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Herbicide mixture preparation

A herbicide and preparation technology, applied in the field of pesticides, can solve the problems of low content of powder products, unenvironmental protection, and high dosage, and achieve the effects of stable physical properties, reduced usage, and reduced costs.

Active Publication Date: 2013-01-02
ZHEJIANG XINAN CHEM INDAL GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Because glyphosate used alone has poor control effect on perennial weeds and some broad-leaved weeds, and the dosage is high; oxyfluorfen alone has poor control effect on grass weeds
Although 40% glyphosate · oxyfluorfen wettable powder can be seen on the market, the content of this powder product is relatively low, and more importantly, the product is in powder form, which is not environmentally friendly and cannot be widely used

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] 78kg glyphosate ammonium salt technical, 2kg oxyfluorfen technical, sodium lauryl sulfate 2kg, calcium lignosulfonate 3kg, polyvinylpyrrolidone 1.5kg, triethanolamine oleate 1kg, ammonium sulfate 12.5kg , put into the mixer and mix for 30 minutes, then carry out airflow crushing, so that 90% of the particle size of the material is less than 15 microns, put it into the kneader, add an appropriate amount of water, knead for 40 minutes, put it into the extrusion granulator for granulation, and dry , After sieving, 80% ammonium glyphosate · oxyfluorfen water dispersible granules were obtained.

Embodiment 2

[0026] 5kg of the original drug of glyphosate potassium salt, 56kg of the original drug of oxyfluorfen, 3kg of alkyl naphthalene sulfonate, 6kg of polycarboxylate, 1kg of carboxymethyl cellulose, 2,6-di-tert-butyl p-methyl 0.5kg of phenol, 6kg of urea, 0.1kg of silicone defoamer, and 22.4kg of lactose were added to the mixer and mixed for 40 minutes, followed by jet milling, so that 90% of the particle size of the material was less than 10 microns, put into the kneader, and an appropriate amount of water, kneaded for 30 minutes, put into an extrusion granulator for granulation, dried, and sieved to obtain 61% glyphosate potassium salt · oxyflufen water-dispersible granules.

Embodiment 3

[0028] 80kg of the original drug of glyphosate isopropylamine salt, 3kg of the original drug of oxyfluorfen, 1.5kg of polyoxyethylene ether of alkylphenol formaldehyde resin, 3.5kg of sodium methylene dimethyl naphthalene sulfonate, and 2kg of polyethylene glycol , 3kg of citric acid, 3kg of sodium carbonate, 0.3kg of isooctyl alcohol, and 3.7kg of bentonite were added to the mixer and mixed for 15 minutes, and then jet crushed to make 95% of the particle size of the material less than 12 microns. Put it into the kneader and knead for 60 minutes , directly put into a tablet machine for tableting, drying, and sieving to obtain 83% glyphosate isopropylamine salt · oxyfluorfen tablets.

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Abstract

The invention discloses a herbicide mixture preparation, which includes (by wt%) glyphosate herbicide 10-96, oxyfluorfen 0.1-90, wetting agent 1-5, dispersing agent 1-10, binder 1-10, disintegrant 1.5-15, and filler for allowance. The inventive herbicide mixture preparation mixes glyphosate and oxyfluorfen according to reasonable proportions without changing their weeding activity, and realizes synergism through adding adjuvants and fillers; and it greatly improves the effect on controlling annual gramineous weeds, perennial weeds and broad-leaved weeds, while reducing the pesticide use and cost.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a herbicidal mixed preparation for controlling weeds in fields or non-cultivated lands. Background technique [0002] Glyphosate (Glyphosate) belongs to organophosphorus, is a systemic conduction, broad-spectrum herbicide, mainly inhibits enol acetonyl shikimelin phosphate synthase in plants, thereby inhibiting the conversion of shikime to phenylalanine. , tyrosine and tryptophan conversion, so that protein synthesis is interfered, leading to plant death. Glyphosate is absorbed by stems and leaves and then transmitted to various parts of plants, which can control more than 40 families of plants such as monocots and dicotyledons, annuals and perennials, herbs and shrubs. Glyphosate quickly combines with metal ions such as iron and aluminum to lose its activity after entering the soil, and has no adverse effects on the seeds and soil microorganisms hidden in the soil. Since gl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N57/20A01N33/22A01P13/00
Inventor 王伟周曙光任不凡秦龙钱志刚刘韬王安勇杨旭陈根良
Owner ZHEJIANG XINAN CHEM INDAL GROUP
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