Genetic Variability and Divergence of Morphological and Seed Quality Traits of Greengram (Vigna radiata L.) Genotypes (original) (raw)
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International Journal of Environment and Climate Change, 2022
Greengram is India's most significant legume crop, and because there is relatively little genetic variety, increasing productivity demands increased attention in research for the development of superior cultivars. During Kharif 2020-21, an experiment was conducted to the evaluation of the genetic parameters for yield and their associated attributes for thirty-nine Mungbean genotypes. Using a Randomised Block Design (RBD), all genotypes were sown in three replications. The observations on various quantitative characters were recorded, and the genetic parameters, PCV, GCV, heritability(bs), and genetic advance, along with the analysis of variances, were estimated. According to ANOVA, almost all genotypes exhibited significant variances for all characters. The highest GCV and PCV was found to be pod length (cm), number of pods cluster-1, number of primary branches plant-1, biological yield plant-1 as well as seed yield plant-1. The heritability was recorded high for pod length (cm) followed by number of primary branches plant-1, number of pods cluster-1, days to pod initiation, number of seeds pod-1, days to 50% flowering, seed yield plant-1, biological yield plant-1, number of effective pods plant-1. The character’s days to flower initiation, total number of pods plant-1, harvest index and number of clusters plant-1 revealed medium genetic advance. High heritability(bs) coupled high genetic advance as percent of mean was observed for pod length (cm), number of branches plant-1, number of pods cluster-1, days to pod initiation, number of seeds pod-1, days to 50% flowering, seed yield plant-1, biological yield plant-1 and number of effective pods plant-1.
International Journal of Chemical Studies, 2020
The present investigation was conducted with the F3 breeding lines derived from three crosses viz., DGGV-7 × V-02-709, DGGV-7 × V-02-802, DGGV-2 × SML-1815 along with their parents used as checks. The progeny lines were evaluated for estimation of genotypic coefficient of variation (GCV), phenotypic coefficient of variation (PCV), heritability and genetic advance. The correlation study was undertaken among the ten selected quantitative characters. The analysis of variance showed, the progeny lines derived from the cross DGGV-7 × V-02-709, recoded very high significant variation for the characters like the number of branches per plant (2.988), pod length (2.363) and seed yield per plant (13.007g). The 100 seed weight (4.7g) was observed in the cross derivative of DGGV-2 × SML-1815 with high heritability 73.26 per cent and moderate genetic advance under mean (19.65). The breeding lines of DGGV-7 × V-02-709 have recorded mean seed yield 3.7 g with the range of 3.22 to 4.65 g and the PC...
Electronic Journal of Plant Breeding, 2020
The present investigation was carried out at National Pulses Research Centre, Vamban during Rabi 2017–18 season to assess the extent of genetic variability among the newly developed 49 greengram genotypes based on the yield and yield contributing traits. Observations were recorded on days to 50% flowering, days to maturity, plant height (cm), the number of branches per plant, the number of clusters per plant, the number of pods per cluster, the number of pods per plant, pod length (cm), the number of seeds per pod, 100 seed weight (g) and seed yield (kg/ha). The analysis of variance revealed the presence of significant variation for all the characters studied except for the number of seeds per pod. In general, the PCV values were higher than the GCV values indicating the influence of environment in controlling these traits. Among the estimates of genetic parameters, heritability along with genetic advance are normally more helpful in predicting the gain under selection. In the prese...
International Journal of Plant & Soil Science
The greengram, also known as mungbean or Vigna radiata L. Wilczek, is a significant pulse crop in India. Throughout India, it is mostly cultivated in subsistence agricultural systems. Even though it may be cultivated in three seasons across India, the average production is unbelievably low. The local germplasm has a significant genetic variation since the crop has developed in a wide variety of environmental settings. To comprehend the genetic variability and identification of distinct germplasm lines, a study was conducted on 300 green gram accessions utilising 14 quantitative traits. For pods per plant, pod clusters per plant, branches per plant, biological yield per plant, 100 seed weight, nodes per plant, harvest index, and seeds per pod, relatively high PCV and GCV were found. Additionally, an evaluation of the genetic advance (GA) and broad-sense heritability (h2) was done to select the most significant quantitative variables. Due to their high broad sense heritability (h2) an...
Genetic Analysis in Pre-breeding Lines of Greengram [Vigna radiata (L.) Wilczek
Legume Research- An International Journal, Volume 46 Issue 12: 1564-1570 (December 2023), 2023
Background: Greengram is third most important pulse crop which is widely adapted and can improve soil fertility. The genetic variability and association studies help in selection which would increase the yield potential of greengram. Methods: Two hundred stabilized lines (F 9) obtained from the cross VBN (Gg) 2 and Vigna radiata var. sublobata were evaluated. The yield and yield contributing traits were recorded to evaluate genetic variability, heritability, genetic advance as % of mean and correlation among the yield and its component traits. Result: Analysis of variance exhibited significant differences among the lines for all the ten quantitative traits indicating the presence of genetic variability. The high GCV values were found for the traits viz., single plant yield (30.18) and the number of pods per plant (26.80). High heritability combined with high genetic advance as per cent of mean was observed for the number of pods per plant (90.19, 52.43), single plant yield (89.58, 58.84), the number of pods per cluster (79.28, 22.70) and the number of clusters per plant (69.50, 30.22) which indicates additive gene effects. In the present study, the number of pods per plant had a high positive direct effect (0.919) on a single plant yield. Therefore, the selection for these characters would improve yield in greengram.
