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A kind of acaricidal composition containing pyrimethan

A technology of pyrimethan and its composition, which is applied in the application field of the acaricidal composition on crop pest mites, can solve the problems that the relevant reports of the compounding have not been published, and achieve human and animal safety, good environmental compatibility, and rain resistance washout effect

Active Publication Date: 2016-05-25
陕西汤普森生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After research by the inventors, it was found that compounding pyrimizamid with bifenazin, hexyzafen, spirodiclofen, fenpyrox or bromodifen can produce a good synergistic effect. Reports on the compounding of fenhydrazate, hexymethoxone, spirodiclofen, pyrazafen or bromodiclofen have not yet been published

Method used

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  • A kind of acaricidal composition containing pyrimethan
  • A kind of acaricidal composition containing pyrimethan
  • A kind of acaricidal composition containing pyrimethan

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～16

[0039] Embodiment 1~16 wettable powder

[0040] Mix pyrimethanil, active ingredient B, dispersant, wetting agent, and filler in a mixing tank evenly, and then pulverize them with a jet mill and then mix evenly to obtain the wettable powder product of the present invention. See the table for details 1.

[0041] Table 1 Embodiment 1~16 each component and parts by weight

[0042]

[0043]

Embodiment 1732

[0044] Embodiment 1732 water dispersible granules

[0045] Pyrimimethan, active ingredient B, dispersant, wetting agent, disintegrant, filler, etc. are crushed together by airflow to obtain the required particle size, and then other additives such as binder (optional) are added to obtain granulation material. The water-dispersible granule product of the present invention can be obtained after quantitatively sending the material into a fluidized bed granulation dryer for granulation and drying, see Table 2 for details.

[0046] Table 2 Embodiment 17~32 each component and parts by weight

[0047]

[0048]

Embodiment 33～48

[0049] Embodiment 33~48 suspending agent

[0050] Dispersant, wetting agent, defoamer, thickener (optional), antifreeze agent (optional), after high-speed shearing, mix evenly, add pyrimethan and active ingredient B, and put it in a ball mill Ball mill for 2 to 3 hours, so that the particle size is all below 5 μm, and the balance is supplemented with deionized water to obtain the suspension product of the present invention, see Table 3 for details.

[0051] Table 3 Embodiment 33~48 each component and parts by weight

[0052]

[0053]

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PUM

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Abstract

The invention discloses a pyriminostrobin-containing acaricidal composition, the effective components of which are active component A and active component B. Specifically, the active component A is pyriminostrobin, the active component B is any compound of: bifenazate, hexythiazox, spirodiclofen, Fenpyroximate and bromopropylate, and the active component A and the active component B are in a weight ratio of 1:80-60:1. The composition provided by the invention has a synergistic effect on a variety of harmful mites harming agricultural production, decreases the pesticide dosage, reduces the residual amount of pesticides on crops, alleviates environmental pollution, is safe to human and livestock, has good environment compatibility, and is difficult for harmful mites to generate drug resistance.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and relates to the application of an acaricidal composition containing pyrimidazan on crop pest mites. Background technique [0002] Pyriminostrobin chemical name: 2-tert-butyl-5-(4-tert-butylbenzylthio)-4-chloropyridazin-3(2H)-one, molecular formula: C 23 h 18 C l2 f 3 N 3 o 4 . The agent has a good control effect on all claw mites, red spider mite adults, nymphs, and larvae, and exhibits excellent ovicidal activity. [0003] Molecular formula of Bifenazate: C 17 h 20 N 2 o 3 . It is a novel selective foliar spray acaricide effective against all life stages of mites. It has ovicidal activity and rapid knockdown activity on adult mites, and has little effect on predatory mites. It is very suitable for comprehensive management of pests and has no toxicity to plants. [0004] Hexythiazox molecular formula: C 17 h 21 C 1 N 2 o 2 S; thiazolidinones are new acaricides, which have ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/38A01N47/24A01N43/58A01N43/56A01N43/12A01N37/36A01P7/02
Inventor 张秋芳
Owner 陕西汤普森生物科技有限公司
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