CN110150282A - A kind of herbicidal composition containing mesotrione and sulfentrazone - Google Patents
A kind of herbicidal composition containing mesotrione and sulfentrazone Download PDFInfo
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- CN110150282A CN110150282A CN201910391275.5A CN201910391275A CN110150282A CN 110150282 A CN110150282 A CN 110150282A CN 201910391275 A CN201910391275 A CN 201910391275A CN 110150282 A CN110150282 A CN 110150282A
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- sulfentrazone
- mesotrione
- herbicidal composition
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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
- A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
- A01N41/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
- A01N41/10—Sulfones; Sulfoxides
-
- 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
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to pesticide herbicide technical fields, provide a kind of herbicidal composition containing mesotrione and sulfentrazone, and mesotrione and sulfentrazone weight ratio range are 1:0.3125-1:20.Herbicidal composition provided by the invention has good synergistic effect or addition for preventing and kill off the annual grassy weeds such as weeds herba setariae viridis, barnyard grass, piemarker and the purslane of corn field.The present invention expands degrass spectrum, enhances preventive effect, quick-acting and lasting effect effective supplement, and avoiding to be prevented and kill off using single herbicide will lead to Weed Resistance and quickly occur, and delays the generation of herbicide resistance, reduces dosage, reduces use cost, mitigates environmental pollution.
Description
Technical field
The invention belongs to pesticide herbicide technical fields, and in particular to a kind of weeding containing mesotrione and sulfentrazone
Agent composition.
Background technique
China is corn major producing country in the world, about 300,000,000 mu of long-term cultivated area or so, Huang-Huai-Hai be China most
Big Summer Maize growing area.Planting type is mostly that wheat-corn yields two crops a year, and plantation form is largely interplanting or iron stubble
Sowing.Corn field weed type is more, and growth is fast, and easily formation crop smothering, corn field main weeds have herba digitariae, herba eleusines indicae, barnyard grass, dent
Amaranth, Amaranthus retroflexus, field bindweed, Chenopodiaceae, herba eragrostidis pilosae, setaria viridis, the rhizome of nutgrass flatsedge, iron amaranth grass, black nightshade etc..Crop smothering is seriously threatening corn just
It is frequently grown, is to restrict corn with high yield, stable yields, good significant obstacle.Weeds and corn contention moisture, nutrient, illumination and space,
Deteriorate the growing environment of corn, influences the normal growth of Maize at Seedling Stage.General time, Weed infestation can make the corn underproduction 1
~2 one-tenth, 3~5 one-tenth of underproduction when serious.Corn field weed prevention and treatment is important link in maize production.
Herbicide is the common measure of current corn field weed prevention and treatment, promotion corn yield is improved and saved planting cost
It plays an important role.But long-term, the large scale application of herbicide, making farmland weed chemical control, there are weeds to resist
Property, population succession and drug injury problem be on the rise, seriously affect the high yield and the safety of good harvest and succession crop of corn.Make for a long time
It is prevented and kill off with single herbicide and will lead to the decline of susceptible weeds quantity, insensitive or malignant weed quantity rises, and causes weed control
It falls and changes, seriously affected the harvest of corn crop yield.
Sulfentrazone, English name Sulfentrazone, alias N- (2,4-Dichloro-5- (4-
(difluoromethyl)-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenyl)
Methanesulfonamide, name of product N- (2,4- bis- chloro- 5- (4- difluoromethyl -4,5- dihydro -3- methyl -5- oxos -
1H-1,2,4- triazol-1-yls) phenyl) Methanesulfomide, molecular formula C11H10Cl2F2N4O3S, molecular weight 387.19, CAS accession number
122836-35-5.Belong to low toxicity herbicide.Raw medicine rat acute LD50 > 2855 mg/kg, Acute inhalation LC504.14
Mg/litre, the medicine is irritating to lagophthalmos to rabbit skin minimal irritation, to fish low toxicity.Belong to proporphyrinogen oxidase inhibitor.It is logical
Inhibition proporphyrinogen oxidase is crossed, makes to generate excessive protoporphyrin IX in plant cell, the latter is photosensitizer, causes to generate into the cell
Active oxygen eventually leads to cell membrane, the rupture such as vesicular membrane, the exudation of cell Dissolve things inside, death of drying up.Soil half-life period 110-280
It, cauline leaf process, soil treatment.It leads a cow suitable for the Tanakas such as corn, sorghum, soybean, peanut prevention and treatment, is Amaranthus retroflexus, Chenopodiaceae, graceful
Top sieve, herba digitariae, herba setariae viridis, Siberian cocklebur, herba eleusines indicae, rhizome of nutgrass flatsedge etc. 1 year raw broadleaf weeds, gramineae weed and nutgrass flatsedge etc..
