论文部分内容阅读
桃树穿孔病是大棚温室油桃生产上的主要病害之一。穿孔病分为细菌性穿孔病,真菌性霉斑穿孔病和真菌性褐斑穿孔病等三种,而以细菌性穿孔病危害最甚。在多雨年份,排水不良,湿度大或红蜘蛛多时发生严重,常引起早期落叶,新梢枯死,削弱树势,降低果品的产量和质量,近年来在油桃产区,年年都有发生,2002年发生面积达333余公顷,发病率达30％～40％,严重制约了桃树的经济效益。
Peach perforation disease is one of the main diseases in greenhouse greenhouse nectarine production. Perforated disease is divided into bacterial perforation, fungal mold fungal perforation and fungal brown spot perforation and other three, but the most harmful to bacterial perforation. In the wet years, poor drainage, humidity or spider mites often serious, often lead to early deciduous, dead shoots, weaken the shores, reducing fruit yield and quality, in recent years in the nectarine area, occur every year, Occurred in 2002 an area of 333 hectares, the incidence of 30% to 40%, seriously hampered the economic benefits of peach trees.