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采用化学杂交剂(CHA)配制杂交种是当前利用小麦杂种优势的主要途径之一。近年,河北省小麦杂种优势利用研究协作组开展了小麦化杀制种研究,在乙烯利化学杀雄技术基础上加工改造,开发出冀化1号(ES)和冀化2号(EK)两种化杀改进剂,并
Hybridization of chemical hybridization (CHA) hybrids is one of the main ways to utilize the heterosis of wheat. In recent years, Hebei Province Wheat Heterosis Utilization Research Collaboration Group to carry out the wheat kill species research, ethephon killing technology based on the transformation, development of the Hebei (1) and Hebei (2) EK (EK) two Seed kill modifier, and