丹玉402号玉米杂交种是丹东农业科学院于2002年冬以自选系丹299为母本,以自选系DH34为父本组配而成的单交种。2006年通过辽宁省农作物品种审定委员会审定,审定编号:辽审玉2006296号。该品种具有苗势强、果穗粗大均匀、封顶好、抗病、抗倒伏、活秆成熟、适合精量播种、秸秆可作青贮饲料等特点。该品种适宜辽宁省大连、鞍山、锦州、沈阳、辽阳、朝阳、丹东等晚熟玉米区种植。近几年丹玉402号在西北基地杂 Dan Yu 402 corn hybrids is the Dandong Academy of Agricultural Sciences in the winter of 2002 to select the Department of Dan 299 as the female parent to the selected line DH34 paired parent single cross-species. In 2006 through the Liaoning Provincial Crop Variety Approval Committee validation, validation number: Liao Jade Jade 2006296. The breed has the characteristics of strong seedlings, thick and uniform ear, good sealing, disease resistance, lodging resistance, mature mature stalks, suitable for precision sowing and straw for silage. The varieties suitable for Liaoning Province, Dalian, Anshan, Jinzhou, Shenyang, Liaoyang, Chaoyang, Dandong and other late-maturing corn planting. Dan Yu 402 in the northwest base hybrid in recent years