一个新品种能否被承认,推广应用,区域试验是发放“通行证”的一道关卡,区域试验通不过,就谈不上品种审定了。因此,区域试验设计不够合理,往往就会把某一优良品系卡死在摇篮里,这就不难看出品种区域试验的重要性。玉米不同于小麦、水稻等作物,它以单株单穗为 Whether a new breed can be recognized, popularized and applied is that a regional trial is a stage where the “pass” is issued. However, regional trials can not pass the test. Therefore, the regional trial design is not reasonable enough, often a certain good strains stuck in the cradle, it is not difficult to see the importance of regional trials of varieties. Corn is different from wheat, rice and other crops, it is single plant spike