1College of Horticulture，Shenyang Agricultural University，Shenyang 110161,Liaoning,China；2Vegetable Research Institute，Liaoning Academy of Agricultural Sciences，Shenyang 110161,Liaoning,China
Abstract：This paper summarized the internal and external research progress made in tomato late blight in recent years，including the study of Phytophthora infestans，screening and identification of disease resistant resources，mechanism of disease resistance and molecular biology，and prospected the research emphasis and direction in the future.
