CN106665588A - Weeding composition for rape fields - Google Patents
Weeding composition for rape fields Download PDFInfo
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- CN106665588A CN106665588A CN201611137700.0A CN201611137700A CN106665588A CN 106665588 A CN106665588 A CN 106665588A CN 201611137700 A CN201611137700 A CN 201611137700A CN 106665588 A CN106665588 A CN 106665588A
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- Prior art keywords
- propyl
- weed
- rape
- metazachlor
- weeds
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a weeding composition for rape fields. The weeding composition is composed of active ingredients: pyribambenz-propyl and metazachlor in mass ratio of 1:(1-40). The weeding composition for rape fields has a synergetic effect, is mainly applied by mist spray about 10 days after rape transplanting, and can control grassy weed such as blue grass, barnyard grass and crab grass popular in rape fields, broad leaved weed such as malachium aquaticum and veronica polita, as well as sedge weed such as eleocharis yokoscensis. The weeding composition for rape fields has the characteristics of high weeding activity, broad weed control spectrum and convenience in use, is safe to rapes and belongs to environment-friendly herbicides.
Description
Technical field
The invention belongs to pesticide herbicide technical field, more particularly to propyl-ester nitorfen and metazachlor composition for preventing and kill off
The Herbicidal combinations of rape field weed.
Background technology
Brassica campestris L is the maximum oil crop of China's cultivated area, and its Semen Brassicae campestris is that China's important food plant oil raw material comes
Source and forage protein source, Oleum Brassicae campestriss are domestic the first self-produced big edible vegetable oil, and yield accounts for the 40% of domestic edible vegetable oil
More than.China is Rape-seed production big country, and rapeseed cultivation area and yield are sure to occupy first place in the world for a long time, account for 30% of the world or so.
Promote Rape industry overall, concerted and sustainable development, recover and improve Brassica campestris L integrated production capacity, it is domestic edible for ensureing
Vegetable oil effective supply and strategic security, promote economic society stable development significant.But all the time, all kinds of weeds
The yield of Brassica campestris L is have impact on, according to investigations, the field of Weed infestation its yield of rape is lost typically in 10-20%, serious loss
40-50%.Herbicide used in rape field development is more delayed, and kind is few；What wherein application was wider is haloxyfop-r-methyl, grass
Except spirit, Quizalotop-ethyl etc..Through the life-time service of several years, weeds generated drug resistance, and the grass of weeds in field mutually also there occurs
Some changes, this herbicide manufacturing enterprise to us propose new requirements at the higher level.
Rapeseed Field new herbicides of the propyl-ester nitorfen for China's independent intellectual property right, by Zhejiang Provincial Chemical Engineering Research Inst and middle section
Institute's Shanghai Institute of Organic Chemistry is formulated jointly, is absorbed and conducted in plant body by root, bud, stem, leaf, absorbed and conducted upwards with root, stem
Based on.It is mainly used in Rapeseed Field, can prevents and kill off annual gramineous weed and part broad leaved weed, such as amur foxtail, cyperus iria, numerous
Thread etc..Consumption is low, herbicidal spectrum is wide, prevention effect is good, environmentally friendly.
Metazachlor belongs to chloracetophenone amine herbicide.The main weeds prevented and kill off have rat-tail amur foxtail, phoenix grass, wild oat,
The annual gramineous weeds such as Herba Digitariae, barnyard grass, annual bluegrass, Herba Setariae Viridis and Herba Amaranthi tricoloriss, Chamomile, Flos Matricariae chamomillae, knotweed, mustard, eggplant, Herba stellariae mediae, Herba Urticae Cannabinae and
The broad leaved weeds such as Herba veronicae.Mainly suppress the growth of cell by hindering the synthesis of protein, i.e., by weed bud and
Root absorption suppresses vivo protein synthesis, prevents further growth.To preventing and kill off annual gramineae and part broad leaved weed effect
Fruit is prominent, and herbicidal spectrum is wide, prevention effect is good, environmentally friendly.
The content of the invention
The purpose of the present invention be just be to provide a kind of potentiation significantly, the herbicide composition for rape field of broad weed-killing spectrum.
The present invention's takes what below scheme was realized：
A kind of Herbicidal combinations for Rapeseed Field, the active ingredient of the Herbicidal combinations is by propyl-ester nitorfen and pyrazoles grass
Amine is constituted, and the mass ratio of the propyl-ester nitorfen and metazachlor is 1: 1~40.
