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Bentazone and florasulam synergistic weeding composition and dispersible oil suspending agent thereof

A technology of bioxsulam and a herbicidal composition, which is applied in the field of pesticides, can solve the problems of compound application of bentazone and bioxsulam, etc., and achieves delaying weed drug resistance, good quick-acting performance and the like. Long-lasting, pollution-reducing effect

Inactive Publication Date: 2018-11-23
HEBEI VEYONG BIO CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there are no relevant reports on the compound application of bentazone and florasulam

Method used

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  • Bentazone and florasulam synergistic weeding composition and dispersible oil suspending agent thereof
  • Bentazone and florasulam synergistic weeding composition and dispersible oil suspending agent thereof
  • Bentazone and florasulam synergistic weeding composition and dispersible oil suspending agent thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Weigh bentazone (1%), florasulam 40%, emulsifier AEO-9 (5%), S-20 (10%), Nongru 500# (3%) dispersant NNO (7%) ), wetting agent naphthalenesulfonate (1%), stabilizer nitrogen methyl pyrrolidone (3%), thickener bentonite (3%), silicone defoamer (0.03%), synergist imino di Tetrasodium succinate (5%) and soybean oil make up to 100% by weight. The above raw materials were mixed and dispersed by high-speed shearing for 30 minutes, and sand-milled for 2-3 hours with a sand mill until the D90 of the granules was less than 10 μm, and a 41% bentazone-flusulam synergistic dispersible oil suspension was prepared.

Embodiment 2

[0048] Weigh bentazone (5%), florasulam (35%), emulsifier NP-7 (8%), BY-140 (10%), dispersant sodium pyrophosphate (10%), wetting Agent alkyl sulfonate (5%), stabilizer epichlorohydrin (2%), thickener xanthan gum (1%), silicone defoamer (0.03%), tetrasodium iminodisuccinate (10%), palm oil make up to 100% weight part. The above raw materials were mixed and dispersed by high-speed shearing for 30 minutes, and then sand-milled with a sand mill for 2-3 hours until the D90 of the granules was less than 10 μm, and a 40% bentazone-flusulam synergistic dispersible oil suspension was prepared.

Embodiment 3

[0050] Weigh bentazone (10%), florasulam (40%), emulsifier OP-10 (5%), agricultural milk 500# (12%), dispersant maleic acid-acrylic acid (8%) , wetting agent alkylphenol polyoxyethylene ether phosphate (3%), stabilizer epoxy soybean oil (0.5%), thickener magnesium aluminum silicate (0.5%), xanthan gum (1%), poly Ether defoamer (1%), tetrasodium iminodisuccinate (3%), and corn oil are added to 100% by weight. The above raw materials are mixed and dispersed by high-speed shearing for 30 minutes, and sand-milled with a sand mill for 2-3 hours until the D90 of the granules is less than 10 μm, and a 50% bentazone-flusulam synergistic dispersible oil suspension is prepared.

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PUM

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Abstract

The invention discloses a synergistic weeding composition containing bentazone and florasulam. Two active ingredients have the remarkable synergetic effect after compounded. The invention further discloses a bentazone and florasulam synergistic dispersible oil suspending agent and a preparation method thereof. The oil suspending agent is prepared by the following components according to a weight percentage: 1-40% of bentazone, 1-40% of florasulam, 10-20% of an emulgator, 5-20% of a dispersing agent, 1-5% of a wetting agent, 0.1-3% of a stabilizer, 0.5-3% of a thickening agent, 0.01-1% of a defoaming agent, 1-10% of a synergist, and the balance of filler. The above effective ingredients and additives form a high-dispersion stable suspension system in a non-water system medium through shearing and dispersing in a high speed and sanding by a sand mill. The composition has wonderful control efficiency to multiple grass weeds, is high in crop safety, and capable of enlarging a weeding spectrum, and reducing a usage amount of a pesticide.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and relates to a synergistic herbicidal composition containing two active components of bentazone and florasulam, a synergistic dispersible oil suspension composed of the above active components and adjuvants and its preparation method. Background technique [0002] Bentazone (English name bentazone, also known as bentazone; paicaodan) molecular formula: C 10 h 12 N 2 o 3 S, the pure product is white to yellow crystalline powder. It is a contact type, selective post-emergence herbicide. It is used to treat the stems and leaves of weeds at the seedling stage. It works through leaf contact. Its mechanism of action is to inhibit the photosynthesis of plants. After 2 hours, the assimilation begins to be received, and after 11 hours, the assimilation stops. When used in dry fields, it penetrates into the chloroplast through leaves to inhibit photosynthesis; when used in paddy fields, it can a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/04A01N43/88A01N43/90A01P13/00
CPCA01N25/04A01N43/88A01N43/90
Inventor 周园柴方堃
Owner HEBEI VEYONG BIO CHEM
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