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本文用世代均数法分析了两个玉米组合的各类基因效应与种植密度的互作。结果表明,加性、显性和三类上位性基因效应与环境的互作存在于两个组合的绝大多数性状中;在五个互作分量中以g_((h))j对性状表型值的影响最大g_((l))j的影响次之,g_((d))j的影响最小。G_((i))j是构成纯系表型值中GE互作部份的主要成份。G_((j))j在性状和组合间变化很大,一般来说g_((h))j、g_((i))j和g_((l))j与ej呈线性关系。G_((j))j和g_((d))j在本试验中与ej一般无线性关系;g_((h))j与g_((l))j呈显著负相关,在g_((h))j不显著或显著程度不高时,g_((d))j与gj_((j))j也呈显著负关相。G_((h))j与g_((l))j之间密切的负相关关系,很可能是单交种“个体缓冲性”的一种内在机制。
In this paper, the generational mean method was used to analyze the interaction of various genomic effects and planting densities of two maize combinations. The results showed that the interaction of additive, dominant and three epistasis genotypes with the environment existed in most of the traits of the two combinations. For the five interaction components, g _ (h) The influence of the type value on g_ ((l)) j is second, g_ ((d)) j is the least. G _ ((i)) j is the major constituent of the GE interacting moiety in the pure line phenotype. G _ ((j)) j varies greatly between traits and combinations. Generally speaking, g _ ((h)) j, g _ ((i)) j and g _ ((l)) j are linear with ej. G _ ((j)) j and g _ ((d)) j are in general non-linear relationship with ej in this experiment. There is a significant negative correlation between g_ (h) g (j)) j and gj _ ((j)) j also have a significant negative correlation when h is not significant or not significant. The close negative correlation between G _ ((h)) j and g _ ((l)) j is likely to be an intrinsic mechanism of “individual cushioning” of single cross species.