楊桃上柑桔葉蟎(Panonychus citri（McGregor))之發生及藥劑防治
Other Title
Seasonal Occurrence and Chemical Control of the Citrus Red Mite (Panonychus citri (McGregor)) on Carambola
Journal
中華農業研究
Journal Volume
37
Journal Issue
1
Pages
100-104
Date Issued
1988-03-12
Date
1988-03-12
Author(s)
溫宏治
Hung-Chich Wen
Abstract
柑桔葉蟎（Panonychus citri（McGregor））為本省南部楊桃普遍發生之害蟎。全年均有發生，於乾旱季節（10～1月及4～5月）發生最嚴重。發現其天敵有羅氏小黑瓢蟲（Stethorus loi），鄭氏小黑瓢蟲（Stethorus chengi），小黑隱翅蟲（Oligota ovifo-rmis），長毛捕植蟎（Amblyseius longispinosus）及草蜻蛉（Chrysopa boninensis），其中以羅氏小黑瓢蟲出現頻度較高，田間以10種殺蟎劑試驗結果以新殺蟎25％乳劑（2,000倍）防治本蟎效果最為優異，其次為大克蟎42％乳劑（2,000倍）、芬佈賜50％乳劑（3,000倍）及殺蟎多55％乳劑（2,000 倍）。
Citrus red mite (Panonychus citri (McGregor)), is one of the destructive pests on carambola in the southern part of Taiwan and occurs all year round, especially during the dry seasons, (From October to January and April to May). Five natural enemies of the citrus red mite were recorded on carambola. Stethorus loi considered as the dominant species for its of frequent occurrence.
Ten miticides were tested in the field against citrus red mite. Results indicated that Brornopropylate 25% EC was the most effective chemical to control this mite. Dicofol 42% EC, Butocarboxin 50% EC and Smite 55% EC were the effective ones.
Publisher
農業試驗所
Type
journal article
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