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Legume Research

MORPHOLOGICAL RESPONSE OF SOYBEAN UNDER WATER STRESS DURING POD DEVELOPMENT STAGE

DOI: 10.5958/j.0976-0571.37.1.006    | Article Id: LR-2799 | Page : 37-46
Citation :- MORPHOLOGICAL RESPONSE OF SOYBEAN UNDER WATER STRESS DURING POD DEVELOPMENT STAGE.Legume Research.2014.(37):37-46
T.V. Shadakshari , K.R. Yathish*, T. Kalaimagal, C. Gireesh, K. Gangadhar and Jaggal Somappa yathi.chinni@gmail.com
Address : Centre for Plant Breeding and Genetics, Tamil Nadu Agricultural University, Coimbatore- 641003, India

Abstract

An investigation was undertaken to elucidate information on the effects of water stress on yield and yield attributes of soybean {Glycine max (L.) Merrill} at pod development stage. The soybean accessions viz., JS92-22-A, IC18596, IC9311, IC216380, IC110399JS (SH) 99-02, IC16040, IC16040 and VLS53 showed better performance for morphological traits under water stress condition. Among the morphological traits studied, days to maturity showed the maximum reduction (94%) followed by harvest index (69%) and seed yield per plant (55%), while plant height was recorded the lowest reduction of 16% at pod development stage under water stress condition. The genotype VLS53 showed the highest drought tolerance index for seed yield.

Keywords

Drought tolerance index Harvest index Soybean Water stress.

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