In vitro Screening of Resistant Potato Clones to Late Blight with Crude Phytophthora infestans Toxin Clone and development of RAPD and CAPS markers of Ph-3 gene resistant to Phytophthora infestans Identification of Physiological Races of Phytophthora infestans on Tomato inEighteen Provinces of China Physiological Reactions of Tomato after Late Blight Inoculation Broad Spectrum Resistance from Rpi-blb1 Homologous R-genes Has BeenBroken by Phytophthora infestans Isolates Collected from Solanumstoloniferum Broad Spectrum Resistance from Rpi-blb1 Homologous R-genes Has BeenBroken by Phytophthora infestans Isolates Collected from Solanumstoloniferum Overexpression of the Potato Late Blight Resistance Genes RB and R3a and Identification of Domains Required for Recognition Specificity of R3a Study on Signal Pathways of The Potato Late Blight Resistance Gene R3a, RB Using VIGS Homology analysis of tomato RGA4 and potato Rpi-blb1 protein Discovery and identification of homology gene to Rpi-blb2 in tomato(Solanum lycopersicum) Identification of Physiological Races of Phytophthora infestans on Tomato inEighteen Provinces of China The Strategy to Control Potato Late Blight by Transgenic Technology Isolation of NBS-LRR Late Blight Resistance Genes from Potato BAC Library by System of Magnetic Separation A New Tomato Hybrid‘Wanxia’Resistant to Tomato Late Blight