Ghulam Shabbir - Academia.edu (original) (raw)
Papers by Ghulam Shabbir
Eighteen sunflower hybrids of diverse origin were evaluated for nine agronomic characters under f... more Eighteen sunflower hybrids of diverse origin were evaluated for nine agronomic characters under field conditions at NARC, Islamabad. Data were recorded on days to flower initiation & completion and days to maturity were recorded on plot basis while Plant height (cm), Stem girth (mm) and Head diameter (cm) were recorded on 10 randomly selected plants in central two rows. Seed yield per plot in grams (Fresh weight). Seed yield per plot in grams (dry weight), Seed yield per plot on dry weight basis and then converted into kg ha -1 . The objectives were to estimate the genetic parameters, genetic diversity, correlation coefficient and path analysis. The highest seed yield 3409 kg ha -1 was produced by the hybrid “FSS 50” followed by FH-385 and Barracuda. All the characters had positive correlations with seed yield and 100 seed weight except head diameter where it was negatively correlated. Oil contents (-0.058) also had negative genotypic correlation. Therefore, it is suggested to break...
A two year field study was conducted at two different locations in northern rainfed Punjab, Pakis... more A two year field study was conducted at two different locations in northern rainfed Punjab, Pakistan to assess the effect of different rates of sulfur application from various sources on soil sulfur fractions and growth of Brassica napus. The treatments included three sulfur sources i. e., single super phosphate, ammonium sulfate and gypsum each applied at five different rates (0, 10, 20, 30 and 40 kg S ha -1). Sulfur application had a significant positive effect on the growth and yield parameters of Brassica napus. Among the sulfur sources ammonium sulfate resulted in maximum increase in plant growth and yield parameters, followed by single super phosphate. Sulfur content and uptake by crop plants was significantly higher with ammonium sulfate application as compared to other two sulfur sources. Sulfur application also exerted a significant positive effect on different S fractions in the soils. On an average, 18.0% of the applied sulfur got incorporated into CaCl2-extractable sulfu...
Pak. J. Agri. …, 2011
Effective use of the electronic media seems essential to keep farmers abreast of the latest agric... more Effective use of the electronic media seems essential to keep farmers abreast of the latest agricultural information and technologies for meeting the emerging challenges of the new era. The present role of electronic media in dissemination of agricultural information among farmers is questionable, which calls for a comprehensive study on in-depth analysis of the electronic media to enhance their role in agricultural technology transfer. The study was conducted in three districts of the Punjab province with different agro-ecological zones i.e. Faisalabad (mix cropping zone), Sheikhupura (rice zone), and Rahim Yar Khan (cotton zone). Multistage random sampling technique was used. There were total 300 respondents. The data were collected with the help of a pretested and validated interview schedule. The analysis of the data shows that TV appeared relatively more prominent than radio as agri. information source. It was revealed from the study that audio/video cassettes and internet have the least role in dissemination of agricultural information at grass root level. The strong areas of agri. information were livestock sector and major crops both in radio and TV broadcasts. Within the major categories, the weakest side was the marketing aspect. Regarding aspects like interest, effectiveness, usefulness, and practicability "Khait Khait Haryali" followed by "Sandhal Dharti" appeared to be more popular than other radio broadcasts. In case of TV, short messages and advertisements were more popular among farmers than "Kisan Time" and "Haryali".
Five wheat varieties/lines viz. Chakwal-97, Inqlab-91, GA-2002, 6C001 and 6C002 were crossed in 5... more Five wheat varieties/lines viz. Chakwal-97, Inqlab-91, GA-2002, 6C001 and 6C002 were crossed in 5 x 5 diallel cross to estimate combining ability at PMAS Arid Agriculture University, Rawalpindi, Pakistan during 2007-2008 and 2008-2009. GCA effects for days to heading (7.81), flag leaf area (22.07), plant height (82.18), number of tiller metre -2 (2997.21), days to maturity (9.59) and grain yield plant -1 (47.76) were non-significant indicating the preponderance of non additive type of gene action for these traits. SCA effects were highly significant for days to heading (26.81), flag leaf area (365.11), plant height (141.05), number of tillers metre -2 (8639.21), days to maturity (18.85) and grain yield plant -1 (93.70) which indicated that these traits are being controlled by non-additive type of gene action. RCA effects were also highly significant for all the traits studied suggesting selection can be effective in later generations. Chakwal-97 proved to be the best general combine...
