Abstract
Abstract Development of superior cultivars is the prime objective of any plant breeding program. This research was conducted with the aim to study genetic variability and trait association among the mungbean genotypes for yield attributes under rainfed conditions. Fourteen mungbean genotypes were tested in randomized complete block design with three replications at the University of Agriculture Peshawar during spring 2017. Data were noted on different yield contributing traits like days to maturity, plant height, pods plant-1, pod length, clusters plant-1, 100-grain weight and grain yield plant-1. Analysis of variance revealed highly significant difference for all the studied traits. Maximum number of clusters plant-1 were showed by genotypes Mung-Azri-06 (9) VC 6321(9), Mung NM-06 (9) and Mung-Chakwal-06 (9). Mung-Azri-06 revealed maximum pod length (8.6 cm), pods plant-1 (27.37), 100-grain weight 4.40 g) and grain yield (17.90 g). Grain yield showed significant correlation with cluster plant-1(r = 0.71**), pods plant-1 (r = 0.80**), pod length (r = 0.59*) and 100-grain weight (r = 0.97**). Promising genotypes Mung-Azri-06, Mung-Chakwal-06 and Mung- NCM-257-2 performed best than other genotypes and can be used in future breeding programs. Keywords: Genetic variability; Mungbean (Vigna radiate); Rainfed condition; Traits association http://dx.doi.org/10.19045/bspab.2018.700179
Highlights
The breeding materials were comprised of KM1, Chashma 96, Mung NM 11, Mung Chakwal 11, Mung NM 06, Mung NCM-257-2, Mung Azri-06, Mung 97, VC 6321, VC 6369, VC6370, VC6368, and NM-19-19. These Fourteen genotypes have sown during March 2017 in a randomized complete block (RCB) design with three replications and row length of 4m was kept
Plant height is an important character of mungbean genotypes
Pod plant-1 was highly significantly correlated with grain yield 100-grain (r = 0.63) while significantly correlated with 100-grain weight (r = 0.59) and pods plant-1 (r = 0.54)
Summary
Mungbean is the most important pulse crop, plant having succulent stem that is hollow belongs to family laguminoseae, genus from inside. Mungbean plant grows up to three feet high, it can be used as a crop rotation practices. It is sown in both summer and spring seasons [4]. Yellow mosaic viruses are commonly observed in Pakistan These viruses cause greater damage to mungbean crop. This study was conducted to determine genetic variability in mungbean genotypes under rainfed condition and to investigate the correlation among yield and its component traits. The breeding materials were comprised of KM1, Chashma 96, Mung NM 11, Mung Chakwal 11, Mung NM 06, Mung NCM-257-2, Mung Azri-06, Mung 97, VC 6321, VC 6369, VC6370, VC6368, and NM-19-19 These Fourteen genotypes have sown during March 2017 in a randomized complete block (RCB) design with three replications and row length of 4m was kept.
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