was recorded from seed soaking in 10 ppm NAA in combination with 100% N fertilizer (SOF4) followed by SOF3 treatment. In comparison to full dose of N fertilizer, significantly higher NPK uptake by shoot, root and grain was also recorded from SOF3 treatment in most of the cases. Findings indicated that NAA treatment at varying N-level had better stimulation on N and P uptake when sown on ...

Research paper thumbnail of Responses of naphthalene acetic acid and Pseudomonas inoculum on growth, yield and some biochemical parameters of sesame (Sesamum indicum L. var. BARI TIL-4)

Bangladesh Journal of Botany

An experiment was conducted to evaluate the responses of various concentrations of NAA (25, 50, 7... more An experiment was conducted to evaluate the responses of various concentrations of NAA (25, 50, 75 ppm) and Pseudomonas inoculum on growth, yield and some biochemical parameters of sesame (Sesamum indicum L. var. BARI Til-4). Results revealed that application of NAA treatments and Pseudomonas inoculum reduced plant height non-significantly. Significant result was recorded on number of branches per plants from 50 ppm NAA treated plants. Plants treated with 75 ppm NAA produced maximum number of leaves, fresh and dry weight of leaves and roots, leaf area per plant and specific leaf weight whereas significant variation was found on leaf area. Seeds treated with Pseudomonas inoculum exhibited maximum shoot and root ratio which showed non-significant variation with the results of NAA treated plants. Yield contributing parameters viz., number of pods per plant, fresh and dry weight of pods per plant, 1000-seed weight were recorded maximum from 75 ppm NAA which were statistically similar to...

Research paper thumbnail of Yield and Biochemical Attributes of Brri Dhan-44 (Oryza Sativa L.) as Affected by Tiba Application

Journal of the Asiatic Society of Bangladesh, Science, Dec 30, 2018

A pot experiment was carried out to evaluate the effect of different concentrations (0, 10, 25, 5... more A pot experiment was carried out to evaluate the effect of different concentrations (0, 10, 25, 50 and 100 ppm) of TIBA on yield and biochemical attributes of BRRI dhan-44. Results revealed that number of effective tillers and dry weight of panicle per plant, length of panicle, number of grains per panicle, 1000-grain weight, yield per plant and harvest index increased due to all concentrations of TIBA treatments where, treatments mean varied significantly in majority of cases. The stimulatory effect of TIBA treatments on number of effective tillers and dry weight of panicles per plant, length of panicle, number of grains per panicle and 1000-grain weight resulted significant increase in grain yield per plant. The maximum yield per plant (17.83 g) was obtained from 10 ppm TIBA treatment which was 59.76 % higher over the control. Increases in yield per plant due to 25, 50 and 100 ppm TIBA were 50.53, 47.58 and 28.49%, respectively. Findings of this investigation showed that foliar application of TIBA had beneficial effect on pigment content of leaves at tillering and grain filling stages with a few exceptions. Protein content of leaves was also positively influenced by most of the treatment at tillering stage. Out of five treatments, 10 ppm TIBA produced better results.

Research paper thumbnail of Growth and yield responses of BARI Gom-25 in relation to sowing time