Mesotrione (mesotrione) also known as mesotrione, molecular formula C14H13NO7S；Molecular weight 339.32；CASNO
104206-82-8.Mesotrione is that one kind is able to suppress before the bud of medical midbodies of para (ortho)-hydroxybenzoic acetone acid esters dual oxide enzyme (HPPD) and after seedling
Wide spectrum selective herbicide can effectively prevent main broadleaved herb and some gramineae weeds.100 grams per liter mesotriones suspend
Agent has preferably corn field annual broadleaf weed and part gramineae weed such as piemarker, three-coloured amaranth, Chenopodiaceae, knotweed, barnyard grass, herba digitariae etc.
Control efficiency.And it is poor to acalypha copperleaf and some gramineae weed control efficiency.Dosage be 105~150g (effective component)/
(be converted into 100 grams per liter mesotrione suspending agent commodity amounts is 70~100mL/ mus to ha.General spouting liquid is 15~30L/ mus).
Application method is spraying for cauline leaf.One season corn uses 1 time, to corn safety under recommended dose.
Exploitation new product herbicide is expensive, the period is long, and in contrast, exploitation is efficient, less toxic, low-residual with research
With investing, small, the lead time is short with mixture for compounding.Reasonable chemical herbicide compounding or mixture, which have, expands degrass spectrum, improves
Control efficiency extends application period, reduces dosage, reduce phytotoxicity risk, reduce residual, delay weeds drug resistance and drug resistance
Generation and development the advantages that, so selecting suitable mixture of herbicides or mixture is solve the above problems maximally efficient and warp
One of method of Ji；However because the mechanism of action is complicated between mixed pesticide, after combination whether shadow of the synergy by many factors
It rings, only dependence experimental result is verified, and can not be expected.
Summary of the invention
To solve the deficiency in the prior art, the present invention provides a kind of herbicide containing mesotrione and sulfentrazone
Composition.
The present invention is achieved by the following technical solutions:
The present invention provides a kind of herbicidal composition containing mesotrione and sulfentrazone, mesotrione and sulfentrazone weight
Amount proportional region is 1:0.3125-1:20.
Preferably, the mesotrione and sulfentrazone weight ratio range are 1:1.25-1:5.
Preferably, the mesotrione and sulfentrazone weight ratio are 1:2.5,1:2.5 or 1:5.
Preferably, the mesotrione and sulfentrazone weight ratio are 1:2,1:3 or 1:4.
The herbicidal composition preparation is missible oil, aqueous suspension agent, oil-suspending agent, wettable powder, granule or water
The acceptable dosage form of the pesticides such as dispersible granule.
The herbicidal composition is used to prevent and kill off weeds herba setariae viridis, barnyard grass, piemarker and the purslane of corn field.
The beneficial effects of the present invention are:
1. expanding degrass spectrum, quick-acting and lasting effect obtain effective supplement.Weeds are anti-after mesotrione is compounded with sulfentrazone
Except spectrum has complementary advantages, there is good effect to corn field broadleaf weeds and gramineae weed, and quick-acting and lasting effect are excellent.
2. enhancing preventive effect.Interaction type is addition and has synergy work after mesotrione is compounded with sulfentrazone
With preventive effect enhancing is better than effect is applied alone.
3. avoiding to be prevented and kill off using single herbicide will lead to Weed Resistance and quickly occur, delay the hair of herbicide resistance
It is raw.
4. reducing dosage, use cost is reduced, mitigates environmental pollution.
Specific embodiment
The present invention will be further described With reference to embodiment, but the present invention should not be interpreted as limited to these
Embodiment.
Sulfentrazone, mesotrione configuration aqueous suspension agent method are as follows: sulfentrazone raw medicine, mesotrione raw medicine, electricity consumption
Sub- balance weighs quantitative sulfentrazone, mesotrione raw medicine respectively, after emulsifier special dissolution is first added, adds 2 times
It is spare that n,N-Dimethylformamide to being completely dissolved, with 0.1% Tween-80 aqueous solution is diluted to mother liquor.
The screening of 1 formula indoor of embodiment
1.1 experimental condition
It is herba setariae viridis, barnyard grass, piemarker and purslane for examination weeds.The culture of test test material, temperature 25- are carried out in glasshouse
35 DEG C, natural lighting.Quantitative herba setariae viridis, barnyard grass, piemarker, purslane seed are sowed in the plastic tub that diameter is 9 cm, are covered
Native 1-2 mm is put into the enamel tray equipped with water, water is allowed gradually to penetrate into, is transferred to phjytotron after waiting water to be seeped into native table and waits for
With.
