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Nematicidal compound containing fluensulfone and fludioxonil

A technology for thiafenox and nematicide, which is applied in the field of nematicidal compositions containing thiafenox and fludioxonil, can solve the problems that no nematicidal composition has ever been reported, and achieves delaying the resistance to critical drugs, reducing the Effects of cost and cost of use

Inactive Publication Date: 2015-04-08
HAILIR PESTICIDES & CHEM GRP
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AI Technical Summary

Problems solved by technology

On the basis of indoor screening and field tests, we have screened out the compounding of fluthiazol and fludioxonil, which has obvious synergistic effect, and the nematicidal composition of the compounding of fluthiazol and fludioxonil and Apps currently unreported

Method used

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  • Nematicidal compound containing fluensulfone and fludioxonil

Examples

Experimental program
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Effect test

Embodiment

[0032] Example: Combined toxicity test of different ratios of fluthiazol and fludioxonil.

[0033] Test target: Cucumber root-knot nematode

[0034] The evaluation method is the liquid immersion method. Dissolve the original drug with acetone first, distribute the appropriate amount of active ingredients into several different proportions according to the results of the preliminary experiment, and then use acetone to dilute each treatment into several concentration gradients for use. Inject 100 ul into each well of a 96-well plate, then add an equal amount of root-knot nematode suspension, place in a dark place at 25° C. for one week, and count the number of surviving and dead nematodes in each well with a microscope.

[0035] Calculation method of drug efficacy: Mortality rate (%)=number of dead insects / (number of surviving insects+number of dead insects)×100.

[0036] The expected potency (i.e. theoretical control effect, %) of the active ingredient mixture was determined ...

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Abstract

The invention relates to a nematicidal compound containing fluensulfone and fludioxonil. The nematicidal compound is prepared by compounding two effective components with auxiliary components allowed and accepted by the pesticide, wherein the two effective components are fluensulfone and fludioxonil, the mass ratio of fluensulfone and fludioxonil is (1-25):(25-1), fluensulfone and fludioxonil account for 1-80% of the total mass of the nematicidal compound, and the auxiliary components account for the balance. The nematicidal compound provided by the invention can be prepared into a cream, a suspension, wettable powder, an aqueous solution, water dispersible granules, an aqueous emulsion, a micro-emulsion, granules and micro-capsules, and the nematicidal compound is mainly used for preventing and treating nematodes and other pests of solanaceous vegetables, cucurbitaceous vegetables, lettuces and other leafy vegetables.

Description

technical field [0001] The invention relates to the technical field of pesticide compounding, in particular to a nematocidal composition containing fluthiazol and fludioxonil. Background technique [0002] Nematodes belong to the nematode class Nematodes, and they are small in size and can be observed under a microscope. There are about 3,000 species of nematodes that are harmful to plants, most of which live in the soil, and some are parasitic in plants. Nematodes spread through soil or seeds, can damage the root system of plants, or invade the organs of the aboveground parts, affect the growth and development of crops, and indirectly spread diseases caused by other microorganisms, causing great economic losses. The use of pesticides to control nematodes is an effective method commonly used in modern agriculture. It is generally used for soil treatment or seed treatment. There are two types of nematicides: volatile and non-volatile. The former acts as fumigation and the la...

Claims

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Application Information

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IPC IPC(8): A01N43/78A01P5/00A01N43/36
Inventor 陈鹏葛尧伦吕文东
Owner HAILIR PESTICIDES & CHEM GRP
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