Dhaka University Journal of Biological Sciences, Jan 15, 2015

The average yield of wheat in Bangladesh is very low compared to other leading wheat growing coun... more The average yield of wheat in Bangladesh is very low compared to other leading wheat growing countries of the world and may be attributed to a number of reasons including sowing time. The time of sowing has marked effects on growth and yield of most of the crops in different parts of the world. Optimum time of sowing for wheat is very important due to its requirements for temperature and light for emergence, growth and flowering (1). Too early sowing produces weak plants with poor root systems. Delay in sowing suppressed the yield, caused by reduction in the yield contributing traits like number of tillers, number of grains per spike and grain yield (2). A lot of literatures are available on the research work on different wheat varieties in relation to sowing time (3-10). The present study was undertaken to evaluate the performance of wheat under different time of sowing to find out the optimum sowing time for the variety BARI Gom-25. A field experiment was conducted in the research field of the Department of Botany, University of Dhaka during November, 2011 to March, 2012 to investigate the effect of different sowing times on growth and yield performance of BARI Gom-25. The experiment was laid out in RCBD with split plot arrangements, replicated four times. The experimental field was prepared conventionally. Seeds were collected from BARI, Joydebpur, Gazipur. BARI Gom-25 is tolerant to moderate level of salinity released in 2010. Seeds were sterilized with 0.5% calcium hypochlorite and sown in lines 20 cm apart. Fertilizers were applied at doses recommended by BARI (260, 170, 110 and 125 kg per hectare of urea, triple super phosphate, muriate of potash and gypsum, respectively). Two-thirds of urea and a full amount of the other fertilizers were applied as a basal amount during final land preparation. Cow dung was also mixed uniformly at the rate of 9880 kg per hectare. The remaining urea was applied immediately after the first irrigation (at the age of 23 days). Weeding was done at the age of 18 days followed by thinning to keep plant to plant distance of 10 cm. Second and third irrigations were applied at the age of 40 and 70 days. The trial consisted of three dates of sowing: S1 = 14 th November, S2 = 24 th November and S3 = 4 th December, 2011. Data on the number of tillers and leaves

Research paper thumbnail of Growth, Yield and Biochemical Responses of Bari CHHOLA-9 (Cicer Arietinum L.) to Ga 3 and Rhizobium Application

Bangladesh Journal of Botany, 2018

A field experiment was conducted to investigate the responses of various concentrations of GA 3 (... more A field experiment was conducted to investigate the responses of various concentrations of GA 3 (10, 20, 50 ppm) and Rhizobium inoculation on growth, yield and biochemical parameters of BARI Chhola-9. Foliar application of 50 ppm GA 3 resulted maximum plant height, number of primary branches per plant, shoot and root length, fresh and dry weight of shoot and root and biomass duration per plant with significant variations in case of fresh and dry weight of shoot and biomass duration. The stimulatory effect of 50 ppm GA 3 on number of pods per plant, fresh and dry weight of pods per plant, number of seeds per pod, number of seeds and straw yield per plant and weight of 1000-seed eventually produced 4.76% higher yield over the control. Yield parameters of BARI Chhola-9 showed almost negative response to Rhizobium and 10 ppm treatments with a few exceptions. Pigment content of leaves also increased due to 50 ppm GA 3 treatment at both vegetative and flowering stages where, significantly...

Research paper thumbnail of Effects of Naphthalene Acetic Acid on Two Varieties of Rice

Research paper thumbnail of Comparative Growth Analysis of two Varieties of Rice Following Naphthalene Acetic Acid Application

Journal of Bangladesh Academy of Sciences, 2011

A pot experiment showed that 100 and 200 ppm naphthalene acetic acid (NAA) plant height, number o... more A pot experiment showed that 100 and 200 ppm naphthalene acetic acid (NAA) plant height, number of leaves per plant and number of tillers per plant were found to increase due to 100 ppm NAA only in BRRI dhan-29 (V1) and varied significantly at 60 DAS. Total dry matter (TDM) was found to increase up to harvest due to both the treatments in V1, whereas, in BRRI dhan-50 (V2) also increased at 15 and 30 DAS and the variation was non-significant. There was an increasing tendency in leaf area per plant due to T1 treatment in both the varieties except at 45 DAS in V2. Significant variations were observed at 15 and 30 DAS only in V1. Relative growth rate (RGR) was maximum at early stage of growth and then declined in both the varieties. RGR was significant during 0 to15 and 45 to 60 DAS in case of V1. Net assimilation rate (NAR) was non-significantly affected and found to increase during 15 to 30 DAS following both the treatments in V1, but in V2 due to T2 treatment only. Out of the two con...