Twenty Mungbean (Vigna radiata L. Wilczek) genotypes were evaluated for the estimation of genetic variability parameters, correlation coefficient, Heritability and Genetic advance. The genotypes differed significantly for all characters. Higher GCV and PCV was observed for number of branches per plant (42.09%;62.27%) followed by number of clusters per plant (24.44%;30.08%), number of pods per plant (19.15%;25.36%), plant height (15.92%;17.59%), harvest index (11.14%;11.94%), seed yield per plant (9.72%;10.32%), seeds per pod (8.33%;12.44). High heritability observed for the biological yield per plant (97.96%) followed by harvest index (91.69%), seed yield per plant (88.73%), plant height (81.97 %) and 100 seed weight (70.09%) indicating the impact of additive gene expression. The plant height, number of primary branches per plant, number of clusters per plant, number of pods per cluster, number of pods per plant, number of seeds per pod and 100 seed weight had highly significant and positive correlations with seed yield at both genotypic and phenotypic levels.
Asian Journal of Agricultural Extension, Economics & Sociology
Sixteen green gram (Vigna radiata, Fabaceae) genotypes were evaluated under randomized block design (RBD) with three replications for genetic variability for eight characters. The analysis of variance revealed significant differences among genotypes for all the characters. Analysis of variance indicated that experimental material possesses a good amount of variability for all the characters under study. A high magnitude of genotypic coefficient of variance was observed for seed yield per plot, seed yield per hectare, plant height, days to flowering, and test weight while moderate GCV was recorded for the number of seeds per pod, pod length, and days to maturity suggesting the possibility of their improvement by selection. High heritability coupled with high genetic gain as a percent of mean was observed for test weight, seed yield per hector, seed yield per plot, plant height, and days to flowering while high heritability and moderate genetic gain were recorded for days to maturity,...
Combining ability and gene action for yield traits in greengram [Vigna radiata (L.) wilczek]
Electronic Journal of Plant Breeding
The combining ability analysis of 225 F 3 s in greengram developed from half diallel crosses among six parents revealed importance of both additive and non-additive gene actions in the inheritance of pods per plant, seeds per pod, 100-seed weight and yield per plant. There were significant differences in gca and sca effects for the characters studied. OGG-12 was the best general combiner for pods/ plant and grain yield per plant where as OGG-57 was for seeds/ pod, OGG-12 and LGG-460 for 100-seed weight. Among the 15 crosses, six crosses showed significant positive and seven crosses had significant negative SCA effects for seed yield/plant. Significant positive SCA effects were observed in two crosses for pods/plant, four crosses for seeds/ pod and three crosses for 100-seed weight. Although some crosses were showing positive SCA effect for yield and its components, the frequency of unfavorable cases were more. Only TARM-1 × OGG-12 exhibited favorable SCA effect for all characters. Considering all the characters simultaneously, OGG-12 was the best combiner followed by TARM-1 and LGG-460.
Character Association and Genetic Diversity in Rainfed Greengram [ Vigna radiata ( L.) Wilczek]
Indian Journal of Dryland Agricultural Research and Development, 2014
Sixteen greengram genotypes were evaluated for their yield performance as well as interrelationship among morphological traits and genetic diversity. The variation in shoot weight, root weight, nodules/plant and nodule weight was quite high among varieties ranging from 2.62-9.20 g, 0.18-0.49 g, 16.5-28.5 and 60.23-154.35g, respectively per plant. The mean number of days taken to flowering was 38.78 ranging from 32.66 in OUM 11-5 to 71.0 in Phulbani Black mung. The most promising varieties with respect to yield were found to be Pusa 9531 and Dhauli (more than 7.0 q/ha). The number of pods/plant, pod length and seeds/pod exhibited significant positive correlation with greengram yield. However, the association of seed yield with days to 50% flowering, maturity duration, plant height and dry biomass was found to be significantly negative. Based on the dendrogram depicting the morphological similarity, the varieties were classified under three distinct main clusters. The local type, Phulbani Black mung was found to be most divergent from other greengram varieties and could be better exploited in crop improvement.
Character Association and genetic Diversity in Rainfed Greengram Vigna radiata
2014
Sixteen greengram genotypes were evaluated for their yield performance as well as inter-relationship among morphological traits and genetic diversity. The variation in shoot weight, root weight, nodules/plant and nodule weight was quite high among varieties ranging from 2.62-9.20 g, 0.18-0.49 g, 16.5-28.5 and 60.23-154.35g, respectively per plant. The mean number of days taken to flowering was 38.78 ranging from 32.66 in OUM 11-5 to 71.0 in Phulbani Black mung. The most promising varieties with respect to yield were found to be Pusa 9531 and Dhauli (more than 7.0 q/ha). The number of pods/plant, pod length and seeds/pod exhibited significant positive correlation with greengram yield. However, the association of seed yield with days to 50% flowering, maturity duration, plant height and dry biomass was found to be significantly negative. Based on the dendrogram depicting the morphological similarity, the varieties were classified under three distinct main clusters. The local type, Phulbani Black mung was found to be most divergent from other greengram varieties and could be better exploited in crop improvement.