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A kind of mixed herbicide containing bentazone, rimsulfuron-methyl and mesotrione and its application

A technology of rimsulfuron-methyl and mesotrione, applied in the direction of herbicides and algicides, applications, biocides, etc., can solve the problem of incomplete and effective control of weeds in cornfields, current crops or subsequent crop residues Poisoning, rimsulfuron-methyl price and other problems, achieve the effect of delaying weed resistance, improving drug efficacy and delaying weed resistance

Active Publication Date: 2011-12-07
NANJING HUAZHOU PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the price of rimsulfuron-methyl is relatively high, and the cost per unit area is high, which greatly restricts its sales and use.
[0011] At present, herbicides in cornfields are limited by the safety of crops, and their herbicidal spectrum is also limited. Using a single herbicide alone cannot completely and effectively control the occurrence of weeds in cornfields. Too long effective period, excessive dosage or uneven application will easily cause residual toxicity to current crops or subsequent crops

Method used

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  • A kind of mixed herbicide containing bentazone, rimsulfuron-methyl and mesotrione and its application
  • A kind of mixed herbicide containing bentazone, rimsulfuron-methyl and mesotrione and its application
  • A kind of mixed herbicide containing bentazone, rimsulfuron-methyl and mesotrione and its application

Examples

Experimental program
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Effect test

Embodiment 1

[0025] Benazone 10%, Mesotrione 8%, Erimsulfuron 2%, Alkylphenol Polyoxyethylene Ether 4%, Polyoxyethylene Polyoxypropylene Block Compound 5%, Xanthan Gum 2%, Vegetable Oil Make up 100%, and prepare the oil suspension concentrate that active ingredient mass percentage content is 20% according to conventional preparation method.

Embodiment 2

[0027] 15% bentazone, 5% mesotrione, 5% rimsulfuron-methyl, 9% NNO (sodium methylenebisturide sulfonate), 5% alkylphenol polyoxyethylene ether, sodium lignosulfonate to 100%, according to the conventional preparation method, it is prepared into a dry suspension whose active ingredient mass percent content is 25%.

Embodiment 3

[0029] Benazone 50%, Mesotrione 23%, Erimsulfuron-methyl 2%, Sodium Lignosulfonate 7%, Sodium Dodecyl Benzene Sulfonate 5%, Ammonium Sulfate 5%, Diatomaceous Earth Top Up 100% According to the conventional preparation method, it is prepared into a water-dispersible granule with an active ingredient mass percentage of 75%.

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Abstract

The invention belongs to the field of weeding, and relates to a mixing weed killer containing bentazone, rimsulfuron and mesotrione, and an application thereof. The mixing weed killer adopts the bentazone, the rimsulfuron and the mesotrione as main effective components, wherein a mass ratio of the bentazone to the rimsulfuron to the mesotrione is 0.1-80:0.1-80:0.1-80, the total mass percentage ofthe three materials in the mixing weed killer is 1-85%. The mixing weed killer provided by the present invention can be applicable for weeding in the corn field after seedling, specifically provides significant effects for prevention and elimination of various grassy weeds or broadleaf weeds in the corn field. Compared to the single weed killer, in the premise of improvement of the efficacy, the weeding composition provided by the present invention delays the resistance generating of the weeds, and has wide weeding spectrum and long effective duration, and provides safeties for the corn and the succeeding crops.

Description

technical field [0001] The invention belongs to the field of herbicides, and relates to a mixed herbicide containing bentazone, rimsulfuron-methyl and mesotrione and an application thereof. technical background [0002] Mechasong, also known as Paicaodan and Bendasone. Chemical name: 3-isopropyl-(1H)-benzo-2,1,3-thiadiazin-4-one-2,2-dioxide, the structural formula is: [0003] [0004] The herbicide is a contact-type selective post-emergence herbicide, which is used for the treatment of stems and leaves at the seedling stage, and works through leaf contact. When used in dry fields, bentazone first passes through the leaf surface and penetrates into the chloroplast to inhibit photosynthesis. Used in paddy fields, bentazone can not only penetrate through the leaves but also absorb through the roots, and transmit to the stems and leaves, which strongly hinders the photosynthesis and water metabolism of weeds, causes nutrient starvation, and causes physiological dysfunction...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/88A01N41/10A01P13/00
Inventor 沈海峰曩潇潇汤飞荣吴敏卞小军
Owner NANJING HUAZHOU PHARMA
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