Further, the mass ratio of the propyl-ester nitorfen and metazachlor is 1:1~30, optimum quality ratio is 1：2.
Further, the Herbicidal combinations are also containing agriculturally acceptable surfactant and carrier.
Further, the dosage form of the Herbicidal combinations is wettable powder, suspending agent, dispersibles oil-suspending agent or moisture and dissipate
Property granule.
In Herbicidal combinations of the present invention, active component is propyl-ester nitorfen and metazachlor, when its consumption depends on being used alone
The potentiation degree of respective amount of application and the two portfolio ratio, the special protection of the present invention matter of propyl-ester nitorfen and metazachlor
Amount is than being 1~20: 1~40, preferably 1:1~30, optimum is 1：2.
The Herbicidal combinations of the present invention can add agriculturally acceptable surfactant and carrier, be made into wettable powder
Agent, suspending agent, dispersible oil-suspending agent, water dispersible granules etc..Wherein surfactant is alkylphenol polyoxyethylene, fatty alcohol
Polyoxyethylene ether, phenethyl phenol polyethenoxy ether, phenethyl phenol polyoxyethylene poly-oxygen propylene aether, Oleum Ricini ethyleneoxide addition
Thing, APES formaldehyde condensation product, alkylphenol polyoxyethylene phosphate ester, phenethyl phenol polyethenoxy ether phosphoric acid
Ester, Ben-zylphenol Polyoxyethyl Ether, polyoxyethylene carboxylate, calcium dodecyl benzene sulfonate, dodecylbenzene sodium sulfonate, lignin
Sulfonate, NNO, NO, MF, ZS -1, sodium lauryl sulphate, pull open powder, N- Methyl fatty acyl taurines sodium, alkyl phenol gather
Oxygen vinyl Ether formaldehyde condensation products sulfate, tea seed cake powder, Saponin, lignosulfite, aliphatic alcohol sulfate, penetrant t, infiltration
Agent OT, JFC, fatty acid amide-N-N-methyltaurine sodium salt, polyoxyethylenated alcohol sodium sulfate, pull open powder etc..
Carrier is divided into solid carrier and solvent, and solid carrier has bentonite, White Carbon black, Kaolin, precipitated calcium carbonate, sulphuric acid
Sodium, ammonium sulfate, kieselguhr, starch, potter's clay etc.；Solvent have toluene, dimethylbenzene, chlorobenzene, solvent naphtha, α-methyl naphthalene, Oleum Terebinthinae,
Dichloromethane, chloroform, methanol, ethanol, glycerol, ethylene glycol, butanol, isoamyl alcohol, Propylene Glycol, Ketohexamethylene, isophorone,
1-Phenylethanone., ethyl acetate, propyl acetate, butyl acetate, DMF, DMSO, cellosolve etc., it is above-mentioned to can be used alone, also can two kinds with
Upper compound use.
Any of the above auxiliary agent or carrier are commercially available.
The herbicide composition for rape field of the present invention has potentiation, is sprayed within 10 days or so after being mainly used in Brassica campestris L transfer
The grassy weeds such as mist, Controlling Weeds in Rape Fields field annual bluegrass prevailing, barnyard grass, Herba Digitariae, also can and the broad-leaved such as anti-ox chickweed, Herba veronicae it is miscellaneous
The sedge weed such as grass and Herba Eleocharitis aciculariies.The characteristics of with activity of weeding height, broad weed-killing spectrum, convenient use, and to Brassica campestris L safety, category
Environmentally friendly herbicide.
Specific embodiment
Below with the specific embodiment of several different dosage forms further illustrating the present invention.But the present invention is only limitted to absolutely not this
A little examples.In all formula, percentage ratio is weight fraction.
First, form formula example：
Embodiment 1,20% dispersible oil-suspending agent：
Embodiment 2,33% dispersible oil-suspending agent：
Embodiment 3,36% suspending agent：
Embodiment 4,48% suspending agent
Embodiment 5,42% wettable powder
Example 6,62% wettable powder
Embodiment 7,60% water dispersible granules
Embodiment 8,80% water dispersible granules
2nd, indoor biological determination of activity：
Below by way of propyl-ester nitorfen, metazachlor compositionss herbicide to Brassica campestris L weeds indoor biological determination of activity verifying
The reasonability of formula.
