蔬菜害蟲黃條葉蚤誘殺技術改進試驗

黃條葉蚤對七種不同顏色粘板之偏好試驗，從試驗結果發現黃條葉蚤對黃色最喜好，較對照組約高2.27倍之誘殺效果，然而綠色及對照組最不具誘引性。幾種氣味化合物對黃條葉蚤之誘殺試驗方面，實驗結果發現在供試化合物中以異硫氰酸丙烯酯（allyl-isothiocyanate）誘集效果最佳，較對照組高12.88倍，次為異硫氰酸乙烯酯（ethyl-isothiocyanate）及芥子油（mustard oils）分別增加4.80倍及3.44倍誘集效果，較差者為異硫氰酸苯烯酯（benzyl-isothiocyanate）亦為1.20倍。另外為確定異硫氰酸丙烯酯在多少濃度時會有誘集效果，乃將其各級濃度添加於黃色或藍色粘板上進行誘集力測定，實驗結果發現異硫氰酸丙烯酯稀釋為1%濃度添加於黃色粘板上與其他濃度間有顯著差異，較對照組高2.68倍之誘殺效果；但若添加於藍色粘板上則沒有顯著差異。

關鍵字

黃條葉蚤；誘殺資材；氣味化合物

並列摘要

Preference studies were conducted to determine which kind of trap was the most effective to catch the flea beetle, Phyllotreta striolata(Fab) from seven color sticky traps. The results indicated that the yellow sticky trap could capture about 2.27 times of ilea beetles more than the blank one. However, green sticky and the blank traps were the least attractive efficiency. The attractive test was carried on from several volatile chemicals combined with yellow sticky trap against the flea beetle. Our results showed that the trap with allyl-isothiocyanate could capture the greatest number of Phyllotreta striolata(Fab), while compared with a commercial yellow sticky trap, the attractive ratio for the yellow sticky trap with allyl-isothiocyanate was over 12.88 times, and next good attractive ratios were 4.80, 3.44, and 1.20 folds for ethyl-isothiocyanate, mustard oil and benzyl-isothiocyanate, respectively. On the other hand, a serial concentration of allyl-isothiocyanate such as 0.5, 1, 10, 20, 40, 80, and 100% on yellow or blue sticky traps were also determined their attractive efficiency to catch the Ilea beetle. The results indicated that the 1% allyl-isothiocyanate combined with yellow trap had the most attractive efficiency, it could capture 2.68 folds of beetles more than the blank one, but it didn't have the same result when the 1% allyl-isothiocyanate with blue traps were used in this experiment.

並列關鍵字

Phyllotreta striolata(Fab) ； yellow sticky trap ； volatile chemicals

國際替代計量

蔬菜害蟲黃條葉蚤誘殺技術改進試驗

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