藥毒所99年報

56 圖 45. 葡萄園經處理薊馬警戒費洛蒙之防治效果。 Fig. 45. Rate of harvest grapes infested by thrips controlling with alarm pheromone of thrip at grape yards. 圖 46. 利用短距離果實蠅誘餌監測果實蠅在大量誘殺區及慣行防治區之發生情形。 Fig. 46. Monitoring with short distance lure of oriental fruit flies, Bactrocera dorsalis in mass trapping orchards and in traditional insecticidal control orchards. 24.9 35.9 34.2 31.7 33.9 57.9 49.7 47.2 0 10 20 30 40 50 60 70 Farmer-1 Farmer-2 Farmer-3 Mean Infested rate (%) Alarm pheromone CK 0 1 0 0 2 0 0 3 0 0 4 0 0 5 0 0 6 0 0 7 0 0 2 2 -F eb -0 8 1 2 -A p r-0 8 1 -J u n -0 8 2 1 -J u l-0 8 9 -Sep -0 8 2 9 -O ct -0 8 Date M ass trap p ing o rc ha rds Tra d itio nal insec tic id e co ntro l o rcha rd s Fruit fly trapped/month 2 0 0 8 0 2 0 0 4 0 0 6 0 0 8 0 0 1 0 0 0 1 2 0 0 1 4 0 0 1 6 0 0 2 0 -J an -0 9 2 0 -M ar-0 9 2 0 -M ay -0 9 2 0 -J u l-0 9 2 0 -Sep -0 9 2 0 -N o v -0 9 D a te Fruit fly trapped/month 2 0 0 9