Drought significantly reduces yield of many crop plants including wheat in the world. Identificat... more Drought significantly reduces yield of many crop plants including wheat in the world. Identification of wheat genotypes that can thrive on limited water is vital to boost the wheat production of rainfed areas. Forty wheat genotypes were screened for drought tolerance using 0, 7.5, 15 and 22.5% Polyethylene Ethylene Glycol 6000 solutions at PMAS Arid Agriculture University, Rawalpindi, Pakistan during 2009-10. Data were recorded on various seedling parameters like germination percentage, germination rate index, root length, shoot length, coleoptile length and seedling vigor. The seedling traits showed a decreasing trend in response to increased concentrations of PEG 6000. Wheat genotype Lyalpur-73 was found the best for germination percentage (87.5). The genotypes C-591 had maximum germination rate index (2.4). Wheat genotypes Pasban 90 and WC-18 possessed maximum root length (9.9) and seedling vigor (7.4) respectively. The genotype Auqab-2000 showed maximum shoot length (8.3). Wheat...
Horticulture International Journal , 2017
following the model of Freeman et al., 1 on some of the quantitative traits in eight genotypes of... more following the model of Freeman et al., 1 on some of the quantitative traits in eight genotypes of chickpea (Cicer arietinum L.). Materials and Methods Materials The materials for the present study comprised eight genotypes of chickpea viz,
Studies were conducted to evaluate different neem extracts i.e., Neem leaf extract (10%), Neem se... more Studies were conducted to evaluate different neem extracts i.e., Neem leaf extract (10%), Neem seed oil (2.5%), Neem seed cake extract(10%), Neem seed kernel extract (10%) in comparison with imidacloprid (Confidor 70 WG) against different morphs of mustard aphid on Brassaica napus L. Among the all treatments imidacloprid and Neem seed oil resulted in maximum (100%) reduction over precount including nymph, wingless and winged adults of Lipaphis erysimi, followed Neem seed cake extract (86.13, 89.90 & 68.48%) and Neem seed kernel extract (77.41, 55.11&34.26%).Imidacloprid and neem seed oil showed negative impact on the population increase index of parasitoids and predators of L. erysimi. All neem extracts had positive population increase index of mummified aphids. Neem leaf extract resulted in negative population increase index in case of predators. Neem seed kernel extract showed positive index in case of green lacewing and lady bird beetle larvae and Neem seed Cake extract showed po...
Journal of agricultural research
The study was conducted at NARC, Islamabad, Pakistan during the year 2009 to estimate heritabilit... more The study was conducted at NARC, Islamabad, Pakistan during the year 2009 to estimate heritability and genetic advances regarding yield and yield contributing traits using fourteen maize (Zea mays) genotypes (BS-01, Agati 2002, Margalla, EV-1097, EV-1098, Sadaf, EV-6098, EV-5098, EV-7004Q, Soan-3, Islamabad Gold, Islamabad White, Raka Poshi and Sahiwal-2002). The experiment was laid out in RCBD with three replications. Data were recorded for plant height, ear height, ear length, leaf area, number of leaves per plant, 100-grain weight and grain yield per plant. Analysis of variance revealed highly significant mean sum of squares for all the characters studied. The highest heritability estimates were observed for 100-grain weight (97.39%). All the other traits were observed to have heritability estimates ranging from 97.39 (100 grain weight) to 47.06% (number of leaves/plant). Range of genetic advance for different traits ranged from 1.26 (ear length) to 2674.45 (grain yield). The hig...
Pak. J. Bot, 2011
The aim of present study was to provide botanical inventory of the study area. For this purpose, ... more The aim of present study was to provide botanical inventory of the study area. For this purpose, floristic survey was carried out during April, 2008 to March, 2009. One hundred thirty plant species belonging to 105 genera and 37 families were identified from the study ...
