Ecology, Environment and Conservation Paper

Vol 23, Feb 2017 Suppl. Issue; Page No.(259-264)

PHYSIOLOGICAL RESPONSES OF MUNGBEAN GENOTYPES TO IRRIGATED AND MOISTURE STRESS CONDITIONS

G. Govardhan, K.H.P. Reddy, D.M.Reddy, P. Sudhakar, B.V. B Reddy and P. Latha

Abstract

The present investigation was carried out on mungbean germplasm lines for assessing genetic variability under two environments viz., irrigated and moisture stress. Mean performance of the genotypes for most of the characters was higher in irrigated than moisture stress condition. Considerably high variability was observed for most of the yield and drought related traitss in E1 (irrigated) as well as E2 (moisture stress) conditions. The genotypes TLM 80 for SCMR, WGG 42 for specific leaf area, LM 97 for relative water content, LM 55 for relative injury and LM 12 for Chlorophyll stability index and MGG 390 for seed yield per plant registered superior performance in desirable direction under irrigated condition. The genotypes TLM 80 for SCMR, KM 8-651 for specific leaf area, LM 236 for relative water content, MGG 378 for relative injury, LM 12 for chlorophyll stability index and CN 9058 for seed yield per plant were found to be best under moisture stress condition. In both irrigated and moisture stress conditions, MGG 351 exhibited consistent per se performance for seed yield and four drought related traits SCMR, specific leaf area, relative water content and chlorophyll stability index. Hence, these genotypes could be used in hybridization programme to impart drought tolerance.

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