Analysis of Genetic Main Effects and Genotype by Environment Interactions for Leaf Chlorophyll Content in Maize

doi:10.3321/j.issn:1000-7091.2006.04.001

Abstract

Abstract: An additive-dominance-maternal genetic model with genotype by environment interactions and corresponding statistical analysis approaches by Zhu Jun were applied to analyze genetic main effects and genotype by environment interactions for leaf chlorophyll content in maize silking under different environmental conditions.The results indicated that maize leaf chlorophyll content was significantly effected by the main genetic effects as well as by gentype by environment interactions.Among the genetic main effects,dominance effect was more important than additive effect.Among interaction effects,dominance effect×environment interaction effect was main and maternal effect ×environment interaction effect was secindary.It was certain effect to select leaf chlorophy content in early genetation under different environments.It was very important to pay more attention to the difference of genetic effects under different environments.According to predicted genetic effects of parents,select good parents that genetic main effects was excellent and environment interaction effects was stable to make a cross,then enhance select efficiency and breed new hybrids that is suitable to different or special area.

Key words: Maize, Chlorophyll content, Genetic variance, Genotype by environment

CLC Number:

S513.01

ZHAO Yan-ming, DONG Shu-ting, GAO Hong-wei. Analysis of Genetic Main Effects and Genotype by Environment Interactions for Leaf Chlorophyll Content in Maize[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2006, 21(4): 1-4. doi: 10.3321/j.issn:1000-7091.2006.04.001.

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