CN106689173A - Wheatland post-seedling compound weed killer containing thiencarbazone-methyl and clopyralid - Google Patents
Wheatland post-seedling compound weed killer containing thiencarbazone-methyl and clopyralid Download PDFInfo
- Publication number
- CN106689173A CN106689173A CN201611180609.7A CN201611180609A CN106689173A CN 106689173 A CN106689173 A CN 106689173A CN 201611180609 A CN201611180609 A CN 201611180609A CN 106689173 A CN106689173 A CN 106689173A
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- CN
- China
- Prior art keywords
- clopyralid
- grand
- thiophene
- ketone sulphur
- thiophene ketone
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Classifications
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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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
-
- 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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
Abstract
The invention discloses a wheatland post-seedling compound weed killer containing thiencarbazone-methyl and clopyralid. Active ingredients of the compound weed killer are thiencarbazone-methyl and clopyralid, and the mass ratio of thiencarbazone-methyl to clopyralid is (1-50):(1-30). The wheatland post-seedling compound weed killer has effects of preventing field monocotyledon and dicotyledon weeds, and a weeding effect is remarkable; compared with thiencarbazone-methyl and clopyralid, the wheatland post-seedling compound weed killer is small in use amount and low in cost, the weeding fast-acting property spectrum is expanded, the weeds in the whole bearing period of crops can be removed by one-time pesticide application, and the wheatland post-seedling compound weed killer is environmentally friendly, has no residue and is highly safe for next-stubble crops.
Description
Technical field
The present invention relates to pesticide field, more particularly to a kind of sulphur of ketone containing thiophene is grand, clopyralid wheat paddock post-emergence complex
Herbicide.
Background technology
There is a large amount of resistant weeds such as amur foxtail, annual bluegrass, wild oat, rye grass, Descurainia sophia, pig calamity in current wheat paddock
Calamity, shepherd's purse, chickweed, field thistle, Veronica etc., general medicament are difficult to eradicate.It is general with fenoxapropPethyl etc. on Vehicles Collected from Market
Based on medicament single dose use, wheat paddock monocotyledon weed is mainly prevented and kill off.And prevent and kill off broad leaved weed and rely primarily on some high residue medicines
Agent, it influences larger to second stubble crop, not friendly enough to environment.
Thiophene ketone sulphur is grand, is sulfonyl-amino-carbnyl triazolinone class herbicide, is inhibitor of acetolactate synthetase.Chemical name
Claim:Methyl 4- [(4,5- dihydro -3- methoxyl group -4- methyl -5- oxo -1H-1,2,4- triazol-1-yls) carbonyl sulfonamide] -5-
Methylthiophene -3- carboxylic acid, ethyl esters, molecular formula：C12H14N4O7S2, prevents and kill off corn field grassy weed and broad leaved weed.Thiophene ketone sulphur
It is grand to register for corn, wheat and in the lawn of residence area and ornamental plant.
Chloropyridine is sour, and chemical name is：3,6- dichloropyridine -2- carbonyl acid molecule formulas：C6H4ClNO2 molecular weight is
157.5545, clopyralid is a kind of artificial synthesized auxin, its chemical constitution and many natural plants
Growth hormone is similar to, but has more preferable persistence in the tissue of plant.It is mainly absorbed by the root and leaf of plant
Then conducted in plant, so its conductive performance is stronger.After weeds dispenser, it is inhaled by the blade of plant or root
Receive, moved up and down in plant and be transmitted to whole plant rapidly.The clopyralid of low concentration can stimulate plant
The synthesis of DNA, RNA and protein finally results in tube bank destroyed so as to cause fissional out of control and random growth；It is highly concentrated
The clopyralid of degree can then suppress the division and growth of cell.
The content of the invention
A kind of sulphur of ketone containing thiophene of present invention offer is grand, clopyralid wheat paddock post-emergence complex weedicide, can solve the problem that anti-
The problems such as property amur foxtail, Alopecurus, bromegrass, wild oat, Triticum tauschii.
The technical scheme is that：
A kind of sulphur of ketone containing thiophene is grand, clopyralid wheat paddock post-emergence complex weedicide, the complex weedicide it is effective
For thiophene ketone sulphur is grand and clopyralid, grand and clopyralid the mass ratio of the thiophene ketone sulphur is 1~50 to composition：1-30.
Further scheme, the thiophene ketone sulphur is grand, clopyralid mass ratio is 5~40：10-30.
