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丹玉 2 3号 (原代号丹 70 3)系丹东农业科学院于 1 990年冬在海南育种基地以自选自交系丹90 4 6为母本 ,自交系丹 340为父本杂交育成的晚熟大穗型玉米单交种。丰产性能好 ,抗叶斑病、活秆成熟。 1 997年 1 0月通过辽宁省农作物品种审定委员会认定推广及辽宁省科委科技成果鉴定
Dan Yu 2 3 (formerly Dan 70 3) was a late-maturing hybrid of Dandong Academy of Agricultural Sciences in Hainan Province in Hainan Province in the summer of 1990 with the optional inbred line Dan 90 4 6 as the female parent and the inbred line Dan 340 as the male parent. Large-spike corn single cross. High yield, anti-leaf spot, live stalk mature. Liaoning Province in January 1 099 approved by the Liaoning Provincial Crop Variety Certification Committee and the identification of scientific and technological achievements of Liaoning Provincial Science and Technology Commission