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Environmentally friendly high efficiency paddy field herbicide and preparation method thereof

A technology for paddy fields and herbicides, applied in the directions of herbicides and algaecides, botanical equipment and methods, biocides, etc. The effect of saving resources and reducing packaging costs

Inactive Publication Date: 2012-04-18
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide an environmentally friendly and efficient paddy field herbicide and its preparation method, which can overcome the shortcomings of existing pesticide formulations such as environmental pollution, harm to human health, high use cost, inconvenient use, and waste of resources.

Method used

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  • Environmentally friendly high efficiency paddy field herbicide and preparation method thereof
  • Environmentally friendly high efficiency paddy field herbicide and preparation method thereof
  • Environmentally friendly high efficiency paddy field herbicide and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Example 1: Weigh 20% bispyribac, wetting agent sodium lauryl sulfate 4%, dispersant polycarboxylate 2700 4%, sodium lignosulfonate 3%, disintegrant sodium sulfate 5%, synergist 11 %, filler kaolin supplemented to 100%. After the above materials are mixed evenly, the mother powder is obtained by pulverizing with a jet mill, and the mother powder is mixed with the binder sucrose 0.5% and water evenly, and then granulated and sieved to obtain 20% bispyribac ether water-dispersible granules . After inspection, the active ingredient content is 20.0%, moisture ≤ 1%, PH value 7.2, sieving (through 325 mesh sieve) ≥ 98%, suspension rate ≥ 80%, persistent foaming (1min) ≤ 10mL, wettability ≤ 1min, the accelerated thermal storage stability is qualified.

[0029] This embodiment is used for the prevention and treatment of weeds in the direct seeding field of rice. It is applied at the stage of weeds with 3 leaves and 1 heart to 6 leaves and 1 heart. ~100%, and the control age...

Embodiment 2

[0030] Example 2: Weigh 50% bispyribac, 4% wetting agent sodium lauryl sulfate, 2% polycarboxylate 2700 dispersant, 2% naphthalenesulfonate formaldehyde condensate, 4% sodium lignosulfonate, and disintegrate The agent urea is 10%, the synergist is 11%, and the filler diatomaceous earth is supplemented to 100%. After the above materials are mixed evenly, the mother powder is obtained by pulverizing with a jet mill, and the mother powder is mixed with the binder sucrose 0.5% and water evenly, and then granulated and sieved to obtain 50% bispyribac ether water-dispersible granules . After inspection, the active ingredient content is 50.0%, moisture ≤ 2.0%, pH value 7.4, sieving (through 325 mesh sieve) ≥ 98%, suspension rate ≥ 80%, persistent foaming (1min) ≤ 10mL, wettability ≤ 1min, dust ≤ 3.0%, the accelerated heat storage stability is qualified.

[0031] This embodiment is used for the prevention and treatment of weeds in the direct seeding field of rice. It is applied at...

Embodiment 3

[0032] Example 3: Weigh 30% of bispyribac, 5% of wetting agent alkylphenol polyoxyethylene ether, 4% of dispersant polymer EO-PO block copolymer, 4% of sodium lignosulfonate, 5% of disintegrating agent urea, Synergist 11%, filler kaolin supplemented to 100%. After the above materials are mixed evenly, the mother powder is obtained by pulverizing with a jet mill, and the mother powder is mixed with the binder sucrose 0.5% and water evenly, and then granulated and sieved to obtain 30% bispyribac ether water-dispersible granules . After inspection, the active ingredient content is 30%, moisture ≤ 1%, PH value 7.2, sieving (through 325 mesh sieve) ≥ 98%, suspension rate ≥ 80%, persistent foaming (1min) ≤ 10mL, wettability ≤ 1min, the accelerated thermal storage stability is qualified.

[0033] This embodiment is used for the prevention and treatment of weeds in the direct seeding field of rice. It is applied at the stage of weeds with 3 leaves and 1 heart to 6 leaves and 1 hea...

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Abstract

The invention discloses an environmentally friendly high efficiency paddy field herbicide and a preparation method thereof. The active component of the herbicide is bispyribac-sodium. The herbicide comprises the following components, by weight, 5-60% of bispyribac-sodium, 1-5% of a wetting agent, 2-8% of a dispersant, 5-30% of a synergist, 1-10% of a disintegrant, 0.5-2% of a binder, and the balance filler. The preparation method comprises the following steps: mixing above raw materials except the binder, crushing, adding the binder, granulating, detecting and screening. The drug effect of the herbicide is 10-20% higher than the drug effect of herbicides prepared with the prior art, and the herbicide allows weed damage problems of the paddy field to be effectively solved and the drug consumption cost to be reduced. The herbicide completely uses no organic solvents, and the pollution of dusts and other harmful substances does not exist in the process of production, packaging and usage, so the herbicide is friendly to environment. The preparation method of the herbicide, which has the advantages of simple technology, low cost and convenient industrialization production, has a wide production application prospect.

Description

technical field [0001] The invention belongs to a pesticide preparation and a preparation method thereof, in particular to an environment-friendly and high-efficiency paddy field herbicide and a preparation method thereof. Background technique [0002] In recent years, due to the high yield, labor-saving and labor-saving of direct-seeding rice fields, it has been successfully promoted and planted in large quantities across the country. But at the same time, it also brings aggravation of weed damage. Due to the early germination of weeds in the live broadcast field, the individual growth space is relatively large, the growth is vigorous, and the spread is fast, which will easily form "grass shortage". According to the survey, the amount of grass in the direct-seeding field is generally 3 to 6 times that of the transplanted field, and it is more than 10 times in the severe field. The aggravation of weed damage directly leads to the increase of herbicide usage. [0003] The cu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/54A01N25/12A01N25/04A01P13/00
Inventor 彭述明阎工程陈佛祥
Owner GUANGDONG ZHONGXUN AGRI TECH
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