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Association Studies of Yield Contributing and Physiological Traits on Yield in Mungbean (Vigna radiata (L.) Wilczeck) under Summer Condition

Sai Rekha, Mohan Reddy and Ravindra Reddy

  • Page No:  257 - 260
  • Published online: 07 Apr 2017
  • DOI : HTTPS://DOI.ORG/10.23910/IJBSM/2017.8.2.1797

  • Abstract
  •  ssaishine@gmail.com

Correlation analysis was carried out with thirty one genotypes of mungbean for different yield and physiological contributing traits. Correlation was worked out among traits days to 50% flowering , days to maturity, plant height, number of clusters plant-1, number of pods cluster-1, number of pods plant-1, number of seeds pod-1, 100 seed weight, harvest index, SPAD chlorophyll meter reading (SCMR), Relative Water Injury (RWC), Relative Injury % (RI), Chlorophyll content, Specific Leaf Area (SLA) and seed yield plant-1. Correlation provides information on magnitude of the association of different components characters with seed yield which is regarded as highly complex trait in which the breeder is ultimately interested in. In this study, phenotypic coefficient of variation was slightly higher in magnitude than the genotypic coefficient of variation. Highly significant positive correlation of seed yield was observed with harvest index followed by SCMR, 100 seed weight, RWC, number of clusters plant-1 and number of pods plant-1 at both phenotypic and genotypic levels showing that increase in these traits would result in increase in the seed yield directly and in contrast plant height, number of pods cluster-1, chlorophyll content and specific leaf area displayed significant negative association with grain yield and these characters indirectly helps in improving seed yield . Hence selection based on these positively significant characters would be highly useful for the selection of high yield mungbean genotypes under summer conditions.

Keywords :   Correlation, mungbean, physiological traits


Cite

1.
Rekha S, Reddy M, Reddy R. Association Studies of Yield Contributing and Physiological Traits on Yield in Mungbean (Vigna radiata (L.) Wilczeck) under Summer Condition IJBSM [Internet]. 07Apr.2017[cited 8Feb.2022];8(1):257-260. Available from: http://www.pphouse.org/ijbsm-article-details.php?article=930

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