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Electronic Journal of Plant Breeding, 1(4): 577-584 (July 2010)

Research Article

Grain yield stability of single cross maize (Zea mays L.) hybrids over three different environments S. Arulselvi and B. Selvi

Abstract An investigation was conducted to determine the grain yield performance of seventy two single cross maize hybrids, their nine parents and one commercial check across three seasons (Summer, Kharif and Rabi) of the year 2006 at the Department of Millets, Tamil Nadu Agricultural University, Coimbatore. The design lay out was a randomized blocks design with three replications. The additive main effects and multiplicative interactions (AMMI) analysis indicated that the grain yield performance of maize genotypes were mainly due to genotypes and environmental interaction. The first two principal component axis (IPCA I and IPCA II) were significant (p