CN110037036A - A kind of composite synergistic herbicide containing pyridine alcohol, preparation method and application - Google Patents
A kind of composite synergistic herbicide containing pyridine alcohol, preparation method and application Download PDFInfo
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- CN110037036A CN110037036A CN201910425974.7A CN201910425974A CN110037036A CN 110037036 A CN110037036 A CN 110037036A CN 201910425974 A CN201910425974 A CN 201910425974A CN 110037036 A CN110037036 A CN 110037036A
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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
- A01N43/34—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
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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
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
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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
- A01N43/60—1,4-Diazines; Hydrogenated 1,4-diazines
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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
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- Health & Medical Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
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Abstract
The invention discloses a kind of composite synergistic herbicide containing pyridine alcohol, preparation method and application, the material quality number for preparing its active ingredient is as follows: 0.5-18 parts of pyridine alcohol, 0.1-30 parts of pyrithiobac-sodium, 0.1-35 parts of Quizalotop-ethyl.The content of active ingredient accounts for the 21-65.5% of herbicide gross mass, and its is preventing and kill off gramineae weed and broadleaf weeds application.The present invention improves drug effect, widens herbicidal spectrum, and the wealthy double play of standing grain, quick-acting is fast, and the lasting period is long, delays herbicide resistance, all has reliable safety to cotton and succession crop.
Description
Technical field
The invention belongs to technical field of pesticide, relate in particular to a kind of composite synergistic herbicide containing pyridine alcohol, together
When further relate to the preparation method of the composite synergistic herbicide for containing pyridine alcohol, and should composite synergistic weeding containing pyridine alcohol
Gramineae weed and broadleaf weeds application are being prevented and kill off in agent.
Background technique
Weeds are the formidable enemies of agricultural production, strive water, fertilizer with crops, occupy portion space above and below the ground, influence to make object light
Cooperation use, interfere plant growth, cotton field because Weed infestation it is annual caused by loss up to 14%~16%, seriously constrain cotton
High-quality, efficient production.Chemical weed control has become China's weed in cotton field and prevents and kill off vital plant protection technology means, but with emphatically
Multiple and single use medicament carrys out management of weeds, and incident is that target weeds produce drug resistance to herbicide, at present with regard in
There is drug resistance in state cotton field at least 5 kinds of the worst weeds, wherein 3 kinds of gramineae weed Cowhells, herba digitariae, semen euphorbiae etc., broad-leaved
2 kinds of weeds Amaranthus retroflexus and field bindweed etc., it is related to herbicide (the ACCase, EPSPS, cell division inhibition of 3 class mechanism of action altogether
Agent).Wherein, cotton field herba eleusines indicae to Quizalotop-ethyl, haloxyfop-r-methyl, glyphosate and Amaranthus retroflexus and field bindweed to glyphosate,
Pendimethalin shows different degrees of resistance level.Also, existing prevention and treatment weed in cotton field is gramineous herbicide, nothing mostly
The herbicide of special anti-cotton field broadleaf weeds.Therefore, prevent the generation of resistant weed, improve the service life of herbicide, Yi Jiyan
It is current main problem urgently to be solved that hair, which solves the single high-efficiency broad spectrum new varieties of weeding type,.
Pyridine alcohol is a kind of novel plant growth inhibitor, and absorbability is strong.It applies, can effectively inhibit in crop reproduction period
Nutrient growth promotes reproductive growth, can increase the root nodule number of leguminous plant, improves nitrogen fixing capacity, reduces soybean pods, increases
Add pod number and full fruit number, the product is applied on China soybean and obtains interim registration at present.
The chemical name of pyrithiobac-sodium is the chloro- 6- of 2- (4,6- dimethoxypyridin -2- base sulphur) sodium benzoate, belongs to pyrimidine water
Poplar acids broad-spectrum herbicide is a kind of inhibitor of acetolactate synthetase, by preventing the biosynthesis of amino acid from reaching
The effect of management of weeds seedling can post-process before weeds seedling, be mainly used for preventing and kill off the annual and many years in the crop fields such as cotton
Raw grass family and most of broadleaf weeds, activity of weeding is high, cuts weeds difficulty as led a cow, Siberian cocklebur, piemarker, thorn chrysanthemum standing grain thought, field
General, Aleppo grass etc. has good preventive effect.
