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Problems solved by technology
After a lot of research on the compounding used by the inventor, it was found that the compounding of propylene glycol alginate with imidacloprid, acetamiprid, cyclopronil and ethiprole can produce good synergistic effect, and about propylene glycol alginate and imidacloprid , acetamiprid, cyclopronil, and ethiprole have not yet been published.
Method used
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Examples
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example 1～12
[0041] Examples 1-12 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, 2.
[0043] Table 1 Components and content of examples 1 to 6
[0044]
[0045] Table 2 Example 7~12 components and content
[0046]
[0047]
example 13～24
[0048] Example 13-24 water dispersible granules
[0049]Propylene glycol alginate, active ingredient B, dispersant, wetting agent, disintegrating agent, 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 the fluidized bed granulation dryer for granulation and drying, see Table 3 and 4 for details.
[0050] Table 3 Examples 13-18 Components and Contents
[0051]
[0052] Table 4 Example 19~24 components and content
[0053]
[0054]
example 25～36
[0055] Examples 25-36 Suspending agent
[0056] 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 Tables 5 and 6 for details.
[0057] Table 5 Components and contents of examples 25 to 30
[0058]
[0059] Table 6 Components and contents of examples 31 to 36
[0060]
[0061]
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Abstract
A disclosed insecticidal composition containing propylene glycol alginate is an insecticidal composition containing an active component A and an active component B, wherein the active component A is propylene glycol alginate, the component B is any one selected from imidacloprid, acetamiprid, dicyclanil and ethiprole, and the weight ratio of the active component A to the active component B is 1:80-60:1. 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
[0001] This application is a divisional application. The original application is a patent application of Shaanxi Meibang Pesticide Co., Ltd. "An insecticidal composition containing propylene glycol alginate". The application number of the original application is: 201210257526.9, and the original application date is 2012.07.24. technical field [0002] The invention belongs to the technical field of pesticides, and relates to the application of an insecticidal composition containing propylene glycol alginate on crop pests. Background technique [0003] Propylene glycol alginate molecular formula: (C 9 h 14 o 7 )n, which is an emulsified suspension made from seaweed extract through an emulsification process, has contact killing activity on insects. [0004] However, in the actual process of agricultural production, the most likely problem in pest control is the generation of pest resistance. The compounding of ingredients from different varieties is a very common way to con...
Claims
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