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Acaricidal granules with internal absorption and controlled release functions as well as preparation method and application of acaricidal granules

A technology of granules and granules, which is applied in the direction of acaricides, botanical equipment and methods, applications, etc., can solve the problems of long-lasting effects, etc., and achieve the effects of long-lasting effects, avoiding environmental pollution, and easy absorption

Active Publication Date: 2015-05-13
HENAN INST OF SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a systemic and slow-controlled release type acaricide granule, which can prevent or inhibit pests by means of soil treatment, in order to solve the problem that the current method of using acaricides easily causes harmful mites to develop resistance. The occurrence of mites and the long-lasting period greatly avoid the labor cost of artificial spraying when the pest mites occur in the later stage, and delay the emergence of pest mite resistance, which is of great market value

Method used

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  • Acaricidal granules with internal absorption and controlled release functions as well as preparation method and application of acaricidal granules
  • Acaricidal granules with internal absorption and controlled release functions as well as preparation method and application of acaricidal granules
  • Acaricidal granules with internal absorption and controlled release functions as well as preparation method and application of acaricidal granules

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Example 1: Formula and preparation method of 1% pyraclofen granule

[0034] Formula: pyraclofen 1%, calcium alginate 1%, jasmine essential oil 1%, sodium polyacrylate 3%, dimethyl phthalate 5%, polymethyl methacrylate 3%, activated zeolite supplement 100% .

[0035] Preparation:

[0036] (1) Dissolving the active ingredient pyraclofen with an organic solvent is transparent, and it is set aside;

[0037] (2) After calcium alginate, absorbent, water-retaining agent, and polymer material are fully mixed and adsorbed, ultrafinely pulverized, passed through a 800-1000 mesh sieve, to obtain powder, and set aside;

[0038] (3) Put the carrier into the stirred reactor, and at a rotating speed of 60-80r / min, put in part of the pulverized powder in step (2), after 15 minutes, evenly spray into the processed active ingredient solution in step (1), Stir for 15 minutes until evenly adhered;

[0039] (4) Continue to put in the remaining powder, stir for 30 minutes, and obtain it...

Embodiment 2

[0040] Example 2: Formula and preparation method of 5% pyraclofen granule

[0041]Formula: pyraclofen 5%, calcium alginate 3%, turpentine 3%, polyacrylamide 8%, dibutyl phthalate 10%, polymethyl methacrylate 12%, river sand make up 100%.

[0042] The preparation method is the same as in Example 1.

Embodiment 3

[0043] Example 3: Formula and preparation method of 5% pyraclofen granule

[0044] Formula: 5% pyraclofen, 5% calcium alginate, 5% tung oil, 10% polyacrylamide, 10% dibutyl phthalate, 10% urea-formaldehyde resin, 100% urea granules.

[0045] The preparation method is the same as in Example 1.

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Abstract

The invention discloses acaricidal granules with internal absorption and controlled release functions as well as a preparation method and application of the acaricidal grandules. The granules are composed of the following components in percentage by weight: 1-10% of cyenopyrafen, 1-5% of calcium alginate, 1-10% of an absorbent, 3-10% of a water-retaining agent, 5-20% of an organic solvent, 3-40% of a high polymer material and carriers which is added until the total percent weight is 100%. According to the acaricidal granules disclosed by the invention, the previous traditional method is completely changed for preventing and curing pest mites, spray prevention and curing is changed into soil treatment, and the purpose of suppressing the occurrence of post-period pest mites is achieved, so that labour efficiency is improved, the labour cost is greatly reduced, and the escape and pollution of medicaments during a spray process can be effectively avoided. The acaricidal granules have great application and popularization values.

Description

technical field [0001] The invention relates to the field of acaricides, in particular to an acaricide granule with both systemic absorption and sustained and controlled release. Background technique [0002] Acarids (mites) belong to Arthropoda (Arachinida), Arachnida (Arachnida), Acari subclass (Acari). According to its economic significance, it can be divided into two categories: medical and animal husbandry acarids and agricultural pest mites. Among them, the important agricultural pest mites are concentrated in 6 families of Acariformes (Acariformes), the most important pest mite is Tetranychus mites, followed by Hypophyllus mite, Gall mite, Nematode mite and Acarid mite. Among them, spider mites are the largest group of agricultural pest mites. There are more than 200 species of 16 genera known in my country; more than 180 species of gall mites have been recorded in my country; the serious damage to nematodes includes nematodes polyphagous and rice nematodes Mites, th...

Claims

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Application Information

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IPC IPC(8): A01N43/56A01N25/12A01P7/02
Inventor 刘润强秦雪峰武忠伟王清峻王刘豪王运兵
Owner HENAN INST OF SCI & TECH
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