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采用包括基因型与环境互作的加性－显性遗传模型，分析了１９９５年，１９９６年陆地棉（ＧｏｓｙｐｉｕｍｈｉｒｓｕｔｕｍＬ．）１２个亲本及其１７个Ｆ１组合不同花铃期的单株成铃数和单株籽棉产量．遗传效应分析表明：单株成铃数在花铃前期以ＧＥ互作效应为主；花铃中期加性效应和显性效应有所增加，而ＧＥ互作效应逐渐减小；花铃后期加性效应仍继续增加，而显性效应则减小，ＤＥ互作效应明显上升．单株籽棉产量在花铃前期主要受ＧＥ互作控制；花铃中期未检测到加性方差，而显性方差持续增加；花铃后期存在显著的加性效应．净遗传效应分析表明：单株成铃数在整个花铃期都有加性效应的表达，而显性效应仅在８月７日前检测到，在少数时期也检测到条件加性×环境互作效应，条件显性×环境互作效应则在多数时期均检测到．其中７月２７日至８月７日是单株成铃数基因表达最为活跃的时期．单株籽棉产量的基因表达与单株成铃数相似，但条件显性效应和条件显性×环境互作效应在多个时期均显著．单株总铃数与单株籽棉总产量的各项相关系数均为显著正值，但７月２６日前单株铃数与单株籽棉总产量存在显著的加性负相关．早期单株籽棉产量与单株籽棉总产量是极显著的加性负相关和显著的显性正相关
The additive-dominance genetic model including interaction between genotype and environment was used to analyze the number of bolls per plant and the number of bolls per plant of 12 parents and 17 F1 combinations of Gossypium hirsutum L. in 1995 and 1996 Single seed cotton yield. Genetic effect analysis showed that the number of bolls per plant was dominated by GE interaction in the early boll cycle; the additive and dominance effects were increased in the middle stage of boll blossom, while the GE interaction effect was gradually decreased; The effect still continues to increase, while the dominant effect decreases while the DE interaction effect increases obviously. The seed cotton yield per plant was mainly controlled by GE interaction at the early stage of flowering. No additive variance was detected at mid-flowering stage, while the dominant variance continued to increase. There was a significant additive effect at the late flowering stage. The net genetic effect analysis showed that the number of bolls per plant had an additive effect throughout the flower-boll stage, but the dominant effect was detected only before August 7, and the conditional additive × environmental interaction Effects, conditional dominance × environmental interaction effects were detected at most times. Among them, from July 27 to August 7, the boll number per plant was the most active gene. The gene expression of seed cotton per plant was similar to the number of bolls per plant, but the conditional dominant effect and the conditional significant environmental interaction were significant at different times. The correlation coefficients between the number of bolls per plant and the total yield of single seed cotton were all significantly positive. However, there was a significant additive and negative correlation between the number of bolls per plant and the total yield of single seed cotton before July 26. The early single seed cotton seed yield per plant and the total seed cotton yield is extremely significant negative additive and significant positive correlation