Evaluation of chickpea genotypes for variability in seed protein content and yield components under restricted soil moisture condition

被引:3
作者
Singh T.P. [1 ]
Raiger H.L. [1 ]
Kumari J. [1 ]
Singh A. [2 ]
Deshmukh P.S. [2 ]
机构
[1] National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi
[2] Division of Plant Physiology, Indian Agricultural Research Institute, New Delhi
来源
Indian Journal of Plant Physiology | 2014年 / 19卷 / 3期
关键词
Biomass; Chickpea; Cicer arietinum; Moisture stress; Seed protein content; Seed yield;
D O I
10.1007/s40502-014-0109-4
中图分类号
学科分类号
摘要
A study was conducted at IARI, Research Farm, New Delhi, during the winter (rabi) season of 2009–10 with 12 chickpea genotypes grown under restricted soil moisture condition. On the basis of results obtained, seed protein (%) was highest in Pusa 1103 (30.80), followed by BG 1101 (29.77), Pusa 362 (29.13) and BGD 112 (28.87); and therefore, Pusa 362 and Pusa 1103 can be used in breeding programme for improving protein content in seed under restricted soil moisture condition. Genotypic, phenotypic coefficient of variation, heritability, genetic advance, correlation coefficients and path coefficients analysis were performed for yield and its contributing parameters along with protein and cold tolerance index in chickpea genotypes. Analysis of variance for traits studied showed significant (P < 0.01) differences among the genotypes. Phenotypic coefficient variation values for most characters were closer to the corresponding genotypic coefficient variation values, showing little environment effect on the expression of various characters. The estimated values of broad-sense heritability were found between 7.86 % (Cold tolerance index) and 99 % (biomass per plant). High heritability coupled with high genetic advance as per cent of mean was observed for pods per plant and biomass per plant, suggesting that selection for these traits would give good response. Biological yield (r = 0.854) and harvest index (r = 0.766) had high positive association with grain yield. Phenotypic path analysis indicated that biological yield (0.792) and harvest index (0.407) contributed directly towards grain yield. It is suggested that these characters can be considered as selection criteria in improving the grain yield of chickpea genotypes. © 2014, Indian Society for Plant Physiology.
引用
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页码:273 / 280
页数:7
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