【摘要】 本文从玉米矮花叶病的初侵染来源、发病症状和抗性遗传特性 ,分析造成山西中部盆地 1998年玉米矮花叶病大发生的原因。通过对玉米育种圃和大田矮花叶病的调查研究 ,提出了抗玉米矮花叶病的 4种育种模式 ,并提出了 4种模式的利用途径和高抗模式的育种目标。更多还原

【Abstract】 This report discused the origination of primary infection,disease symptom and resistant hereditory feature of MDMV.We analysed the cause of MDMV occurred in middle shanxi basin in 1998.Through investigation and study for MDMV in maize breeding nursery and field,we put forwarded four breeding model resistant to MDMV and it’s using approach and breeding target of high resistant model.更多还原