广义遗传率差异大小是基因型与环境的互作而引起的；
The difference of heritability in the broad sense is caused by genotype environment interaction.
环境与基因型互作的差异性导致了花粉败育的年度不稳定性。
The difference in the interaction between environment and genotype reflected on the unstability of pollen abortion in different years.
环境对大麦胶含量有一定影响，但基因型—环境互作效应不显著。
Although environment effected gum content, there was no significant genotype-environment interaction.
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