我国粮食作物育种喜人我国农业科技攻关重点课题“主要粮食作物新品种选育技术研究”取得丰硕成果，育成并通过审定符合合同任务指标的品种有２０７个。正在参加各省市级区试的新品系、新组合２５０多个。育成品种在产量上比以往品种有较大提高，在品质、综合农艺性状、抗... China’s gratifying food crop breeding China’s agricultural science and technology research key project “main varieties of food crops breeding technology research” has achieved fruitful results, bred and approved by the contract task indicators of 207 varieties. More than 250 new strains and new combinations are being participated in the provincial and municipal examination. Bred varieties in the yield than the previous varieties have greatly improved in quality, comprehensive agronomic traits, resistance ...