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瓜實蠅食物誘引劑之誘殺效果篩選試驗
Screening of Food Attractant on the Killing Effect of Bactrocera cucurbitae Cog.
摘要
瓜實蠅為本省瓜果類蔬菜重要害蟲之一，幼蟲於果皮內蛀食果肉，防治困難。本試驗針對其成蟲期，以寶特瓶分別盛裝不同廠牌之芭樂汁、流連蛋白質水解物及克蠅溶液，於苦瓜園進行誘殺試驗結果，對於瓜實蠅雌蟲以25%香吉士及綠洲芭樂汁，每個誘蟲器之一天之平均分別誘殺20.75隻及20.38隻最多，與其他處理間呈顯著差異；對於雄蟲則以95%克蠅溶液平均誘殺60.5隻最多。以香吉士及綠洲芭樂汁分別添加24%納乃得液劑、58%乃力松乳劑及33%福木松乳劑，進行不同殺蟲劑誘殺試驗結果，以綠洲芭樂汁添加乃力松乳劑500倍平均誘殺35.44隻最多。以綠洲芭樂汁、流連蛋白質水解物10倍、100倍、香瓜精及新鮮番石榴果實進行誘殺試驗結果，對於雌蟲以綠洲芭樂汁，每天平均誘殺27.67隻較多，與其他處理間呈顯著差異。以香吉士芭樂汁分別放入不同型式誘殺器進行誘殺試驗結果，對於雌蟲以寶特瓶平均每天誘殺3.96隻較多；對於雄蟲以傳統式白色誘蟲器平均每天誘殺24.29隻較多。綜合上述結果，建議於瓜果開花結果期，選用芭樂汁放入寶特瓶誘殺器同時誘殺雄蟲及雌蟲，再配合果實早期套袋，以減少瓜實蠅危害損失。
並列摘要
Bactrocera cucurbitae Cog. is one of the most important insect pests on Cucurbit vegetable crops in Taiwan. The larva habitated inside the flesh, checimal control is very difficult. The screening experiment was used PE bottle filled with different brands of guava juice, durian protein extract and Cue-lure solution as attractant, and place in the bitter gourd orchard. The result showed that the daily average attracting number of female melon fly by 25% Sunkist and Oasis guava juice is the highest among treatments, which is 20.75 and 20.38, respectively. The difference is significant among treatments. The 95% Cue-lure solution attracted more male melon fly than other treatments, Which is 60.5. The Sunkist and Oasis guava juice added 24% Methomyls., 58% Naled E.C. and 33% Formothion E.C. separately to test the attracting effect of insecticides on melon fly. The result indicated that the Oasis guava juice added with Naled 500 times att racted the most melon fly among treatments, which is 35.44. The results of using Oasis guava juice, durian protein extract 10 and 100 times, melon juice and fresh guava fruit as melon fly attractants showed that the Oasis guava juice attracted more female melon fly than other treatments, which is average 27.67 per day. The difference between treatments is significant. The Sunkist guava juice added into different types of insect trap to test the effect of melom fly attracting. The result indicated that the PE bottle daily average attracted female melon fly number is the highest among treatment, which is 3.96. The traditional white color insect trap attracted more male melon fly than other treatment, which is 24.29 per day. From the above results, it is recommended that using PE bottle added with guava juice could attract male and female melon fly at blooming and fruitsetting stages combined with fruit bagging practice to reduce the loss and damage caused by melon fly.