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豫芝4号是针对芝麻产量长期低而不稳的问题，采用“宜阳白”作母本、“驻兰1号”作父本通过有性杂交育成。经过多年正规试验，表现耐渍、耐旱、抗病、早熟、高产。1989～1991年分别由河南、安徽、陕西及全国农作物品种审定委员会审定通过。该项研究成果被列入《“八五”国家重?
Yuzhi No. 4 is aimed at low and unstable sesame production for a long time, using “Yiyang White” as the female parent and “Lan No.1” as the male parent through sexual cross breeding. After many years of formal testing, the performance of stains, drought, disease resistance, early maturity, high yield. From 1989 to 1991, respectively, by Henan, Anhui, Shaanxi and the National Crop Variety Approval Committee approved. The research results were included in the “Eighth Five-Year” national heavy?