The pests and diseases that should be prevented when planting corn include stem rot, large and small spots, streak blight, rust, physiological diseases, corn borer, sticky insect, ground tiger, aphids, red and yellow spider, rough shrinkage disease, black sputum, root rot, standing blight, grub, golden needle insect, mole cricket, gray planthopper, blue wilt, ear rot, stem base rot, crazy top rot, top rot, tumor powder disease, silk black sputum, fall armyworm, fall armyworm, two-point sputum, twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill twill tw

北部弹簧式的玉米区域侧重于预防和控制玉米虫，双斑的长斑点塔氏叶叶关节节，地下害虫，第二代和第三代粘性昆虫，大点疾病，茎腐病，玉米线虫腐烂，玉米线虫dwarf dwarf病和灰点疾病。黄伊海的夏季播种玉米区域集中于预防和控制秋天的军虫，玉米虫，棉花虫，第二代粘性昆虫，玉米蚜虫，两点鳞茎，th虫，茎腐烂，南部锈病，棕色斑点，棕色点病，牙齿斑点疾病，小斑点病，小斑点疾病，小小的疾病，发红的疾病。西南山区和丘陵玉米区域侧重于预防和控制秋天的军虫，玉米虫，第二代和第三代粘性昆虫，条纹疫病，大斑点病，灰色点病和耳朵腐烂。西北玉米区域集中于预防和控制地下害虫，玉米蚜虫，叶子螨，玉米虫，双斑的长刺的tarsy tarsy叶叶关节节，茎腐和大斑点。

在玉米种植期间可能面临的三种主要疾病和两个主要害虫是玉米肿瘤粉，玉米丝痰，玉米锈，玉米虫和深甲虫。玉米虫钻入玉米植物，在叶子上引起孔的孔，在植物阶段寄宿，营养物的递送被阻塞，而玉米狼bac则分组聚集以侵蚀玉米茎，从而导致整个植物破裂。玉米的主要疾病和害虫极大地影响了玉米的产量和质量。