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中文摘要：
在云南省瑞丽市进行了柠檬园红蜘蛛的消长规律及药剂防治研究。结果表明：柠檬红蜘蛛主要在11月至次年1月发生，其发生量在1月中旬达到高峰（2500～3000头/株）；红蜘蛛在树冠北方、南方的发生量较多；柠檬园红蜘蛛的发生和为害与温度、湿度、食料、施肥、施药等因素关系密切；在7种供试药剂中，以4％螺螨酯悬浮剂、1．8％阿维菌素乳油和73％炔螨特乳油对红蜘蛛的防治效果较好，且对柠檬的嫩梢、花和幼果安全无害。
英文摘要：
The growth and decline law and chemical control of Panonychus citri in lemon orchard are studied in Ruili city , Yunnan province .The results indicate that Panonychus citri occurs mainly from November to the next January , and its population density reaches a peak （25003000 heads per plant） in middle January;the occurrence quantity of this mite is more in the north and south of lemon crown;the occurrence and damage of Panonychus citri in lemon orchard are closely related with temperature , hu-midity, food, fertilization, chemical control and so on;among the tested 7 kinds of pesticides, 4%Spirodiclofen SC, 1.8%Abam-ectin EC and 73%Propargite EC have better control effects on Panonychus citri, and they are safe and harmless to the young shoots , flowers and young fruits of lemon .
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