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1 品种来源及选育经过该杂交种是辽宁省农业科学院玉米研究所1 990年以自选系辽 30 53为母本 ,引入系丹 340为父本杂交配制的单交种。1 991年测交产比试验。 1 992～ 1 993年品种比较试验。 1 994年省区试预备试验。 1 995～1 996年省区域试验。 1 997～ 1 998年省生产试验。1
A variety of breeding and breeding After the hybrid is the Liaoning Academy of Agricultural Sciences Institute of corn in 1990 to choose a self-selected Liao 30 53 as the female parent, the introduction of the Department of Dan 340 for the hybrid cross-paired single cross. 1 991 test delivery ratio test. 992-1993 years of comparative trials. 1 994 provincial pilot preparation test. Provincial Regional Trial from 1995 to 1996. 1 997-1998 provincial production test. 1