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Weeding composition containing bentazone, oxaziclomefone and benzobicylon and application thereof

The technology of a bicyclic sulcotrione and herbicidal composition, applied in the field of pesticides, can solve the problems of high risk of phytotoxicity, poor effect of barnyardgrass, and damage to rice due to dosage, and achieves broad herbicidal spectrum, high herbicidal activity, and delays weeds. The effect of grass resistance

Active Publication Date: 2020-07-10
JIANGSU REPONT PESTICIDE FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] For the control of field weeds, when using bentazone alone, although it can be used in direct-seeding rice fields and rice transplanting fields, it has a significant effect on controlling sedges and broad-leaved weeds, but it is ineffective against gramineous weeds. The effect of barnyardgrass is not good. Excessive dosage will cause certain damage to rice, and the risk of phytotoxicity is high. Therefore, it is urgent to develop an efficient, safe, and cost-effective herbicide to ensure the control of weeds in the field with one application and ensure the yield of crops.

Method used

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  • Weeding composition containing bentazone, oxaziclomefone and benzobicylon and application thereof
  • Weeding composition containing bentazone, oxaziclomefone and benzobicylon and application thereof
  • Weeding composition containing bentazone, oxaziclomefone and benzobicylon and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] 31% bentazone · oxazicone · bicyclic sulcotrione water dispersible granules: 24% bentazone sodium salt, 1% oxacitrione, 6% bicyclic sulcotrione, 2% sodium lauryl sulfate 6% of formaldehyde condensate of sodium methylnaphthalenesulfonate, 4% of sodium lignosulfonate, 2% of sodium carboxymethyl starch, and 100% of corn starch. (Above content is mass percent content, the same below).

[0029] Preparation method: Mix bentazone sodium salt, oxaziclozone, bicyclic sulcotrione, dispersant, wetting agent, disintegrating agent and filler according to the above formula, pulverize with an ultra-fine jet mill, knead, and then Enter the extruding granulator to granulate, dry in the boiling dryer, and after sieving, take a sample and analyze to obtain the water-dispersible granule containing bentazone, oxaziclozone and bicyclic sulcotrione.

Embodiment 2

[0031] 31% bentazone · oxazicone · bicyclic sulcotrione aqueous suspension concentrate: 24% bentazone sodium salt, 1% oxacitrione, 6% bicyclic sulcotrione, calcium dodecylbenzenesulfonate 3 %, fatty alcohol polyoxyethylene ether 2%, polycarboxylate 2%, sodium methylene bis-naphthalene sulfonate 2%, sodium dodecylbenzene sulfonate 1%, white carbon black 1.0%, xanthan gum 0.25 %, magnesium aluminum silicate 0.5%, sodium benzoate 0.25%, propylene glycol 2%, defoamer 0.5%, and water to make up to 100%.

[0032] Preparation method: Put water into a stainless steel kettle according to the above formula, add bentazone sodium salt, oxazicone and bicyclic sulcotrione under stirring, then add emulsifier, wetting agent, dispersant, thickener, antifreeze agent, fungicide and antifoaming agent, mixed evenly by high-speed shearing, and then put into a horizontal sand mill for grinding, so that the particle size of the preparation is all below 5um, and the preparation containing bentazone, o...

Embodiment 3

[0034]31% bentazone · oxazicone · bicyclic sulcotrione wettable powder: bentazone sodium salt 24%, oxacitrione 1%, bicyclic sulcotrione 6%, sodium lauryl sulfate 2%, Sodium methylene bis-naphthalene sulfonate 2%, sodium lignosulfonate 3%, white carbon black 5%, light calcium carbonate make up to 100%.

[0035] Preparation method: start the double-cone mixer to stir, add bentazone sodium salt, oxazicone and bicyclic sulcotrione, dispersant, wetting agent and filler according to the above formula, mix for 20 minutes, and mix evenly after jet crushing. A wettable powder containing bentazone, oxaziclozone and bicyclic sulcotrione was prepared.

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Abstract

The invention discloses a weeding composition containing bentazone, oxaziclomefone and benzobicyclon. The weeding composition comprises the following active ingredients: bentazone or sodium salt thereof, oxaziclomefone and benzobicyclon, and the weight ratio of bentazone or sodium salt thereof to oxaziclomefone to benzobicyclon is (0.5-50): 1: (0.5-50). The weeding composition is high in weeding activity, complementary in advantages and synergistic; the herbicide controlling spectrum is wide, and the lasting period is long; safety is high, and weed resistance is delayed.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a ternary compound herbicidal composition with bentazone, oxaziclozone and bicyclic sulcotrione as effective active ingredients and an application thereof. Background technique [0002] Benazone (chemical name: 3-isopropyl-(1H)-benzo-2,1,3-thiadiazin-4-one-2,2-dioxide) was developed by Baden Company in Germany in 1968 Successful systemic conduction herbicides, also known as Bentasone, Patriol, etc., are heterocyclic herbicides, and are a selective contact-killing post-emergence herbicide, used to treat weed stems and leaves at the seedling stage . Benedazone is mainly used in rice, soybean, peanut, wheat, corn, broad bean and other crops to control broad-leaved weeds and sedge weeds. It can be used in direct-seeding rice field and transplanting rice field. It has remarkable control effect on Cyperaceae weeds and broad-leaved weeds, but it is ineffective on Gramin...

Claims

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Application Information

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IPC IPC(8): A01N43/88A01N43/86A01N41/10A01P13/00
CPCA01N43/88A01N43/86A01N41/10
Inventor 步康明胡兴华柳文宁徐海元周定坤胡俊
Owner JIANGSU REPONT PESTICIDE FACTORY
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