Science of The Total Environment, 2020
Physio-biochemical traits as an indicator of wheat drought stress tolerance • Multivariate statis... more Physio-biochemical traits as an indicator of wheat drought stress tolerance • Multivariate statistical analysis for the selection of drought resistance genotypes • Genotypic-Phenotypic correlation indicated more genetic association between traits. • Heatmap positive side represents drought resistance while negative side showed susceptible performance of genotypes.
Pakistan Journal of Botany
This study was conducted to evaluate divergent wheat germplasm for their performance under drough... more This study was conducted to evaluate divergent wheat germplasm for their performance under drought and control conditions. The germplasm consists of wheat land races of Pakistan, advanced D-genome synthetic derivatives and high yielding varieties of Pakistan. This wide array of germplasm was selected to identify sources, which can be opted later by the wheat breeders while breeding for drought tolerance. The evaluation parameters involved some important physiochemical testing and morphological characteristics in the field under drought and control conditions. Based on these parameters, 13 wheat genotypes were selected on the basis of their best performance regarding morphological and physiological parameters. These genotypes exhibited higher yield under drought stress conditions and increased percentage of proline, sugar, SOD and protein content under laboratory conditions as compared to the susceptible genotypes. Correlation studies revealed that grains per spike (GPS) and thousand...
Genetic diversity of 113 desi chickpea genotypes was studied through descriptive, principal compo... more Genetic diversity of 113 desi chickpea genotypes was studied through descriptive, principal component and cluster analysis. High variances were observed for days to flowering, maturity, plant height, pods plant -1 , biological yield and harvest index. These traits also showed positive significant correlation with yield which was confirmed through principal component analysis. Principal component analysis (PCA) revealed that the first 4 principal components accounted for 71.99% of the total variation. Seed yield, biological yield, pods plant -1 , secondary branches and plant height in chickpea showed positive relation with the first component (PC1). Days to flowering, days to maturity, 100-seed weight showed positive correlation with the second component (PC2). The genotypes were grouped into four clusters using cluster analysis. Genotypes with early flowering and maturity were gathered in cluster I while cluster II showed dominant contribution for grain yield plant -1 , harvest inde...
A study was conducted in the Department of Plant Breeding and Genetics, PMAS Arid Agriculture Uni... more A study was conducted in the Department of Plant Breeding and Genetics, PMAS Arid Agriculture University, Rawalpindi, Pakistan during the year 2008-10. The objective was to determine the genetic architecture of grain yield and yield components in wheat. Four female wheat genotypes (99FJ03, Chakwal-50, T2 and Borlaug M-95), six male genotypes (Croc1/Ae.sq.205//BCN/3/2*Kauz, T23, Pak-81, Uqab-2000, GA-2002 and Margalla-99) and 24 F1s (obtained through line x tester mating design) were included in this study. These genotypes were evaluated following RCBD with three replications for different traits like days to heading, flag leaf area, plant height, number of tillers/m 2 , spike length, number of grains per spike, 1000-grain weight and grain yield per plant. The analysis of variance depicted that differences among the genotypes were significant for all traits suggesting that the parent could be used for improvement of traits. Among the selected lines, 99FJ03 proved as the best general ...
J. Agric. Res, 2011
09 to investigate the inheritance of gene action in wheat genotypes viz. Chakwal-97 (CH-97), Inqa... more 09 to investigate the inheritance of gene action in wheat genotypes viz. Chakwal-97 (CH-97), Inqalab-91, GA-2002, 6C001 and 6C002 in a 5 x 5 diallel cross. Data were recorded for yield traits like spike length, number of spikelets per spike, number of grains per spike, 1000-grain weight and grain yield per plant. The crosses were sown in randomized complete block design in three replications. The results revealed highly significant specific combining ability effects for 1000-grain weight (210.01) and grain yield per plant (93.70), significant for spike length (10.67) and number of spikelets per spike (10.31). It reflected non-additive type of gene action for these characters suggesting that selection would be effective in later generations. Higher general combining ability estimates for number of grains per spike (403.29) indicated that this trait is being controlled by additive type of gene action and one can practice selection in early generations for number of grains per spike. The results conclude that CH-97 might be used in breeding programmes to develop high yielding wheat cultivars. Cross combinations like CH-97 x 6C002 and CH-97 x Inqalab-91 may be used as advanced lines for comprehensive testing at different locations and may ultimately be released as varieties after thorough evaluation.
