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A herbicide composition and weed technology, applied in the direction of herbicides, algicides, biocides, animal repellents, etc., can solve the problem of poor drug residue effect, insufficient crop safety, and difficult to achieve weed control effect Optimum and other issues, to achieve the effect of reducing the amount of application
Inactive Publication Date: 2013-09-04
JIANGSU ROTAM CHEM
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Problems solved by technology
Studies have shown that using promasulfuron-methyl alone as the active ingredient of herbicides still has some deficiencies, for example, the safety of crops is not h
Method used
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Embodiment 1
[0090] Example 1: 25% promasulfuron-methyl + +1% cyhalofop-ethyl oil suspension
[0097] Mix the active components, dispersant, wetting agent and corn oil according to the ratio of the formula, and grind and / or high-speed shear to obtain 25% promasulfuron-methyl + 1% cyhalofop-ethyl oil suspending agent.
Embodiment 2
[0098] Example 2 10% promasulfuron-methyl+2% cyhalofop-ethyl wettable powder
[0099] Promasulfuron-methyl 10%
[0100] Cyhalofop-ethyl 2%
[0101] Sodium Lauryl Sulfate 10%
[0102] Sodium lignosulfonate 5%
[0103] Silica 10%
[0104] Kaolin supplemented to 100%
[0105] The active ingredient, various additives and fillers are mixed according to the ratio of the formula, and after being pulverized by an ultra-fine pulverizer, the wettable powder of 10% promasulfuron-methyl + 2% cyhalofop-ethyl is obtained.
[0106]
Embodiment 3
[0107] Example 3 1% promasulfuron-methyl+50% cyhalofop-ethyl wettable powder
[0108] Promethazone-methyl 1%
[0109] Cyhalofop-methyl 50%
[0110] Calcium dodecylbenzenesulfonate 1%
[0111] Sodium lignosulfonate 2%
[0112] Silica make up to 100%
[0113] The active ingredient, various additives and fillers are mixed according to the ratio of the formula, and after being pulverized by an ultrafine grinder, the wettable powder of 1% promasulfuron-methyl + 50% cyhalofop-ethyl is obtained.
[0114]
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Abstract
The invention relates to a weeding composition, and especially relates to the weeding composition comprising propyrisulfuron and cyhalofop-butyl, use of the weeding composition, and a corresponding method of weed control. Active ingredients of the weeding composition comprise the propyrisulfuron and the cyhalofop-butyl, wherein a weight ratio of the propyrisulfuron to the cyhalofop-butyl is 100:1 to 1:100. The weeding composition is used for control of gramineae weeds, broadleaf weeds and cyperaceae weeds in crop growth environment. According to the invention, the weeding composition is prepared by complex formulation of herbicides comprising the propyrisulfuron and the cyhalofop-butyl. Because the propyrisulfuron has prevention and control capability to weeds that show resistance to known sulfonylurea herbicides, and the weeding composition is prepared by binary complex formulation of the two herbicides, the weeding composition has an enhanced effect. Compared with single use of one herbicide, control effect on the weeds is significantly enhanced and a weed killing spectrum is enlarged.
Description
technical field [0001] The present invention relates to a herbicidal composition, in particular to a herbicidal composition containing promasulfuron-methyl and cyhalofop-ethyl, its use, and a corresponding weed control method. Background technique [0002] At present, in order to improve the growth quality of crops, the industry is constantly working on the development of herbicides with high herbicidal effect, wide herbicidal spectrum, low toxicity, low residue, and excellent crop selectivity. In the production environment of crops, long-term use of certain herbicides will cause certain weeds to develop resistance to the corresponding drugs. So far, many kinds of sulfonylurea compounds have been practically used in paddy fields, usually in the form of a composition formulation containing two or more active ingredients and various sulfonylureas effective for preventing gramineous weeds. Poaceae weed killer. In recent years, however, weeds resistant to sulfonylurea herbici...
Claims
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Application Information
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