依杂交亲本配合力来评价作物原始材料的最适方法是顶交法。顶交法规定被测类型要与适当的测验种杂交。(1965)认为,便于利用的并带有大量反映被测系性质信息的测验种是最好的测验种。但是迄今关于最适测 The best method to evaluate crop raw materials according to the combining ability of hybrid parents is the top method. Top Law stipulates that the type tested should be crossed with the appropriate test species. (1965) argue that the most readily available test species for ease of use and with a large number of test species that reflect the nature of the line under test. But so far about the most suitable test