Sarhad J. Agric, 2009
This study was carried out at Barani Agricultural Research Institute, Chakwal to investigate the ... more This study was carried out at Barani Agricultural Research Institute, Chakwal to investigate the inheritance of gene action in wheat genotypes; viz.
AFRICAN JOURNAL OF BIOTECHNOLOGY, 2012
Cyanide poisoning is the major problem in sorghum fodder. This poisoning results in livestock mor... more Cyanide poisoning is the major problem in sorghum fodder. This poisoning results in livestock mortality and causes economic loss to the people. Some work have been reported on quantity but little work has been focused on quality especially the cyanide content in sorghum fodder in Pakistan. Inheritance mechanism for some fodder yield and quality traits were studied among 25 sorghum genotypes under irrigated and rainfed conditions. Highly significant genotypic as well as genotype x location differences were observed for all the characters studied. Highest genotypic and phenotypic variances were observed for plant height, fresh weight plant-1 , green fodder yield and total cyanide content. Green fodder yield, dry matter yield, fresh weight plant-1 , dry weight plant-1 and total cyanide content depicted high heritability estimates along with high expected genetic advance. There were strong positive genotypic and phenotypic correlations between green fodder yield and number of tillers plant-1 stem thickness, fresh weight plant-1 , dry weight plant-1 and dry matter yield. Strong negative genotypic and phenotypic correlations were observed between total cyanide content and number of tillers plant-1 , stem thickness, fresh weight plant-1 , dry weight plant-1 and green fodder yield. The present study indicates that the indirect selection and simultaneous improvement in sorghum fodder yield as well as quality is feasible because of significant relationship among traits.
Eighteen sunflower hybrids of diverse origin were evaluated for nine agronomic characters under f... more Eighteen sunflower hybrids of diverse origin were evaluated for nine agronomic characters under field conditions at NARC, Islamabad. Data were recorded on days to flower initiation & completion and days to maturity were recorded on plot basis while Plant height (cm), Stem girth (mm) and Head diameter (cm) were recorded on 10 randomly selected plants in central two rows. Seed yield per plot in grams (Fresh weight). Seed yield per plot in grams (dry weight), Seed yield per plot on dry weight basis and then converted into kg ha -1 . The objectives were to estimate the genetic parameters, genetic diversity, correlation coefficient and path analysis. The highest seed yield 3409 kg ha -1 was produced by the hybrid “FSS 50” followed by FH-385 and Barracuda. All the characters had positive correlations with seed yield and 100 seed weight except head diameter where it was negatively correlated. Oil contents (-0.058) also had negative genotypic correlation. Therefore, it is suggested to break...
A two year field study was conducted at two different locations in northern rainfed Punjab, Pakis... more A two year field study was conducted at two different locations in northern rainfed Punjab, Pakistan to assess the effect of different rates of sulfur application from various sources on soil sulfur fractions and growth of Brassica napus. The treatments included three sulfur sources i. e., single super phosphate, ammonium sulfate and gypsum each applied at five different rates (0, 10, 20, 30 and 40 kg S ha -1). Sulfur application had a significant positive effect on the growth and yield parameters of Brassica napus. Among the sulfur sources ammonium sulfate resulted in maximum increase in plant growth and yield parameters, followed by single super phosphate. Sulfur content and uptake by crop plants was significantly higher with ammonium sulfate application as compared to other two sulfur sources. Sulfur application also exerted a significant positive effect on different S fractions in the soils. On an average, 18.0% of the applied sulfur got incorporated into CaCl2-extractable sulfu...
