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Vol. 10, Issue 4 (2021)

Genotype x environment interactions and stability analysis for growth and yield attributes in brinjal (Solanum melongena L.)

Author(s):
V Chaitanya and K Ravinder Reddy
Abstract:
The presence of genotypes x environment interactions was commonly used by plant breeders for measuring stability of selected genotypes performance. The magnitude of the statistical variance make possible to select entries with high potential yield, and other characters of stability, including in brinjal as well. The experimental material consists of thirty genotypes. All these thirty genotypes were evaluated over three environments i.e., kharif of 2014, rabi of 2014-15 and summer of 2015. Highly significant differences were observed among genotypes for all eight characters under observation viz., plant height (cm), number of branches per plant, days to 50% flowering, fruit length (cm), fruit width (cm), average fruit weight (g), total number of fruits per plant and total fruit yield per plant (g/plant). The differences among the environment were also highly significant for all characters. The analysis of variance revealed the presence of genotype-environment interaction for plant height, number of branches per plant, fruit width, average fruit weight, total number of fruits per plant and total fruit yield per plant (g/plant). C11 (2512.30 g), C13 (2238.90 g) and C21 (2284.80 g) recorded significantly more yield per plant when compared to the best standard check Chhaya (2026.60 g) with unit regression (bi=1) and hence adaptable to wider environments.
Pages: 151-156  |  446 Views  127 Downloads


The Pharma Innovation Journal
How to cite this article:
V Chaitanya, K Ravinder Reddy. Genotype x environment interactions and stability analysis for growth and yield attributes in brinjal (Solanum melongena L.). Pharma Innovation 2021;10(4):151-156.
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