| The control of fruit fly is the key and difficulty in the watermelon plantation management and the trap by sex or nutrition attractant still is the most important method against it currently. The dominant species of fruit fly in the watermelon field was Bactrocera dorsalis which accounted for about 60% and B.cucurbitae followed, according to the investigation presented in this paper. A novel nutrition attractant named Shiyingke contained 0.05% abamectin could trap various fruit flies effectively by 1~10 times diluents and got the effectiveness more than 80% after 42d treatment under the conditions of change twice the nutrition attractant every 7 days
consecutively, which is superior to the physical adhesives commonly used in watermelon plantation. All these results indicated that the nutrition attractant Shiyingke could meet the requirement for control fruit fly and should be deserved to development further. |
