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90—1是河南省农科院粮食作物所与浚县农业试验站合作,于1986年育成的半竖叶大穗型高抗青枯病的黄粒玉米单交种。 1987～1988年在观察、鉴定试验中分别比豫玉1号增产18.2％和
90-1 is Henan Province Academy of Agricultural Sciences food crops and Junxian County Agricultural Experimental Station, bred in 1986 bisected leaves big spike type of high resistance to bacterial wilt yellow maize single cross. From 1987 to 1988, the yield and yield of Yuyu No.1 increased by 18.2% in observation and identification tests respectively