Research paper thumbnail of Growth and Yield Performance of Bari Mung-5 Under Different Time of Sowing

Journal of Bangladesh Academy of Sciences, 2012

Research paper thumbnail of Changes In Biochemical Components Of Rice Following Naa Application

Journal of the Asiatic Society of Bangladesh, Science, Dec 30, 2014

An investigation on the effect of Naphthalene acetic acid (NAA) on the changes of biochemical com... more An investigation on the effect of Naphthalene acetic acid (NAA) on the changes of biochemical components of two varieties of rice (Oryza sativa L.), BRR1 dhan 29 and BRRI dhan 50 was carried out. Two concentrations of NAA, 100 and 200 ppm were used as foliar spray. In BRRI dhan 29, significant increases in chlorophyll a and chlorophyll b contents of leaf were observed due to both the treatments at the flowering stage, whereas, carotenoids at the grain filling stage only. But in BRRI dhan 50, the total leaf pigments decreased at the flowering and grain filling stage, but was significant in case of chlorophyll a at the flowering stage. Significant increases in protein content of leaf were recorded at the tillering and flowering stage of BRRI dhan 29 following 100 ppm NAA treatment. In BRRI dhan 50, the only significant increase was recorded at grain filling stage due to 200 ppm NAA treatment. In both the varieties carbohydrates, protein, fat, and energy content of grain increased due to both the treatments and the maximum increase in all the cases was recorded due to 100 ppm NAA treatment. Ash and moisture content of grain reduced following both the treatments in both the varieties, the maximum reduction was due to 100 ppm NAA treatment.

Research paper thumbnail of Growth and yield of bari mung-5 (Vigna radiata L. Wilczek) following TIBA application

Dhaka University Journal of Biological Sciences, 2014

An experiment was conducted to evaluate the effect of TIBA (0, 20, 50, 100, 150 mg/l) on the grow... more An experiment was conducted to evaluate the effect of TIBA (0, 20, 50, 100, 150 mg/l) on the growth and yield attributes of BARI Mung?5 laid out in RBD. Plant height decreased due to TIBA treatments. Number of branches and leaves per plant were found to increase in all the treatments at all the ages of growth except at 7 DAS and the maximum number of branches and leaves were recorded due to 20 mg/l TIBA treatment. Dry matter per plant increased due to 20 mg/l TIBA in most cases and was significantly highest at harvest. All the yield contributing characters showed positive response to 20 mg/l TIBA treatment. Number of pods and seeds per plant and fresh and dry weights of pods significantly differed from all other treatments. Increase in yield per plant and yield per hectare following 20 mg/l TIBA was 22.60 and 22.80% over the control, respectively. The highest harvest index was also recorded from 20 mg/l TIBA followed by control. DOI: http://dx.doi.org/10.3329/dujbs.v23i2.20098 Dhaka...

Research paper thumbnail of Growth and yield responses of BARI Gom-26 (Triticum aestivum L.) to naphthalene acetic acid

Dhaka University Journal of Biological Sciences, Jul 1, 2013

The effect of various concentrations of NAA (0, 25, 50, 75, 100 mg/l) on the growth and yield com... more The effect of various concentrations of NAA (0, 25, 50, 75, 100 mg/l) on the growth and yield components of BARI Gom-26 was investigated. Data recorded on plant height, number of tillers per plant and number of leaves per plant showed negative performance in most cases with a few exceptions (7 and 14 DAS due to 25 and 50 mg/l NAA). The 50 mg/l NAA produced the highest total dry matter (TDM) at all the stages of growth except at 21 and 28 DAS and significant variations were observed at 7 DAS. Length of spike, grains per spike and 1000seed weight increased following all the rates of NAA applications. Number of effective tillers and maximum yield (g/plant and t/ha) increased significantly only due to application of 50 mg/l NAA and the increases were 9.09 and 12.24% higher over the control, respectively. Non-effective tillers per plant decreased with all concentrations of NAA application and the maximum decrease (60.20%) was recorded with 50 mg/l NAA. Non-significant highest harvest index was also recorded with 50 mg/l followed by 100 mg/l NAA application.

Research paper thumbnail of Effects Of Naphthalene Acetic Acid On Nutrient Uptake By Two Varieties Of Rice ( Oryza Sativa L.)

Dhaka University Journal of Biological Sciences, 1970

An experiment was conducted to find out the responses of two varieties of rice to NAA on nitrogen... more An experiment was conducted to find out the responses of two varieties of rice to NAA on nitrogen (N), phosphorus (P), and potassium (K) uptake by straw and root at three different stages and NPK concentrations in grains. Nitrogen, P and K uptake by both straw and root were found to increase and decrease depending on the concentration of NAA and also on the stages of development. Uptake of NPK were recorded higher at the tillering stage and at harvest with a few exceptions, whereas, lower uptake at the flowering stage in most cases. However, NPK concentrations in grains were favourly influenced by 200 ppm NAA in both the varieties except K concentration of BRRI dhan-29 (V1). Variations among the treatments were non-significant in the majority of cases. Out of the two varieties BRRI dhan-29 (V1) showed comparatively more positive response to NAA that BRRI dhan-50 (V2).

