Weeding composition

A herbicidal composition and plant technology, applied in the direction of herbicides, algicides, biocides, animal repellants, etc., can solve the problem of low herbicidal activity

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

However, the synergistic effect present in herbicidal mixtures of two or more herbicidally active substances is only visible in some cases
Due to differences in herbicidal performance, absorption rate, transfer, metabolism, etc., the herbicidal activity of most mixtures is lower than that of the individual components.

Method used

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  • Weeding composition
  • Weeding composition
  • Weeding composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0085] Embodiment 1: wettable powder

[0086] oxaflumezone 1% Bromoxynil 5% Benazone Sodium Salt 10% Sodium butyl naphthalene sulfonate 3% Sodium methylene dinaphthalene sulfonate 3% Silica 20% Kaolin margin

[0087] The above formula is coarsely pulverized in proportion, put into a mixer and mixed evenly, and then jet pulverized to obtain the wettable powder of the herbicidal composition.

Embodiment 2

[0088] Embodiment 2: suspoemulsion

[0089] oxaflumezone 1% Bromoxynil 10% Benedazone 30% Ethoxylated castor oil 5% SOLVESSO TM 200 10% Sodium p-methoxy fatty amidobenzenesulfonate 8% Alkylphenol polyoxyethylene ether formaldehyde condensate sulfate 4% Magnesium Aluminum Silicate 1% Bentonite 1% Silicone 0.1% Glycerol 5% water margin

[0090] Dissolve bromoxynil in SOLVESSO TM 200, add p-methoxy fatty acid amidobenzene sulfonate to obtain oil phase; according to the formula, fenflumezone, bentazone, p-methoxy fatty acid amidobenzene sulfonate, alkylphenol polyoxyethylene ether Grinding and / or high-speed shearing of formaldehyde condensate sulfate and water to obtain suspensions of fenflumezone and bentazone; adding the oil phase to the suspension phase under stirring to obtain a suspoemulsion.

Embodiment 3

[0091] Embodiment 3: water dispersible granules

[0092] oxaflumezone 5% Bromoxynil 15% Benazone Sodium Salt 45% Sodium dodecyl sulfate 3% polycarboxylate 3% ammonium sulfate 4% polyethylene glycol 2% Kaolin margin

[0093] Dry crushing, granulation, drying and sieving of the above formula in proportion to prepare water-dispersible granules of the herbicidal composition.

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PUM

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Abstract

The invention relates to a weeding composition, in particular to a weeding composition for preventing and killing weeds in corn fields. The weeding composition contains three active components which are topramezone, bromoxynil and bentazone, and the matching range of the topramezone, bromoxynil and bentazone by weight is (1-10):(1-100):(1-100). The three components are different in weeding mechanism, and the reagent obtained after compounding combines advantages of the three single reagents, achieves a better weeding effect, has an obvious synergistic effect compared with single reagent utilization, reduces dosage and cost and is safer; the weed killing spectrum is enlarged, and besides the gramineous weed killing effect is excellent, the weeding composition has good preventing and controlling effects on malignant broad leaf weeds and cyperaceae weeds; herbicide resistance generated due to utilization of the single reagent can be relieved.

Description

technical field [0001] The invention relates to a herbicidal composition, in particular to a herbicidal composition for controlling weeds in cornfields. 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 th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/88A01P13/00A01N37/40A01N43/80
Inventor 罗昌炎詹姆斯·T·布里斯托
Owner JIANGSU ROTAM CHEM
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