品種來源 丹東農科院于1997年以丹599為母本，丹T138為父本雜交選育而成，2002
年經遼寧省農作物品種審定委員會審定命名并推廣。
Dan599 cross DanT138, Bred by Dandong Academy of gricultural Sciences in 1997, Passed examination and
approval, Permission to spread and renamed by Liaoning
Examination and Approval committee of crops Variety in 2002
特征特性 種子：黃色、馬齒型、穗軸白色。
幼苗：葉鞘紫色，葉片綠色，葉緣淺紫色。
成株：葉片綠色，株高287厘米，穗位125厘米，株形半緊湊，全株葉片21~22片。
果穗：長筒形，穗長25.5厘米，穗粗5.5厘米，每穗16~18行，百粒重42.8克，出籽率82.5%。
生育期：132天，屬晚熟品種。
抗性：高抗倒伏、玉米大斑病、玉米灰斑病、玉米絲黑穗病、玉米螟。
[品質分析]
總淀粉69.36%，蛋白質13.12%，脂肪4.9%，賴氨酸0.30%，角質率高。
Kernels: dent and yellow kernel, white ear axis.
Seedling: Purple leaf sheath, green leaves, light purple edge of leaves.
Adult plant: green leaves, about 287cm of plant height, about 125cm of ear Position height, half-compact plant type, about 21-22 leaves.
Ear: Long—tube ear, about 25.5cm in average length, about 5.5cm in average width, 16~18 rows per ear, 42.8g per ndred grains, 82.5% kernels per ear.
Growth Period: about 132 days. Late maturity
[Quality Analysis]
Crude fat content 69.36%；protein content 13.12%; total tarch content 4.9%，Lysine content 0.30%；much more cutin.
產量表現 2001年遼寧省玉米區域試驗晚熟組，每公頃產量9842.5公斤，比對照丹玉26號增產6.3%。
2002年遼寧省玉米區域試驗晚熟組，每公頃產量9882公斤，比對照沈單16號增產3.3%。
2001年與2002年兩年玉米區域試驗，平均每公頃產量9865.5公斤，比對照增產4.8%，居第五位。
2002年遼寧省玉米生產試驗，平均每公頃產量9009公斤，比對照沈單16增產2.9%。[Yield character]
The yield was 9842.5kg per ha in the late maturate district
comparison test of liaoning province and increased 6.3% ore than the ck Danyu 26 in 2001.
The yield was 9882kg per ha in the late maturate district omparison test of liaoning province and increased 3.3% more han ck shengdan16 in 2002.
It got the average yield of 9865.5kg per ha and increased .8% more than the ck and placed fifth in 2001 to 2002.
The averaged yield was 9009 kg per ha the production test f liaoning district showed and increased 2.9% more than the k shengdan 16 in 2002.
適宜區域 丹玉90號玉米品種種植區域廣泛，適宜于遼寧、河北、山東、山西、河南等省種植。
This hybrid has wide adaptation. The growing area covered iaoning, Hebei, Shandong, Shanxi, Henan province etc in ina.
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