Research paper thumbnail of Effects of sowing time on growth and yield performance of six high yielding varieties of wheat (Triticum aestivum L.)

Bangladesh Journal of Botany, Mar 31, 2019

Research paper thumbnail of Growth, yield and biochemical responses of BARI chhola-9 (Cicer arietinum L.) to GA3 and rhizobium application

Bangladesh Journal of Botany, 2018

A field experiment was conducted to investigate the responses of various concentrations of GA3 (1... more A field experiment was conducted to investigate the responses of various concentrations of GA3 (10, 20, 50 ppm) and Rhizobium inoculation on growth, yield and biochemical parameters of BARI Chhola-9. Foliar application of 50 ppm GA3 resulted maximum plant height, number of primary branches per plant, shoot and root length, fresh and dry weight of shoot and root and biomass duration per plant with significant variations in case of fresh and dry weight of shoot and biomass duration. The stimulatory effect of 50 ppm GA3 on number of pods per plant, fresh and dry weight of pods per plant, number of seeds per pod, number of seeds and straw yield per plant and weight of 1000-seed eventually produced 4.76% higher yield over the control. Yield parameters of BARI Chhola-9 showed almost negative response to Rhizobium and 10 ppm treatments with a few exceptions. Pigment content of leaves also increased due to 50 ppm GA3 treatment at both vegetative and flowering stages where, significantly hig...

Research paper thumbnail of Growth Analysis Of Brri Dhan-44 (Oryza Sativa L.) Following 2,3,5 Tri-Iodo Benzoic Acid Application

Journal of the Asiatic Society of Bangladesh, Science, Jun 16, 2015

Research paper thumbnail of Effects of naphthalene acetic acid on yield attributes and yield of two varieties of rice (<i>Oryza sativa</i> L.)

Bangladesh Journal of Botany, 2011

Effects of 100 and 200 ppm of naphthalene acetic acid (NAA) on yield attributes and yield of two ... more Effects of 100 and 200 ppm of naphthalene acetic acid (NAA) on yield attributes and yield of two varieties of rice during 2009 - 2010 Boro season were evaluated. The highest plant height was observed due to 200 ppm in both BRRI dhan-29 (V1) and BRRI dhan-50 (V2). Number of tillers per plant were found to increase due to 100 ppm NAA only in BRRI dhan-29 and varied non-significantly. Yield attributes, viz. number of branches per panicle, number of grains per panicle and filled grains per panicle increased in BRRI dhan-29, following both 100 and 200 ppm NAA, whereas, most of the yield parameters decreased in BRRI dhan-50. Due to 100 and 200 ppm NAA, grain yield per plant increased by 27.67 and 6.85%, respectively in BRRI dhan-29 though not statistically significant. However, in BRRI dhan-50 grain yield per plant decreased by 26.54% due to 100 ppm and 27.67% due to 200 ppm. Out of the two concentrations 100 ppm NAA produced better stimulation. Key words: Rice; Naphthalene acetic acid; F...

Research paper thumbnail of Changes in Photosynthetic Pigment of Wheat(Triticum Aestivum L. Var. Bari Gom-25) As Affected By Naa and N-Fertilizer

Dhaka University Journal of Biological Sciences, 2022

A field experiment was conducted to investigate the changes inphotosynthetic pigment of BARI Gom-... more A field experiment was conducted to investigate the changes inphotosynthetic pigment of BARI Gom-25 as affected by foliar spray of NAA andN-fertilizers. The experiment consisted of seven different concentrations of NAA(NAA0 = 0, NAA1 = 10, NAA2 = 20, NAA3 = 30, NAA4 = 40, NAA5 = 50 and NAA6 =60 ppm) and five N-levels (F0=0, F1=25, F2=50, F3=75 and F4=100% of therecommended dose) and their 35 combination treatments. Results revealed thatfoliar application of 40 ppm NAA (NAA4) produced higher chlorophyll a contentat all stages (tillering, flowering and grain filling) and were significantly higherthan control at tilling and flowering stages. Chlorophyll b and carotenoidcontents did not show any general trend to NAA at any stage except at tillingstage. Application of 50% of the recommended N-fertilizer (F2) producedsignificantly maximum photosynthetic pigment contents at tilling stage whereas,at flowering stage the same results were obtained from 100% of therecommended N-fertilizers (F4...

