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在构建 DH群体 RFLP图谱的基础上定位了产量因子的数量性状位点 (QTL) .在杭州和海南两地分别种植包括 12 3个 DH原的 DH群体及其亲本 IR6 4和 Azucena,并对产量因子性状进行了测定 .运用调整无偏预测 (AUP)法预测遗传主效应值和 GE互作效应值 ,并用于 QTL定位 .结果表明 ,一些有主效应的 QTL同时具有 QTL×环境 (QE)互作效应 ,而一些没有主效应的 QTL也可以有 QE互作效应 .研究还表明 ,QTL对环境的敏感性不同 ,有的 QTL只能在一个环境中检测到 ,而另一些 QTL能在二个环境中都检测到 .产量因子包括总粒数和实粒数的 QTL无论是主效还是 QE互作效应均具有较大的加性效应值 ,这些 QTL在两个环境中起主基因的作用 .
The quantitative trait loci (QTLs) of yield factors were mapped on the basis of constructing RFLP maps of DH population.The DH population including 12 3 DHs and their parents IR6 4 and Azucena were planted in Hangzhou and Hainan respectively, Factorial traits were determined.Adopting the unbiased prediction (AUP) method to predict the main genetic effect and the GE interaction effect value, and used for QTL mapping.The results showed that some QTLs with main effect had QTL × environment (QE) While some QTLs without main effect can also have QE interaction effect.The research also shows that QTLs are sensitive to the environment and some QTLs can only be detected in one environment and other QTLs can be in two Environment.The QTLs with total and real kernels, including QTLs for total grain number and grain number, all have large additive effects both in the main effect and in the QE interaction effect, and these QTLs play the role of major genes in both environments.