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Weeding compound containing chalcone and metamifop

A herbicidal composition, the technology of oxazolam, is applied in the directions of herbicides, algaecides, biocides, animal repellents, etc. It can solve problems such as unsatisfactory effect, discoloration and withering, and achieve the effect of saving manpower and material resources, reducing drug dosage and reducing pollution.

Inactive Publication Date: 2017-08-29
上海虎印实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Cyclotrione is currently the only cyclohexenone broad-spectrum herbicide used in rice fields. It is an acetyl-CoA carboxylase (ACCase) inhibitor. After foliar application, it is quickly absorbed and transferred by plants to inhibit new shoots. The growth of the weeds will first turn green, and then change color and die. It is mainly used to control grass weeds such as barnyardgrass and stephenia in paddy fields. It is safe for rice, but the control effect on broad-leaved and sedge weeds is not ideal.
[0007] Some literatures have reported the herbicide composition containing cycloclozone, for example, the patent CN106106455A describes a synergistic herbicidal composition comprising fluroxypyr and cyhalofop-ethyl, fenoxazone or cycloclozone, for To control unwanted vegetation in paddy fields, the patent CN102057924A describes a compound composition containing cyclazone and penoxsulam to control unwanted vegetation in paddy fields, but no literature has disclosed Composition composed of benzotrione and fenpyramid, and there is no relevant test data to support it

Method used

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  • Weeding compound containing chalcone and metamifop
  • Weeding compound containing chalcone and metamifop
  • Weeding compound containing chalcone and metamifop

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Example 1: Preparation of 16% Cyclotrione·oxafluzamide suspension concentrate (weight ratio: 1:15);

[0027] Cyclotrione 1%, fenpyramid 15%, nonylphenol polyoxyethylene ether phosphate 8%, xanthan gum 1%, bentonite 1%, glycerol 3%, water to 100%;

[0028] Each component was weighed according to the above proportions, pre-crushed in proportion, added to a sand mill for grinding, and mixed under high shear to prepare a 16% cyclobufenone·oxentrazone suspending agent.

Embodiment 2

[0029] Example 2: Preparation of 22% Cyclotrione · Methazone wettable powder (weight ratio: 1:10);

[0030] The formula is as follows: Cyclotrione 2%, Methazone 20%, Calcium Lignosulfonate 5%, Tripolyphosphoric acid 3%, NNO 8%, Talc 7%, Kaolin supplemented to 100%;

[0031] Weigh each component according to the above ratio, coarsely pulverize the solid component and send it to the mixer together with other components to mix evenly, and then air-jet pulverize to obtain 22% cyclotrione·oxazole Amine wettable powder.

Embodiment 3

[0032] Example 3: Preparation of 38.5% Cyclotrione·oxafenamide water-dispersible granules (weight ratio: 10:1);

[0033] The formula is as follows: Cyclotrione 35%, Methazone 3.5%, Sticky Powder 3%, Bentonite 4%, Sodium Lauryl Sulfate 7%, Polycarboxylate 5%, Kaolin to 100%;

[0034] Each component was weighed according to the above proportions, dry crushed, granulated, dried, and sieved according to the proportion to prepare 38.5% cyclobufenone·oxafluzed water-dispersible granules.

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Abstract

The invention provides a weeding compound containing chalcone and metamifop. The effective components are chalcone and metamifop with the weight ratio of 1:15-15:1. The weeding compound can be used for preventing and controlling gramineous weeds of paddy rice, and especially for barnyard grass and moleplant seed, the pharmacodynamic tests prove that the complementation between the active components is used for improving the control effect of weeds, and the weeding compound makes up for the deficiency of the single use of a herbicide, has significant synergistic effect and long duration, and is safe for rice crops.

Description

technical field [0001] The invention belongs to the field of agricultural plant protection. More specifically, the present invention relates to a herbicidal composition comprising cycloclozone and mefentrazone. Background technique [0002] Rice is one of the most important food crops in my country. There are many types of weeds in paddy fields, and the types of weeds are different in different regions. There are more than 200 kinds of weeds in the rice areas of the country. Among them, the common and serious weeds are about There are 50 species, and the main weeds include barnyardgrass, sedge, bermudagrass, and daughters. Weeds in rice fields will affect the growth of rice and thus affect the yield of rice. Up to now, many herbicides suitable for weed control in rice fields have been developed. However, there are many kinds of weeds in paddy fields with different characteristics. A single herbicide is often unable to kill a variety of weeds at the same time due to its lim...

Claims

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Application Information

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IPC IPC(8): A01N43/76A01N43/18A01P13/00
CPCA01N43/76A01N43/18A01N2300/00
Inventor 戴元元孙游
Owner 上海虎印实业有限公司
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