In the present composition, propyl-ester nitorfen (98% active compound) is produced by Shandong Qiaochang Chemical Co., Ltd, metazachlor
(97% active compound) is produced by Shandong Zhong Shi pharmaceutcal corporation, Ltds.
Medicament is prepared：Propyl-ester nitorfen, is being prepared respectively with the mother solution that high concentration is configured to after acetone solution with metazachlor
On the basis of experiment, above-mentioned single dose and mixture are diluted to into series mass concentration with 0.5% Tween 80 aqueous solution and (are shown in Table 1, table
2)。
Test method is, using greenhouse pot culture method, to sow quantitative weeds (per 40 plants of basin) and Semen Brassicae campestris, treat in basin
When weeds are grown to the 2-4 leaf phases after being unearthed, stem and leaf spraying treatment is carried out with spraying machine, be placed in greenhouse and continue after process after 6 hours
Culture observation, investigates the preventive effect to weeds and the safety to Brassica campestris L after 15 days.Investigation method adopts absolute value survey method,
The fresh weight of the remaining weeds per basin, then the fresh weight preventive effect that each process is calculated by following equation are investigated first：
E1=(C-T)/C × 100%, E in formula1For fresh weight preventive effect, to compare weeds fresh weight, T is process weeds fresh weight to C.E
For observed value (100-E1)；
E0=A × B/100, A are preventive effect of the herbicide 1 to weeds；B is preventive effect of the herbicide 2 to weeds；
Then detected that to weeds activity the co-toxicity to weeds is acted on Colby methods, by Colby methods, worked as E-E0>
10% is potentiation；Work as E-E0<- 10% is antagonism；As -10%≤E-E0≤ 10% is addition.
The wherein E-E of propyl-ester nitorfen, metazachlor compounding to Herba Digitariae0It is worth between 10.56---22.73, its synergy
Type is potentiation, with flucetosulfuron, 2 first, 4 chlorine sodium weight ratio as 1：When 2, effect is most obvious, E-E0It is worth for 22.73, tool
Volume data is as shown in table 1：
Table 1：Co-toxicity effect (nebulization) of the herbicidal composition to Herba Digitariae
The co-toxicity effect of propyl-ester nitorfen, metazachlor compounding to Herba veronicae is as shown in table 2, its E-E012.35~
Between 21.46, synergy type be potentiation, with propyl-ester nitorfen, metazachlor weight ratio as 1：2 effect is most bright
It is aobvious, E-E0Value 21.46.
Table 2：Herbicidal composition is acted on to the co-toxicity of Herba veronicae
Note：In upper table 1,2, proportioning is weight ratio.
Can draw from upper table 1,2, be 1 in mass ratio by propyl-ester nitorfen and metazachlor：1-30 is compounded to Rapeseed Field
In Herba Digitariae and Herba veronicae be respectively provided with potentiation.
3rd, test examples：
1. trial crops and object：It is transplanting rape field for studying thing, subjects are based on annual bluegrass, Herba Digitariae etc.
Grassy weed and small part Herba veronicae etc..
Test medicine：2 Chinese medicine of embodiment：33% propyl-ester nitorfen metazachlor dispersibles oil-suspending agent (3% propyl ester grass
30% metazachlor of ether) (our company's production)；
Comparison medicament：10% propyl-ester nitorfen suspending agent (Shandong Qiaochang Chemical Co., Ltd)；
500g/l metazachlor suspending agents (Jiangsu Lam Fung Biological Chemical Co., Ltd).
Spraying time and method：Test in the dispenser of October 22 in 2016, at that time one heart stage of 3~4 leaf of Brassica campestris L, annual bluegrass 3
One heart stage of~4 leaf, one heart stage of 2~3 leaf of Herba Digitariae, routinely every mu of preparating liquid 15KG sprayed, after dispenser within 6 hours not
See there is rainfall.
Control time and number of times：Weeds radix is investigated before dispenser, observation treatment region leaf color, growth in 2,3 days after dispenser
Situation, is itemized record if any exception.7 days after dispenser, (on October 29th, 2016), 10 days (on November 1st, 2016) are investigated respectively
Strain preventive effect and weeds overground part fresh weight.
Investigation method：Using 5 point samplings, each cell random selection 5 point of investigation, every area 0.25m2, dispenser 7
Investigate the strain number of two kinds of main weeds and total weed after it respectively, simultaneously investigate the strain number of all kinds of weeds and total weed after 10 days with
And overground part fresh weight, calculate decline rate and anti-efficiency.