Pak. J. Agri. …, 2011
Effective use of the electronic media seems essential to keep farmers abreast of the latest agric... more Effective use of the electronic media seems essential to keep farmers abreast of the latest agricultural information and technologies for meeting the emerging challenges of the new era. The present role of electronic media in dissemination of agricultural information among farmers is questionable, which calls for a comprehensive study on in-depth analysis of the electronic media to enhance their role in agricultural technology transfer. The study was conducted in three districts of the Punjab province with different agro-ecological zones i.e. Faisalabad (mix cropping zone), Sheikhupura (rice zone), and Rahim Yar Khan (cotton zone). Multistage random sampling technique was used. There were total 300 respondents. The data were collected with the help of a pretested and validated interview schedule. The analysis of the data shows that TV appeared relatively more prominent than radio as agri. information source. It was revealed from the study that audio/video cassettes and internet have the least role in dissemination of agricultural information at grass root level. The strong areas of agri. information were livestock sector and major crops both in radio and TV broadcasts. Within the major categories, the weakest side was the marketing aspect. Regarding aspects like interest, effectiveness, usefulness, and practicability "Khait Khait Haryali" followed by "Sandhal Dharti" appeared to be more popular than other radio broadcasts. In case of TV, short messages and advertisements were more popular among farmers than "Kisan Time" and "Haryali".
Five wheat varieties/lines viz. Chakwal-97, Inqlab-91, GA-2002, 6C001 and 6C002 were crossed in 5... more Five wheat varieties/lines viz. Chakwal-97, Inqlab-91, GA-2002, 6C001 and 6C002 were crossed in 5 x 5 diallel cross to estimate combining ability at PMAS Arid Agriculture University, Rawalpindi, Pakistan during 2007-2008 and 2008-2009. GCA effects for days to heading (7.81), flag leaf area (22.07), plant height (82.18), number of tiller metre -2 (2997.21), days to maturity (9.59) and grain yield plant -1 (47.76) were non-significant indicating the preponderance of non additive type of gene action for these traits. SCA effects were highly significant for days to heading (26.81), flag leaf area (365.11), plant height (141.05), number of tillers metre -2 (8639.21), days to maturity (18.85) and grain yield plant -1 (93.70) which indicated that these traits are being controlled by non-additive type of gene action. RCA effects were also highly significant for all the traits studied suggesting selection can be effective in later generations. Chakwal-97 proved to be the best general combine...
Drought significantly reduces yield of many crop plants including wheat in the world. Identificat... more Drought significantly reduces yield of many crop plants including wheat in the world. Identification of wheat genotypes that can thrive on limited water is vital to boost the wheat production of rainfed areas. Forty wheat genotypes were screened for drought tolerance using 0, 7.5, 15 and 22.5% Polyethylene Ethylene Glycol 6000 solutions at PMAS Arid Agriculture University, Rawalpindi, Pakistan during 2009-10. Data were recorded on various seedling parameters like germination percentage, germination rate index, root length, shoot length, coleoptile length and seedling vigor. The seedling traits showed a decreasing trend in response to increased concentrations of PEG 6000. Wheat genotype Lyalpur-73 was found the best for germination percentage (87.5). The genotypes C-591 had maximum germination rate index (2.4). Wheat genotypes Pasban 90 and WC-18 possessed maximum root length (9.9) and seedling vigor (7.4) respectively. The genotype Auqab-2000 showed maximum shoot length (8.3). Wheat...
Horticulture International Journal , 2017
following the model of Freeman et al., 1 on some of the quantitative traits in eight genotypes of... more following the model of Freeman et al., 1 on some of the quantitative traits in eight genotypes of chickpea (Cicer arietinum L.). Materials and Methods Materials The materials for the present study comprised eight genotypes of chickpea viz,
Studies were conducted to evaluate different neem extracts i.e., Neem leaf extract (10%), Neem se... more Studies were conducted to evaluate different neem extracts i.e., Neem leaf extract (10%), Neem seed oil (2.5%), Neem seed cake extract(10%), Neem seed kernel extract (10%) in comparison with imidacloprid (Confidor 70 WG) against different morphs of mustard aphid on Brassaica napus L. Among the all treatments imidacloprid and Neem seed oil resulted in maximum (100%) reduction over precount including nymph, wingless and winged adults of Lipaphis erysimi, followed Neem seed cake extract (86.13, 89.90 & 68.48%) and Neem seed kernel extract (77.41, 55.11&34.26%).Imidacloprid and neem seed oil showed negative impact on the population increase index of parasitoids and predators of L. erysimi. All neem extracts had positive population increase index of mummified aphids. Neem leaf extract resulted in negative population increase index in case of predators. Neem seed kernel extract showed positive index in case of green lacewing and lady bird beetle larvae and Neem seed Cake extract showed po...
