Longan pest and disease damage prevention and control method

The invention discloses a longan pest and disease damage prevention and control method. The method includes the steps that transplanting pretreatment is conducted, corresponding management steps are set in the transplanting and field planting period, the fruit seedling germination period, the flowering and fruiting period and the fruit harvesting post-management period according to the growth law of longan, damage by insects is prevented in advance, resistance of longan trees to multiple types of diseases, particularly root rot, anthracnose, maladie du dragon jaune and capnodium mangiferae P. Henn, roots are promoted, seedlings are protected, fruit tree leaf blades are bright, harvested longan fruit surfaces flash, overall quality is excellent, the yield is high, and the method is suitable for agricultural popularization. 本发明公开了种龙眼病虫害的防治方法，该方法通过移栽前处理，并根据龙眼生长的规律，在移栽定植期、果苗萌芽期、开花结果期及果实采收后管理的时期，均设置了相应的管理步骤，做到了提前预防虫害，增强龙眼树对多种病害尤其是对根腐病、炭疽病、黄龙病和烟煤病的抵抗能力，促根保苗，果树叶片亮丽，收获的龙眼果面闪光着色，整体品质优良，产量高，适合农业推广。