l5综合选择 综合选择（combined selection），又称合并选择、复合选择，是将群体选择、家系选 择和后裔鉴定等技术手段相结台，进而对目标性状进行遗传改良的选育方法。
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根据福建明溪点的测试结果，以枝叶双酯碱产量为综合选择指标优选出福建武夷山、柘荣等优良药用种源。
Based on the test result of Mingxi of Fujian, superior medical provenances such as Wuyishan, Zherong of Fujian were selected with high harringtonine and homoharringtonine yield of branches and leaves.
该方法避开了直接选择比值性状而在统计和选择效率方面所遇到的诸多麻烦，从而解决了比值性状的综合选择问题。
This method avoids a lot of trouble in the statistics and selection efficiency from directly selecting ratio trait, thereby solving the problem of comprehensive selection for ratio trait.
在水稻育种中应用选择指数方法进行综合选择比对单株产量单一性状直接选择效率高20.42%，应用前景广泛。
In practical rice breeding pro-grams, multi-trait index selection for plant yield improves selection efficiency by 20.42%, compared to single-trait selection.
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