Compositions comprising pyridine carboxylate herbicides with synthetic auxin herbicides or auxin transport inhibitors

A technology of pyridine carboxylic acid and composition, which is applied in the direction of herbicides and algicides, plant growth regulators, chemicals for biological control, etc., and can solve problems affecting the growth of desired vegetation, etc.

Active Publication Date: 2021-06-18
CORTEVA AGRISCIENCE LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Many recurring problems in agriculture relate to controlling the growth of undesired vegetation (e.g., which may adversely affect the growth of desired vegetation)

Method used

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  • Compositions comprising pyridine carboxylate herbicides with synthetic auxin herbicides or auxin transport inhibitors
  • Compositions comprising pyridine carboxylate herbicides with synthetic auxin herbicides or auxin transport inhibitors
  • Compositions comprising pyridine carboxylate herbicides with synthetic auxin herbicides or auxin transport inhibitors

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0299] Compositions comprising Compound A and MCPA-dimethylammonium (MCPA-DMA) were tested on undesirable vegetation species, including winter rapeseed, to determine the efficacy of the compositions on these undesirable vegetation species (BRSNW, European rape), wild buckwheat (POLCO, buckwheat vine), Canada thistle (CIRAR, field thistle), wild mustard (SINAR, wild mustard), Russian thistle (SASKR, pigtail), Kochia (KCHSC, Kochia sub), common ash (CHEAL, quinoa), hogweed (AMARE, retroflexus), and wild chamomile (MATCH, German chamomile). Compositions were also tested on spring wheat (TRZAS) and spring barley (HORVS), and the phytotoxicity of the compositions on each crop was measured.

[0300] The results are summarized in Table 1 below.

[0301] Table 1. Herbicidal effect (% visual damage) of compound A and MCPA-DMA on weeds and cereal crops.

[0302]

[0303] g / ha = gram per hectare

[0304] BRSNW = Brassica napus (winter rapeseed)

[0305] POLCO = buckwheat vine (w...

example 2

[0316] Compositions comprising Compound A and 2,4-D-2-ethylhexyl (2,4-D-EHE) were tested to determine the efficacy of the compositions against undesirable vegetation species, including Winter rape (BRSNW, European rape), wild buckwheat (POLCO, buckwheat vine), wild chamomile (MATCH, German chamomile), wild mustard (SINAR, wild mustard), Russian thistle (SASKR, pigtail), Kochia (KCHSC, Kochia), common gray vegetable (CHEAL, quinoa), hogweed (AMARE, Amaranth retrovertica), and Canada thistle (CIRAR, field thistle). Compositions were also tested on spring wheat (TRZAS) and spring barley (HORVS), and the phytotoxicity of the compositions on each crop was measured.

[0317] The results are summarized in Table 2 below.

[0318] Table 2. Herbicidal effect of compound A and 2,4-D-EHE on weeds and cereal crops (% visual damage).

[0319]

[0320] g / ha = gram per hectare

[0321] BRSNW = Brassica napus (winter rapeseed)

[0322] POLCO = buckwheat vine (wild buckwheat)

[0323]...

example 3

[0333] Compositions comprising Compound A and dicamba were tested to determine the efficacy of the compositions against undesired vegetation species including winter rape (BRSNW, Brassica napus), pigweed (AMARE, Amaranthus retroflexus) , Canadian thistle (CIRAR, field thistle), common gray vegetable (CHEAL, quinoa), wild buckwheat (POLCO, buckwheat vine), wild mustard (SINAR, wild mustard), Russian thistle (SASKR, pig hair vegetable), Kochia scoparia (KCHSC , Kochia officinalis), and wild chamomile (MATCH, German chamomile). Compositions were also tested on spring wheat (TRZAS) and spring barley (HORVS), and the phytotoxicity of the compositions on each crop was measured.

[0334] The results are summarized in Table 3 below.

[0335] Table 3. Herbicidal effect of compound A and dicamba on weeds and cereal crops (% visual damage).

[0336]

[0337] g / ha = gram per hectare

[0338] BRSNW = Brassica napus (winter rapeseed)

[0339] AMARE = ​​Amaranthus retroflexus (hogwe...

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Abstract

Disclosed herein are compositions comprising (a) a pyridine carboxylate herbicide or an agriculturally acceptable N-oxide, salt, or ester thereof and (b) a synthetic auxin herbicide, an auxin transport inhibitor, agriculturally acceptable salts or esters thereof, or combinations 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 synthetic auxin herbicide, an auxin transport inhibitor, agriculturally acceptable salts or esters thereof, or combinations thereof.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of priority to U.S. Provisional Application No. 62 / 756708, filed November 7, 2018, which is hereby incorporated by reference in its entirety. technical field [0003] The present disclosure includes compositions comprising (a) a pyridine carboxylic acid herbicide, or an agriculturally acceptable N-oxide, salt, or ester thereof, and (b) a synthetic auxin herbicide, an auxin transport inhibitor, or an agriculturally acceptable N-oxide, salt, or ester thereof. acceptable salts or esters, or combinations thereof. The present disclosure also includes methods of using the 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 chemic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/40A01P13/02A01N39/04A01N39/02A01N37/10A01N43/54A01N43/78A01N37/44A01N37/40A01N43/42
CPCA01N43/40A01N39/04A01N37/10A01N37/30A01N37/40A01N37/44A01N39/02A01N43/42A01N43/54A01N43/78A01N43/90A01N45/02A01N47/34A01N43/38A01N25/32A01P13/00A01N37/34A01N37/38
Inventor N·M·萨奇维J·基斯特
Owner CORTEVA AGRISCIENCE LLC
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