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Acaricidal composition containing cyenopyrafen and tebufenpyrad

A technology for pyraclostrobin and fenfenib, which is applied in the field of compound pesticides and achieves the effects of low drug cost, reasonable components and significant synergistic effect.

Inactive Publication Date: 2016-07-20
SHAANXI SUNGER ROAD BIO SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Although fenpyrafen has no cross-resistance with existing insecticides and acaricides, long-term use of pest mites is bound to produce resistance to it; tebufenpyrad also has a great risk of resistance

Method used

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  • Acaricidal composition containing cyenopyrafen and tebufenpyrad
  • Acaricidal composition containing cyenopyrafen and tebufenpyrad
  • Acaricidal composition containing cyenopyrafen and tebufenpyrad

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Take by weighing 240 grams of pyriflufen, 40 grams of tebufenfen, 25 grams of sodium alkyl polyoxyethylene ether sulfonate, 23 grams of polyoxyethylene polyoxypropylene ether block copolymer, 6 grams of carboxymethyl cellulose, Add 3 grams of xanthan gum, 26 grams of sorbitol, 3 grams of potassium sorbate, 8 grams of silicone oil, and deionized water to 1000 grams by weight. The above raw materials are mixed, dispersed at high speed for 30 minutes, and sanded with a sand mill to a particle size of D 90 After the thickness is less than 10 μm, a 28% cyanbufen-pyrazafen suspension concentrate is prepared.

Embodiment 2

[0047] Take by weighing 10 grams of pyridofen, 300 grams of tebufenfen, 40 grams of sodium polyoxyethylene ether sulfonate, 15 grams of polyoxyethylene lauryl ether phosphate, 6 grams of carboxyethyl cellulose, 35 grams of Glycerol, 2 grams of formaldehyde, 12 grams of octanol, and deionized water are added to 1000 grams by weight. The above raw materials are mixed, dispersed at high speed for 30 minutes, and sanded with a sand mill to a particle size of D 90 After the thickness is less than 10 μm, a 31% suspension concentrate of pyrazafen-pyrafenpyr was prepared.

Embodiment 3

[0049] Weigh 20 grams of pyrafenpyrid, 200 grams of tebufenfen, 60 grams of agricultural milk 600#, 45 grams of sodium alkylnaphthalene sulfonate, 35 grams of ethyl acetate, 15 grams of propylene glycol, 12 grams of butanol, 8 grams of polyethylene Alcohol, deionized water is added to 1000 gram parts by weight. The above raw materials are uniformly mixed through high-speed shearing, and ball milled in a ball mill for 2 to 3 hours, so that the particle size of all the particles is below 5 μm, and a 22% pyrazafen-tebufenpyrad suspoemulsion is prepared.

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Abstract

The invention discloses an acaricidal composition containing cyenopyrafen and tebufenpyrad and application thereof.Effective active components include the first active component cyenopyrafen and the second active component tebufenpyrad, and the weight ratio of the first active component to the second active component is 1:60-60:1.The acaricidal composition can be prepared into a suspending agent, or suspoemulsion, or microemulsion, or emulsion in water, or a dispersible oil suspending agent, or wettable powder or water dispersible granules allowed agriculturally.The acaricidal composition is reasonable in composition and has a good effect on Panonychus ulmi, Tetanychus viennensis zacher, tetranychus urticae koch, panonychus citri and Tetrangychus cinnabarinus, the acaricidal effect is not achieved by simply superposing all the active components, compared with an existing single preparation, the acaricidal composition has a remarkable acaricidal effect and a remarkable synergistic effect, dosage is reduced, and safety to crops is high.

Description

technical field [0001] The invention relates to an acaricidal composition, which is composed of a first active ingredient, tebufenpyrad, a second active ingredient, tebufenpyrad and an auxiliary agent, and belongs to the technical field of compound pesticides. Background technique [0002] Acarids are commonly called red spiders, which are arachnid pests. Mites are one of the important pests that harm many crops. Often gather on the back of the leaves, adults and nymphs use their mouthparts to pierce the leaves and suck the juice, which damages the chlorophyll of the plant and affects photosynthesis. Affected leaves often have off-white dots or white plaques, and some cause cell proliferation in the damaged part, making the leaves protrude in the shape of galls or galls, or the leaves are curled and shrunk. Leaf fall causes plant death. In addition, many pest mites transmit plant viral and fungal diseases. Agricultural pest mites are one of the obstacles to agricultural ...

Claims

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Application Information

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IPC IPC(8): A01N43/56A01P7/02
CPCA01N43/56A01N2300/00
Inventor 刘亚强张仙马强冯建雄张崇斌
Owner SHAANXI SUNGER ROAD BIO SCI
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