Quizalotop-ethyl chemical name is (R) -2- [4- (6- chlorine quinoxaline -2- base oxygen) phenoxy group] propionic acid, benzene oxygen fatty acid
Class herbicide, selective inner sucting conduction type cauline leaf process agent, medicament have height to select between gramineae weed and dicotyledonous crops
Property, cauline leaf can complete the absorption to medicament within a few hours, and annual grassy weeds can spread all over complete stool in for 24 hours.The medicament is suitable for
Prevent and kill off gramineae weed in the broad leaf crops such as soybean, peanut, cotton, potato, mung bean, watermelon, rape field.
Summary of the invention
It is an object of the invention to the one kind for overcoming disadvantages mentioned above and providing to improve drug effect, widen herbicidal spectrum, and standing grain is wealthy double
It kills, quick-acting is fast, and the lasting period is long, delays herbicide resistance, all there is reliable safety to contain cotton and succession crop
The composite synergistic herbicide of pyridine alcohol.
Another object of the present invention is to provide the preparation methods of the composite synergistic herbicide for containing pyridine alcohol.
A further object of the present invention is to provide the composite synergistic herbicides for containing pyridine alcohol to prevent and kill off gramineae weed
With the application of broadleaf weeds.
It the object of the invention and solves its technical problem underlying and adopts the following technical solutions to realize:
A kind of composite synergistic herbicide containing pyridine alcohol of the invention, prepares the material quality number of its active ingredient such as
Under: 0.5-18 parts of pyridine alcohol, 1-30 parts of pyrithiobac-sodium, 1-35 parts of Quizalotop-ethyl.
A kind of above-mentioned composite synergistic herbicide containing pyridine alcohol, preferably prepares the material quality number of its active ingredient
It is as follows: 0.5-15 parts of pyridine alcohol, 1-17 parts of pyrithiobac-sodium, 1-28 parts of Quizalotop-ethyl.
A kind of above-mentioned composite synergistic herbicide containing pyridine alcohol, further preferably prepares the raw material matter of its active ingredient
It is as follows to measure number: 1-8 parts of pyridine alcohol, 7-17 parts of pyrithiobac-sodium, 15-25 parts of Quizalotop-ethyl.
A kind of above-mentioned composite synergistic herbicide containing pyridine alcohol, the content of active ingredient account for herbicide gross mass
21-65.5%, preferably 23-50%.
A kind of preparation method of above-mentioned composite synergistic herbicide containing pyridine alcohol, in which: dosage form be wettable powder,
Water dispersible granules, suspending agent, missible oil, aqueous emulsion, microemulsion, granule, dispersible oil-suspending agent, microcapsule suspending agent, suspoemulsion,
Solvable pulvis or soluble granule.
Composite synergistic herbicide containing pyridine alcohol of the invention is preventing and kill off the application in gramineae weed and broadleaf weeds.
The present invention compared with the existing technology, has clear advantage and beneficial effect, from the above technical scheme, this hair
It is bright to pass through a large amount of experiment sieving, it can effectively inhibit nutrient growth, the strong spy of absorbability using plant growth inhibitor pyridine alcohol
Point, by being compounded with herbicide pyrithiobac-sodium, Quizalotop-ethyl, with herbicide in cauline leaf uptake and translocation effect and growth regulator
The mechanism of action combines, and ternary built has good synergistic function, so that the compound herbicide significantly improves weeding
Activity has significant synergies, and expands herbicidal spectrum, the wealthy double play of standing grain, while having delayed the resistance of weeds, extends
The service life of medicament.The present invention can effectively control the harm of weeds while reducing pharmaceutical use, and herbicidal effect mentions
First 3-5 days, that is, quick-acting is improved, and extend validity period, while reducing use cost and environmental pollution.And it is easy degradation,
Residual life in the soil, is short, to cotton and succession crop safety.Compound herbicide of the invention can forest land, bare place,
No-tillage ground weeding before orchard or dry crop field are sowed, or the middle weeding in the ranks after the seedlings such as cotton, corn.
Specific embodiment
Embodiment 1:33% aqueous suspension agent
A kind of composite synergistic herbicide containing pyridine alcohol, the preparation method is as follows:
(1) 1 part of pyridine alcohol is pressed, 17 parts of pyrithiobac-sodium, 15 parts of ingredients of Quizalotop-ethyl are uniformly mixed, obtain active ingredient；
(2) above-mentioned active ingredient is made into 33% aqueous suspension agent according to a conventional method.
