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題 名 | 臺灣地區東方果實蠅之發生及其疫情監測=The Monitoring and Control of the Oriental Fruit Fly in Taiwan |
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作 者 | 黃毓斌; 高靜華; 鄭允; | 書刊名 | 植物保護學會會刊 |
卷 期 | 39:1 1997.03[民86.03] |
頁 次 | 頁125-136 |
分類號 | 433.3 |
關鍵詞 | 東方果實蠅; 密度監測; 甲基丁香油; 滅雄法; Oriental fruit fly; Male annihilation; Monitoring; Geographic information system; Population fluctuation; |
語 文 | 中文(Chinese) |
中文摘要 | 東方果實蠅(Oriental fruit fly, Bactrocera dorsalis Hendel)繁殖能力強,幼蟲潛行蛀食果肉,造成落果,不僅造成農民收益上之重大損失,且為各國水果進出口重要檢疫對象。本省果樹栽培面積大,無法比照日本沖繩地區之防治方法達到絕滅,因此必需藉防治策略之運用,使果實蠅之密度降至經濟為害水準以下,達到防治目的。而密度監測為掌握果實蠅族群動態以實施機動防治之主要工作,現已可藉著電腦軟體之發展以及地理資訊系統之功能,及時顯示果實蠅之分布。經由兩年來果實蠅密度消長資料之分析,本省果實蠅密度自 1994 年革新防治技術以來,已有明顯下降,每年均以6-9月為密度高峰,惟各縣市因地理位置而稍有所差異,其中彰化縣、高雄縣及屏東縣為本省果實蠅發生較嚴重之地區,應列為防治重點區域,並長期監控其族群變化。北部地區雖然果實蠅密度較低,防治上仍應以維持低密度水平,不致造成為害為原則。其它較特殊之地區,如臺東、花蓮及南投縣,則應隨時注意果實蠅動態,適時加強防治,減少大發生之機會。以密度之資訊再分析其相關地理位置及各地寄主水果之產量、產期等資訊,即可發展各地果實蠅族群動態之短期預測模式,同時藉此擬定合理之防治策略,使有限之防治資材,能發揮最大經濟效益。 |
英文摘要 | The oriental fruit fly, Bactrocera dorsalis Hendel, is one of the most important quarantine pests for import or export fruits internationally. The matured femal has high fecundity when the environoment is fit, and the larvae usually bore into pulp and seriously damage the fruits.To understand and control the surge and dynamics of this pest, a population monitoring system combining the geographic information system for easy display of fruit fly spatial distribution in Taiwan has been established. Poupation density data are collected from 61 rational arranged stations in fruit production areas since August 1994, which provide the relation between the regional fruit fly abundance and geographic location. Based on this density index, suitable control strategies can be implemented, hence with limited control resurces to get the best result. A three-year data of 1994 to 1996 revealed an annual decrease in fruit fly population during the winter season, and they peak from June to September. Fruit fly density in Changhua, Kaohsiung and Pingtung are much higher than other counties, and should be considered as most critical areas for the control success. Northern part of Taiwan showed lower fruit fly density than other regions, but the routine control measure is still needed. Relationship between the fluctuation of fruit fly pouplation and host plant production has been studied and concluded for several regions, from which a forecasting model for timing control can be developed. |
本系統中英文摘要資訊取自各篇刊載內容。