辽宁省榛黄达瘿蚊种群动态和防治适期研究  

Studies on population dynamics and optimum control period of Dasinura corylifalva in Liaoning Province

作　　者：李维根 姜策 陈静 马海军 孟威 高萍[2] 王洪平[2] LI Weigen;JIANG Ce;CHEN Jing;MA Haijun;MENG Wei;GAO Ping;WANG Hongping(Liaoning Green Agricultural Technology Center,Shenyang 110034;School of plant protection,Shenyang Agricultural University)

机构地区：[1]辽宁省绿色农业技术中心,沈阳110034 [2]沈阳农业大学植物保护学院

出　　处：《中国果树》2021年第2期36-39,共4页China Fruits

摘　　要：为明确生产上防治榛黄达瘿蚊的防治适期和防治指标,提高化学防治榛黄达瘿蚊的农药利用率,连续3年实地调查了田间榛黄达瘿蚊的虫瘿增量和累积量,对种群数量动态和代表空间分布型的聚集度指标进行了数据处理与分析。结果表明,平榛园榛黄达瘿蚊危害造成的虫瘿数量变化呈单峰型曲线,空间分布型初期呈稀疏的泊松分布,后来趋近于不均匀的核心分布或嵌纹分布,以聚集分布为主要的分布状态,数量少时以个体为单位存在,而数量较多时则以个体群形式存在。榛黄达瘿蚊产卵前期的末期是成虫防治的最佳防治适期,虫瘿率达到10%即为防治指标。In order to confirm optimum control period and economic threshold of Dasinura corylifalva,improve the utilization rates of pesticides and promote the healthy development of hazelnut industry.Based on the field survey and analysis of the increment and accumulated number of galls on the leaves of hazelnut in three years.The result showed that the change of the number of galls presents a single-peaked curve.The spatial distribution pattern of Dasinura corylifalva is sparse Poisson distribution,and it tends to the core distribution or mosaic distribution in he field.The optimum control period of adults of Dasinura corylifalva is the end of preoviposition duration and the economic threshold is 10%of galls.

关 键 词：榛黄达瘿蚊 虫瘿增量 虫瘿累积量 防治适期 

分 类 号：S436.6[农业科学—农业昆虫与害虫防治]