A kind of attractant for Drosophila melanogaster and its application
A technology of attractant and fruit fly, applied in the direction of attracting pests, application, biocide, etc., can solve the problems of affecting fruit yield and quality, poor physical control effect, and environmental pollution of pesticides, etc., to achieve good economic benefits and Environmental benefits, good attracting effect, and the effect of controlling the population density of pests
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Embodiment 1
[0034] Embodiment 1 screens the attractant component formula of field trapping test
[0035] Isoamyl acetate and ethyl palmitate, the volatile components of grapes, were formulated to attract different concentrations of D. Add it to slow-release plastic vials (length 3cm, diameter 1cm, bottleneck diameter 0.15cm (Beijing Zhongjie Sifang Co., Ltd.), each bottle ... g, to make a Drosophila melanogaster lure core. The five matching ratios are treatment one, treatment two, treatment three, treatment four, and treatment five.
[0036] Put the Drosophila melanogaster trap into the central hollow of the blue sticky board. The shape of the blue sticky board is rectangular, with a side length of 25*20cm; it forms a trap for Drosophila melanogaster, and the grapes mature in August Recently, trapping experiments were carried out at the Langfang Scientific Research Pilot Base of the Institute of Plant Protection, Chinese Academy of Agricultural Sciences, and the ratio of components with ...
Embodiment 2
[0039] Embodiment 2, optimal color screening of sticky insect board
[0040] According to the method of Example 1, adopt isoamyl acetate and ethyl palmitate 1:1 to make the lure of Drosophila melanogaster, combine the lure of Drosophila melanogaster with color boards (sticky insect board) of different colors to make black Belly fruit fly trap. The sticky insect board color selection is white, red, blue, black, green and yellow, and the sticky insect board color is different, and other methods are the same as embodiment 1. Each trap is randomly hung in the vineyard, the height is as high as the grape ear, and the distance between the trap and the trap is 5 meters. At 1, 4, and 7 days after the trap was hung, the cumulative population of Drosophila melanogaster on the color plate was statistically investigated.
[0041] The result is as figure 2 As shown, the test results show that the combination of the lure core and the blue color plate has the best trapping effect on Dros...
Embodiment 3
[0042] Embodiment 3, research on the duration of the lure of Drosophila melanogaster
[0043] Adopt isoamyl acetate and ethyl palmitate 1:1 to make fruit fly lure core, lure core and blue color plate are combined to make fruit fly trap, method is the same as embodiment 1. repeat three times. Each trap is randomly hung in the vineyard, the height is as high as the grape ear, and the distance between the trap and the trap is 5 meters. After the traps were hung, the number of Drosophila melanogaster populations trapped by the swatches on days 1, 2-4, 5-7, 8-10, 11-14, and 15-18 were investigated respectively.
[0044] The result is as image 3 As shown, the test results show that after hanging for 10 days, the trap still has a good trapping effect on Drosophila melanogaster, indicating that the attractant has a long duration.
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