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Weeding composition

A technology of herbicidal composition and combination, which is applied in the field of herbicidal composition in corn fields, and can solve the problems of slow weed killing speed, fast weed killing speed, and unfavorable drug effect.

Active Publication Date: 2016-11-23
JIANGSU ROTAM CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] However, the drug effect of fenflutrazone has a certain relationship with the light conditions. After application, the light conditions are good, which is conducive to the full effect of the drug, and the cloudy day is not conducive to the normal effect of the drug.
When the temperature is above 10℃, the weed killing speed is fast, and the effect will be effective in 2~3 days, while the weed killing speed will be slower during the low temperature period

Method used

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  • Weeding composition
  • Weeding composition
  • Weeding composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] Example 1: Wettable powder

[0069] Saflufenacil 50%

[0070] Carfentrazone 1%

[0071] Sodium Butyl Naphthalene Sulfonate 3%

[0072] Sodium methylene dinaphthalene sulfonate 3%

[0073] White carbon black 20%

[0074] Kaolin margin

[0075] The above formula is roughly pulverized according to the proportion and then enters into a mixer to mix uniformly, and then is pulverized by airflow to obtain a wettable powder of the herbicidal composition.

Embodiment 2

[0076] Example 2: Supoemulsion

[0077] Saflufenacil 1%

[0078] Carfentrazone 50%

[0079] Nongru 1601# 5%

[0080] Methyl oleate 15%

[0081] Sodium p-Methoxy Fatty Amidobenzene Sulfonate 8%

[0082] Alkylphenol polyoxyethylene ether formaldehyde condensate sulfate 4%

[0083] Magnesium aluminum silicate 1%

[0084] Bentonite 1%

[0085] Silicone 0.1%

[0086] Glycerol 5%

[0087] Ionized water

[0088] Dissolve carfentrazone in methyl oleate, add Nongru 1601# to obtain the oil phase; according to the formula, add saflufenacil, sodium p-methoxy fatty acid amide benzene sulfonate, and alkylphenol polyoxyethylene ether formaldehyde The condensate sulfate and water are ground and / or high-speed sheared to obtain an aqueous suspension of saflufenacil; under stirring, the oil phase is added to the water phase to obtain the suspoemulsion.

Embodiment 3

[0089] Example 3: Water dispersible granules

[0090] Saflufenacil 30%

[0091] Carfentrazone 30%

[0092] Sodium lauryl sulfate 5%

[0093] Polycarboxylate 5%

[0094] Sodium chloride 10%

[0095] Polyethylene glycol 5%

[0096] Kaolin margin

[0097] The above formula is dry pulverized, granulated, dried and sieved in proportion to prepare water dispersible granules of the herbicidal composition.

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Abstract

The invention relates to a weeding composition, in particular to a binary composite weeding composition applied to corn fields. The weeding composition contains active ingredients including saflufenacil and carfentrazone by the weight ratio of 100:1-1:100. The invention further relates to application of the weeding composition in preventing and killing undesirable plants such as broadleaf weeds, cyperaceae weeds and gramineous weeds. The weeding composition generates a synergistic gain effect when used for preventing and killing undesirable plants such as broadleaf weeds, cyperaceae weeds and gramineous weeds.

Description

technical field [0001] The invention relates to a herbicidal composition, in particular to a binary compound herbicidal composition applied to corn fields. Background technique [0002] In crop farming, it is important to control weeds and protect crops that inhibit crop growth and result in lower yields. In order to reduce losses due to weeds in crop cultivation, such as poor growth or reduced crop yield, some herbicidal active ingredients that are effective in controlling the weeds and are safe to crops have been developed. To date, a large number of herbicides have been developed that have been registered and used to control weeds in certain crops. Herbicides for controlling weeds in specific crop cultivation should have sufficiently high herbicidal activity and broad herbicidal spectrum, and should be sufficiently safe for the environment and crops. However, not all herbicides can fully meet the above requirements. [0003] The most commonly used method for increasing...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/653A01P13/02A01N43/54
Inventor 罗昌炎詹姆斯·T·布里斯托
Owner JIANGSU ROTAM CHEM
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