To master the victim situation of garden plants of Nanning undergoing severely rainy and snowy weather, the investigation on different level victim situations of green plants in urban and suburb was implemented after the temperature had gone up steadily and damage had gone. The result showed that 84 out of 141, that was about 59. 6 percent species of garden plants were damaged to some extent. In all of these species, there were 27 species (belong to third or higher level), whose leaves died totally with cold and affected the landscape severely, it was about 19. 1 per- cent of the investigated species. There were 8 species died entirely, about 5. 7 percent of the investigated species. According to these data, this paper analyzed the freezing damage situation, and advanced some suggestions on the introduction and maintenance of garden plant species.

就近年人工驯化栽培的野菜富贵菜黑斑病的病害症状、田间发生情况、病菌形态、病害鉴定方法、以及人工接种发病的病菌特征等进行了系统研究。确诊该病是由链格孢属Alternaria引起的真菌性病害,明确了富贵菜黑斑病病原菌与病害发生的关系及特点,为该病的防治提供科学依据。