Preferably, the thiophene ketone sulphur is grand, clopyralid mass ratio is 15：20.
Further scheme, the thiophene ketone sulphur is grand, clopyralid quality and account for the complex weedicide gross mass 1~
80%.
Further scheme, the formulation of the complex weedicide is wettable powder, water dispersible granules, aqueous emulsion, suspending agent,
Suspension emulsion, aqua, missible oil.
The suspending agent is made up of by mass percentage following components：The grand active compound 1-50% of thiophene ketone sulphur, clopyralid
1-30%, polyoxygenated Asia alkene 8%, castor oil polyoxyethylene ether 9%, dodecyl benzene sulfonate 2%, methylated vegetable oil is supplied
To 100%.
The present invention has preventive effect to the single, double cotyledon weeds in field, and herbicidal effect is notable；, dichloropyridine grand with thiophene ketone sulphur
Sour single dose is compared, and consumption is low, low cost, and expands herbicide, and quick-acting spectrum a, dispenser can be prevented and kill off in crop whole breeding time
Weeds, noresidue friendly to environment, to second stubble crop high safety.
Specific embodiment
With reference to embodiment, the present invention is expanded on further：
Embodiment 1：The 40% thiophene grand clopyralid of ketone sulphur dispersibles oil-suspending agent
Take 30kg thiophene ketone sulphurs grand, 10kg clopyralids, 8kg polyoxygenateds Asia alkene, 9kg/ castor oil polyoxyethylene ethers, 2kg
Dodecyl benzene sulfonate, methylated vegetable oil complements to 100kg.By being sufficiently mixed allotment, ball mill grinding, adjustment, packaging
Obtain dispersibling oil-suspending agent.
Embodiment 2：The 35% grand clopyralid wettable powder of thiophene ketone sulphur
Take 20kg thiophene ketone sulphurs grand, 15kg clopyralids, 4kg dispersants NNO, 3kg wetting agent K12,4kg White Carbon black, gently
Matter calcium carbonate complements to 100kg.Be adequately mixed, air-flow crushing, mixing, obtain wettable powder.
Embodiment 3：The 35% grand clopyralid water dispersible granules of thiophene ketone sulphur
Weigh the grand percentage that gross weight is accounted for a variety of active components of clopyralid three of thiophene ketone sulphur.Take 15kg thiophene ketone sulphurs grand,
20kg clopyralids, D-4256kg, EFW2kg, ammonium sulfate 5kg, polyethylene glycol 1kg, kaolin supply 100%, through fully mixed
Conjunction, air-flow crushing, mixing, granulation, drying and screening, obtain dispersible granule.
Embodiment 4：The 35% grand clopyralid suspending agent of thiophene ketone sulphur
Weigh the grand percentage that gross weight is accounted for two kinds of active components of clopyralid of thiophene ketone sulphur.Take 10kg thiophene ketone sulphurs grand,
25kg clopyralids, emulsifying agent 1601#15%, wetting agent LS 5%, dispersant SOPA-2704%, bentonite 3%, xanthan
Glue 0.1%, organic silicon defoamer 0.4%, glycerine 5%, deionized water complements to 100%.
Embodiment 5：The 35% grand clopyralid missible oil of thiophene ketone sulphur
Weigh the grand percentage that gross weight is accounted for two kinds of active components of clopyralid of thiophene ketone sulphur.Take 5kg thiophene ketone sulphurs grand, 30kg
Clopyralid, dense newborn No. 33 4%, dodecyl benzene sulfonate 6%, dimethylbenzene complements to 100%.
Embodiment 6:Toxicity Determination
Test objective：Under greenhouse experiment, using pot-culture method, research thiophene ketone sulphur is grand, clopyralid two-spot compounding
Herbicidal effect, and co-toxicity coefficient method using Sun Yunpei evaluates the mixed contact type of action of both different proportions, is experiment
Test basis are provided.
Experimental condition：For examination weeds, amur foxtail, Alopecurus, Wang grass, bromegrass, Triticum tauschii etc., broadleaf weed master have
Clearvers, field thistle, corn gromwell, Veronica, shepherd's purse, sarson, benbie etc., (field harvesting upper one year seed, germination percentage exists
More than 85%).
Carried out in illumination cultivation room, 10-20 DEG C of temperature
Application method：Processed in the weeds 3-4 leaf phases.