Research paper thumbnail of Effects of Tiba and Rhizobium Application on Growth, Yield and Biochemical Components of Brri Dhan-55 (Oryza Sativa L.)

Bangladesh Journal of Botany

Effects of TIBA (10, 25, 50 ppm) and Rhizobium inoculation on growth, yield and biochemical compo... more Effects of TIBA (10, 25, 50 ppm) and Rhizobium inoculation on growth, yield and biochemical components of BRRI Dhan-55 were investigated. Results showed that application of 10 ppm TIBA produced tallest plant, higher number of tillers and leaves per plant although statistically identical to control. The Rhizobium and TIBA treatments had mostly retarding effects on dry weight of leaves, shoots and roots where the lowest values was obtained from Rhizobium application. Leaf area ratio was positively affected by TIBA and Rhizobium treatments except due to 10 ppm where, significantly maximum value was noted from Rhizobium treatment. Specific leaf weight, relative growth rate and net assimilation rate were negatively responded following all treatments and the least value was also recorded from Rhizobium treatment in each cases. Yield attributes and yield of BRRI Dhan-55 were both positively and negatively influenced by Rhizobium and TIBA treatments. The highest harvest index was found in R...

Research paper thumbnail of Effects of Naphthalene acetic acid and sowing time on fertilizer use efficiency and yield of wheat (Triticum aestivum L.)

Research paper thumbnail of Effects Of Naphthalene Acetic Acid On Two Varieties Of Rice

Rice (Oryza sativa L.) is the most important cereal crop in Bangladesh and it is one of the most ... more Rice (Oryza sativa L.) is the most important cereal crop in Bangladesh and it is one of the most important staple foods in the world. The demand for rice is augmenting day by day; where the area under rice cultivation is not increasing rather it is reducing. Plant growth regulators at different concentrations can have quite different effects in different plants and sometimes the same plant growth regulator at identical concentrations can have different effects on various organs of the same plant. Naphthalene acetic acid (NAA), a synthetic growth regulator is known to affect the growth, development and other physiological and biochemical processes of a number of plants. Reports regarding the effect of NAA on rice are very limited. In this book the effects of foliar application of NAA on some physiological, biochemical and yield parameters and also on nutrient content of two varieties of rice has been reported.

Research paper thumbnail of Effects of NAA and nitrogen fertilizer on NPK uptake and nitrogen use efficiency of BARI gom-25 (Triticum aestivum L.)

Bangladesh Journal of Botany

Effects of NAA (both as seed soaking and foliar spray) in combination with nitrogen fertilizer (0... more Effects of NAA (both as seed soaking and foliar spray) in combination with nitrogen fertilizer (0, 25, 50, 75 and 100% of recommended dose) on NPK uptake and nitrogen use efficiency (NUE) of BARI Gom-25 at flowering, grain filling, harvest and two sowing time (November 15 and 22) were evaluated. At flowering stage, significantly higher NPK uptake by shoot and root was obtained from seed soaking in 10 ppm NAA in combination with 75% N fertilizer (SOF3) in both the sowing time with a few exceptions. But at grain filling stage, significantly higher NPK uptake by both shoot and root and N uptake by root was recorded from seed soaking in 10 ppm NAA in combination with 100% N fertilizer (SOF4) followed by SOF3 treatment. In comparison to full dose of N fertilizer, significantly higher NPK uptake by shoot, root and grain was also recorded from SOF3 treatment in most of the cases. Findings indicated that NAA treatment at varying N-level had better stimulation on N and P uptake when sown on ...

