清涧县枣树生物灾害调查与分析

对清涧县危害枣树的有害生物进行了调查分析。结果表明，在清涧危害枣树的主要有害生物有3大类:有害动物主要有野兔（Lepus sinensis)、达乌尔鼠兔(Ochotona daurca)、甘肃鼢鼠（Myospalax cansus）、中华鼢鼠（Myospalax fontanierii）；危害枣树的昆虫有48种，螨类有2种；病原微生物有植原体、真菌和细菌。其中，枣飞象在东部沿黄枣区发生严重，绿盲蝽在西部枣区发生严重，枣缩果病在大果型的鲜食枣上发生重于其他制干品种。2012年锈病流行，造成大量落叶。提出了相应的防控对策。

Investigation on the Biological Damages Jujube in Qingjian County

Pests occurring on jujube trees were investigated in Qingjian County, Shaanxi, China. It was found that there existed 3 categories of pests on jujube trees. The first one was harmful animals, including Lepus sinensis, Ochotona daurca, Myospalax cansus and Myospalax fontanierii. The second was insects and mites, including 48 species of insects and 2 species of mites. The third was germs, including 1 specie PLO, 1 specie of bacteria, and 8 species of fungi. Scythropus yasumatsui seriously occurred in the east part of the county along the Yellow River. Lygus lucorum however, was found in west part of the county. The disease that caused shrieked fruit seriously occurred in freshly consuming cultivars. Some suggestions for pest management were put forward.