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Compositions comprising pyridine carboxylate herbicides and azole carboxylate safeners

A technology of pyridine carboxylate, composition, applied in the field of controlling unwanted vegetation, capable of solving the problems of crop toxicity, damage, killing crops, etc.

Pending 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 may also have phytotoxic effects on crops and cause damage or even kill

Method used

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  • Compositions comprising pyridine carboxylate herbicides and azole carboxylate safeners
  • Compositions comprising pyridine carboxylate herbicides and azole carboxylate safeners
  • Compositions comprising pyridine carboxylate herbicides and azole carboxylate safeners

Examples

Experimental program
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Effect test

example 1

[0154] Safer compositions comprising clofenac-ethyl and Compound A were also tested on spring wheat (TRZAS) and spring barley (HORVS), and the phytotoxicity of the safer compositions on each crop was measured. In addition, the efficacy of the safe composition was measured against undesired vegetation including winter rape (BRSNW, Brassica napus), wild chamomile (MATCH, German chamomile), and Russian thistle (SASKR, Saponaria ).

[0155] The results are summarized in Table 1 below.

[0156] Table 1. Safety of the effect (% visual damage) of clofenac-ethyl and compound A on cereal crops and weeds.

[0157]

[0158] g / ha = gram per hectare

[0159] TRZAS = common wheat (spring wheat)

[0160] HORVS = barley (spring barley)

[0161] BRSNW = Brassica napus (winter rapeseed)

[0162] MATCH = German chamomile (wild chamomile)

[0163] Saskr = Sarkr (Russian thistle)

example 2

[0165] Safer compositions comprising pyrazolediethyl oxalate and compound A were also tested on spring barley (HORVS), spring wheat (TRZAS) and winter wheat (TRZAW) and the effect of safer compositions on plants of each crop was measured. toxicity.

[0166] The results are summarized in Table 2 below.

[0167] Table 2. Safety of the effect (% visual damage) of pyrazole diethyl oxalate and compound A on cereal crops.

[0168]

[0169] g / ha = gram per hectare

[0170] HORVS = barley (spring barley)

[0171] TRZAS = common wheat (spring wheat)

[0172] TRZAW = common wheat (winter wheat)

example 3

[0174] A safer composition comprising pyrazole diethyl oxalate and compound A was also tested on spring wheat (TRZAS) and the phytotoxicity of the safer composition to this crop was measured. In addition, the efficacy of the safening composition was measured against undesired vegetation including hogweed (AMARE, Amaranthus retroflexus), Cyperus cyperus (CYPES, Cyperus sculentus), and common sunflower (HELAN, sunflower).

[0175] The results are summarized in Table 3 below.

[0176] Table 3. Safety of Pyrazolytic Diethyl Oxalate and Compound A Effect (% Visual Damage) on Cereal Crops and Weeds sex.

[0177]

[0178] g / ha = gram per hectare

[0179] TRZAS = common wheat (spring wheat)

[0180] AMARE = ​​Amaranthus retroflexus (hogweed)

[0181] CYPES=Cyperus cyperus (Cyperus cyperus)

[0182] HELAN=Sunflower (common sunflower)

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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) an azole carboxylate 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) an azole carboxylate safener or agriculturally acceptable salt or ester thereof.

Description

[0001] Related application cross-references [0002] This application claims the benefit of priority from U.S. Provisional Application No. 62 / 756,173, filed November 6, 2018, which is incorporated herein by reference in its entirety. Technical field [0003] The present disclosure includes safe compositions comprising carboxypyridine herbicides and carboxyazole safeners, as well as methods of using the compositions to control undesirable vegetation. Background technique [0004] Many recurring problems in agriculture involve controlling the growth of undesirable vegetation that may, for example, negatively affect the growth of desirable vegetation. To help control unwanted vegetation, researchers have produced a variety of chemicals and chemical agents that are effective in controlling this unwanted growth. [0005] In some cases, although herbicides can be effective in controlling undesirable vegetation, they can also have phytotoxic effects on crops and cause damage or ev...

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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