Research paper thumbnail of Responses of naphthalene acetic acid and Pseudomonas inoculum on growth, yield and some biochemical parameters of sesame (Sesamum indicum L. var. BARI TIL-4)

Bangladesh Journal of Botany

An experiment was conducted to evaluate the responses of various concentrations of NAA (25, 50, 7... more An experiment was conducted to evaluate the responses of various concentrations of NAA (25, 50, 75 ppm) and Pseudomonas inoculum on growth, yield and some biochemical parameters of sesame (Sesamum indicum L. var. BARI Til-4). Results revealed that application of NAA treatments and Pseudomonas inoculum reduced plant height non-significantly. Significant result was recorded on number of branches per plants from 50 ppm NAA treated plants. Plants treated with 75 ppm NAA produced maximum number of leaves, fresh and dry weight of leaves and roots, leaf area per plant and specific leaf weight whereas significant variation was found on leaf area. Seeds treated with Pseudomonas inoculum exhibited maximum shoot and root ratio which showed non-significant variation with the results of NAA treated plants. Yield contributing parameters viz., number of pods per plant, fresh and dry weight of pods per plant, 1000-seed weight were recorded maximum from 75 ppm NAA which were statistically similar to...

Research paper thumbnail of Yield and Biochemical Attributes of Brri Dhan-44 (Oryza Sativa L.) as Affected by Tiba Application

Journal of the Asiatic Society of Bangladesh, Science, Dec 30, 2018

A pot experiment was carried out to evaluate the effect of different concentrations (0, 10, 25, 5... more A pot experiment was carried out to evaluate the effect of different concentrations (0, 10, 25, 50 and 100 ppm) of TIBA on yield and biochemical attributes of BRRI dhan-44. Results revealed that number of effective tillers and dry weight of panicle per plant, length of panicle, number of grains per panicle, 1000-grain weight, yield per plant and harvest index increased due to all concentrations of TIBA treatments where, treatments mean varied significantly in majority of cases. The stimulatory effect of TIBA treatments on number of effective tillers and dry weight of panicles per plant, length of panicle, number of grains per panicle and 1000-grain weight resulted significant increase in grain yield per plant. The maximum yield per plant (17.83 g) was obtained from 10 ppm TIBA treatment which was 59.76 % higher over the control. Increases in yield per plant due to 25, 50 and 100 ppm TIBA were 50.53, 47.58 and 28.49%, respectively. Findings of this investigation showed that foliar application of TIBA had beneficial effect on pigment content of leaves at tillering and grain filling stages with a few exceptions. Protein content of leaves was also positively influenced by most of the treatment at tillering stage. Out of five treatments, 10 ppm TIBA produced better results.

Research paper thumbnail of Growth and yield responses of BARI Gom-25 in relation to sowing time

Dhaka University Journal of Biological Sciences, Jan 15, 2015

The average yield of wheat in Bangladesh is very low compared to other leading wheat growing coun... more The average yield of wheat in Bangladesh is very low compared to other leading wheat growing countries of the world and may be attributed to a number of reasons including sowing time. The time of sowing has marked effects on growth and yield of most of the crops in different parts of the world. Optimum time of sowing for wheat is very important due to its requirements for temperature and light for emergence, growth and flowering (1). Too early sowing produces weak plants with poor root systems. Delay in sowing suppressed the yield, caused by reduction in the yield contributing traits like number of tillers, number of grains per spike and grain yield (2). A lot of literatures are available on the research work on different wheat varieties in relation to sowing time (3-10). The present study was undertaken to evaluate the performance of wheat under different time of sowing to find out the optimum sowing time for the variety BARI Gom-25. A field experiment was conducted in the research field of the Department of Botany, University of Dhaka during November, 2011 to March, 2012 to investigate the effect of different sowing times on growth and yield performance of BARI Gom-25. The experiment was laid out in RCBD with split plot arrangements, replicated four times. The experimental field was prepared conventionally. Seeds were collected from BARI, Joydebpur, Gazipur. BARI Gom-25 is tolerant to moderate level of salinity released in 2010. Seeds were sterilized with 0.5% calcium hypochlorite and sown in lines 20 cm apart. Fertilizers were applied at doses recommended by BARI (260, 170, 110 and 125 kg per hectare of urea, triple super phosphate, muriate of potash and gypsum, respectively). Two-thirds of urea and a full amount of the other fertilizers were applied as a basal amount during final land preparation. Cow dung was also mixed uniformly at the rate of 9880 kg per hectare. The remaining urea was applied immediately after the first irrigation (at the age of 23 days). Weeding was done at the age of 18 days followed by thinning to keep plant to plant distance of 10 cm. Second and third irrigations were applied at the age of 40 and 70 days. The trial consisted of three dates of sowing: S1 = 14 th November, S2 = 24 th November and S3 = 4 th December, 2011. Data on the number of tillers and leaves