Reagent agent：The 98% grand active compound of thiophene ketone sulphur (Anhui Feng Le agrochemical Co., Ltd laboratory provides)；95% dichloro pyrrole
Pyridine acid active compound (Anhui Fengle Agricultural Co., Ltd).
Quantitative active compound, concentration needed for dilution are weighed using balance.
Grand and clopyralid the synergy of thiophene ketone sulphur:
By thiophene ketone sulphur is grand, clopyralid single dose and 5 thiophene ketone sulphurs are grand sets 5 agent respectively with clopyralid mixture preparation
Amount, separately sets blank, and each test process is repeated 4 times.Treatment agent dosage refers to table 1
The test process of table 1 and test level (effective ingredient consumption)
Application method：
For wheat seedling post processing, using power spraye, Fan spray head, the spraying of simulation crop field are filled, spray value is 40 public
Pound/acre.Reagent spray treatment, dispenser 1 time are carried out on November 10th, 2015.
The withered quantity of weeds is recorded after dispenser in detail, 40 days after medicine, fresh weight measurement is carried out, and compared with control treatment, counted
Calculate fresh weight preventive effect.
Synergy assay method：Synergy class of the result of the test with the co-toxicity coefficient method evaluation of Sun Yunpei after mixed
Type.
According to SUN, Y-P (Sun Yunpei) method calculates its actual toxicity index, mixture theoretical toxicity index, co-toxicity coefficient.With
Log concentration is X, and prevention and control of weeds niqueMin is Y, seeks regression equation.
Actual toxicity index=standard agent LD50The LD of/mixture50×100
Theoretical toxicity index=∑ the percentage of the medicament active ingredient (toxicity index of reagent agent × in mixture)
Actual toxicity index/theoretical toxicity index × 100 of co-toxicity coefficient=mixture
With clopyralid as standard agent in experiment.
Criterion：Co-toxicity coefficient ＜ 80 be antagonism, between 80-120 for summation action, ＞ 120 be synergy make
With.
The investigation of fresh weight preventive effect is as shown in table 2 below：
Table 2：Fresh weight preventive effect
Fresh weight is four repetition average values in table.
Two pharmacy mix see the table below 3 to the indoor virulence of single, double cotyledon weeds and synergy.
Table 3：Synergy
As can be seen from the above table, treatment (C), (D), (E), (F), the co-toxicity coefficient of (G) be respectively 127.86,200.49,
260.76th, 250.81,173.66,120 are all higher than, with synergistic effect, wherein the co-toxicity coefficient of (E) is maximum, and it is 260.76, reach
To notable synergistic effect, there is notable synergistic to act on annual single, double cotyledon weeds.
Embodiment 7：Field control effectiveness test
Dispenser place：Suzhou City Yongqiao District wheat paddock, preceding stubble is Soybean Field.Experimental field fertility uniformity, physical features is flat.
Soil sand clay partially, middle fertility, humidity is moderate.Wheat 13 is raised in sowing, wheat paddock want annual monocotyledon weed have amur foxtail,
Wang grass, bromegrass, Alopecurus etc., broadleaf weed master have clearvers, field thistle, Descurainia sophia, shepherd's purse, Veronica etc., distribution
Uniformly.
Spraying time：In the 3-4 leaves phase after wheat seedling, the specific time is the morning dispenser of November 25 in 2015.
Dispenser condition：Dispenser same day fine day, 10 DEG C~19 DEG C of temperature.
Dispenser dosage and mode：Formulation rate 30ml/667m2, liquid is using the preparation of two step dilution methods.Medical instruments using workers and peasants-
16 knapsack sprayers, fill fan shower nozzle, and artificial even spraying, water consumption is 40kg/667m2。
Test group：It is divided into test group, control group (water dispersible granules test group, aqua test group)；Wherein, test in group according to
30ml/667m2The dose spray embodiment of the present invention 1 in the grand clopyralid of obtained 40% thiophene ketone sulphur dispersible oily suspension
Agent, test group is：21% thiophene ketone sulphur precititation dispersible granule, 10 grams/acre, 30% clopyralid aqua, 40ml/667m2Sky
White control group (spraying clear water according to equal consumption).
Test method：Each test group and blank control group are repeated 4 times, and each test group and blank control group are accounted for respectively
With experimental plot plot area 30m2, cell random alignment.Before dispenser, in the cell of each test group and blank control group, with
Machine takes at 4 points, and weeds species, leaf age, strain number are investigated respectively；20d investigation weeds survival number, 45d calculate strain preventive effect and fresh after dispenser
Weight preventive effect, calculates Weed-control effect (%)；After dispenser 45d, extract weeds and weigh fresh weight (g/m2), calculate fresh weight preventive effect (%).
