今年6月19日,一植保专家与我讨论黄淮海地区的玉米育种状况,我们认为,中国的玉米品种可能要出问题。最近几年,国家在黄淮海地区审定的玉米品种基本上感染茎腐病,生产上存在较大风险。区域试验鉴定品种的抗病性,但只淘汰高感病品种,感病品种也能通过审定。长期积累,给生产埋下隐患。例如 On June 19 this year, a plant protection expert discussed with me the status of maize breeding in the Huang-Huai-Hai region. In our opinion, the maize varieties in China may have problems. In recent years, the maize varieties examined and approved by the state in the Huang-Huai-Hai region are basically infected with stalk rot, and there is a big risk in production. Regional trials identified varieties of disease resistance, but only out of high susceptible varieties, susceptible varieties can also be validated. Long-term accumulation, laying a hidden danger to production. E.g