US2014256548A1PendingUtilityA1

Methods of weed control involving aad-1 plants, and pre-plant and/or pre-emergence herbicide applications

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Individually held — no corporate assignee on recordPriority: Aug 19, 2009Filed: Feb 21, 2012Published: Sep 11, 2014
Est. expiryAug 19, 2029(~3.1 yrs left)· nominal 20-yr term from priority
Inventors:Leon B. BraxtonMark PetersonSteve McmasterTerry R. Wright
C12N 9/0069C12N 15/8274C12N 9/0071C12N 15/8275A01H 5/00A01N 37/38A01N 57/20A01N 37/14
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Claims

Abstract

The subject invention includes pre-plant and/or pre-emergence applications of a herbicide to an area or field that is planted with seed comprising an AAD-1 event. In some preferred embodiments, the seed comprises corn event DAS-40278-9. In some preferred embodiments, the herbicide can be a formulation comprising a 2,4-D active ingredient. Such herbicides and formulations can also be used in pre-plant applications. Additional herbicides, such as glyphosate, can be used in combination, including in the pre-plant applications.

Claims

exact text as granted — not AI-modified
1 . A method of controlling weeds, said method comprising planting seed in an area, and applying an aryloxyalkanoate herbicide to said area within 30 days prior to planting seed in said area or within 30 days prior to emergence of a crop from said seed planted in said area, said seed comprising a polynucleotide that encodes an AAD-1 protein having at least 75% identity with the AAD-1 protein encoded by SEQ ID NO:29. 
     
     
         2 . The method of  claim 1 , wherein said herbicide is selected from the group consisting of 2,4-D; 2,4-DB; MCPA; MCPB; and an aryloxyphenoxypropionate. 
     
     
         3 . The method of  claim 1 , wherein said method comprises applying a second herbicide to said area. 
     
     
         4 . The method of  claim 3 , wherein said second herbicide is selected from the group consisting of glufosinate, glyphosate, and dicamba. 
     
     
         5 . The method of  claim 1 , wherein said area is a field, and said herbicide is applied within 7 days, 11 days, 14 days, or 15 days of applying the herbicide. 
     
     
         6 . The method of  claim 1 , wherein said method is used for controlling glyphosate-resistant weeds in said area, wherein said seed is grown into a plant further comprising a glyphosate tolerance trait, and said method comprises applying an aryloxyalkanoate herbicide to at least a portion of said area. 
     
     
         7 . The method of  claim 1  wherein said herbicide is a phenoxy auxin. 
     
     
         8 . The method of  claim 6  wherein said herbicide is applied from a tank mix with glyphosate. 
     
     
         9 . The method of  claim 6  wherein at least one of said weeds is a glyphosate-resistant volunteer of a different species than said plant. 
     
     
         10 . The method of  claim 1 , wherein said weeds are in an area under cultivation, said area comprising a plurality of plants grown from said seeds, said method comprising applying an aryloxyalkanoate herbicide over the top of the plants. 
     
     
         11 . The method of  claim 10 , said method comprising applying the herbicide pre-emergence, post-emergence, or pre-emergence and post-emergence to the plants, parts of the plants, and/or to the area under cultivation. 
     
     
         12 . The method of  claim 10 , said method comprising applying said herbicide jointly or separately with a second herbicide. 
     
     
         13 . The method of  claim 11 , said method comprising applying said herbicide jointly or separately with a second herbicide. 
     
     
         14 . The method of  claim 1 , wherein said aryloxyalkanoate herbicide is a 2,4-D amine, and said 2,4-D amine is applied at a rate within a range selected from the group consisting of 560, 1120, 2240, and 4480 g ae/ha. 
     
     
         15 . The method of  claim 4 , wherein said glyphosate is applied at a rate from 420 to 1680 g ae/ha. 
     
     
         16 . The method of  claim 15 , wherein said glyphosate is applied at a rate from 560 to 840 g ae/ha. 
     
     
         17 . The method of  claim 1 , wherein said aryloxyalkanoate herbicide is a 2,4-D amine, and said 2,4-D amine is applied at a rate 280-1120 g ae/ha. 
     
     
         18 . The method of  claim 1 , wherein said seed is from a plant selected from the group consisting of a corn plant, a cotton plant, a rice plant, and a soybean plant. 
     
     
         19 . The method of  claim 1 , wherein said polynucleotide comprises SEQ ID NO:29. 
     
     
         20 . The method of  claim 1 , wherein said seed comprises a genome comprising AAD-1 event DAS-40278-9 as present in seed deposited with American Type Culture Collection (ATCC) under Accession No. PTA-10244. 
     
     
         21 . The method of  claim 1 , wherein applying said herbicide is prior to planting said seed. 
     
     
         22 . The method of  claim 1 , wherein planting said seed is prior to applying said herbicide. 
     
     
         23 . The method of  claim 22 , wherein said herbicide is applied 0-2 days after planting.

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