Compounded pesticides containing multiple killing teichomycin

A spinosad and insecticide technology, applied in the direction of insecticide, biocide, animal repellent, etc., to achieve obvious synergistic effect

Inactive Publication Date: 2008-08-27
张少武
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] It can be seen that cotton bollworm, vegetable diamondback moth, vegetable cabbage caterpillar, bean pod borer are extremely harmful, and they are all insect pests with high resistance. However, there is no insecticide that can effectively control these insect pests at present.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] In this example, A becomes: spinosad, and B components are: profenofos, diafenthiuron, hexaflumuron and cyhalothrin. Through the ratio of A and B, the synergistic research of mutual compounding is carried out. Indoor toxicity test and mixed formula screening were carried out on cotton bollworm, vegetable diamondback moth, vegetable cabbage caterpillar and bean pod borer with different ratios.

[0026] The test agent is the original drug provided by the manufacturer. This experiment is carried out by the growth rate method, and the same amount of sterilized water is mixed with the medium as the control. The toxicity equation and the lethal intermediate concentration EC50 are calculated by the least square method, and the concentration of the drug is calculated by the Wadley method. Combined synergistic ratio (SR) toxicity index of different proportions and Sun Yunpei method to calculate the toxicity index of agents and the co-toxicity coefficient of mixed use (CTC method)...

Embodiment 2

[0046] Example 2: Spinosad mixed with profenofos to control bean pod borer

[0047] Proportion by weight (unless otherwise specified, all refer to weight percentage) 240 parts of spinosad, 250 parts of profenofos, 90 parts of emulsifier phenylethylphenol formaldehyde resin polyoxyethylene ether, 50 parts of cosolvent methanol, solvent toluene Make up to 1000 parts and make emulsifiable cream. The formula is diluted and sprayed by 200-300 times, and the field control effect is 92.05% within 72 hours after spraying. This invention takes 50% spinosad EC as the reference object and 45% profenofos EC as the reference object, and when used in the same way, the control effects after 72 hours of medicine are 63.18% and 60.94% respectively. It can be clearly seen that the mixed The control effect of the preparation is more than 1.5 times higher than that of the two single doses.

Embodiment 3

[0048] Example 3: Spinosad and diafenthiuron mixed to control vegetable diamondback moth

[0049] According to the weight ratio of spinosad (unless otherwise specified, all refer to weight percentage) 240 parts of spinosad, 250 parts of diafenthiuron, 50 parts of wetting agent vinylpyrrolidone, 30 parts of dispersant calcium lignosulfonate, antifreeze 50 parts of ethylene glycol, 3 parts of thickening agent gum arabic, 5 parts of defoaming agent organosilicone, 5 parts of acetic acid as a pH regulator, and water to 1000 parts to make a suspending agent. The formula is diluted and sprayed by 500-600 times, and the field control effect is 94.59% within 72 hours after spraying. In this invention, 48% spinosad suspension concentrate and 80% diafenthiuron suspension concentrate were used as reference objects in the same way, and the control effects after 72 hours of drug treatment were 65.32% and 62.25% respectively, which can be clearly seen The mixed preparation is more than 1.5...

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PUM

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Abstract

The invention provides a mixed pesticide with spinosad, and the active ingredients thereof are the combination of spinosad and one or more compounds of profenofos, diafenthiuron, and cyhalothrin. The mixed pesticide is used for preventing and curing the damage caused by pests in agriculture or forestry, and has particularly good effects on preventing and curing the damage caused by cotton bollworms, vegetable diamondback moths, cabbage worms, and lima bean pod borers.

Description

technical field [0001] The present invention relates to an insecticide, specifically a compound insecticide containing spinosyn, and also relates to its application in agricultural or forestry insect pest control, especially for resistant cotton bolls Control of insects, vegetable diamondback moth, vegetable cabbage caterpillar, bean pod borer. Background technique [0002] Spinosad: Its mechanism of action is considered to be the action body of the nicotinic acid acetylcholine receptor, which can continuously activate the target insect acetylcholine nicotinic receptor. Spinosad can also affect the GABA receptor, which can quickly paralyze the pest, Paralyzed, eventually leading to death, its insecticidal speed is comparable to that of chemical pesticides, high in safety, and has no cross-resistance with commonly used insecticides at present. Insecticidal performance, and safe to beneficial insects and mammals, has rapid contact and stomach poisoning effects on pests, has s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N63/00A01P7/04A01N57/10A01N47/28A01N47/34A01N53/08
CPCY02A50/30
Inventor 张少武
Owner 张少武
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