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“东农 90 2”是利用来源于日本的抗霜霉病和软腐病的高代自交不亲和系和具有二牛心血统抗TuMV的高代自交不亲和系杂交而成。该品种结球性好 ,整齐一致 ,叶球牛心型 ,尖顶闭合 ;品质优于佳白二号 ,风味品质优良、口感好 ;抗霜霉病、TuMV、软腐病能力强 ;平均单株重3 5kg ,667m2 产净菜 50 0 0kg ,比对照品种“佳白二号”增产 15% ;生长期 80～ 85d
“Dongnong 90 2” is a cross between a high generation of self-incompatibility lines derived from Japan against downy mildew and soft rot and a high-generation self-incompatibility line having a dual-bovine anti-TuMV system. The varieties of good cocooning, neat and consistent, the heart of cotyledon, apex closed; quality better than Jubai 2, good flavor quality, good taste; anti downy mildew, TuMV, soft rot; Weight 3 5kg, net production of 667m2 50 0 0kg, than the control variety “Jia Bai II” 15% increase; growth period 80 ~ 85d