Drug effect computational methods are as follows：
In above formula, CK represents that clear water is compareed.
Table 3：Controlling Weeds in Rape Fields field weed preventive effect table
Interpretation of result：After 33% propyl-ester nitorfen pyrazoles dispersibles oil-suspending agent to Brassica campestris L transplanting field weed medication 10 days,
Average decline rate is up to 86.17%, averagely prevents and kill off rate for 91.45%.10% propyl-ester nitorfen suspending agent and 500g/l metazachlors
The average decline rate of suspending agent is 66.59%, 58.95%, and both averagely prevent and kill off rate difference 76.12%, 72.36%.Explanation
33% propyl-ester nitorfen pyrazoles dispersibles oil-suspending agent to the prevention effect of rape field weed apparently higher than propyl-ester nitorfen, pyrazoles grass
The single dose effect of amine, therefore there is preferable popularizing application prospect.
2nd, trial crops and object：It is Brassica campestris L transplant field for studying thing, subjects are based on amur foxtail, annual bluegrass etc.
Grassy weed and ox chickweed, Herba veronicae etc..
Test medicine：5 Chinese medicine of embodiment：42% propyl-ester nitorfen metazachlor wettable powder (2% propyl-ester nitorfen
40% metazachlor) (our company's production)；
Comparison medicament：10% propyl-ester nitorfen suspending agent (Shandong Qiaochang Chemical Co., Ltd)；
500g/l metazachlor suspending agents (Jiangsu Lam Fung Biological Chemical Co., Ltd).
Spraying time and method：Test in the dispenser of October 22 in 2016, at that time one heart stage of 3~4 leaf of Brassica campestris L, amur foxtail 3
One heart stage of~4 leaf, one heart stage of 2~3 leaf of Herba veronicae, routinely every mu of preparating liquid 15KG sprayed, after dispenser within 6 hours
There are no rainfall.
Control time and number of times：Weeds radix is investigated before dispenser, observation treatment region leaf color, growth in 2,3 days after dispenser
Situation, is itemized record if any exception.7 days after dispenser, (on October 29th, 2016), 10 days (on November 1st, 2016) are investigated respectively
Strain preventive effect and weeds overground part fresh weight.
Investigation method：Using 5 point samplings, each cell random selection 5 point of investigation, every area 0.25m2, dispenser 7
Investigate the strain number of two kinds of main weeds and total weed after it respectively, simultaneously investigate the strain number of all kinds of weeds and total weed after 10 days with
And overground part fresh weight, calculate decline rate and anti-efficiency.
Drug effect computational methods are as follows：
In above formula, CK represents that clear water is compareed.
Table 4：Controlling Weeds in Rape Fields transplant field Weed-control effect table
Interpretation of result：42% propyl-ester nitorfen metazachlor wettable powder transplants total preventive effect effect of field weed to Brassica campestris L
Really, the preventive effect highest after medication 10 days, average decline rate are up to 86.17%, averagely prevent and kill off rate for 89.26%.10% propyl ester grass
Ether suspending agent is 66.18%, 63.10% with the average decline rate of 500g/l metazachlor suspending agents, and both averagely prevent and kill off rate point
Other 72.42%, 69.73%.Illustrate that 42% propyl-ester nitorfen metazachlor wettable powder transplants the preventing and treating of field weed to Brassica campestris L
Effect is apparently higher than propyl-ester nitorfen, the single dose effect of metazachlor, therefore has preferable popularizing application prospect.
3rd, trial crops and object：It is Brassica campestris L transplant field for studying thing, subjects are with barnyard grass, Semen Euphorbiae, caput grass
The broad leaved weeds such as grassy weed and small part Herba Galii Teneri, field thistle Deng based on.
Test medicine：8 Chinese medicine of embodiment：80% propyl-ester nitorfen metazachlor water dispersible granules (20% propyl ester grass
60% metazachlor of ether) (our company's production)；
Comparison medicament：10% propyl-ester nitorfen suspending agent (Shandong Qiaochang Chemical Co., Ltd)；
500g/l metazachlor suspending agents (Jiangsu Lam Fung Biological Chemical Co., Ltd).
