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Agricultural chemical composition

A technology of emamectin and benzoate, which is applied in the field of synergistic pesticide compositions, can solve the problems of easy resistance of pests, no pesticide composition, and high cost of use, so as to delay the development of pests. Drug resistance, easy to use, and low cost effects

Active Publication Date: 2010-09-29
福建新农大正生物工程有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

But it is less effective against mites
[0004] In the control of agricultural pests, insecticides containing one active ingredient often have defects in varying degrees: narrow insecticidal spectrum, high cost of use, easy resistance of pests, and environmental pollution caused by repeated use.
But, do not see the report of the insecticide composition that is formed by abamectin and emamectin benzoate so far

Method used

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  • Agricultural chemical composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1: control cotton cinnabar spider mite

[0027] According to the weight ratio of abamectin 2.5%, emamectin benzoate 2.5%, dispersant sodium lignosulfonate 15%, disintegrant sodium sulfate 4%, wetting agent BX 8%, carrier Kaolin 45%, talcum powder 18%, made into water dispersible granules. The formula is diluted and sprayed by 4000-5000 times, and the control effect in the field is 98.10% three days after application. 2.5% abamectin water-dispersible granules and 2.5% emamectin benzoate water-dispersible granules were used in the same way, and the control effects were 75.05% and 55.91% respectively 3 days after the medicine.

Embodiment 2

[0028] Embodiment 2: control citrus rust mite

[0029] According to the weight ratio of abamectin 1.5%, emamectin benzoate 0.5%, xylene and cyclohexane mixed solvent 15%, nonionic surfactant 1602#15%, anionic surface active Agent 500#10%, cosolvent methanol 8%, antifreeze urea 2%, organic silicon defoamer 0.5%, water to 100%, made into microemulsion. The formula is diluted and sprayed by 2000-2500 times, and the control effect in the field is 91.98% 3 days after spraying. 2% abamectin microemulsion and 2% emamectin benzoate microemulsion were used in the same way, and the control effects were 71.04% and 53.21% respectively 3 days after the drug.

Embodiment 3

[0030] Embodiment 3: control cotton bollworm

[0031] According to the weight ratio of abamectin 1%, emamectin benzoate 2%, dispersant sodium lignosulfonate 15%, wetting agent BX 8%, carrier bentonite 73%, made wettability powder. The formula is diluted and sprayed by 2000-2500 times, and the control effect in the field is 92.07% 3 days after spraying. 3% abamectin water-dispersible granules and 3% emamectin benzoate wettable powder were used in the same way, and the control effects were 58.09% and 73.07% respectively 3 days after the medicine.

[0032] Biological Example 1: Indoor Toxicity Determination of Abamectin and Emamectin Benzoate Mixture

[0033] Test object: Spodoptera litura, a sensitive strain raised indoors.

[0034]Test medicaments: Abamectin original drug (content 95%), emamectin benzoate (content 95%).

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Abstract

The invention relates to a pesticide composition, in particular to a pesticide composition comprising avermectin with the synergistic effective quantity and methylamino abamectin benzoate, wherein the preferred weight ratio of the avermectin to the methylamino abamectin benzoate is between 20 to 1 and 1 to 10, the more preferred weight ratio is between 10 to 1 and 1 to 5, and the most preferred weight ratio is between 2 to 1 and 1 to 2. The pesticide composition is particularly suitable for preventing and controlling pests and pest mites such as prodenia litura.

Description

technical field [0001] The invention relates to a synergistic pesticide composition, in particular to a synergistic pesticide composition comprising abamectin and emamectin benzoate. Background technique [0002] Abamectin (abamectin) is a macrolide disaccharide compound, a natural product isolated from soil microorganisms, which has contact and stomach toxicity to insects and mites and has a weak fumigation effect without systemic absorption. effect. Abamectin has a strong penetrating effect on the leaves, can kill the pests under the epidermis, and has a long residual effect, but it is ineffective for the eggs of most insects. Its mechanism of action is different from that of general insecticides in that abamectin interferes with neurophysiological activities and stimulates the release of r-aminobutyric acid, while r-aminobutyric acid can inhibit the nerve conduction of arthropods, and mite adults, nymphs and Insect larvae will appear paralyzed after contact with the dru...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01P7/00A01N43/90
Inventor 陈章艳游文莉
Owner 福建新农大正生物工程有限公司
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