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Rotenone insecticidal composition containing diatomite, insecticide thereof, and preparation method of insecticide

An insecticidal composition and a technology of diatomaceous earth, applied in the field of pesticides, can solve the problems of difficult uniform dispersion, unfavorable spreading of medicinal liquid, adhesion and penetration, etc., and achieve excellent synergistic effect, high practical application and promotion value, and improved spreadability. Effect

Inactive Publication Date: 2020-06-02
本生(惠州)生物技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is not easy to dissolve in water. When it is actually made into wettable powder and other pharmaceuticals, it is not easy to disperse evenly, which is not conducive to the spreading, adhesion and penetration of the liquid medicine.

Method used

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  • Rotenone insecticidal composition containing diatomite, insecticide thereof, and preparation method of insecticide
  • Rotenone insecticidal composition containing diatomite, insecticide thereof, and preparation method of insecticide
  • Rotenone insecticidal composition containing diatomite, insecticide thereof, and preparation method of insecticide

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Effect test

preparation example Construction

[0062] The third aspect of the present invention provides a preparation method of diatomite-containing rotenone insecticide, which includes the following steps: after mixing the auxiliary agent and rotenone powder, adding diatomite to vibrate and mix.

[0063] The fourth aspect of the present invention provides an application of a rotenone insecticide containing diatomaceous earth, which is used for citrus spider mite, scorpion, thrips, planthopper, leafminer, Spodoptera litura, small green leaf Control of cicadas, tea geometrids, green ligus, aphids, mites, flea beetle, yellow scorpion, ape leaf worm, cabbage caterpillar, beet armyworm, diamondback moth, tea caterpillar, and beetle.

Embodiment 1

[0067] Co-toxicity coefficient method (CTC) screening: combined toxicity determination of diatomite and rotenone to citrus spider mite; the diatomite has a sawtooth structure and is Celite610 from the French company Imerys.

[0068] 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 ...

Embodiment 2

[0078] Co-toxicity coefficient method (CTC) screening: joint toxicity determination of diatomite and rotenone compound to citrus scale insects; the diatomite has a sawtooth structure and is Celite610 of the French company Imerys.

[0079] 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.

[0080] 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 in...

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Abstract

The invention discloses a rotenone insecticidal composition containing diatomite. The rotenone insecticidal composition comprises diatomite and rotenone; and the diatomite has a zigzag structure. Thediatomite and the rotenone are compounded, so that the rotenone insecticidal composition has an excellent synergistic effect on various injurious pests; and after the rotenone insecticide containing the diatomite, prepared from the rotenone insecticide composition containing the diatomite, is diluted with water, the rotenone insecticide has good suspension rate and wettability and can be uniformlydispersed, spreading, adhesion and permeation of the insecticide in the actual use process are improved, and the insecticide has extremely high actual application and promotion value.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a diatomite-containing rotenone insecticidal composition, an insecticide and a preparation method thereof. Background technique [0002] With the wide application of pesticides and insecticides, the long-term irrational use of traditional chemical pesticides has brought many disadvantages, such as the generation of pest resistance, residual toxicity and environmental pollution. The research and development of natural products, especially botanical pesticides, and physical insecticides is currently a hot spot in the research and development of new pesticides and insecticides. [0003] Rotenone is mainly extracted from the roots of leguminous plants of the genus Derris, Lonchocarpus and Tephrosia produced in the tropical and subtropical regions of Asia. It has a wide insecticidal spectrum and is not easy to produce drug resistance. A "natural pesticide" that is safe, efficient,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/08A01N43/90A01P7/04A01P7/02
CPCA01N25/08A01N43/90
Inventor 陈瑞明
Owner 本生(惠州)生物技术有限公司
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