Application of capric acid in attracting citrus psyllid and a citrus psyllid attractant
A technology of citrus psyllid and capric acid, which is applied in the direction of attracting pests, applications, biocides, etc., can solve the problem of low attracting efficiency, and achieve the effect of high attracting efficiency, efficient attracting and easy implementation
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Embodiment 1
[0041] Set the solutions of capric acid with a volume concentration of 0%, 0.1%, 1%, and 10%, respectively, wherein 0% is a blank control (that is, mineral oil), and use rubber tubes with the same length at different necks of the four-necked flask to Connect the flavor source bottles with different concentrations of volatile compounds, put 40 adults at the bottom of the four-necked flask at a time, and take the single-necked bottleneck of the four-necked flask as the boundary. Crossing the boundary is considered to be induced, and record every 10 minutes Once the number of citrus psyllids in each bottle and the total amount of citrus psyllids in four bottles, the induction efficiency was calculated. Each experiment was replaced with unused psyllids and repeated three times. The statistics of the results are shown in Table 1. It can be seen from Table 1 that the 10% capric acid solution has better attractivity to citrus psyllids.
[0042] The solution of capric acid of differe...
Embodiment 2
[0045] Use a six-arm olfactometer to compare the attracting effect of a 10% capric acid solution and mineral oil on citrus psyllids, and place a 10% volume concentration of capric acid solution and mineral oil on the two walls of the six-arm olfactometer respectively. oil, the remaining four arms are discarded, and the arm openings are closed. Before the experiment, the air flow rate of each arm of the six-arm olfactometer was set to 80 mL / min. 10 adults were tested in each experiment, and a total of 30 adults were tested, and the tests were carried out one by one. Put the test insects into the olfactometer and observe and record their crawling tracks. The number of times the citrus psyllids entered the selection area of the initial test was recorded as the number of times the corresponding substances entered the area, and the time when the citrus psyllids stayed in the final selection area for 3 minutes was recorded as this area. Corresponding to the final selection times ...
Embodiment 3
[0049] In insect cages with a size of 75*75*90 (cm), combined with yellow boards (size of 15*20cm) to conduct insect trap experiments, the amount of drug coating on each yellow board is about 1mL (can be increased appropriately) . Coat 10% n-decanoic acid on the yellow board, and hang it symmetrically with the yellow board without medicine in the insect cage, and put a plant of Murata in the middle of the insect cage, and put about 20 in total in the insect cage. Only psyllids were lured to psyllids, and the experimental results are shown in Table 3. The experimental results proved that 10% n-decanoic acid has a luring effect on psyllids.
[0050] Table 3 10% n-decanoic acid trap results
[0051] project first day the next day third day control 1 3 6 N-decanoic acid 2 10 12
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