The herbicidal effect of each test group is shown in Table 4.
Table 4：Each formulation herbicidal effect of the grand clopyralid of thiophene ketone sulphur
As seen from the above table, after dispenser 20d, the 40% thiophene grand clopyralid of ketone sulphur can divide obtained in the embodiment of the present invention 1
Dissipate oil-suspending agent to the preventive effect of single, double cotyledon weeds more than 95%, and 21% thiophene ketone sulphur precititation dispersible granule to singly,
The preventive effect of broadleaf weed is respectively to be prevented broadleaf weed in 82.9%, 44.0%, 30% clopyralid aqua
It is invalid to monocotyledon weed except effect is 60.4%.Compounding of the invention is not only increased to weeds except agent is compared with each single dose
Preventive effect, while have also been enlarged herbicide controlling spectrum, with pole significant difference (P ＜ 0.01).
After dispenser 45d, the 40% thiophene grand clopyralid of ketone sulphur dispersibles oil-suspending agent pair obtained in the embodiment of the present invention 1
The preventive effect of single, double cotyledon weeds is 100%；And 21% thiophene ketone sulphur precititation dispersible granule prevents and kill off effect to single, double cotyledon weeds
Fruit is 68.8% to the preventive effect of broadleaf weed respectively in 97.1%, 56.0%, 21% clopyralid aqua, to list
Cotyledon weeds are invalid.Compounding of the invention not only increases the preventive effect to weeds, while have also been enlarged except agent is compared with each single dose
Herbicide controlling spectrum, with pole significant difference (P ＜ 0.01).
Dispenser 45d weighs fresh weight, the 40% thiophene grand clopyralid of ketone sulphur obtained in the embodiment of the present invention 1 after extracting weeds
It is 100% that oil-suspending agent is dispersibled to the fresh weight preventive effect of single, double cotyledon weeds, and 21% thiophene ketone sulphur precititation dispersible granule to it is single,
More than 70%, 30% clopyralid aqua is to the fresh weight preventive effect of broadleaf weed 65% for the fresh weight preventive effect of broadleaf weed
With.Compounding of the invention not only increases the fresh weight preventive effect to weeds, while have also been enlarged herbicide except agent is compared with each single dose
Spectrum, with pole significant difference (P ＜ 0.01).
Summary result of the test shows, the grand clopyralid oil-suspending agent of thiophene ketone sulphur and thiophene ketone sulphur precititation dispersible granule
Agent, clopyralid aqua are compared, and the preventive effect, fresh weight preventive effect to weeds in field are improved, to field crops safety.
Embodiment 8
Dispenser place：Zhoukou City of Henan Province Shangshui County slope village school wheatland, preceding stubble is corn.Experimental field fertility uniform one
Cause, physical features is flat.Soil clay, middle fertility, humidity is moderate.(short anti-58), the annual unifacial leaf of wheat paddock is miscellaneous for sowing wheat
Grass mainly has Triticum tauschii, bromegrass, wild oat etc., broadleaf weed, main clearvers, Descurainia sophia, Veronica, benbie, Mai Jia
Public affairs etc., are evenly distributed.
Spraying time：In the wheat 3-4 leaf phases, the specific time is the morning dispenser of November 22 in 2015.
Dispenser condition：Dispenser same day fine day, 9 DEG C~17 DEG C of temperature.
Dispenser dosage and mode：Formulation rate 30g/667m2, liquid is using the preparation of two step dilution methods.Medical instruments are using sharp rural power
Dynamic knapsack sprayer, fills fan shower nozzle, and artificial even spraying, water consumption is 40kg/667m2。
Test group：It is divided into test group, control group (water dispersible granules test group, aqua test group)；Wherein, test in group according to
30ml/667m2The dose spray embodiment of the present invention 4 obtained in the 35% grand clopyralid water dispersible granules of thiophene ketone sulphur；Examination
Testing group is：21% thiophene ketone sulphur precititation dispersible granule, 10g/ mus, 30% clopyralid aqua 30ml/667m2、40ml/667m2,
Blank control group (sprays clear water) according to equal consumption.
