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A composition and insecticide technology, applied in the direction of insecticide, application, biocide, etc., can solve the problems of poor control effect, environmental pollution, and easy resistance of insecticides, so as to save costs and improve control effect , the effect of less resistance
Inactive Publication Date: 2013-03-13
北京明德立达农业科技有限公司
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[0004] The current pest control not only has poor control effect, but also uses different pesticides for different pests, which consumes a lot of manpower, material resou
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[0045] (1) Biological detection of synergistic effect
[0046] Sun Yunpei (Sun Y-P) method was used to evaluate the mixed effect of the two active ingredients in the insecticide composition of the present invention by calculating the co-toxicity coefficient (CTC), as follows:
[0047] Evaluation criteria: when CTC ≥ 120, it shows a synergistic effect; when CTC ≤ 80, it shows an antagonistic effect; 80 < CTC < 120, it shows an additive effect.
[0048] Calculation formula:
[0049] Co-toxicity coefficient (CTC) = [mixture actual toxicity index (ATI) / mixture theoretical toxicity index (TTI)] × 100
[0050] Mixture Actual Toxicity Index (ATI) = (LC of standard drug 50 / Mixed LC 50 )×100
[0051] Mixture theoretical toxicity index (TTI) = TI of agent A × content of A in the active ingredient of the mixture + TI of agent B × content of B in the active ingredient of the mixture
[0052] Toxicity index (TI) = (LC of standard agent 50 / LC of test agent 50 )×100 (take one of A...
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Abstract
The invention relates to an insecticide composition. The composition contains an active component and is characterized in that the active component contains bifenthrin and thiacloprid; and the weight ratio of the bifenthrin to the thiacloprid is 1: (0.01-90). The invention further relates to an application of the insecticide composition in preparing an insecticide. The insecticide composition has the synergism effect when being compared with the single-component bifenthrin or thiacloprid, so as to improve the prevention effect; the insecticide composition contains non-single active component and does not easily have the drug resistance; and the insecticide composition can prevent various different types of injurious insects caused by mixing, so that the drug utilization rate is reduced, the cost is saved and the pollution to the environment is relieved.
Description
technical field [0001] The present invention relates to an insecticide composition and its application, in particular to an insecticide composition containing bifenthrin and thiacloprid, and the use of the insecticide composition in the preparation of insecticides application. Background technique [0002] In agricultural production practice, there are often problems of mixed occurrence of different types of pests, tea leafhopper, black thorn whitefly, green ligus, tea horned bug, tea yellow thrips, tea caterpillar, tea antler moth, tea looper, cotton Aphids, cotton bollworms, cotton bollworms, and dwarf moths are pests that often exist simultaneously or successively, for example, on tea trees, vegetables, cotton, fruit trees, flowers, and other commercial crops. [0003] For the above common pests, it is often necessary to use different insecticides for control. For example, tea leafhoppers are generally controlled by bifenthrin or buprofezin, and black thorn whiteflies ar...
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