Genetic Analysis of Endurance of High Temperature and Low Humidity Condition During Embryo Stage in Silkworm
家蚕胚胎期对高温干燥催青耐受性的遗传分析 Genetic Analysis of Endurance of High Temperature and Low Humidity Condition During Embryo Stage in Silkworm

Keywords: silkworm(Bombyx mori,),incubating under high temperature and low humidity condition,endurance,inheritan
家蚕,高温干燥催青,耐受性,遗传,胚胎期

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Abstract:

本运用完全双列杂交的方法，估测了家蚕在胚胎期对高温干燥催青条件耐受性的有关遗传参数。家蚕种对高温干燥催青的耐受性，在原种间和杂交组合间有明显差异。耐受性是一种遗传性性状，由遗传基因控制。经估算的广义遗传力大于狭义遗传力。有超显性现象。控制家蚕对高温干燥催青的耐受性的基因数目不少于两个。显性效应大于加性效应。显性效应为非单向性的。显性位点上的基因分布为不对称性。

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