Research paper thumbnail of Growth, Yield and Biochemical Responses of Bari CHHOLA-9 (Cicer Arietinum L.) to Ga 3 and Rhizobium Application

Bangladesh Journal of Botany, 2018

A field experiment was conducted to investigate the responses of various concentrations of GA 3 (... more A field experiment was conducted to investigate the responses of various concentrations of GA 3 (10, 20, 50 ppm) and Rhizobium inoculation on growth, yield and biochemical parameters of BARI Chhola-9. Foliar application of 50 ppm GA 3 resulted maximum plant height, number of primary branches per plant, shoot and root length, fresh and dry weight of shoot and root and biomass duration per plant with significant variations in case of fresh and dry weight of shoot and biomass duration. The stimulatory effect of 50 ppm GA 3 on number of pods per plant, fresh and dry weight of pods per plant, number of seeds per pod, number of seeds and straw yield per plant and weight of 1000-seed eventually produced 4.76% higher yield over the control. Yield parameters of BARI Chhola-9 showed almost negative response to Rhizobium and 10 ppm treatments with a few exceptions. Pigment content of leaves also increased due to 50 ppm GA 3 treatment at both vegetative and flowering stages where, significantly...

Research paper thumbnail of Effects of Naphthalene Acetic Acid on Two Varieties of Rice

Research paper thumbnail of Comparative Growth Analysis of two Varieties of Rice Following Naphthalene Acetic Acid Application

Journal of Bangladesh Academy of Sciences, 2011

A pot experiment showed that 100 and 200 ppm naphthalene acetic acid (NAA) plant height, number o... more A pot experiment showed that 100 and 200 ppm naphthalene acetic acid (NAA) plant height, number of leaves per plant and number of tillers per plant were found to increase due to 100 ppm NAA only in BRRI dhan-29 (V1) and varied significantly at 60 DAS. Total dry matter (TDM) was found to increase up to harvest due to both the treatments in V1, whereas, in BRRI dhan-50 (V2) also increased at 15 and 30 DAS and the variation was non-significant. There was an increasing tendency in leaf area per plant due to T1 treatment in both the varieties except at 45 DAS in V2. Significant variations were observed at 15 and 30 DAS only in V1. Relative growth rate (RGR) was maximum at early stage of growth and then declined in both the varieties. RGR was significant during 0 to15 and 45 to 60 DAS in case of V1. Net assimilation rate (NAR) was non-significantly affected and found to increase during 15 to 30 DAS following both the treatments in V1, but in V2 due to T2 treatment only. Out of the two con...

Research paper thumbnail of Growth and Yield Performance of Bari Mung-5 Under Different Time of Sowing

Journal of Bangladesh Academy of Sciences, 2012

Research paper thumbnail of Changes In Biochemical Components Of Rice Following Naa Application

Journal of the Asiatic Society of Bangladesh, Science, Dec 30, 2014

An investigation on the effect of Naphthalene acetic acid (NAA) on the changes of biochemical com... more An investigation on the effect of Naphthalene acetic acid (NAA) on the changes of biochemical components of two varieties of rice (Oryza sativa L.), BRR1 dhan 29 and BRRI dhan 50 was carried out. Two concentrations of NAA, 100 and 200 ppm were used as foliar spray. In BRRI dhan 29, significant increases in chlorophyll a and chlorophyll b contents of leaf were observed due to both the treatments at the flowering stage, whereas, carotenoids at the grain filling stage only. But in BRRI dhan 50, the total leaf pigments decreased at the flowering and grain filling stage, but was significant in case of chlorophyll a at the flowering stage. Significant increases in protein content of leaf were recorded at the tillering and flowering stage of BRRI dhan 29 following 100 ppm NAA treatment. In BRRI dhan 50, the only significant increase was recorded at grain filling stage due to 200 ppm NAA treatment. In both the varieties carbohydrates, protein, fat, and energy content of grain increased due to both the treatments and the maximum increase in all the cases was recorded due to 100 ppm NAA treatment. Ash and moisture content of grain reduced following both the treatments in both the varieties, the maximum reduction was due to 100 ppm NAA treatment.

