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通过 2 a制种实践和研究 ,初步摸清了新组合香两优 68双亲特性和制种特点 ,提出了高产保纯制种的相应技术措施。
Through 2 a seed production practice and research, initially found the new combination Xiangliangyou 68 parents characteristics and seed production characteristics, put forward the high yield of pure seed production of the corresponding technical measures.