Spraying time and method：The then dispenser of October 22 in 2016 is tested, at that time one heart stage of 3~4 leaf of Brassica campestris L, barnyard grass 4
One heart stage of~5 leaf, one heart stage of 2~3 leaf of Semen Euphorbiae, routinely every mu of preparating liquid 15KG sprayed, after dispenser within 6 hours
There are no rainfall.
Control time and number of times：Weeds radix is investigated before dispenser, observation treatment region leaf color, growth in 2,3 days after dispenser
Situation, is itemized record if any exception.7 days after dispenser, (on October 29th, 2016), 10 days (on November 1st, 2016) are investigated respectively
Strain preventive effect and weeds overground part fresh weight.
Investigation method：Using 5 point samplings, each cell random selection 5 point of investigation, every area 0.25m2, dispenser 7
Investigate the strain number of two kinds of main weeds and total weed after it respectively, simultaneously investigate the strain number of all kinds of weeds and total weed after 10 days with
And overground part fresh weight, calculate decline rate and anti-efficiency.
Drug effect computational methods are as follows：
In above formula, CK represents that clear water is compareed.
Table 5：Controlling Weeds in Rape Fields transplant field Weed-control effect table
Interpretation of result：80% propyl-ester nitorfen metazachlor water dispersible granules transplant total preventive effect effect of field weed to Brassica campestris L
Really, the preventive effect highest after medication 10 days, average decline rate are up to 85.78%, averagely prevent and kill off rate for 88.64%.10% propyl ester grass
Ether suspending agent is 61.19%, 61.12% with the average decline rate of 500g/l metazachlor suspending agents, and both averagely prevent and kill off rate point
Other 70.36%, 67.83%.Illustrate that 80% propyl-ester nitorfen metazachlor water dispersible granules transplant the total anti-of field weed to Brassica campestris L
Effect is controlled apparently higher than propyl-ester nitorfen, the single dose effect of metazachlor, therefore there is preferable popularizing application prospect.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and apply this
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiment without through performing creative labour.Therefore, the invention is not restricted to enforcement here
Example, those skilled in the art's announcement of the invention, the improvement made without departing from scope and modification all should be
Within protection scope of the present invention.
Claims (4)
1. a kind of herbicide composition for rape field, it is characterised in that：The Herbicidal combinations active ingredient is by propyl-ester nitorfen and pyrazoles
The mass ratio of careless amine composition, the propyl-ester nitorfen and metazachlor is 1: 1~40.
2. a kind of herbicide composition for rape field according to claim 1, it is characterised in that：The propyl-ester nitorfen and pyrazoles grass
The mass ratio of amine is 1:1~30.
3. a kind of herbicide composition for rape field according to claim 1 and 2, it is characterised in that：The Herbicidal combinations are also
Containing agriculturally acceptable surfactant and carrier.
4. a kind of herbicide composition for rape field according to claim 1 and 2, it is characterised in that：The Herbicidal combinations
Dosage form is wettable powder, suspending agent, dispersibles oil-suspending agent or water-dispersible granules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611137700.0A CN106665588A (en) | 2016-12-09 | 2016-12-09 | Weeding composition for rape fields |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611137700.0A CN106665588A (en) | 2016-12-09 | 2016-12-09 | Weeding composition for rape fields |
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ID=58868797
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112075433A (en) * | 2020-10-15 | 2020-12-15 | 安徽省农业科学院植物保护与农产品质量安全研究所 | Weeding composition containing metazachlor, isoproyl and cloransulam-methyl |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1853470A (en) * | 2003-07-04 | 2006-11-01 | 中国科学院上海有机化学研究所 | Herbicide composition containing propyl ester oxaether or isothioester oxaether and chloracyl amine herbicide for rape field |
-
2016
- 2016-12-09 CN CN201611137700.0A patent/CN106665588A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1853470A (en) * | 2003-07-04 | 2006-11-01 | 中国科学院上海有机化学研究所 | Herbicide composition containing propyl ester oxaether or isothioester oxaether and chloracyl amine herbicide for rape field |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112075433A (en) * | 2020-10-15 | 2020-12-15 | 安徽省农业科学院植物保护与农产品质量安全研究所 | Weeding composition containing metazachlor, isoproyl and cloransulam-methyl |
| CN112075433B (en) * | 2020-10-15 | 2021-10-22 | 安徽省农业科学院植物保护与农产品质量安全研究所 | Weeding composition containing metazachlor, isoproyl and cloransulam-methyl |
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