绿克(Vigna radiata L. Wilczek)生长与产量性状的相关及通径系数研究

Raju Thonta, M. Pandey, Rajneesh Kumar, Santhoshini
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引用次数: 1

摘要

目前的研究是在2022年丰收季期间在旁遮普洛夫利专业大学农学院遗传与植物育种系的农业研究农场进行的。采用3个重复的随机区组设计(RBD)对20份绿克种质的开花至50%天数、成熟天数、株高、一次枝数、单株簇数、单株荚果数、单株荚果数、单株荚果数、每荚种子数、荚果长(cm)、种子指数(g)、单株生物产量(g)、单株种子产量(g)和收获指数等13个性状进行变异、相关性和通径研究。结果表明,在基因型和表型水平上,种子产量分别与生物产量(0.9406和0.9318)、收获指数(0.7592和0.7573)和单株丛数(0.5264和0.4585)呈显著正相关。单株生物产量最高(0.7526),单株丛数最低(0.0039)。因此,选择这些性状可以提高产量和产量组成。这些特征之间的相关性同样值得注意和有利。因此,通过对这些性状的直接选择,可以从具有大量分离的群体中鉴定出高产基因型。
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Studies on correlation and path coefficient for growth and yield attributes in green gram (Vigna radiata L. Wilczek)
The current study was conducted at the agriculture research farm of the Department of Genetics and Plant Breeding, School of Agriculture, Lovely Professional University, Punjab during the kharif season 2022. A Randomized Block Design (RBD) with three replications were used to study variability, correlation and path including 20 Green gram germplasm for the 13 traits studied viz. days to 50% flowering, days to maturity, plant height, number of primary branches, number of clusters per plant, number of pods per plant, number of pods per cluster, number of seeds per pod, pod length (cm), seed index (g), biological yield per plant (g), seed yield per plant (g) and harvest index. Finding revealed that Seed yield showed significant and positively correlated with Biological yield (0.9406 and 0.9318) followed by harvest index (0.7592 and 0.7573) and number of clusters per plant (0.5264 and 0.4585) at both genotypic and phenotypic level respectively. Highest positive direct effect was noted for Biological yield per plant (0.7526) and lowest for number of clusters per plant (0.0039). Hence, selection for these characters could bring improvement in yield and yield components. Correlation was likewise noteworthy and favourable between these features. Therefore, identifying high-yielding genotypes from a population with substantial segregation would be aided by direct selection for these traits.
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