Ethylicin-containing pesticidal composition
An insecticidal composition, the technology of acetoallin, applied in the direction of insecticide, biocide, animal repellent, etc., can solve the problem of synergistic compounding of acetocilin and neonicotinoid compounds and application research has not yet been reported. problems, to achieve the effect of improving the control effect in the field, prolonging the service life and expanding the control target
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Embodiment 1
[0035] Test object: 3rd instar nymphs of brown planthopper (Nilaparvata lugens Stal).
[0036] Test method: The rice stem dipping method is adopted. Pull out the strong rice plants from the tillering stage to the early booting stage, wash them, cut them into 15 cm long rooted rice stems, set them in groups of 3, and let them dry in the air until there is no water mark. Soak the rice stems in the diluted medicine for 30 seconds, take them out and dry them, wrap the roots with soaked absorbent cotton and put them into the finger tubes, absorb the 3rd instar larvae and put them into the finger tubes, 20 heads per tube, Set soaked water as the blank control, and each concentration was repeated 3 times. After treatment, put them in an observation room at 27°C with a photoperiod of 16h:8h (L:D). The number of deaths was checked regularly, and the corrected death rate was calculated using the Abbott formula. Calculate the lethal middle concentration LC of each test single agent by...
Embodiment 2
[0048] Test object: 3rd instar nymphs of brown planthopper (Nilaparvata lugens Stal).
[0049] Test method is the same as embodiment one
[0050] The test results are shown in Table 2.
[0051] Table 2 Toxicity results of acetochlor and acetamiprid against rice planthopper
[0052] Drug name
[0053] The measurement results showed that the co-toxicity coefficients of the three combinations of acetochlor and acetamiprid against rice planthoppers were all above 120, which indicated that the combination of acetochlorin and acetamiprid had obvious synergistic effects on rice planthoppers.
Embodiment 3
[0055] Test object: 3rd instar nymphs of brown planthopper (Nilaparvata lugens Stal).
[0056] Test method is the same as embodiment one
[0057] The test results are shown in Table 3.
[0058] Table 3 Toxicity results of acetoallin and thiamethoxam to rice planthopper
[0059] Drug name
[0060] The measurement results showed that the co-toxicity coefficients of the three combinations of acetochlorin and thiamethoxam to rice planthoppers were all above 120, indicating that the combination of acetoallin and thiamethoxam had a better synergistic effect on rice planthoppers. effect.
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