Research paper thumbnail of Growth and yield of bari mung-5 (Vigna radiata L. Wilczek) following TIBA application

Dhaka University Journal of Biological Sciences, 2014

An experiment was conducted to evaluate the effect of TIBA (0, 20, 50, 100, 150 mg/l) on the grow... more An experiment was conducted to evaluate the effect of TIBA (0, 20, 50, 100, 150 mg/l) on the growth and yield attributes of BARI Mung?5 laid out in RBD. Plant height decreased due to TIBA treatments. Number of branches and leaves per plant were found to increase in all the treatments at all the ages of growth except at 7 DAS and the maximum number of branches and leaves were recorded due to 20 mg/l TIBA treatment. Dry matter per plant increased due to 20 mg/l TIBA in most cases and was significantly highest at harvest. All the yield contributing characters showed positive response to 20 mg/l TIBA treatment. Number of pods and seeds per plant and fresh and dry weights of pods significantly differed from all other treatments. Increase in yield per plant and yield per hectare following 20 mg/l TIBA was 22.60 and 22.80% over the control, respectively. The highest harvest index was also recorded from 20 mg/l TIBA followed by control. DOI: http://dx.doi.org/10.3329/dujbs.v23i2.20098 Dhaka...

Research paper thumbnail of Growth and yield responses of BARI Gom-26 (Triticum aestivum L.) to naphthalene acetic acid

Dhaka University Journal of Biological Sciences, Jul 1, 2013

The effect of various concentrations of NAA (0, 25, 50, 75, 100 mg/l) on the growth and yield com... more The effect of various concentrations of NAA (0, 25, 50, 75, 100 mg/l) on the growth and yield components of BARI Gom-26 was investigated. Data recorded on plant height, number of tillers per plant and number of leaves per plant showed negative performance in most cases with a few exceptions (7 and 14 DAS due to 25 and 50 mg/l NAA). The 50 mg/l NAA produced the highest total dry matter (TDM) at all the stages of growth except at 21 and 28 DAS and significant variations were observed at 7 DAS. Length of spike, grains per spike and 1000seed weight increased following all the rates of NAA applications. Number of effective tillers and maximum yield (g/plant and t/ha) increased significantly only due to application of 50 mg/l NAA and the increases were 9.09 and 12.24% higher over the control, respectively. Non-effective tillers per plant decreased with all concentrations of NAA application and the maximum decrease (60.20%) was recorded with 50 mg/l NAA. Non-significant highest harvest index was also recorded with 50 mg/l followed by 100 mg/l NAA application.

Research paper thumbnail of Effects Of Naphthalene Acetic Acid On Nutrient Uptake By Two Varieties Of Rice ( Oryza Sativa L.)

Dhaka University Journal of Biological Sciences, 1970

An experiment was conducted to find out the responses of two varieties of rice to NAA on nitrogen... more An experiment was conducted to find out the responses of two varieties of rice to NAA on nitrogen (N), phosphorus (P), and potassium (K) uptake by straw and root at three different stages and NPK concentrations in grains. Nitrogen, P and K uptake by both straw and root were found to increase and decrease depending on the concentration of NAA and also on the stages of development. Uptake of NPK were recorded higher at the tillering stage and at harvest with a few exceptions, whereas, lower uptake at the flowering stage in most cases. However, NPK concentrations in grains were favourly influenced by 200 ppm NAA in both the varieties except K concentration of BRRI dhan-29 (V1). Variations among the treatments were non-significant in the majority of cases. Out of the two varieties BRRI dhan-29 (V1) showed comparatively more positive response to NAA that BRRI dhan-50 (V2).