集团后代测验是了解混合选择有效性的一个简单方法。
A bulk progeny test is a simple way to learn the effectiveness of mass selection.
亲本的遗传品质比起混合选择来，能判断得更加确切。
The genetic quality of the parents can be judged with much greater certainty than in mass selection.
应用表型混合选择改良小麦基因库抗赤性是有效可行的。
Phenotypic mass selection for improvement of scab resistance was effective and feasible in a wheat gene pool.
实践中形成的改良混合选择法是把自交、单株选择、混合留种三种常规的育种方法有机地结合起来，使之成为育种过程中的3个步骤。
The modified method of mixing selection comes from practice. It gangs 3 breeding methods as self-cross and plant selection and mixing save seeds together, and forms 3 paces in the course of breeding.
回交亲本为7902-4和40354。杂种第二代用7902-4进行回交，回交第二代用40354再次回交，之后用改良系谱混合选择法进行选育。
Their F_2 is backcrossed with 7902- 4, and F_2 of this backcross is backcrossed again with 40354, and then selected by using the modified pedigree and bulk selection procedure.
回交亲本为7902-4和40354。杂种第二代用7902-4进行回交，回交第二代用40354再次回交，之后用改良系谱混合选择法进行选育。
Their F_2 is backcrossed with 7902- 4, and F_2 of this backcross is backcrossed again with 40354, and then selected by using the modified pedigree and bulk selection procedure.
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