In addition to 1-2 days after spray cannot water, the periodically moisturizing in a manner of the infiltrating irrigation of bottom, to keep soil moisture.
1.2 experimental design
Reagent agent is 94% mesotrione raw medicine, 91% sulfentrazone raw medicine.Weigh quantitative nitre sulphur respectively with electronic balance
Humulone, sulfentrazone raw medicine after emulsifier special dissolution is first added, add 2 times of n,N-Dimethylformamide to completely molten
Solution, it is spare to be diluted to 1% mother liquor with 0.1% Tween-80 aqueous solution.
Mesotrione sets 15,30,60,120 ga.i./ha, and sulfentrazone sets 37.5,75,150,300 ga.i./ha.Often
A medicament various dose uses to obtain different mixed dosage with two-by-two.
It tests in herba setariae viridis, 1 heart stage of 2 leaf of barnyard grass, 2 needle phase of piemarker, the processing of purslane 3-5 leaf phase cauline leaf even spraying.
Sprinkling system, Fan spray head, in conjunction with sprinkler pressure, flow etc., by practical spray face are automatically controlled using ASS-4 type
Product (1.1 m2) 50 mL medical fluids of sprinkling (equivalent 30 L of mu water consumption), the speed of service has been debugged, plastic tub to be processed is uniform
It is arranged on spraying platform, even spraying processing.0.4 MPa of atomisation pressure, Fan spray head flow 800mL/min.It is supreme by low amounts
Amount successively sprays.Every processing is repeated 4 times.
1.3 test results calculate
With synergy type of the Gowing method evaluation after mixed.
Gowing law theory preventive effect calculating formula are as follows:
X, Y are respectively the anti-valid value of actual measurement (%) of two single doses in formula, and E is the anti-valid value of actual measurement (%) that different ratio is used with, E0For
Theoretical anti-valid value (%).As E- E0It is addition, E- E when between -5-50It is synergistic effect, E- E when > 50It is short of money when < -5
Anti- effect.
1 mesotrione of table and sulfentrazone mixture synergy indoor measurement-Gowing method
Test result shows that mesotrione has good effect to corn field broadleaf weeds piemarker and gramineae weed barnyard grass, but
It is poor to purslane and herba setariae viridis effect, and the pharmacy effect speed is slightly slow, and with weed growth after application, it is white newly to go out blade
Change, death of then gradually drying up, the low processing of dosage, which has, turns green；Another medicament sulfentrazone to gramineae weed herba setariae viridis,
Barnyard grass and broadleaf weeds piemarker have good effect, slightly lower to another broadleaf weeds purslane effect, pharmacy effect speed
Degree is fast, and 2 days weeds start to dry up after application, then dead.
After mesotrione is compounded with sulfentrazone, mesotrione and sulfentrazone weight ratio are in 1:3125,1:0.625,1:
1.25,1:2.5,1:5,1:10,1:20 show as synergy or addition, and quick-acting and lasting effect are complementary, very well, to dog tail
Grass, barnyard grass, piemarker and purslane have good effect, and compounding effect belongs to apparent synergistic effect, recommend nitre sulphur grass
Ketone 60-120g a.i./ha and sulfentrazone 150-300g a.i./ha compounding, i.e. mesotrione: sulfentrazone 1:1.25-
5。
The measurement of 2 field efficacy of embodiment
2.1 experimental condition
2.1.1 the selection of crop and cultivar
Summer corn, kind are the single sowing on June 12nd, 981,2018 in Shandong, 4500/mu of single grain fine sowing.Spacing in the rows 0.6m, line-spacing
0.25m。
2.1.2 the selection of subjects weeds
Herba digitariae, barnyard grass, herba setariae viridis, purslane.
2.1.3 cultivation condition
Test corn field is located at Jinan City, Shandong Province Jiyang area peace town.Experimental field be loam, the content of organic matter 1.6% or so,
PH value 7.6.Experimental plot weeding control effect is uniform, so not applying other herbicides during entire test；Have no that disease pest is sent out when application
Raw, in addition corn seeding applies 50kg Controlled Release Fertilizer per acre simultaneously.
It is smooth to test topography, management is consistent, and it is preferable that fertility and water pour condition.
Experimental field preceding stubble plants wheat, and herbicide used is florasulam+azoles humulone.
2.2 experimental design
2.2.1 test medicine
10% mesotrione suspending agent, 40% sulfentrazone suspending agent, 30% mesotrione sulfentrazone suspending agent (pass through indoor examination
It tests 3 proportions of recommended ratio design and 30% mesotrione sulfentrazone suspending agent is made, mesotrione: sulfentrazone is respectively 1:
2,1:3,1:4).
