Legume Research

  • Chief EditorJ. S. Sandhu

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Legume Research, volume 38 issue 5 (october 2015) : 589-597

Stability of fenugreek (Trigonella foenum-graecum L.) genotypes for terminal heat and water stress

Suresh Kumar Meena, E.V. Divakara Sastry, S. S. Rajput, Yogesh Pandey
1Department of Plant Breeding and Genetics, S.K.N. Agriculture University, Jobner-303 329, India.
Cite article:- Meena Kumar Suresh, Sastry Divakara E.V., Rajput S. S., Pandey Yogesh (2024). Stability of fenugreek (Trigonella foenum-graecum L.) genotypes for terminal heat and water stress . Legume Research. 38(5): 589-597. doi: 10.18805/lr.v38i5.5934.
Thirty genotypes of fenugreek (Trigonella foenum-graecum L.) were evaluated over four environments in randomized block design with 3 replications to estimate stability parameters of seed yield and its important component traits. The environments were created by changing the dates of sowing and irrigation levels. The genotypes interacted with the environments significantly indicating non linear response of genotypes to environments. Simple correlations between seed yield and other traits indicated that pods per plant and the test weight are the two important component traits. Stability analysis indicated difference in stability among the genotype for seed yield and the component traits. A positive correlation was noted between the regression coefficient and the mean seed yield of the genotypes, thus hypothesizing that higher yielding genotypes were better suited to better environments. The results of AMMI analysis corroborated with the results obtained from stability anlaysis, although AMMI analysis provided a better chance to delineate the genotypes and environments. Genotypes UM-137, UM-128, UM-322 and RMt-1 are found relatively stable for seed yield.

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