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頁籤選單縮合
題名 | 嘉義地區荔枝園荔枝細蛾與東方果實蠅危害調查=Investigation of Fruit Damages of Litchi Caused by Conopomorpha Sinensis Bradley and Bactrocera Dorsalis (Hendel) in Chiayi |
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作者姓名(中文) | 洪士程; 何坤耀; 陳健忠; | 書刊名 | 臺灣農業研究 |
卷期 | 57:2 2008.06[民97.06] |
頁次 | 頁143-152 |
分類號 | 435.344、435.344 |
關鍵詞 | 荔枝; 荔枝細蛾; 東方果實蠅; 危害; Litchi; Conopomorpha sinensis; Bactrocera dorsalis; Damage; |
語文 | 中文(Chinese) |
中文摘要 | 2004年嘉義農試分所,在嘉義地區實施荔枝園之荔枝細蛾與東方果實蠅之危害調查。不同荔枝品種在施藥防治區與未施藥區,受荔枝細蛾(Conopomorpha sinensis Bradley)之被害果率,各爲7.5-47%與88.5%。有實施防治之黑葉、糯米糍及71-3-13等荔枝品種較具抵抗性,黑葉品種在不同果實期,受細蛾危害之比率維持在8-16.5%間。在施藥區及未施藥區樹上果之荔枝細蛾,平均危害率,分別爲29.2%及60.7%,而東方果實蠅[Bactrocera dorsalis (Hendel)]之危害率則分別爲2.6%及12.1%,由上因施藥可使樹上果實,顯著降低兩種害蟲之危害,因在5-6月間,東方果實蠅族群已進入高峰期,此時落果受其危害最高可達35.3%。已確定在成熟之荔枝果實上,只要有細蛾蛀孔,就可能會被果實蠅產卵危害,所以於果實期,若能做好荔枝細蛾之防治,即能同時降低東方果實蠅的危害。另外,以性費洛蒙大量誘殺或寄生蜂(Phanerotoma sp.)綜合防治荔枝細蛾之功效並不佳。 |
英文摘要 | Results of a survey of litchi orchards in Chiayi in 2004 showed that damaged fruits of different varieties of litchi (Litchi chinensis Sonn.) caused by fruit borer Conopomorpha sinensis were 7.5-47% and 88.5% for the areas (in Black-leaf, Nome, 71-3-13, 71-3-15, and 77-S-3 treatments) of pesticide-spray and unspray control, respectively. Litchi varieties Black-leaf, Nome and 71-3-13 sprayed with Deltamethrin were more resistant to fruit borer, with damaged fruits of 8-16.5% (in Black-leaf), compared to 88.5% for the unsprayed control. For all surveyed areas, the average of damaged fruits caused by C. sinensis was 29.2% and 60.7% for pesticide-sprayed and unsprayed areas, respectively, whereas the average of damaged fruits caused by the Oriental fruit fly Bactrocera dorsalis was 2.6% and 12.1% for pesticide-sprayed and unsprayed areas, respectively. Thus, the survey reveals that chemical spray of litchi is effective in reducing fruit damages caused by C. sinensis and B. dorsalis. Another study showed that C. sinensis caused upto 35.3% of damages of litchi fruits which were ripened and fallen on the ground during the peak period of population increase of this insect in May and June. Any probing injury of ripening fruits of litchi by fruit borer could create a potential site for B. dorsalis to lay eggs. Therefore, control of fruit borer may be effective in reducing fruit damages by Oriental fruit fly. Results of another survey in 2006 and 2007 showed that neither sex pheromone for trapping male insects nor parasitic wasps (Phanerotoma sp.) was effective method for control of fruit borer in litchi orchards. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。