A herbicide composition suitable for cornfields and sugarcane fields and its formulation

A herbicide and composition technology, applied in the field of pesticides, can solve the problems of herbicide varieties and dosage forms aging, lack of suitable herbicide products, and huge loss of sugarcane yield, etc., to reduce the amount of use, improve the control effect, and achieve huge economic benefits. The effect of benefits and social benefits

Active Publication Date: 2021-12-03
GUANGXI RES INST OF CHEM IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the types and formulations of herbicides used for chemical control of weeds in sugarcane fields are seriously outdated. The majority of sugarcane farmers use the same herbicide for weeding operations for a long time. Due to the increase in weed resistance year by year, the dosage of sugarcane herbicides has increased rapidly. The same herbicide products with different contents and ratios are constantly on the market, so that the ideal method of chemical weeding in sugarcane fields gradually loses its advantages, resulting in the growth of weeds and a huge loss of sugarcane yield
Moreover, due to the continuous expansion of the planting area of ​​high-yield and high-sugar varieties of sugarcane, these high-sugar varieties are extremely sensitive to herbicide products commonly used in sugarcane, especially products containing 2-methyl-4-chloride sodium, atrazine, and diuron. Promote apps on it
At present, there is no suitable herbicide product for high-sugar sugarcane varieties

Method used

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  • A herbicide composition suitable for cornfields and sugarcane fields and its formulation
  • A herbicide composition suitable for cornfields and sugarcane fields and its formulation
  • A herbicide composition suitable for cornfields and sugarcane fields and its formulation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Example 1: 27% methoxam·fluridafen-methyl·oxaflumele emulsifiable concentrate.

[0042] The herbicide composition raw material consumption of the present embodiment is:

[0043] Metochlor 25kg, flupyridoxate 1kg, fenmetazone 1kg, methanol 20kg, acetone 20kg, calcium dodecylbenzenesulfonate 8kg, alkylphenol polyoxyethylene ether 7kg, methylene bis-naphthalenesulfonic acid Sodium 5kg, polyvinyl alcohol 4kg, ethylene glycol 3kg, methylcellulose 2kg, organic silicon 3kg, sodium hydroxide 1kg.

[0044] The preparation method of the herbicide composition of the present embodiment is:

[0045] Put the above materials together into the reactor mixer, stir for 90 minutes, and mix well until the homogeneous liquid phase is obtained.

Embodiment

[0046] Example: 2: 35% methoxam·fluridazenzap-oxazone microemulsion.

[0047] The herbicide composition raw material consumption of the present embodiment is:

[0048] Metochlor 20kg, flupyridoxate 7kg, oxazone 8kg, xylene 10kg, dimethyl sulfoxide 10kg, phenethylphenol polyoxyethyl ether 6kg, polysorbate 6kg, lignosulfonate 5kg, melon Glue 4kg, carboxymethyl cellulose 6kg, phenylethyl alcohol oleate 6kg, triethanolamine 4kg, water 8kg.

[0049] The preparation method of the herbicide composition of the present embodiment is:

[0050] Put the above materials (except water) into the reactor mixer together, stir for 90 minutes, mix thoroughly, then slowly add water while stirring, and stir for another 30 minutes, after fully mixing, the microemulsion is obtained.

Embodiment 3

[0051] Example 3: 46% dispersible oil suspension concentrate of methoxam·fluridazenzap-oxentrazone.

[0052] The herbicide composition raw material consumption of the present embodiment is:

[0053] Methochlor 15kg, Flupyridazon 20kg, Mefentrazone 11kg, Epoxy Soybean Oil 24kg, Sodium Dodecyl Benzene Sulfonate 10kg, Methylcellulose 7kg, Xanthan Gum 5kg, Polyethylene Glycol 2kg , polyoxypropylene glyceryl ether 4kg, sodium acetate 2kg.

[0054] The herbicide composition raw material consumption of the present embodiment is:

[0055] Put the above materials together into the reactor mixer, stir for 2 hours, then inject the materials into the sand mill for grinding, the fineness of the ground materials is 98% and pass through 1-5um, and then the materials are discharged, and then the materials are put into the high-speed shearing machine In the medium, the oil suspension can be obtained after shearing.

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Abstract

The invention discloses a herbicide composition suitable for cornfields and sugarcane fields, which consists of methoxam, flupyridazen-methyl and fenmetrazone. The composition is safe to corn and sugar cane, can reduce the dosage of herbicide per unit area, improve the herbicide effect and reduce the drug cost. The composition can be formulated into emulsifiable concentrate, microemulsion, suspension concentrate, dispersible oil suspension concentrate, wettable powder or water dispersible granule, and is used for controlling annual weeds in cornfields and sugarcane fields.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a herbicide composition suitable for cornfields and sugarcane fields, a preparation method and application thereof. Background technique [0002] Herbicides reduce human labor to a certain extent. In recent years, herbicides have been widely used in corn fields and sugarcane fields in my country. [0003] However, for corn herbicides, herbicide poisoning occurs to varying degrees every year, especially since this year, this phenomenon has been on the rise, not only causing a decrease in corn yields, but even serious crop failures. It has been reported that nicosulfuron, sodium 2-methyl-4-chloride, and acetochlor have phytotoxicity on corn. Therefore, one of the key factors to ensure the safe cultivation of corn is the scientific use of herbicides. [0004] However, the types and formulations of herbicides used for chemical control of weeds in sugarcane fields are seriously o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/58A01N43/80A01N37/20A01P13/00
CPCA01N37/20A01N43/58A01N43/80
Inventor 易芬远阮恒韦茂春王超余青云杨淑兰李略
Owner GUANGXI RES INST OF CHEM IND CO LTD
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