Embodiment 2:40% suspending agent
A kind of composite synergistic herbicide containing pyridine alcohol, the preparation method is as follows:
(1) 8 parts of pyridine alcohol are pressed, 7 parts of pyrithiobac-sodium, 25 parts of ingredients of Quizalotop-ethyl are uniformly mixed, obtain active ingredient；
(2) above-mentioned active ingredient is made into 40% suspending agent according to a conventional method.
Embodiment 3:21% wettable powder
A kind of composite synergistic herbicide containing pyridine alcohol, the preparation method is as follows:
(1) 15 parts of pyridine alcohol are pressed, 1 part of pyrithiobac-sodium, 5 parts of ingredients of Quizalotop-ethyl are uniformly mixed, obtain active ingredient；
(2) above-mentioned active ingredient is made into 21% wettable powder according to a conventional method.
Embodiment 4:50% water dispersible granules
A kind of composite synergistic herbicide containing pyridine alcohol, the preparation method is as follows:
(1) 18 parts of pyridine alcohol are pressed, 20 parts of pyrithiobac-sodium, 12 parts of ingredients of Quizalotop-ethyl are uniformly mixed, obtain active ingredient；
(2) above-mentioned active ingredient is made into 33% water dispersible granules according to a conventional method.
Embodiment 5:58% water dispersible granules
A kind of composite synergistic herbicide containing pyridine alcohol, the preparation method is as follows:
(1) 13 parts of pyridine alcohol are pressed, 15 parts of pyrithiobac-sodium, 30 parts of ingredients of Quizalotop-ethyl are uniformly mixed, obtain active ingredient；
(2) above-mentioned active ingredient is made into 58% water dispersible granules according to a conventional method.
Embodiment 6:65.5% suspending agent
A kind of composite synergistic herbicide containing pyridine alcohol, the preparation method is as follows:
(1) 0.5 part of pyridine alcohol is pressed, 30 parts of pyrithiobac-sodium, 35 parts of ingredients of Quizalotop-ethyl are uniformly mixed, obtain active ingredient；
(2) above-mentioned active ingredient is made into 65.5% suspending agent according to a conventional method.
Embodiment 7:36% wettable powder
A kind of composite synergistic herbicide containing pyridine alcohol, the preparation method is as follows:
(1) 18 parts of pyridine alcohol are pressed, 17 parts of pyrithiobac-sodium, 1 part of ingredient of Quizalotop-ethyl is uniformly mixed, obtains active ingredient；
(2) above-mentioned active ingredient is made into 36% wettable powder according to a conventional method.
Embodiment 8:48% water dispersible granules
A kind of composite synergistic herbicide containing pyridine alcohol, the preparation method is as follows:
(1) 10 parts of pyridine alcohol are pressed, 10 parts of pyrithiobac-sodium, 28 parts of ingredients of Quizalotop-ethyl are uniformly mixed, obtain active ingredient；
(2) above-mentioned active ingredient is made into 48% water dispersible granules according to a conventional method.
Embodiment 9:24% water dispersible granules
A kind of composite synergistic herbicide containing pyridine alcohol, the preparation method is as follows:
(1) 6 parts of pyridine alcohol are pressed, 15 parts of pyrithiobac-sodium, 3 parts of ingredients of Quizalotop-ethyl are uniformly mixed, obtain active ingredient；
(2) above-mentioned active ingredient is made into 24% water dispersible granules according to a conventional method.
Embodiment 10:30% aqueous suspension agent
A kind of composite synergistic herbicide containing pyridine alcohol, the preparation method is as follows:
(1) 8 parts of pyridine alcohol are pressed, 7 parts of pyrithiobac-sodium, 15 parts of ingredients of Quizalotop-ethyl are uniformly mixed, obtain active ingredient；
(2) above-mentioned active ingredient is made into 30% aqueous suspension agent according to a conventional method.
Test example 1: indoor biometrics
It is respectively provided with 4 repetitions to test, results are averaged.
Compound herbicide, 90% pyridine alcohol EC (control group 1), 15% pyrithiobac-sodium EC made from Example 1-10 respectively
(control group 2), 10% Quizalotop-ethyl EC (control group 3), pyridine alcohol: pyrithiobac-sodium=1:5 (control group 4), pyrithiobac-sodium: smart quinoline
Standing grain spirit=5:3 (control group 5), Quizalotop-ethyl: pyridine alcohol=3:2 (control group 6) carries out cauline leaf spraying treatment to indoor weeds.
