胡吉峰 陳文龍 張升 羅孝波
摘要:在貴州大學教學試驗農場柑橘園進行了柑橘大實蠅Bactrocera minax ( Enderlein)成蟲食餌配方誘集效果試驗。結果表明:不同配方對柑橘大實蠅誘集效果有顯著差異,其中配方三誘集單日數量和總數量都最高。各配方誘集的雌雄性比差異均不顯著;上餌時間集中在5月24日~7月1日期間,誘集量占9566%,為最佳誘集時期。
關鍵詞:柑橘大實蠅;成蟲;食餌;誘集效果
中圖分類號:Q9581;S4433(273)
文獻標識碼:A
文章編號:1008-0457(2017)02-0066-04國際DOI編碼:10.15958/j.cnki.sdnyswxb.2017.02.014
Abstract:Trapping effect of different formulations to Chinese citrus fly, Bactrocera minax, is conducted in citrus orchards in Guizhou University from May to July in 2015. The results showed that the five different formulations of fruit fly food lures have obvious different trapping effects on Chinese citrus fly. Formulation 3 is the best in trapping the highest daily number and total number. There are no significant differences in the sex ratio of trapped adult females and males among the different formulations. The optimal trapping period was from May 24 to July 1, which trapped 9566% of the total number of flies. Therefore, trapping schedule from mid-May to early July could reduce the larval population density and save labors and time.
Key words:Bactrocera minax;adult;food lure;trapping effect
柑橘大實蠅(Bactrocera minax)屬雙翅目、實蠅科、寡鬃實蠅亞科[1]。其幼蟲名為柑蛆,是國際檢疫性有害生物,在我國多個地區頻繁發生,嚴重制約柑橘生產的發展[2-3]。目前,柑橘大實蠅成蟲防控主要采用樹冠噴藥和掛瓶藥殺。大面積推廣的這兩種防控方法,并未完全杜絕農藥的使用,農藥常常影響引誘效果和污染環境。因加入農藥可抑制味覺感受器而影響昆蟲對嗜好食物的識別,或刺激昆蟲對食物表現出拒食反應的感受器[4-6]。所以開展無公害食餌的研究,對柑橘大實蠅成蟲的綠色防控具有重要的實際意義。本文通過田間試驗,對不同配方和同一配方不同濃度的食餌誘集柑橘大實蠅成蟲的效果進行分析,旨在選出高效、無污染的柑橘大實蠅成蟲食餌配方,以期為柑橘大實蠅的綠色防控技術提供依據。
1材料與方法
11供試材料
111試驗地概況試驗橘園為貴州大學教學實驗農場柑橘園,品種為溫州蜜橘,面積60畝; 土壤為黃壤土,pH值65~67,肥力中等;柑橘栽植密度33m×33m,樹齡20年;……