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Insecticidal composition containing propylene glycol alginate and pyrethroids
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A technology of propylene glycol alginate and pyrethroids, applied in the field of pesticides, can solve problems such as unpublished reports on compounding, and achieve the effects of reducing the dosage of pesticides, reducing the residual amount, and enhancing the adhesion of the preparations
Inactive Publication Date: 2015-04-15
SHAANXI MEIBANG PHARMA GRP CO LTD
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Abstract
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Problems solved by technology
After research by the inventor, it is found that propylene glycol alginate can produce a good synergistic effect after compounding with lambda-cyhalothrin, etofenproxil, bifenthrin, fenpropathrin and tefluthrin, and Reports on the compounding of propylene glycol alginate with lambda-cyhalothrin, ethofenproxil, bifenthrin, fenpropathrin, and tefluthrin have not yet been published
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example 1～14
[0041] Example 1~14 wettable powder
[0042] Mix propylene glycol alginate, active ingredient B, dispersant, wetting agent, and filler in a mixing tank evenly, pulverize through a jet mill and mix evenly to obtain the wettable powder product of the present invention. For details, see Table 1.
[0043] Table 1 Embodiment 1~14 each component and parts by weight
[0044]
[0045]
example 15～28
[0046] Example 15~28 water dispersible granules
[0047] Propylene glycol alginate, active ingredient B, dispersant, wetting agent, disintegrant, filler, etc. are crushed together by air flow to obtain the required particle size, and then other additives such as binder (optional) are added to obtain the preparation grain materials. 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.
[0048] Table 2 Embodiment 15~28 each component and parts by weight
[0049]
[0050]
example 29～42
[0051] Example 29-42 Suspending Concentrate
[0052] Dispersant, wetting agent, defoamer, thickener (can be added or not), antifreeze agent (can be added or not), mixed evenly through high-speed shearing, add propylene glycol alginate and active ingredient B, and grind in a ball mill Medium ball milling for 2 to 3 hours, so that the particle size is all below 5 μm, and the balance is supplemented with deionized water, and the suspension product of the present invention can be obtained. See Table 3 for details.
[0053] Table 3 Embodiment 29~42 each component and parts by weight
[0054]
[0055]
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Abstract
A disclosed insecticidal composition containing propylene glycol alginate and pyrethroids contains an active component A and an active component B, wherein the active component A is propylene glycol alginate, the active component B is any one compound selected from efficient cyhalothrin, ethofenprox, bifenthrin, fenpropathrin and tefluthrine, and the weight ratio of the active component A to the active component B is 1:70-70:1. The insecticidal composition has synergic effect on multiple insects harmful to agriculture production, helps to reduce pesticide use amount, reduce pesticide residue on crops and mitigate environmental pollution, and is safe to people and livestock, good in environment compatibility and insusceptible to arousing the drug resistance in the insects.
Description
technical field [0001] The invention belongs to the technical field of pesticides, and relates to the application of an insecticidal composition containing propylene glycol alginate and pyrethroids on crop pests. Background technique [0002] Propylene glycol alginate molecular formula: (C 9 h 14 o 7 ) n , which is an emulsified suspension prepared from seaweed extract through an emulsification process, and has contact killing activity on insects. [0003] Beta-cyhalothrin, etofenprox, bifenthrin, fenpropathrin, and tefluthrin all belong to the class of pyrethroid insecticides, which have a strong contact effect on insects, and some varieties have both stomach toxicity or Fumigation effect, but no systemic effect. Its mechanism of action is to disrupt the normal physiology of insect nerves, causing them to die from excitement, convulsions, and paralysis. Pyrethroids are safe for humans and animals because of their small dosage and low concentration, and they have littl...
Claims
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Application Information
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