Test method：Each test group and blank control group are repeated 4 times, and each test group and blank control group are accounted for respectively
With experimental plot plot area 30m2, cell random alignment.Before dispenser, in the cell of each test group and blank control group, with
Machine takes at 4 points, and weeds species, leaf age, radix are investigated respectively；Dispenser 20d investigates weeds survival number, calculates strain preventive effect, and 45d calculates strain
Preventive effect and fresh weight preventive effect, calculate Weed-control effect (%)；After dispenser 45d, extract weeds and weigh fresh weight (g/m2), calculate fresh weight preventive effect
(%).
The herbicidal effect of each test group is shown in Table 5.
The thiophene each formulation herbicidal effect of the grand clopyralid of ketone sulphur of table 5
As shown in Table 5, after dispenser 20d, the 35% grand clopyralid moisture of thiophene ketone sulphur obtained in the embodiment of the present invention 4 dissipates
Granula is to the preventive effect of single, double cotyledon weeds more than 95%.It improves the preventive effect to weeds compared with single dose, expands
Herbicide controlling spectrum, with pole significant difference (P ＜ 0.01)；
After dispenser 45d, the 35% grand clopyralid water dispersible granules of thiophene ketone sulphur obtained in the embodiment of the present invention 4 to it is single,
The preventive effect of broadleaf weed is 100%.It improves the preventive effect to weeds compared with single dose, expands herbicide controlling spectrum, has
Pole significant difference (P ＜ 0.01)；
Dispenser 45d weighs fresh weight, the 35% thiophene grand clopyralid of ketone sulphur obtained in the embodiment of the present invention 4 after extracting weeds
Water dispersible granules weigh fresh weight effect 100% to pulling out for single, double cotyledon weeds.It is improve to weeds compared with single dose
Preventive effect, herbicide controlling spectrum is expanded, with pole significant difference (P ＜ 0.01).
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (6)
1. a kind of sulphur of ketone containing thiophene is grand, clopyralid wheat paddock post-emergence complex weedicide, it is characterised in that：The compounding weeding
For thiophene ketone sulphur is grand and clopyralid, grand and clopyralid the mass ratio of the thiophene ketone sulphur is 1~50 to the effective ingredient of agent：1-
30。
2. complex weedicide according to claim 1, it is characterised in that：The thiophene ketone sulphur is grand, clopyralid quality
Than being 5~40：10-30.
3. complex weedicide according to claim 2, it is characterised in that：The thiophene ketone sulphur is grand, clopyralid quality
Than being 15：20.
4. the complex weedicide according to claim any one of 1-3, it is characterised in that：The thiophene ketone sulphur is grand, dichloropyridine
Acid quality and account for the 1~80% of the complex weedicide gross mass.
5. the complex weedicide according to claim any one of 1-3, it is characterised in that：The formulation of the complex weedicide is
Wettable powder, water dispersible granules, aqueous emulsion, suspending agent, suspension emulsion, aqua, missible oil.
6. complex weedicide according to claim 5, it is characterised in that：The suspending agent is by quality hundred by following components
Divide than composition：The grand active compound 1-50% of thiophene ketone sulphur, clopyralid 1-30%, polyoxygenated Asia alkene 8%, castor oil polyoxyethylene ether 9%, ten
Dialkyl benzene sulfonate 2%, methylated vegetable oil complements to 100%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611180609.7A CN106689173A (en) | 2016-12-19 | 2016-12-19 | Wheatland post-seedling compound weed killer containing thiencarbazone-methyl and clopyralid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611180609.7A CN106689173A (en) | 2016-12-19 | 2016-12-19 | Wheatland post-seedling compound weed killer containing thiencarbazone-methyl and clopyralid |
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| Publication Number | Publication Date |
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| CN106689173A true CN106689173A (en) | 2017-05-24 |
Family
ID=58938178
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611180609.7A Pending CN106689173A (en) | 2016-12-19 | 2016-12-19 | Wheatland post-seedling compound weed killer containing thiencarbazone-methyl and clopyralid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107347901A (en) * | 2017-07-24 | 2017-11-17 | 安徽丰乐农化有限责任公司 | A kind of wheat paddock post-emergence complex weedicide |
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| CN101708007A (en) * | 2009-12-01 | 2010-05-19 | 安徽丰乐农化有限责任公司 | Compound herbicide used for maize seedling post |
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| CN107347901A (en) * | 2017-07-24 | 2017-11-17 | 安徽丰乐农化有限责任公司 | A kind of wheat paddock post-emergence complex weedicide |
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Application publication date: 20170524 |