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Weeding composition with tembotrione

A technology of herbicidal composition and tembotrione, which is applied in the direction of herbicide, algicide, biocide, animal repellent, etc., can solve the problems of great difference in sensitivity, big difference in selectivity, and difficult control, etc. Reach the effect of reducing dosage, long-lasting effect and reducing pesticide usage

Inactive Publication Date: 2015-11-04
JINGBO AGROCHEM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are large differences in selectivity, and the sensitivity of different plants to sulfonamide herbicides varies greatly. For example, Kuocaoqing is rapidly metabolized in corn plants, and its half-life is only 2 hours, while the half-life in the weed Amaranthus retroflexi is 2 hours. up to 104 hours
[0019] Different herbicides have different control effects on different weeds. There are many types of weeds in the crop field, so it is difficult to control them well. At the same time, a single application will also cause changes in the grass phase in the field. High-efficiency compositions are the future direction, and good drug efficacy, broad spectrum of prevention and treatment, and slow resistance are the needs of development

Method used

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  • Weeding composition with tembotrione
  • Weeding composition with tembotrione
  • Weeding composition with tembotrione

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Example 1: 70% Cyclosulfone·Amcarbazone Water Dispersible Granules

[0043] The composition of the formula, taking a sample of 100 grams as an example: 15 grams of cyclosulfone, 55 grams of amicarbazone, 8 grams of polycarboxylate dispersant, 5 grams of naphthalene sulfonate dispersant, 7 grams of sodium carboxymethyl starch, ten 1 gram of sodium dialkyl sulfate, 5 grams of ammonium sulfate, and 100 grams of oxidized corn starch.

[0044] Preparation method: After mixing the above-mentioned materials, they are pulverized by airflow, and then tested for fineness and content. After the test is qualified, water is added and mixed, and then granulated and dried according to the extrusion method. After the test is qualified, the finished product is divided into packaging.

[0045] The 70% Cyclosulfone·Amcarbazone WG sample prepared in this way, 70% Amcarbazone WG and 10% Cyclosulfone wettable powder were tested for control effect. The test results are shown in Table 1-1

[0046] Ta...

Embodiment 2

[0054] Example 2: 12% Sulfonone·Penoxsulam Oil Suspension

[0055] The composition of the formula, taking a 100 g sample as an example: 10 g of sulfone, 2 g of penoxsulam, 1.8 g of organic bentonite, 2 g of fumed white carbon black, 1 g of sodium carboxymethyl starch, fatty alcohol polyoxyethylene ether 5 grams, Span 80 emulsifier 5 grams, polyethylene glycol dioleate 4 grams, linoleic acid polyethylene glycol glyceride 4 grams, calcium dodecyl benzene sulfonate 2 grams, soybean oil supplement 100 grams .

[0056] Preparation method: After mixing the above-mentioned materials, perform sanding, grinding and testing. After the testing is qualified, the finished product can be obtained by packaging.

[0057] The 12% penoxsulam oil suspension sample, 2.5% penoxsulam oil suspension sample and 10% penoxsulam oil suspension sample prepared in this way were used for comparative test of drug efficacy. The test results are shown in Table 2-1

[0058] table 2-1

[0059]

[0060] It can be seen ...

Embodiment 3

[0065] Example 3: 55% Cyclosulfone·acetochlor EC

[0066] The composition of the formula, taking a 100g sample as an example: 5 grams of cyclosulfone, 50 grams of acetochlor, 10 grams of N-methylpyrrolidone, 3 grams of fatty alcohol polyoxyethylene ether, and phenylethylphenol formaldehyde resin polyoxyethylene ether 4 Grams, 4 grams of calcium dodecylbenzene sulfonate and 100 grams of C10 solvent oil.

[0067] Preparation method: the above-mentioned materials are mixed and dissolved and then tested. After the test is qualified, the finished product is obtained by sub-packaging.

[0068] Separate cyclosulfone and acetochlor as well as cyclosulfone and alachlor according to 30 / 1, 20 / 1, 10 / 1, 5 / 1, 1 / 1, 1 / 5, 1 / 10 / , 1 / 20 , 1 / 30, the ratio of compounding, respectively, with 50% acetochlor EC, 5% sulfone EC, 5% sulfone EC, 43% alachlor EC as controls, the indoor toxicity of iron amaranth and sedge For force determination, the results of co-toxicity coefficients of cyclic sulfone in each ...

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Abstract

The invention relates to the application field of agricultural weed killers, in particular to a weeding composition with tembotrione. The weeding composition is characterized by being composed of the tembotrione and a weed killer A, wherein the mass fraction of active ingredients is 3-90%, the mass ratio of the tembotrione to the weed killer A is 30:1-1:30, and the weeding composition can be prepared into dosage forms of water suspension, oil suspension,suspended emulsion, emulsion oil, micro emulsion, water emulsion, wettable powder, water dispersible granules, granula and dry suspending agent. The weeding composition is used for controlling weeds in corn fields or other places.

Description

Technical field: [0001] The invention belongs to the application field of pesticides and herbicides, and relates to the application of a synergistic herbicidal composition ratio in agriculture. Background technique: [0002] Tembotrione is a triketone corn field herbicide developed by Bayer in 2007. Its activity is higher than nitrosulfen (mesotrione, mesotrione) and is safe for crops. [0003] The name of the product is: Laudis, [0004] The IUPAC name is: [0005] 2-{2-chloro-4-mesyl-3-[(2,2,2-trifluoroethoxy)methyl]benzoyl}cyclohexane-1,3-dione CAS No:335104-84-2 [0006] Molecular weight: 468.83 [0007] Molecular formula: C 17 H 16 ClF 3 O 6 S [0008] Structural formula: [0009] [0010] Cyclosulfone technical is a beige powder with no special smell. The pure product is solid or powder at room temperature. The melting point is 123℃, the decomposition point is about 150℃, and the relative density is D. 20 1.56g / mL, the vapor pressure at 25℃ is 2.9x 10 -10 hPa, the decomposition degr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/653A01N43/90A01N41/10A01N47/36A01P13/00A01N37/26A01N37/22A01N39/04
Inventor 王成宋妍戴荣华韦能春许兴志冀琳琳吴磊
Owner JINGBO AGROCHEM TECH CO LTD
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