Indian Society of Genetics & Plant Breeding

AMMI analysis for stability of grain yield of pearl millet (Pennisetum typhoides L.) hybrids

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Nine pearl millet (Penn/setum typha/des L.) genotypes
(eight hybrids and one variety) were tested over fourteen
environments (years/locations) in different zones of
Maharashtra. Grain yield data were subjected to the
Additive main-effects and multiplicative interaction (AMMI)
analyses. Results indicated a significant genotype x
environment interaction (GEl) that influenced the relative
ranking of the hybrids across the environments. It was
evident from AMMI analysis that genotype, environment
and the first principal component of interaction effect
accounted for 95.20% of treatment sum of squares and
the first three principal components of interaction effect
were found significant. As per the AMMI model, four
genotypes (RHRBH-9802, RHRHH-8609, RHRBH-9807 and
RHRBH-9808) were identified as having general adaptability.
Further, two environments i.e. 1998/Rahuri-1I and
2000/Rahuri-1I were found ideal for stable performance of
the hybrids.
 

Keywords: Pearl millet, hybrids, AMMI, biplot, stability, G x E interaction, adaptability

Info

Year: 2002
Volume: 62
Issue: 3
 Article DOI: NA
Print ISSN: 0019-5200
Online ISSN: 0975-6906

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