Mating disruption agent for phthorimaea operculella and application of mating disruption agent
A technology of potato pieces and orienting agent, applied in application, biocide, animal repellent, etc., can solve the problems of unsatisfactory chemical control effect, pest resistance, destruction of ecosystem, etc., and achieves long duration of effective disturbance. , the effect of strong autonomy and strong interference
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[0024] The preparation method of the potato tuber moth sex pheromone lure core is as follows:
[0025] Step 1, trans-4, cis-7-tridecadien-1-ol acetate and trans-4, cis-7-tridecatrien-1-ol acetate of the sex pheromone component of potato tuber moth After the ester is fully mixed at a mass ratio of 4:1, it is fully mixed with one or two potato pheromone analogs according to the application ratio.
[0026] Step 2. The mixture obtained in step 1 was dissolved in n-hexane, and the prepared n-hexane pheromone solution had a concentration of 1000 μg / mL.
[0027] Step 3. Add 2 mL of the pheromone solution obtained in step 2 dropwise onto the blank rubber lure, and the dose of pheromone contained in the obtained potato tuber moth sex pheromone lure is 1200 μg / lure. In the test, the potato tuber moth sex pheromone lure described in the combined lure is that about 1 mL of the solution obtained in step 2 is added dropwise to the blank rubber lure, and the obtained potato tuber moth sex p...
Embodiment 1
[0029] Embodiment 1 field bioactivity assay test
[0030] When the trapping test is carried out in the field, the potato tuber moth tropism lure core or the potato tuber moth sex pheromone lure core is fixed on the moth general-purpose trap. CK1 is a blank control without potato tuber moth lures or potato tuber moth sex pheromone lures; CK2 is a control with potato tuber moth sex pheromone lures only; X1 and X2 groups are single-component pheromone analogs Treatment of lures; groups 01 to 09 were treatment of potato tuber moth lure lures containing a single component; three replicates were set up for each treatment, arranged randomly, and the interval between two adjacent traps was 15-30m. From the next day after the setting, the number of potato tuber moths trapped was recorded every morning and removed in time, and the investigation continued for 50 days. The test results are shown in Table 2.
[0031] Table 2 The trapping test results of different ratios of potato tuber m...
Embodiment 2
[0034] Embodiment 2 field persistence period test
[0035] When the trapping test is carried out in the field, the potato tuber moth tropism lure core or the potato tuber moth sex pheromone lure core is fixed on the moth general-purpose trap. trans-4,cis-7-tridecadien-1-ol acetate and / or trans-4,cis-7-tridecatrien-1-ol acetate in the sex attractant lure used, The mass ratio is 4:1; the weight ratio of the sex pheromone of the potato tuber moth to the pheromone analogue in the used lure wick is 1:0.5. Treatment group A is the treatment group without the potato tuber moth lure agent; treatment group B is the treatment group with the potato tuber moth lure agent; the two groups of treatments are regularly suspended and replaced with sex pheromone lures every 5 days. From the next day after setting, the number of potato tuber moths trapped in the hanging sex pheromone lure trap was recorded every morning and removed in time, and the investigation continued for 60 days.
[0036] ...
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