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长孔点肋甲螨发生消长的研究
引用本文:杭三保,陆自强,朱国家,高海涛. 长孔点肋甲螨发生消长的研究[J]. 植物保护学报, 1991, 18(2): 173-176
作者姓名:杭三保  陆自强  朱国家  高海涛
作者单位:江苏农学院植物保护系, 扬州,江苏农学院植物保护系, 扬州,江苏省响水县植物保护站, 响水,江苏省响水县植物保护站, 响水
摘    要:长孔点肋甲螨主要在稻桩内越冬。雨水对该螨的冲刷作用可达80%。不同耕作措施对该螨的发生有很大影响,该螨在不同耕作田内的发生量为:免耕田 > 旱旋田 > 水旋田 > 旱旋水耙田 > 深耕田。该螨在不同水稻品种上的发生量也有差别,杂交稻(汕优63)上发生的螨量比粳稻(花寒早)上要高出20%。此外,该螨在7月上旬水稻分蘖期发生量达到高峰。

关 键 词:长孔点肋早螨 发生消长 水稻 害虫

STUDIES ON THE POPULATION DYNAMICS OF PUNCTORIBATES LONGIPOROSUS BALOGH
Hang Sanbao,Lu Ziqiang,Zhu Guojia and Gao Haitao. STUDIES ON THE POPULATION DYNAMICS OF PUNCTORIBATES LONGIPOROSUS BALOGH[J]. Acta Phytophylacica Sinica, 1991, 18(2): 173-176
Authors:Hang Sanbao  Lu Ziqiang  Zhu Guojia  Gao Haitao
Affiliation:Department of Plant Protection, Jiangsu Agricultural College, Yangzhou,Department of Plant Protection, Jiangsu Agricultural College, Yangzhou,Plant Protection Station of Xiangshui County, Jiangsu Province and Plant Protection Station of Xiangshui County, Jiangsu Province
Abstract:The population of Punctoribates longiporosus Balogh,a species of Mycobatidae abundant on paddy rice since 1970s in Sichuan and Jiangsu Provinces,mainly overwinters in rice stubbles.80% of the mite pests can be washed away by rainfall.Its population density varied with different farming systems.The mite density sequence in the fields with different cultivations are as follows,non-tillage field > dry rotary-culti-vated field > water rotary-cultivated field > dry rotary-cultivated+wa-ter-harrowed field > deep ploughed field.There are also differences between the mite densities on different rice varieties.The mite population in hybrid rice(Shun You 63) field is 20% higher than that in non-waxy rice(Hun Han Zao) field.The density peak occurrs in the early July.
Keywords:Punctoribates longiporosus  population dynamics
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