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Safened compositions comprising pyridine carboxylate herbicides and cloquintocet

A technology of pyridine carboxylic acid and quinoxyacetic acid, which is applied in the direction of herbicides, algicides, biocides, biocides, etc., and can solve the problems of crop phytotoxicity, killing crops, damage, etc.

Active Publication Date: 2021-09-28
CORTEVA AGRISCIENCE LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In some cases, although herbicides are effective in controlling unwanted vegetation, they can also have phytotoxic effects on crops and cause damage or even kill crops

Method used

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  • Safened compositions comprising pyridine carboxylate herbicides and cloquintocet
  • Safened compositions comprising pyridine carboxylate herbicides and cloquintocet
  • Safened compositions comprising pyridine carboxylate herbicides and cloquintocet

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0139] Spring wheat (TRZAS), winter wheat (TRZAW), durum wheat (TRZDU), spring barley (HORVS), winter barley (HORVW) and common oats (AVESA) containing free quinoxyacetic acid (CQC-a) and compound A safe composition, and measured the phytotoxicity of the safe composition for each crop. In addition, the efficacy of the safening composition was measured against undesired vegetation including feverfew (ANTAR, Chamomile), winter rapeseed (BRSNW, Brassica napus), Chamomile chamomile ( MATIN, light chamomile), and wild mustard (SINAR, wild mustard).

[0140] The results are summarized in Tables 1-4 below.

[0141] Table 1. Safety of free quinoxyacetic acid (CQC-a) and compound A on cereal crops (% visual injury).

[0142]

[0143] g / ha = gram per hectare

[0144] TRZAS = wheat (spring wheat)

[0145] TRZAW = wheat (winter wheat)

[0146] TRZDU = wheat (durum wheat)

[0147] HORVS = barley (spring barley)

[0148] HORVW = barley (winter barley)

[0149] AVESA = oats (commo...

example 2

[0177] Tests containing quinoxyacetic acid-dimethylammonium salt (CQC- DMA) and Compound A, and the phytotoxicity of the safe composition to each crop was measured. In addition, the efficacy of the safening composition was measured against undesired vegetation, including wild chamomile (MATCH, German chamomile), Russian thistle (SASKR, oleracea), and winter rapeseed (BRSNW, European rape).

[0178] The results are summarized in Tables 5-6 below.

[0179] Table 5. Safety of quinoxyacetic acid-dimethylammonium salt (CQC-DMA) and compound A on cereal crops (% visual damage).

[0180]

[0181]

[0182] g / ha = gram per hectare

[0183] HORVS = barley (spring barley)

[0184] TRZAW = wheat (winter wheat)

[0185] HORVW = barley (winter barley)

[0186] TRZAS = wheat (spring wheat)

[0187] TRZDU = wheat (durum wheat)

[0188] AVESA = oats (common oats)

[0189] Table 6. Safety (% visual injury) of quinoxyacetic acid-dimethylammonium salt (CQC-DMA) and compound A on ce...

example 3

[0198] Tested on spring barley (HORVS), winter barley (HORVW), spring wheat (TRZAS), winter wheat (TRZAW), durum wheat (TRZDU) and common oats (AVESA) containing quinoxyacetic acid-triethylamine salt (CQC-TEA ) and compound A safe composition, and measured the phytotoxicity of the safe composition to each crop. In addition, the efficacy of the safening composition was measured against undesired vegetation, including wild chamomile (MATCH, German chamomile), Russian thistle (SASKR, oleracea), and winter rapeseed (BRSNW, European rape).

[0199] The results are summarized in Tables 7-8 below.

[0200] Table 7. Safety (% visual injury) of quinoxyacetic acid-triethylamine salt (CQC-TEA) and compound A on cereal crops.

[0201]

[0202]

[0203] g / ha = gram per hectare

[0204] HORVS = barley (spring barley)

[0205] HORVW = barley (winter barley)

[0206] TRZAS = wheat (spring wheat)

[0207] TRZAW = wheat (winter wheat)

[0208] TRZDU = wheat (durum wheat)

[0209] ...

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PUM

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Abstract

Disclosed herein are safened compositions comprising (a) a pyridine carboxylate herbicide or an agriculturally acceptable N-oxide, salt or ester thereof and (b) a quinolinoxy acetate safener or agriculturally acceptable salt or ester thereof. Also disclosed herein are methods of controlling undesirable vegetation, comprising applying to vegetation or an area adjacent the vegetation or applying in soil or water to control the emergence or growth of vegetation (a) a pyridine carboxylate herbicide or an agriculturally acceptable N-oxide, salt or ester thereof and (b) a quinolinoxy acetate safener or agriculturally acceptable salt or ester thereof.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of priority to U.S. Provisional Application No. 62 / 756,163, filed November 6, 2018, which is hereby incorporated by reference in its entirety. technical field [0003] The present disclosure includes safener compositions comprising a carboxypyridine herbicide and a safener, quinoxyacetic acid, and methods of using the safener compositions to control undesired vegetation. Background technique [0004] Many recurring problems in agriculture relate to controlling the growth of undesired vegetation (eg, which may adversely affect the growth of desired vegetation). To help control unwanted vegetation, researchers have produced a variety of chemicals and chemical formulations that are effective in controlling this unwanted growth. [0005] In some cases, although herbicides are effective in controlling unwanted vegetation, they can also have phytotoxic effects on crops and cause damage or...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/40A01P13/02
CPCA01N43/40A01N25/32
Inventor N·M·萨奇维J·基斯特
Owner CORTEVA AGRISCIENCE LLC
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