Mixed herbicide

A herbicide and formulation technology, which is applied to the field of compound herbicides in paddy fields, can solve the problems of insufficient herbicidal spectrum, aggravation, and inability to effectively kill weeds, etc., and achieves improved herbicidal spectrum, reduced dosage, and herbicidal effect. excellent effect

Active Publication Date: 2005-03-16
ZHEJIANG TIANYI AGRI CHEM IND CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] To sum up, the problem existing in the current use of pretilachlor (including promethazine) and bensulfuron-methyl is that the herbicidal spectrum is not wide enough, and each herbicide used alone cannot effectively kill some weeds, while " Although the herbicides of the C-benzyl group have certain complementarities and have exp

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  • Mixed herbicide
  • Mixed herbicide
  • Mixed herbicide

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Embodiment Construction

[0029] The compound herbicide provided by the present invention is further illustrated by the following non-limiting examples, and these examples do not limit the scope of the present invention, and all modifications based on the basic concept of the present invention all belong to the scope of protection of the present invention.

[0030] A. Preparation Examples:

[0031] 1. Cream

[0032] Component Weight Ratio

[0033] Bensulfuron-methyl 1

[0034] Clomazone 0.5

[0035] Pretilachlor 0.5

[0036] Promethazine 0.25

[0037] Calcium dodecylbenzenesulfonate 2

[0038]Nonionic surfactant 1.5

[0039] Organic solvents such as aromatic hydrocarbons 9

[0040] The emulsifiable concentrate can be diluted with water to obtain an emulsion of any desired concentration.

[0041] 2. Wettable powder

[0042] Component Weight Ratio

[0043] Bensulfuron-methyl 1

[0044] Clomazone 3

[0045] Pretilachlor 5

[0046] Promethazine 2.5

[0047] Sodium lignosulfonate 2

[0048] S...

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Abstract

The invention provides a mixed herbicide, comprising the effective components of bensulfuron, clomazone, pretilachlor with a weight ratio of 1-2:0.5-16:0.5-30. The mixed herbicide has safener fenclorim (CGA123407) with the weight ratio of pretilachlor: safener = 2-4:1. The mixed herbicide also has pesticide science acceptable accessory material such as dispersant, humectant, surfactant and carrier. The dosage form of the mixed herbicide is pesticide science acceptable form such as wettable powder, missible oil, water-dispersing granules preparation, suspending agent, micro emulsion aqua. The mixed herbicide has a good effect to the graminaceous weed, broad-leaf weed and sedge.

Description

Technical field: [0001] The invention relates to a chemical pesticide, in particular to a compound herbicide for paddy fields. Background technique: [0002] The chemical name of bensulfuron methyl is: α-{[(4,6-dimethoxypyrimidin-2-yl)aminohydroxylamino]sulfonylmethyl}benzoic acid methyl ester, and its molecular formula is: ester for C 16 h 18 N 4 o 7 S, acid is C 15 h 16 N 4 o 7 The structural formula of S is: [0003] [0004] Bensulfuron-methyl is a selective systemic herbicide, which can be absorbed by the roots and leaves of weeds, and quickly transferred to the whole plant of weeds, which can hinder the biosynthesis of amino acids in weeds, thereby preventing the growth of cells. It can split and grow, but it is very safe for rice, and it is suitable for weeding in different soil types and various types of rice fields. Pre-emergence or early post-emergence treatment has a good control effect on annual and perennial broad-leaved weeds and sedge weeds, such ...

Claims

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Application Information

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IPC IPC(8): A01N47/36
Inventor 吴应多
Owner ZHEJIANG TIANYI AGRI CHEM IND CO LTD
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