Crop variety regional trials in several years result in unbalanced data in which every variety was tested in different years and sites.

作物品种区域试验多年资料系参试品种在试验年份、地区上重复数不等的非平衡资料。

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At present, DNA fingerprinting has played an important role in regional trials, variety testing and enforcement, which has a bright future for application.

目前，DNA指纹技术已在玉米品种区试审定、品种权测试、品种权执法等方面发挥了重要的作用，具有良好的应用前景。

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