Compound granule or microgranule of trichlorphon and chlorpyrifos and preparation method thereof

Abstract

The invention relates to a compound granule or microgranule of trichlorphon and chlorpyrifos and a preparation method thereof. The granule or the microgranule adopts a formula that both trichlorphon and chlorpyrifos are more than 95 percent of active compounds, and the granule or the microgranule comprises the following components in percent by weight: 1-13 percent of microgranule, 1-10 percent of trichlorphon, 1-8 percent of white carbon black, 1-8 percent calcium chloride or ammonia sulfate, 1-3 percent of starch or paraffin and 65-86 percent of china clay or kaolin or kieselguhr or coal gangue or slag. The invention has the obvious advantages of good settleability, small drift, light environmental pollution, long residual period, convenient application, time and labor saving, strong complementarity, great improvement of solid preparation stability, reduction of toxicity, convenience and enlargement of prevent and cure spectrum in an application process.

Description

technical field [0001] The invention belongs to the technical field of pesticide compound granule formulation and its preparation method. The invention can be directly used for preventing and controlling main underground pests (mole crickets, cutworms, needleworms, grubs, etc.) of general crops such as vegetables and grains. When controlling underground vegetables and grain pests, use hole application or spreading application. Background technique [0002] Highly toxic pesticides have caused many problems, especially the poisoning of pesticide applicators and excessive residues of agricultural products. The requirements for alternative medicines are: the effect should not be lower than that of the medicine being replaced; the cost of use should not be much higher than that of the medicine being replaced; the toxicity requirements for humans and animals should be low, and it cannot be a highly toxic species; the impact on the environment should not be lower than that of the ...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to address above-mentioned deficiencies in the prior art, and the use of trichlorfon single dose has high active ingredient content, high cost, easy deliquescent agglomeration and reduces efficacy, shortcoming of inconvenient use; And the single dose of chlorpyrifos The use has the disadvantage of high active ingredient content; provide a kind of trichlorfon with good settling property, small drift, light environmental pollution, long residual effect period, strong complementarity, high stability; low toxicity, convenient application, and expanded control spectrum Composite granule or microparticle with chlorpyrifos and preparation method thereof