同心圆枣病虫害种类调查
Investigation on the Species of Disease and Pest Infesting on the Tongxin Jujube

为合理防控同心圆枣主要病虫害，2013-2015年对同心圆枣主要种植区病虫害发生种类、发生时间及危害程度进行调查。采用系统调查方法，4月-10月每10～12 d调查1次。经3 a调查，共发现同心圆枣病虫害27种，其中，病害1种，虫害25种，害螨1种；病害为真菌性病害——枣叶斑病，虫害分别隶属4目20科，害螨为枣叶壁虱。综合表明，同心圆枣病虫害种类繁多，生产中需重点防控的种类为枣瘿蚊（Dasineura datifolia Jiang）、桃小食心虫（Carposina sasakii Matsumura）、枣叶壁虱（Epitrimerus zizyphagus Keifer）、东方绢金龟（Serica orientalis Motschulsky）和枣叶斑病（匍柄霉菌Stemphylium spp.）等。
In order to rational control disease and pest infesting on the tongxin jujube,the species,occurrence time, damage degree of the disease and pest were systematically investigated in main growing areas of tongxin jujube during 2013-2015.The survey was carried out once every 10-12 days from April to October by systematic investigation.The results showed that there were 27 species of diseases and pests infesting on the tongxin jujube.Among them,there was 1 fungal disease,namely leaf spot disease;there were 25 insect species belonging to 4 order,20 families; there was 1 harmful mite,namely Epitrimerus zizyphagus Keifer.Taken as a whole，the results indicate that there were abundant diseases and insect pests infesting on the tongxin jujube,Dasineura datifolia Jiang,Carposina sasakii Matsumura,Epitrimerus zizyphagus Keifer,Serica orientalis Motschulsky and leaf spot disease of which were the target pests for control in jujube production.