皖玉7号玉米新品种选育及栽培技术

皖玉7号由濉溪县农科所1997年育成,原代号濉9739,组合A26×沈137.该品种属中早熟单交种,淮北夏播全生育期98 d.1997～1999年不同产量试验中表现抗旱、抗病、抗倒性强,丰产稳产性好,在公顷保苗52 500株密度,产量7 500 kg以上.制种一期父本与母本同播,二期父本推迟2～3 d,公顷保苗75 000株,父母本比例1∶5。

Breeding and Technology of the New Variety Maize-Anhui Maize No.7

Anhui maize No.7 was bred up by Suixi Agricutural Science and Technology Institute,its former code is Sui9739,and was bred from A₂₆×shenl37,belonging to early-maturing single cross variety,its complete period of growth in Huaibei areas is 98 days.In different outputs testing from 1997 to 1999,this variety demonstrated good characteristics of arid-resistant,disease-resistant and lodging-resistant,so its output was high and steady.Kept 52500 seedling per hectare,its output reached more than 7500 kilogiams.When malking seeds,plant male parent and female parent seed in the same term according to proportion as much as 1:5,keep 75000 seedlinhs per hectare.