Pesticide composition as well as preparation method and application thereof

A pesticide composition and the technology of the composition, applied in the field of pesticides, can solve the problems of increasing the dosage of pesticides, failing to achieve long-term control, increasing the drug resistance of pathogenic bacteria, etc.

Active Publication Date: 2016-02-24
JIANGSU PESTICIDE RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as mentioned above, long-term use of cyprostrobin will produce certain resistance of pathogenic bacteria, so it cannot achieve a good long-term control purpose
In order to achieve a 100% control effect, farmers generally use excessive pesticides in the actual use process. As can be seen from

Method used

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  • Pesticide composition as well as preparation method and application thereof
  • Pesticide composition as well as preparation method and application thereof
  • Pesticide composition as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1: the preparation of wettable powder (WP)

[0026] Weigh each component according to the following weight: cyprostrobin 1Kg, fluthiazol sulfone 30Kg, naphthalenesulfonic acid methylate sodium salt 8Kg, sodium naphthalenesulfonate 3Kg, diatomaceous earth 59Kg; fully mix the above components , after being pulverized by an ultra-fine pulverizer, the wettable powder compounded with cyclostrobin and fluthiazol sulfone can be obtained.

Embodiment 2

[0027] Embodiment 2: the preparation of suspension concentrate (SC)

[0028] Weigh each component according to the following weight: cyprostrobin 2Kg, fluthiazol sulfone 32Kg, sodium alkylsulfonate 1Kg, alkylnaphthalenesulfonic acid condensation polymer sodium salt 4Kg, xanthan gum 0.2Kg, ethylene glycol 4Kg, 56.8Kg of water; using water as the medium, add the remaining components into a sand mill, and grind to make a compounded suspending agent of cyclostrobin and fluthiazol.

Embodiment 3

[0029] Embodiment 3: the preparation of water dispersible granule (WDG)

[0030] Take each component according to the following weight: cyprostrobin 5Kg, fluthiazol sulfone 5Kg, sodium naphthalenesulfonate formaldehyde condensate 10Kg, sodium n-butylnaphthalenesulfonate 3Kg, kaolin 77Kg; Mix and pulverize the wet dispersant, add water and knead, add to the granulator for granulation, and then dry and sieve (according to the range of the sieve) to obtain the water dispersible granules of cyclostrobin and fluthiazol agent.

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Abstract

The invention discloses a pesticide composition as well as a preparation method and application thereof. The pesticide composition comprises the following particular constituents in percentage by weight: 1%-90% of effective constituents and 10%-99% of a pesticide carrier, wherein the effective constituents are JS399-19 and fluensulfone, and the weight ratio of JS399-19 to fluensulfone is (1-60):(60-1). The synergistic effect of mixing of JS399-19 and fluensulfone is utilized for making up the own insufficiencies of a single-dose pesticide, the drug resistance of plant diseases and insect pests is avoided, the medicament application effect is improved, the bactericidal spectrum is enlarged, the toxicity is lower, and the economic benefits and environment-friendly benefits are obvious. Lots of experiments prove that after combination of JS399-19 and fluensulfone according to the weight ratio, the control effects on all of the rice bakanae disease, the aphelenchoides besseyi, the vegetable fusarium wilt, the nematodosis and the like are remarkable.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and relates to a pesticide composition for preventing and treating fungal diseases and nematode diseases of rice, vegetables, fruit trees or other economic crops, a preparation method and application thereof. Background technique [0002] Drugs are the main factor causing drug resistance in pathogenic bacteria. First of all, this is related to the characteristics of the active ingredients of the fungicide. Under normal circumstances, pathogenic bacteria are prone to develop resistance to selective and highly effective systemic fungicides, especially those acting on genetic factors. Because this type of fungicide has a single action site, the gene mutation of the action site of the target pathogen can easily lead to a change in affinity with the fungicide. Second, it is closely related to the selection pressure of the agent. In the process of interaction between pathogenic bacteria and fungi...

Claims

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Application Information

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IPC IPC(8): A01N43/78A01P3/00A01P5/00A01N37/44
Inventor 刁亚梅王洪雷曹杨周亚岭马亚芳曹斌
Owner JIANGSU PESTICIDE RES INST
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