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豫油 4号是河南省农科院油菜研究室为解决油菜生产中的优质不高产、高产不优质问题 ,采用胞质雄性不育技术育成的高产双低优质油菜杂交种。该品种 1996年通过河南省品种审定委员会审定 ,是我国第 2个通过审定的双低冬油菜杂交种 ,1997年被评为国家“九五”首批农作物后补助品种
Yuyou 4 is a rapeseed research laboratory of Henan Academy of Agricultural Sciences To solve the problem of high quality and low yield, high yield and high quality in rapeseed production, high yield and low yield rapeseed hybrids using cytoplasmic male sterile technology were bred. This variety was approved by Henan Province Variety Approval Committee in 1996 and is the second Chinese double low winter rapeseed hybrid that has been validated in China. In 1997, it was appraised as the first subsidy variety after the first batch of crops in the Ninth Five-Year Plan