Journal of agricultural research
The study was conducted at NARC, Islamabad, Pakistan during the year 2009 to estimate heritabilit... more The study was conducted at NARC, Islamabad, Pakistan during the year 2009 to estimate heritability and genetic advances regarding yield and yield contributing traits using fourteen maize (Zea mays) genotypes (BS-01, Agati 2002, Margalla, EV-1097, EV-1098, Sadaf, EV-6098, EV-5098, EV-7004Q, Soan-3, Islamabad Gold, Islamabad White, Raka Poshi and Sahiwal-2002). The experiment was laid out in RCBD with three replications. Data were recorded for plant height, ear height, ear length, leaf area, number of leaves per plant, 100-grain weight and grain yield per plant. Analysis of variance revealed highly significant mean sum of squares for all the characters studied. The highest heritability estimates were observed for 100-grain weight (97.39%). All the other traits were observed to have heritability estimates ranging from 97.39 (100 grain weight) to 47.06% (number of leaves/plant). Range of genetic advance for different traits ranged from 1.26 (ear length) to 2674.45 (grain yield). The hig...
Pak. J. Bot, 2011
The aim of present study was to provide botanical inventory of the study area. For this purpose, ... more The aim of present study was to provide botanical inventory of the study area. For this purpose, floristic survey was carried out during April, 2008 to March, 2009. One hundred thirty plant species belonging to 105 genera and 37 families were identified from the study ...
Science of The Total Environment, 2020
Physio-biochemical traits as an indicator of wheat drought stress tolerance • Multivariate statis... more Physio-biochemical traits as an indicator of wheat drought stress tolerance • Multivariate statistical analysis for the selection of drought resistance genotypes • Genotypic-Phenotypic correlation indicated more genetic association between traits. • Heatmap positive side represents drought resistance while negative side showed susceptible performance of genotypes.
Pakistan Journal of Botany
This study was conducted to evaluate divergent wheat germplasm for their performance under drough... more This study was conducted to evaluate divergent wheat germplasm for their performance under drought and control conditions. The germplasm consists of wheat land races of Pakistan, advanced D-genome synthetic derivatives and high yielding varieties of Pakistan. This wide array of germplasm was selected to identify sources, which can be opted later by the wheat breeders while breeding for drought tolerance. The evaluation parameters involved some important physiochemical testing and morphological characteristics in the field under drought and control conditions. Based on these parameters, 13 wheat genotypes were selected on the basis of their best performance regarding morphological and physiological parameters. These genotypes exhibited higher yield under drought stress conditions and increased percentage of proline, sugar, SOD and protein content under laboratory conditions as compared to the susceptible genotypes. Correlation studies revealed that grains per spike (GPS) and thousand...
Genetic diversity of 113 desi chickpea genotypes was studied through descriptive, principal compo... more Genetic diversity of 113 desi chickpea genotypes was studied through descriptive, principal component and cluster analysis. High variances were observed for days to flowering, maturity, plant height, pods plant -1 , biological yield and harvest index. These traits also showed positive significant correlation with yield which was confirmed through principal component analysis. Principal component analysis (PCA) revealed that the first 4 principal components accounted for 71.99% of the total variation. Seed yield, biological yield, pods plant -1 , secondary branches and plant height in chickpea showed positive relation with the first component (PC1). Days to flowering, days to maturity, 100-seed weight showed positive correlation with the second component (PC2). The genotypes were grouped into four clusters using cluster analysis. Genotypes with early flowering and maturity were gathered in cluster I while cluster II showed dominant contribution for grain yield plant -1 , harvest inde...
