Stability of yield and seed parameters in rice
1997
Singh, A. | Sabharwal, P.S. | Panwar, D.S.V. | Mehla, I.S. (Haryana Agricultural Univ., Karnal (India). Regional Research Station)
The present investigations on 30 diverse genotypes of rice were undertaken to determine the effect of genotype x environment interaction (g x e). The variance due to g x e was highly significant for all the characters except fresh ungerminated seeds, root lenght, shoot length, and seedling dry weight. Partitioning of g x e interaction showed that variance could be attributed to both g x e (linear) and pooled deviation (nonlinear). For grain yield, only the three varieties IR 8, PR 106 and IR 64 were found stable with moderately high mean and average response. The three varieties IR 8, Jaya and Pusa 33 exhibited stability in their performance for high standard germination and better seed vigour.
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