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杂交水稻种子生产田田间检验通常有5种特殊情况:一是种子田中有杂株,而亲本种子小区种植鉴定中没有观察到;二是种子田处于难以检查状态;三是严重的品种混杂;四是在某一样区发现杂株而其它样区并未发现杂株;五是种子生产田中有一种生育期长、结实率低(本身花粉发育不良)的杂株。对这5种特殊情况的形成原因进行了分析,并提出了实施田间检验的实际处理方法。
Field hybrid rice seed production field inspection usually have five kinds of special circumstances: First, there are hybrids in the field of seed, and the identification of the parental seed plot is not observed in the identification; Second, the seed field is difficult to check the status of the third is a serious mixed species; four Is found in a sample area of other plants and other samples did not find hybrid plants; Fifth, the seed production field has a long growth period, low seed setting rate (its own pollen dysplasia) of the hybrid. The causes of the five special cases are analyzed, and the actual treatment method of field test is put forward.