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Specific structure diatomite-emamectin benzoate composition

A technology of emamectin and benzoate, applied in the field of pesticides

Inactive Publication Date: 2020-06-02
广州辉裕农业发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, natural diatomaceous earth, silicon dioxide and other ingredients with conventional crystal structures are mainly adsorbed on the surface of insects to achieve insecticidal purposes, and cannot form a good synergistic effect with functional ingredients such as emamectin benzoate

Method used

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  • Specific structure diatomite-emamectin benzoate composition
  • Specific structure diatomite-emamectin benzoate composition
  • Specific structure diatomite-emamectin benzoate composition

Examples

Experimental program
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Effect test

preparation example Construction

[0049] The third aspect of the present invention provides the preparation method of specific structure diatomaceous earth-emamectin benzoate water-dispersible granule as above, comprises the steps:

[0050] Add the dispersant, wetting agent, disintegrating agent and binder of the formula amount into the container, add emamectin benzoate and stir and mix with it, then carry out jet milling, and then add the specific structure Diatomaceous earth shakes and mixes.

[0051] Because the specific structure diatomite of the specific structure diatomite-emamectin benzoate pesticide composition used in this application has a zigzag honeycomb structure, it is necessary to add the specific structure after the auxiliary agent is mixed uniformly. Structured diatomite, mechanical pulverization cannot be used after adding the specific structure diatomite, so as to prevent the structure of the specific structure diatomite from being destroyed. When the auxiliary agent used is solid, weigh th...

Embodiment 1

[0057] Co-toxicity coefficient method (CTC) screening: combined toxicity determination of specific structure diatomite T and emamectin benzoate to citrus red spider mite.

[0058] Referring to the method in the NY / T1154.13-2008 standard, the blade spray method is adopted. Wash and dry flat citrus leaves of the same size, put the leaves on the wet sponge with the leaf facing up, surround the leaves with a small wet cotton sliver to prevent the test mites from escaping, and put the wet sponge into the 9cm diameter In a petri dish, add water to the petri dish, the water level is slightly lower than the sponge height. Inoculate the leaves with indoor raised nymphs, no less than 30 per leaf. Place the petri dish in the chassis of the Potter spray tower for spraying, the spraying amount is 1mL, take out the medicine solution after settling for 1min, and transfer it to feeding conditions. Each treatment was repeated 4 times, and a blank control was set.

[0059] After 48h, the dea...

Embodiment 2

[0068] Co-toxicity coefficient (CTC) screening: joint toxicity determination of diatomite T with specific structure and emamectin benzoate to citrus scale insects.

[0069] Referring to the method in the NY / T1154.6-2006 standard, the insect soaking method is used. After finishing, the citrus leaves with the citrus scorpion were immersed in the test liquid for 10 seconds, then taken out, and the excess liquid around the leaves and worms was sucked off with filter paper, and put into a petri dish (diameter 90mm) with a moisture-retaining filter paper pad. ), the petiole was wrapped with wet cotton balls to keep moisture, and each concentration was repeated 4 times. After the treatment, the dish was covered and placed in the observation room for cultivation.

[0070] After 72 days, the death of the test insects was checked with a dissecting microscope and recorded. The criterion for judging the death of the test insects was that the color was fresh and alive, and those that were ...

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Abstract

The invention relates to the technical field of pesticides, and concretely relates to a specific structure diatomite-emamectin benzoate composition and a specific structure diatomite-emamectin benzoate water dispersible granule. The water dispersible granule is prepared from, by weight, 3-8 parts of emamectin benzoate, 3-1000 parts of diatomite with a specific structure, 5-25 parts of a dispersingagent, 1-15 parts of a wetting agent, 10-30 parts of a disintegrating agent and 3-10 parts of a binding agent, and the diatomite with the specific structure has a zigzag honeycomb structure. The water dispersible granule has excellent effects of preventing and controlling red spiders, thrips, whiteflies, grape aphids, green plant bugs, tea geometrids, liriomyza sativae, prodenia litura and otherpests under the synergistic effect of the serrated honeycomb structure diatomite and the emamectin benzoate.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a specific structure diatomaceous earth-emamectin benzoate composition. Background technique [0002] At present, chemical agents are mainly used to prevent and control pests at home and abroad, and a large number of pest losses have been recovered. However, long-term use of chemical agents has serious problems such as agent residues, environmental pollution, pest resistance, and pest re-emergence. Therefore, it has become an urgent task to reduce the use and phase out of chemical pesticides with toxic and side effects, develop non-toxic and harmless pesticides with no harmful residues, or low toxicity and high efficiency, and explore new methods of pest control. [0003] The full name of emamectin benzoate is emamectin benzoate, which is the agricultural antibiotic avermectin B 1 The structurally modified product, its main mode of action is gastric toxicity, and has a certa...

Claims

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Application Information

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IPC IPC(8): A01N25/08A01N25/14A01N43/90A01P7/00A01P7/04A01P7/02
CPCA01N25/08A01N25/14A01N43/90
Inventor 樊惠
Owner 广州辉裕农业发展有限公司
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