大家知道,玉米是雌雄同株异花授粉作物,天然杂交率在95％以上。因此,在玉米制种和亲本自交系的繁殖工作中,要特别注意防止人为造成的生物学混杂。如何做好玉米花期防杂保纯根据我们三年来的工作实践,除按规定进行空间隔离或人工隔离外,综合起来有以下几方面: 1.玉米自交系繁殖田和杂交刘种田,都要在开花前严格的去杂去劣。特別是去杂工作一 As we all know, maize is hermaphrodite pollinated crops, the natural hybridization rate of 95% or more. Therefore, special attention should be paid to prevent human-induced biological confusion in the breeding of maize seeds and parental inbred lines. How to do a good anti-poke pure corn flowering According to our three years of work practice, in addition to the required space for isolation or artificial isolation, the combination of the following aspects: 1. Maize inbred lines and hybrid Liu farming fields, have to Strict before going to miscellaneous and poor performance before flowering. In particular, to a miscellaneous work one