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优质高产抗病新品种秦单４号，生产试验单产８２９５ｋｇ／ｈｍ２，大面积生产示范产量９１９０ｋｇ／ｈｍ２。高抗小斑病、丝黑穗病、茎腐病，商品性好。
High-quality and high-yielding disease-resistant new variety Qin Dan 4, production test yield 8295kg / hm2, large-scale production demonstration yield 9190kg / hm2. High resistance to small spot disease, smut, stalk rot, good commodity.