A study was conducted in the Department of Plant Breeding and Genetics, PMAS Arid Agriculture Uni... more A study was conducted in the Department of Plant Breeding and Genetics, PMAS Arid Agriculture University, Rawalpindi, Pakistan during the year 2008-10. The objective was to determine the genetic architecture of grain yield and yield components in wheat. Four female wheat genotypes (99FJ03, Chakwal-50, T2 and Borlaug M-95), six male genotypes (Croc1/Ae.sq.205//BCN/3/2*Kauz, T23, Pak-81, Uqab-2000, GA-2002 and Margalla-99) and 24 F1s (obtained through line x tester mating design) were included in this study. These genotypes were evaluated following RCBD with three replications for different traits like days to heading, flag leaf area, plant height, number of tillers/m 2 , spike length, number of grains per spike, 1000-grain weight and grain yield per plant. The analysis of variance depicted that differences among the genotypes were significant for all traits suggesting that the parent could be used for improvement of traits. Among the selected lines, 99FJ03 proved as the best general ...
J. Agric. Res, 2011
09 to investigate the inheritance of gene action in wheat genotypes viz. Chakwal-97 (CH-97), Inqa... more 09 to investigate the inheritance of gene action in wheat genotypes viz. Chakwal-97 (CH-97), Inqalab-91, GA-2002, 6C001 and 6C002 in a 5 x 5 diallel cross. Data were recorded for yield traits like spike length, number of spikelets per spike, number of grains per spike, 1000-grain weight and grain yield per plant. The crosses were sown in randomized complete block design in three replications. The results revealed highly significant specific combining ability effects for 1000-grain weight (210.01) and grain yield per plant (93.70), significant for spike length (10.67) and number of spikelets per spike (10.31). It reflected non-additive type of gene action for these characters suggesting that selection would be effective in later generations. Higher general combining ability estimates for number of grains per spike (403.29) indicated that this trait is being controlled by additive type of gene action and one can practice selection in early generations for number of grains per spike. The results conclude that CH-97 might be used in breeding programmes to develop high yielding wheat cultivars. Cross combinations like CH-97 x 6C002 and CH-97 x Inqalab-91 may be used as advanced lines for comprehensive testing at different locations and may ultimately be released as varieties after thorough evaluation.
Sarhad J. Agric, 2009
This study was carried out at Barani Agricultural Research Institute, Chakwal to investigate the ... more This study was carried out at Barani Agricultural Research Institute, Chakwal to investigate the inheritance of gene action in wheat genotypes; viz.
AFRICAN JOURNAL OF BIOTECHNOLOGY, 2012
Cyanide poisoning is the major problem in sorghum fodder. This poisoning results in livestock mor... more Cyanide poisoning is the major problem in sorghum fodder. This poisoning results in livestock mortality and causes economic loss to the people. Some work have been reported on quantity but little work has been focused on quality especially the cyanide content in sorghum fodder in Pakistan. Inheritance mechanism for some fodder yield and quality traits were studied among 25 sorghum genotypes under irrigated and rainfed conditions. Highly significant genotypic as well as genotype x location differences were observed for all the characters studied. Highest genotypic and phenotypic variances were observed for plant height, fresh weight plant-1 , green fodder yield and total cyanide content. Green fodder yield, dry matter yield, fresh weight plant-1 , dry weight plant-1 and total cyanide content depicted high heritability estimates along with high expected genetic advance. There were strong positive genotypic and phenotypic correlations between green fodder yield and number of tillers plant-1 stem thickness, fresh weight plant-1 , dry weight plant-1 and dry matter yield. Strong negative genotypic and phenotypic correlations were observed between total cyanide content and number of tillers plant-1 , stem thickness, fresh weight plant-1 , dry weight plant-1 and green fodder yield. The present study indicates that the indirect selection and simultaneous improvement in sorghum fodder yield as well as quality is feasible because of significant relationship among traits.