# US 10,863,743 B2 · Method for controlling PPO resistant weeds

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- Number: US 10,863,743 B2
- Document ID: US10863743B2
- Status: Granted
- Kind: B2
- Application number: 16/321,237
- Filed: 2017-07-25
- Published: 2019-06-06
- Granted: 2020-12-15
- Earliest claimed: 2016-07-29
- Assignees: BASF SE
- Applicants: BASF SE
- Inventors: Gregory Armel; Cyrill Zagar; Andreas Landes; Tobias Seiser
- Web page: https://patentgrep.com/patent/US10863743B2

## CPC

- A01N 43/54: 1,3-Diazines; Hydrogenated 1,3-diazines
- C07D 239/54: as doubly bound oxygen atoms or as unsubstituted hydroxy radicals
- C07D 401/12: linked by a chain containing hetero atoms as chain links
- A01N 41/10: Sulfones; Sulfoxides
- A01N: PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF (preservation of food or foodstuff A23); BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES (preparations for medical, dental or toiletry purposes which kill or prevent the growth or proliferation of unwanted organisms A61K); PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- C07D: HETEROCYCLIC COMPOUNDS (macromolecular compounds C08)

## Abstract

A method for controlling PPO resistant weeds, wherein compounds of formula (I) wherein the variables are defined as given in the description and claims; are applied to the PPO inhibitor herbicide resistant weed, parts of it or its propagation material.

## Claims

### Claim 1

A method for controlling the growth of protoporphyrinogen IX oxidase (PPO) inhibitor herbicide resistant weed, which comprises contacting the weeds, parts of the weeds, propagation material of the weeds, or a habitat of the weeds with at least one compound selected from the group consisting of a compound of formula (I).1 and a compound of formula (I).4:
wherein the PPO resistant weeds are weeds that are resistant to at least one PPO-inhibiting herbicide, except the compounds of formula (I).1 and formula (I).4.

### Claim 2 (depends on 1)

The method of claim 1, wherein the PPO resistant weeds are resistant to at least one PPO-inhibiting herbicide selected from azafenidin and flumioxazin.

### Claim 3 (depends on 1)

The method of claim 1, wherein the PPO resistant weeds are resistant to at least one PPO-inhibiting herbicide selected from fomesafen and lactofen.

### Claim 4 (depends on 1)

The method of claim 1, wherein the PPO resistant weeds are not controlled by the application rate of 200 g/ha or lower of at least one PPO-inhibiting herbicide except the compounds of formula (I).1 and formula (I).4.

### Claim 5 (depends on 1)

The method of claim 1, wherein the PPO resistant weeds are selected from the group consisting of Acalypha ssp., Amaranthus ssp., Ambrosia ssp., Avena ssp., Conyza ssp., Descurainia ssp., Euphorbia ssp. and Senecio ssp.

### Claim 6 (depends on 1)

The method of claim 1, wherein the PPO resistant weeds are selected from the group consisting of Asian copperleaf, smooth pigweed, Palmer amaranth, redroot pigweed, tall/common waterhemp, common ragweed, wild oat, flixweed, wild poinsettia and Eastern groundsel.

### Claim 7 (depends on 1)

The method of claim 1, wherein the PPO resistant weeds are selected from the group consisting of Palmer amaranth, tall/common waterhemp and common ragweed.

### Claim 8 (depends on 1)

The method of claim 1, wherein the PPO resistant weeds contain a AG210 or R98L mutation in the Protox enzyme conferring resistance to PPO-inhibiting herbicides.

### Claim 9 (depends on 1)

The method of claim 1, wherein a herbicidal composition comprising the at least one compound selected from the group consisting of a compound of formula (I).1 and a compound of formula (I).4, and at least one further compound selected from herbicides and/or safeners is applied to the weeds.

### Claim 10 (depends on 9)

The method of claim 9, wherein the at least one further compound is a herbicide selected from class b1) to b15):
b1) lipid biosynthesis inhibitors;
b2) acetolactate synthase inhibitors (ALS inhibitors);
b3) photosynthesis inhibitors;
b4) protoporphyrinogen-IX oxidase inhibitors (PPO inhibitors) other than the compounds of formula (I);
b5) bleacher herbicides;
b6) enolpyruvyl shikimate 3-phosphate synthase inhibitors (EPSP inhibitors);
b7) glutamine synthetase inhibitors;
b8) 7,8-dihydropteroate synthase inhibitors (DHP inhibitors);
b9) mitosis inhibitors;
b10) inhibitors of the synthesis of very long chain fatty acids (VLCFA inhibitors);
b11) cellulose biosynthesis inhibitors;
b12) decoupler herbicides;
b13) auxinic herbicides;
b14) auxin transport inhibitors; and
b15) other herbicides selected from the group consisting of bromobutide, chlorflurenol, chlorflurenol-methyl, cinmethylin, cumyluron, dalapon, dazomet, difenzoquat, difenzoquat-metilsulfate, dimethipin, DSMA, dymron, endothal and its salts, etobenzanid, flamprop, flamprop-isopropyl, flamprop-methyl, flamprop-M-isopropyl, flamprop-M-methyl, flurenol, flurenol-butyl, flurprimidol, fosamine, fosamine-ammonium, indanofan, indaziflam, maleic hydrazide, mefluidide, metam, methiozolin (CAS 403640-27-7), methyl azide, methyl bromide, methyl-dymron, methyl iodide, MSMA, oleic acid, oxaziclomefone, pelargonic acid, pyributicarb, quinoclamine, triaziflam, tridiphane and 6-chloro-3-(2-cyclopropyl-6-methylphenoxy)-4-pyridazinol (CAS 499223-49-3) and its salts and esters; including their agriculturally acceptable salts, amides, esters, and thioesters.

### Claim 11 (depends on 1)

The method of claim 1, wherein an agrochemical composition comprising the at least one compound selected from the group consisting of a compound of formula (I).1 and a compound of formula (I).4, auxiliaries customary for formulating crop protection agents, and optionally at least one further compound selected from herbicides and/or safeners, is applied to the weeds.

### Claim 12 (depends on 1)

The method of claim 1, wherein the at least one compound selected from the group consisting of a compound of formula (I).1 and a compound of formula (I).4 is applied in a locus where PPO tolerant crops are grown.