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Composition containing insecticide of profenofos and phoxim

A composition, phoxim technology, applied in the directions of biocides, biocides, animal repellents, etc., can solve the problems of speed, long development cycle, and high development costs that are not comparable to pest resistance, and achieve the dosage of pesticides. Less, rapid drug effect, not easy to produce resistance effect

Inactive Publication Date: 2008-12-10
烟台科达化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the development cost of new active ingredients is high, the development cycle is long, and the speed of pest resistance can never be compared
Other methods, such as crop layout adjustment, rotation of different pesticides, etc., are difficult to achieve obvious effects in actual operation.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Embodiment 1: synergistic compounding of phoxim and profenofos

[0013] Select appropriate solvents and emulsifiers to prepare 40% phoxim EC and 40% profenofos EC; and prepare a mixture of profenofos and phoxim, with 8.5% profenofos and 26.5% phoxim in the mixture , emulsifier 10%, and solvent supplemented to 100%, that is, it is configured into 35% phoxim emulsifiable concentrate. Taking the third instar larvae of cotton bollworm as the control object, the indoor toxicity of profenofos single agent, phoxim single agent and their mixture to the third instar larvae of cotton bollworm was determined by spot method. On this basis, Sun Peiyun's method was used to calculate the co-toxicity coefficient CTC value of the mixture, and the specific measurement results are shown in Table 1.

[0014] Table 1 Profenofos and phoxim mixed synergistic assay results

[0015] Pharmacy and ratio

[0016] It can be seen from the measurement data in Table 1 that the CTC value of...

Embodiment 2

[0017] Embodiment 2: the field efficacy test of profenofos and phoxim mixed (Shandong Province Pesticide Control Institute completes)

[0018] Select suitable solvents and emulsifiers, prepare 50% phoxim EC and 40% profenofos EC; and prepare a mixture of profenofos and phoxim, the mixture contains 8.5% profenofos and 26.5% phoxim , emulsifier 10%, and solvent supplemented to 100%, that is, it is configured into 35% phoxim emulsifiable concentrate. The above three medicaments all control cotton bollworm according to the dose of 50 g / mu, and the method of use is spraying. The specific control effects are shown in Table 2.

[0019] Table results of field efficacy testing of diprofenofos mixed with phoxim

[0020] Pharmacy and ratio

[0021] As can be seen from the measurement data in Table 2, the quick-acting and sustained-acting properties of profenofos-phoxim mixture are higher than those of the two single agents, and show a good bud-retaining effect. It is an idea...

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PUM

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Abstract

The invention provides a combination of insecticide containing profenofos and phoxim. The effective composition of the insecticide is the profenofos and the phoxim; according to the weight percentage, the insecticide comprises 8%-20% of the profenofos and 10%-30% of the phoxim, and the residual quantity is water; the combination preparation is emulsifiable solution or micro-emulsion. The insecticide of the invention has the advantages of wide insecticidal spectrum, low toxicity, quick effect, long persistent period, and the like, and is used for controlling the pests, pest mites and other insect pests such as cotton bollworm, diamondback moth, beet armyworm, cabbage caterpillar, red spider, flea beetle, and the like, on cottons, vegetables, fruit trees, paddies and other grain crops.

Description

Technical field: [0001] The invention relates to a pesticide composition, in particular to a pesticide composition containing profenofos and phoxim. Background technique: [0002] Profenofos is a phosphorothioate insecticide containing n-propylthio group in its molecule. It has a wide insecticidal spectrum and is easy to biodegrade. It shows high biological activity against resistant pests and has a good effect on plant leaves. permeability. Its mechanism of action is to inhibit cholinesterase in insects. It has excellent control effects on common pests such as cotton bollworm, beet armyworm, cabbage caterpillar, and peach borer. [0003] Phoxim is a highly efficient and low-toxic organophosphorus insecticide. It is mainly used for contact and stomach toxicity. It has no systemic effect, has a broad insecticidal spectrum, strong knockdown power, and good quick-acting properties. It is very effective against Lepidoptera larvae. When used in the field, because it is unstabl...

Claims

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Application Information

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IPC IPC(8): A01N57/14A01N25/04A01P7/00
Inventor 宋国江温学志
Owner 烟台科达化工有限公司
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