The department consists of 3 research groups of vegetable diseases, pest control and integrated disease management. It focuses on pathogen functional genomics, differentiation of physiological strains and pathogenesis mechanism of predominant pathogens and insect pests on vegetable and flower crops. Explore and application of insect and disease resistance genes and genetic engineering in vegetable germplasm resources. Deciphering biology, ecology and integrated management of vegetable and flower insect pests and studying the corresponding basic and application technology. Rapid diagnosis of diseases and pests on horticultural crops. Early warning and control technology of invasive pests.