【摘要】 丹玉40号(丹3040)是丹东农业科学院以自选系丹SE30为母本,自选系丹SE79-1为父本组配成的玉米杂交种。该品种属晚熟杂交种,需≥10℃有效积温,积温2 381.4℃左右。1993～2000年在各级各类试验中表现高产、稳产、抗病、抗倒、适应性强。一般比各地主栽品种增产8％以上。适宜在吉林南部、辽宁大部及华北春玉米区种植。种植密度以45 000株/hm~2为宜,比空和清种均可。更多还原

【Abstract】 Danyu No. 40 is a late-maturing hybrid, the hybrid showed high and stable yield at various experiment plots in various areas between 1993 - 2000. The result showed that it had very high ability of disease resistance, lodging resistance, drought resistance and wide adaptation. The suitable planting areas of Danyu No. 40 are most parts in Northeast China, and northern part of China where planting corn in the spring. The plant population were 45 000 seedlings/hm2.更多还原