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两系不育系培矮 64S对“九二○”反应迟钝。根据两优培九多年制种实践 ,提出了以培矮 64S为母本的两系组合制种中“九二○”的喷施时期、用量、次数和浓度等高效使用技术。
Two-line sterile Pei-64S on the “nine two ○” unresponsive. According to the practice of seed production in Liangyoupeijiu for many years, this paper put forward the efficient use technology of “920” spraying period, amount, frequency and concentration of Pei’ai 64S as the female parent.