辣椒是我市大宗蔬菜作物，近年来种植面积在５０００ｈｍ２以上，年产青椒１０万ｔ左右，主要销往苏南及上海等大中城市，是我市广大农民经济收入的主要来源之一。但是，随着种植年限的延长及重茬面积的增大，病害发生越来越重，尤其“三落”（即落叶、落花蕾、落果）病害发生 Pepper is a staple vegetable in our city. In recent years, its acreage is more than 5000hm2 and annual output of green pepper is about 100,000 tons. It is mainly sold to large and medium-sized cities such as Sunan and Shanghai. It is one of the main sources of economic income of the majority of farmers in our city. However, with the extension of planting years and the increase of stubble area, the occurrence of diseases is more and more serious, especially the diseases of “three falling” (that is, deciduous, falling buds and falling berries)