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

A technology of rimsulfuron-methyl and herbicides, applied in the field of herbicides, can solve the problems of incomplete and effective control of weeds in cornfields, residual toxicity of current crops or subsequent crops, restrictions on sales and use, etc., and achieve delay of weeds. Grass resistance, improve drug efficacy, improve the effect of control effect

Active Publication Date: 2011-12-07
NANJING HUAZHOU PHARMA
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  • 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 atrazine and its application
  • A kind of mixed herbicide containing bentazone, rimsulfuron-methyl and atrazine and its application
  • A kind of mixed herbicide containing bentazone, rimsulfuron-methyl and atrazine and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Benazone 10%, Atrazine 28%, Erimsulfuron 2%, Alkylphenol Polyoxyethylene Ether 4%, Polyoxyethylene Polyoxypropylene Block Compound 5%, Xanthan Gum 2%, Vegetable Oil Supplement 100%, according to the routine preparation method, be mixed with the oil suspension concentrate that active ingredient mass percent content is 40%.

Embodiment 2

[0027] 10% bentazone, 14% atrazine, 1% 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 40%, Atrazine 33%, Erimsulfuron-methyl 2%, Sodium Lignosulfonate 7%, Sodium Dodecylbenzenesulfonate 5%, Ammonium Sulfate 5%, Diatomaceous Earth Supplement 100%, According to the conventional preparation method, the water-dispersible granules with an active ingredient mass percent content of 75% are formulated.

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Abstract

The invention belongs to the field of herbicide, and relates to a mixed herbicide containing bentazone, rimsulfuron and atrazine, and application thereof. The herbicide comprises main effective components of bentazone, rimsulfuron and atrazine in a mass ratio of 0.1-80:0.1-80:0.1-80, and the three accounts for 1-85wt% in the herbicide. The mixed herbicide has substantial effects on application toweeding after seedling in soybean field, and especially application to control of gramineae weeds and broad leaf weeds in soybean field. Compared with a single dose, the herbicide of the invention, on the premise of enhancing drug effect, delays weed resistance, has a wide weeding spectrum and a long persistent period, and is safe to soybean and later crops.

Description

technical field [0001] The invention belongs to the field of herbicides, and relates to a mixed herbicide containing bentazone, rimsulfuron-methyl and atrazine and an application thereof. technical background [0002] Benazone, also known as paicaodan, bentazon, chemical name: 3-isopropyl-(1H)-benzo-2,1,3-thiadiazin-4-one-2,2-dioxide thing, 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, it first penetrates into the chloroplast through the leaf surface to inhibit photosynthesis. The use of paddy fields can not only penetrate through the leaves but also absorb through the roots, and then transmit to the stems and leaves, which strongly hinders the photosynthesis and water metabolism of weeds, causes nutrient starvation, and causes physiological dysfunction and death. The activ...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01N43/88A01N43/70A01P13/00
Inventor 杨寿海郭崇友陈新春高瑞花姜军伟
Owner NANJING HUAZHOU PHARMA
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