云南省蚕豆种植面积位居全国前列，１９９８年全省蚕豆种植面积２２．４万ｈｍ２，平均产量１２７．０５ｋｇ／６６７ｍ２［１］。近年由于细菌性茎疫病［Ｐｓｅｕｄｏｍｏｎａｓ　ｆａｂａｅ（ＴＦＹｕ）］［２］的发生危害，特别是蚕豆茎疫病发病株枯死，发病率几乎等于损失 The area under broad bean cultivation in Yunnan Province ranked the forefront of the country. In 1998, the area under broad bean cultivation in the province was 224,000 hm2 with an average yield of 127.05kg / 667m2 [1]. In recent years due to bacterial Phytophthora blight [Pseudomonas fabae (TFYu)] [2] the occurrence of damage, especially Vicia faba disease withered dead, the incidence rate is almost equal to the loss