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Herbicidal weed control from combinations of fluroxypyr and als inhibitors

a technology of als inhibitors and herbicidal weeds, which is applied in the field of herbicidal weed control from combinations of fluroxypyr and als inhibitors, can solve the problems of constant recurring problems in inhibiting crop growth

Inactive Publication Date: 2017-12-07
DOW AGROSCIENCES LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent describes herbicidal compositions containing fluroxypyr and an ALS-inhibiting herbicide such as diclosulam, cloransulam, chlorimuron, or thifensulfuron. These compositions have a synergistic effect, meaning they work better together than either herbicide alone. The herbicides are effective in controlling undesirable vegetation, including herbicide-resistant weeds, in a variety of crops and non-crop areas. The technical effect of this patent is to provide an improved method for weed control that allows for better weed control even in areas where herbicide resistance is a problem.

Problems solved by technology

The protection of crops from weeds and other vegetation which inhibit crop growth is a constantly recurring problem in agriculture.

Method used

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  • Herbicidal weed control from combinations of fluroxypyr and als inhibitors
  • Herbicidal weed control from combinations of fluroxypyr and als inhibitors
  • Herbicidal weed control from combinations of fluroxypyr and als inhibitors

Examples

Experimental program
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Effect test

example 1

Evaluation of Herbicidal Activity of Mixtures under Greenhouse Conditions

[0086]Methodology

[0087]Seeds of the desired test plant species were planted in a peat-based potting soil, Metro-Mix 360® in plastic pots with a surface area of 128 square centimeters (cm2). Metro-Mix 360® consists of formulated Canadian sphagnum peat moss, coarse perlite, bark ash, a starter nutrient charge (with gypsum), a slow-release nitrogen and dolomitic limestone. The plants were grown for 7-19 days in a greenhouse with an approximate 14-hour (h) photoperiod which was maintained at about 29° C. during the day and 26° C. during the night. Nutrients and water were added on a regular basis and supplemental lighting was provided with overhead metal halide 1000-Watt lamps as necessary. The plants were treated with postemergence foliar applications when they reached the third to fourth true leaf stage. All treatments were applied using a randomized complete block trial design, with 4 replications per treatment....

example 2

Evaluation of Herbicidal Activity of Mixtures under Field Conditions

[0092]Methodology

[0093]Field trials were conducted using standard herbicide small plot research methodology. Plots varied from 3×3.3 meter (m) to 4.5×10 m (width×length) with 4 replicates per treatment. The crops used in the field trials were grown using normal cultural practices for land preparation, fertilization, seeding and maintenance to ensure good growth of the crop and the weeds.

[0094]All treatments in the field trials were applied using either pressurized air or carbon dioxide (CO2) backpack or bicycle sprayers calibrated to apply 100-187 L / ha spray volume. Flat Fan spray nozzles were used in all trials, with water as the diluent applied at 275-300 kilopascals (kPa). Weed sizes at application ranged from 10 to 40 cm tall. Commercially available products of fluroxypyr-meptyl (STARANE™, 180 and 333 g ae / L EC), diclosulam (SPIDER® 84WG), and thifensulfuron-methyl (HARMONY® 75WG) were mixed in water at appropri...

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PUM

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Abstract

Provided herein are herbicidal compositions containing of (a) fluroxypyr or an agriculturally acceptable ester or salt thereof and (b) an ALS-inhibiting herbicide, wherein the ALS-inhibiting herbicide is diclosulam, cloransulam, chlorimuron, or thifensulfuron, or an agriculturally acceptable ester or salt thereof. The compositions provide synergistic weed control of undesirable vegetation in areas including, but not limited to, soybean, cotton, corn, sorghum, sunflower, sugarcane, sugar beets, alfalfa, cereals (including but not limited to wheat, barley, rice and oats), non-crop, fallow-bed, perennial crop, fruiting crop, or plantation crop areas.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]This application claims the benefit of U.S. Provisional Patent Application Ser. No. 62 / 009,717 filed Jun. 9, 2014, which is expressly incorporated by reference herein.BACKGROUND[0002]The protection of crops from weeds and other vegetation which inhibit crop growth is a constantly recurring problem in agriculture. Thus, there remains a need for compositions and methods that are effective in controlling undesirable vegetation.SUMMARY[0003]Herbicidal compositions containing synergistically effective amounts of (a) fluroxypyr or an agriculturally acceptable ester or salt thereof and (b) an acetolactate synthase (ALS)-inhibiting herbicide including, but not limited to, diclosulam, cloransulam, chlorimuron, and thifensulfuron, or an agriculturally acceptable ester or salt thereof, are described herein.[0004]Methods of controlling undesirable vegetation that include contacting the undesirable vegetation or the locus thereof with herbicidally eff...

Claims

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Application Information

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IPC IPC(8): A01N43/40A01N47/36A01N43/90
CPCA01N43/90A01N47/36A01N43/40A01N2300/00A01N25/04A01N25/12A01N25/28
Inventor GIFFORD, JAMES M.MANN, RICHARD K.MCVEIGH-NELSON, ANDREA CHRISTINEOUSE, DAVID G.VOGLEWEDE, CHRISTOPHER J.
Owner DOW AGROSCIENCES LLC