Choose the representative weeds Cowhells in cotton field and Chenopodiaceae.First by according to volume ratio 1:1.5 be uniformly mixed fine sand and
Nutrition Soil is fitted into the vinyon alms bowl of 9~13cm of diameter, high 7~10cm, and the diameter by alms bowl bottom is 0.5~1cm's
Permeable hole is by fine sand and Nutrition Soil water saturates.Weed seed uniform broadcasting that is full, uniform, having no mechanical damage will be chosen in modeling
Expect in alms bowl, earthing 1.0cm, every basin sows about 40, and after weeds emergence, that selects neat and consistent grows to 3-5 leaf phase weeds
Seedling thinning is uniformly sprayed on weeds seedling to 20 plants/alms bowl using Singapore's benefit agriculture HD400 knapsack hand sprayer.Reference
" the 4th part of NY/T 1155.4-2006 farm-chemical indoor determination test rule herbicide: active determination test cauline leaf is spraying
Method " it carries out.
15d after chemicals treatment, using absolute value (number is surveyed) investigation method investigation records activity of weeding.Simultaneously according to Sun Yunpei etc.
The method that nineteen sixty proposes, calculates its virulence regression equation and co-toxicity coefficient.When co-toxicity coefficient is greater than 100, show 2 kinds or 2
Kind or more active principle there is synergistic effect, conversely, then showing that 2 kinds or two or more active principle have antagonism.
Compound herbicide the results are shown in Table 1 and table 2, control group 4-6, that is, binary to the indoor toxicity determination test of Cowhells and Chenopodiaceae
Compounding has certain synergistic function to Cowhells and Chenopodiaceae, but aobvious not as good as the effect of embodiment 1-10, that is, ternary recompounded composite
It writes, ternary compound herbicide quick-acting is good, and medicine post-processes 5-7 days, and Cowhells and Chenopodiaceae show symptom of chemical damage, wherein the stem of Cowhells
There is brown line in base portion, and serious person starts base portion and rots, blade and lobus cardiacus the jaundice chlorosis of Chenopodiaceae, and serious person's dehydration is withered.As it can be seen that
Compared with the control group of each single dose and binary built, the compound herbicide of 1-10 of the embodiment of the present invention has apparent synergistic
Effect, has significant increase to the preventive effect of Cowhells and Chenopodiaceae.
Indoor toxicity test of the table 1 to Cowhells
Indoor toxicity test of the table 2 to Chenopodiaceae
Test example 2: field trial
1. reagent agent
Reagent agent is respectively the compound herbicide of 1-10 of the embodiment of the present invention, 90% pyridine alcohol EC (control group 1), 15%
Pyrithiobac-sodium EC (control group 2), 10% Quizalotop-ethyl EC (control group 3), pyridine alcohol: pyrithiobac-sodium=1:5 (control group 4), phonetic
Careless thioether: Quizalotop-ethyl=5:3 (control group 5), Quizalotop-ethyl: pyridine alcohol=3:2 (control group 6).
2. experimental design
This test arrangement is carried out in the Chinese Academy of Agriculture Science and Technologys Cotton Research Institute (Earthquake of Anyang station in Henan) experimental plot, is experimental field one
Ripe open field live broadcast cotton field, topography is smooth, middle fertility.It is sowed on April 30th, 2018, Cotton growth and field management uniform one
It causes.Test sets 17 processing altogether, and wherein clear water is used as blank control, 3 repetitions of every processing, each processing plot area by spraying
50m2, random district's groups arrangement.
Application on May 18th, 2018, is administered 1 time, cotton is in 2~3 leaf phases, 3~5 leaf phase of weeds at this time.Spraying equipment
For Singapore's benefit agriculture knapsack hand sprayer, Fan spray head, field spray amount is 450Lhm-2Medical fluid, spray head install protection additional
Cover carries out directed spraying in the ranks.This experimental plot gramineae weed is mainly herba eleusines indicae and herba setariae viridis, and broadleaf weeds is mainly dent
Amaranth, Amaranthus retroflexus, Chenopodiaceae, sweet wine intestines and piemarker etc..
3. investigation content
Each cell weeds radix of investigation before application, every cell randomly choose 4 sample prescriptions, every sample prescription 0.5m × 0.5m, investigation
The type and quantity of weeds in field are recorded, and estimate the coverage of cell weeds；The 40d tune after 10d, 20d and medicine after medicine
Type, the quantity of weeds are looked into, while 40d investigates strain preventive effect after medicine, the fresh weight of weeds in sampling point is weighed, calculates fresh weight preventive effect.
