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Legume Research

GENOTYPE X ENVIRONMENT INTERACTION AND STABILITY ANALYSIS FOR GRAIN YIELD IN BLACKGRAM (VIGNA MUNGO L.)

Article Id: ARCC507 | Page : 56-58
Citation :- GENOTYPE X ENVIRONMENT INTERACTION AND STABILITY ANALYSIS FOR GRAIN YIELD IN BLACKGRAM (VIGNA MUNGO L.).Legume Research.2012.(35):56-58
S.B. Revanappa*, P.Y. Kamannavar, A.G. Vijaykumar, M. Ganajaxi, D.K. Gajanan, B. Arunkumar and P.M. Salimath revanappasb@gmail.com
Address : AICRP on MULLaRP, University of Agricultural Sciences, Dharwad-580 005, India

Abstract

Eleven genotypes of blackgram were tested at three locations viz. Dharwad, Bidar and Gulbarga that represented different agro-climatic conditions of North-Karnataka during kharif 2009 to study their yield stability. Pooled analysis of variance and stability analysis were performed. The genotype (G) x environment (E) interaction and both variance due to genotypes and environments were significant. The partitioning of G x E interaction into linear and non-linear components indicated that both predictable and unpredictable components shared the interaction. On the basis of stability parameters, the top yielding genotypes, K-7-7 (1050 kg/ha) and DU-1 (1024 kg/ha) exhibited the stable performance over the locations. Results also revealed that the genotypes; BDU-3-3, T-9 and DU-3 also gave higher yield. But their performance was unpredictable due to high deviation from regression.

Keywords

Blackgram Yield Environment Interaction Stability.

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