Abstract
Thirty-five genotypes of Mung bean (Vigna radiata L.) along with check Shalimar Mungbean-1 were evaluated to elicit information on association and interrelationship for yield and its component traits. Seed yield plant-1 showed positive significant association with number of clusters plant-1, number of primary branches plant-1, number of pods plant-1, number of seeds pod-1, pod length, and 100-Seed weight ,and negative and significant association with days to 80 % maturity. Path analysis revealed that maximum positive direct contribution to seed yield plant-1 came from number of seeds pod-1 (0.424) followed by 100-Seed weight (0.419, number of pods plant-1 (0.339) and number of primary branches plant-1 (0.177). Significant positive indirect contribution came from all the traits via pod length and number of seeds pod-1. None of the genotypes showed complete resistance to cercospora leaf spot (CLS) however 17 genotypes were rated as moderate tolerant and 15 as moderately susceptible. Key words: Mung bean, correlation, path-coefficient, Cercospora leaf spot.
Highlights
An experiment was carried out at experiential farm of Division of Plant Breeding and Genetics, SUAST-K Shalimar Srinagar. 35 genotypes of mung bean including Shalimar mung-1 as check were evaluated in a randomized complete block design (RBD) with 3 replications during kharif 2011
Observations were recorded on eleven morpho-agronomic, yield and quality traits viz., days to 50% flowering, Number of clustersplant-1, Number of primary branches plant-1,Number of pods plant-1, Pod length, days to 80% maturity, plant height, number of seeds pod-1, 100-seed weight (g), Seed yield plant-1 (g) and protein content (%)
The genotypic and phenotypic correlation coefficients were estimated by the methodology advocated by AlJibouri et al (1958) and direct and indirect effects were obtained according to the procedure proposed by Dewey and Lu (1959)
Summary
Wilczek) known as green bean, choroko, mung, mash bean, munggo, green gram and golden gram is one of the most important legume crops of India It is one of the important crops well suited to dry areas and mainly to irrigated conditions and is cultivated traditionally by small landholders throughout tropical, subtropical and temperate zones of Asia including India, Pakistan, Bangladesh, Sri Lanka, Nepal, Thailand, China, Korea and Japan. Since, it has a short maturity span (60 to 75 days) it is grown under various cropping systems. The present investigation was undertaken to study the inter-relationship among yield and its contributions in mung bean
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