4. calculation formula
The strain preventive effect of 10d and 20d is calculated by formula (1) after medicine, and 40d plants of preventive effects and fresh weight preventive effect are based on formula (2) after medicine
It calculates:
5. test result
Control efficiency of the table 3 to weed in cotton field
Control efficiency of the table 4 to weed in cotton field
From the data of table 3 and table 4 it is found that the compound herbicide of 1-10 of the embodiment of the present invention to the gramineae weed in cotton field and
The preventive effect of broadleaf weeds is excellent, have apparent synergistic effect, 6 days after administration, the Cowhells of embodiment 1-10 cell and
There is dark brown line in the basal part of stem of herba setariae viridis, and extends downwardly, the rotten death in 80% or more weeds foundation portion, and broadleaf weeds horse
Bitterroot, Amaranthus retroflexus, Chenopodiaceae, sweet wine intestines and blade and lobus cardiacus the jaundice chlorosis of piemarker, 80% or more weeds lobus cardiacus blacks, leaves water loss is dry
It is withered to die；And the symptom of chemical damage of the weeds performance of control group 4-6 cell is lighter, there is brown in the basal part of stem of Cowhells and herba setariae viridis
Line, a small number of weeds foundation portion rot, and broadleaf weeds blade and lobus cardiacus jaundice chlorosis, a small number of weeds lobus cardiacuses black, leaves water loss is dry
It is withered to die；Each single dose is most light to the phytotoxicity of weeds.
10 days after medicine, embodiment 1-10 cell is substantially at 90.0% or more to the preventive effect of grass and broad-leaved, after medicine
20 days, embodiment 1-10 cell reached 99.0% or more to the preventive effect of grass and broadleaf weeds, later, with newborn miscellaneous
The preventive effect of the appearance of grass, all cell processing is declined, and embodiment 1-10 cell, and 40 days strain preventive effects remain to after medicine
Up to 92.5%-97.3%, fresh weight preventive effect are up to 95.2%-99.9%.Therefore, with the composition phase of each single dose and binary built
Than, compound herbicide dosage is few, and quick-acting is fast, and the lasting period is long, is up to 40 days or more, has complementary advantages simultaneously, expand herbicidal spectrum,
Grass family and broadleaf weeds kill entirely, improve whole preventive effect.Also, compound herbicide composition of the invention is easy drop
Solution, residual life in the soil, is short, to cotton and succession crop safety.
The above described is only a preferred embodiment of the present invention, being not intended to limit the present invention in any form, appoint
What is to the above embodiments according to the technical essence of the invention any simply to repair without departing from technical solution of the present invention content
Change, equivalent variations and modification, all of which are still within the scope of the technical scheme of the invention.
Claims (7)
1. a kind of composite synergistic herbicide containing pyridine alcohol, the material quality number for preparing its active ingredient is as follows:
0.5-18 parts of pyridine alcohol, 0.1-30 parts of pyrithiobac-sodium, 0.1-35 parts of Quizalotop-ethyl.
2. a kind of composite synergistic herbicide containing pyridine alcohol as described in claim 1, prepares the raw material matter of its active ingredient
It is as follows to measure number:
0.5-15 parts of pyridine alcohol, 1-17 parts of pyrithiobac-sodium, 1-28 parts of Quizalotop-ethyl.
3. a kind of composite synergistic herbicide containing pyridine alcohol as described in claim 1, prepares the raw material matter of its active ingredient
It is as follows to measure number:
1-8 parts of pyridine alcohol, 7-17 parts of pyrithiobac-sodium, 15-25 parts of Quizalotop-ethyl.
4. a kind of preparation method of composite synergistic herbicide containing pyridine alcohol as described in one of claim 1-3, in which: living
The content of sexual element accounts for the 21-65.5% of herbicide gross mass.
5. a kind of preparation method of the composite synergistic herbicide containing pyridine alcohol as claimed in claim 4, in which: active ingredient
Content account for the 23-50% of herbicide gross mass.
6. a kind of preparation method of the composite synergistic herbicide containing pyridine alcohol as claimed in claim 5, in which: dosage form is can
Wet powder, water dispersible granules, suspending agent, missible oil, aqueous emulsion, microemulsion, granule, dispersible oil-suspending agent, microcapsule suspension
Agent, suspoemulsion, solvable pulvis or soluble granule.
7. a kind of composite synergistic herbicide containing pyridine alcohol is preventing and kill off the application in gramineae weed and broadleaf weeds.
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