玉米新病害及防治对策（下）辽宁省植物保护站３玉米新病害的防治对策指导思想是，合理布局抗病品种，培肥地力，科学种植和管理，促进壮苗早熟，及时进行药剂防治。因地制宜选抗病杂交种，合理布局。尽管目前生产中种植的主要杂交种抗性不强，但品种间感病程度存在差异... New Diseases of Corn and Countermeasures for Prevention and Treatment (Ⅱ) Plant Protection Station of Liaoning Province 3 Prevention and Cure Measures for New Diseases of Maize The guiding ideology is to rationally lay out disease-resistant cultivars, fertilize fertility, plant and manage scientifically, promote seedling precocious puberty and timely control of pesticides . Due to local conditions selected disease-resistant hybrids, rational distribution. Although the resistance of the main hybrids grown in production is not strong at present, there are differences in the degree of susceptibility among varieties ...