2.2.2 application method
Spraying instrument is noncomparable advanced knapsack sprayer, tests each processing by per hectare and is watered 450 liters of even sprayings.In
The processing of corn field annual grassy weeds 2-5 leaf phase cauline leaf even spraying.
2.2.3 spraying time and number
It tests and is carried out on June 25th, 2018, application is primary altogether.Corn 3-5 leaf, grows fine when application；Weeds in field 2-5
Ye Qi, based on herba digitariae, barnyard grass, herba setariae viridis, purslane.
2.3 drug effect calculation methods
Calculation formula:
2 30% mesotrione sulfentrazone suspending agent of table is applied to corn field effect measuring (30d is investigated after application)
Test result shows that 10% mesotrione suspending agent has preferable effect to herba digitariae, barnyard grass, but imitates to herba setariae viridis, purslane
Fruit is very poor, and the pharmacy effect speed is slow, and with weed growth after application, newly going out blade albefaction influences growth, then gradually dead,
But trial zone is prevented and kill off and is not thorough；40% sulfentrazone suspending agent has good effect to herba setariae viridis, barnyard grass, purslane, and acts on
Speed is fast, after application the 2nd day i.e. hop to it is withered die, but the later period have part turn green.
30% mesotrione sulfentrazone suspending agent of the two compound preparation integrates two single dose advantages, and quick-acting and lasting effect are equal
Excellent, weed control spectrum has complementary advantages, and has to experimental plot gramineous weeds sativa, barnyard grass, herba setariae viridis and broadleaf weeds purslane
Good effect, 4 proportions are better than two single doses.
30% mesotrione sulfentrazone suspending agent is safe to corn.
The measurement of 3 field efficacy of embodiment
3.1 experimental condition
3.1.1 the selection of crop and cultivar
Corn, kind are to step on extra large sowing on June 13rd, 605,2018, and single grain fine sowing 4500 is per acre.0.6 m of spacing in the rows.
3.1.2 the selection of subjects weeds
Herba setariae viridis, barnyard grass, piemarker, Amaranthus retroflexus.
3.1.3 cultivation condition
Test wheat paddock is located at Shandong Province, the village city-level Suo Zhenlong village, Tengzhou.Experimental field be loam, the content of organic matter 1.4% or so,
PH value 7.8.Experimental plot weeding control effect is uniform, so not applying other herbicides during entire test.
It is smooth to test topography, management is consistent, and it is preferable that fertility and water pour condition.
Experimental field preceding stubble plants wheat, and herbicide used is mesosulfuron+florasulam.
3.2 experimental design
3.2.1 test medicine
10% mesotrione suspending agent, 40% sulfentrazone suspending agent, 30% mesotrione sulfentrazone suspending agent (pass through indoor examination
It tests 3 proportions of recommended ratio design and 30% mesotrione sulfentrazone suspending agent is made, mesotrione: sulfentrazone is respectively 1:
2,1:3,1:4).
3.2.2 application method
Spraying instrument is noncomparable advanced knapsack sprayer, tests each processing by per hectare and is watered 450 liters of even sprayings.In
The raw weeds 2-5 leaf phase cauline leaf even spraying processing of winter wheat field overwintering the previous year.
3.2.3 spraying time and number
It tests and is carried out on July 3rd, 2018, application is primary altogether.Corn is in the 3-4 leaf phase when application.
3.3 drug effect calculation methods
Calculation formula:
3 30% mesotrione sulfentrazone suspending agent of table is applied to corn field effect measuring (25d is investigated after application)
Test result shows that 10% mesotrione suspending agent has good effect to barnyard grass, piemarker, Amaranthus retroflexus, imitates to herba setariae viridis
Fruit is poor；40% sulfentrazone suspending agent is also preferable to various weeds effects, which is work fast, but the medicine
The agent later period has part to turn green.
30% mesotrione sulfentrazone suspending agent of the two compound preparation integrates two single dose advantages, and quick-acting and lasting effect are equal
Very well, there are good effect, 3 proportions to experimental plot broadleaf weeds piemarker, Amaranthus retroflexus and gramineae weed herba setariae viridis, barnyard grass
Far better than two single doses.
30% mesotrione sulfentrazone suspending agent is safe to corn.
The above is only the preferred embodiment of this patent, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the art of this patent principle, several improvement and replacement can also be made, for example on this basis
The herbicides such as atrazine or Garagard are added, these are improved and replacement also should be regarded as the protection scope of this patent.
Claims (6)
1. a kind of herbicidal composition containing mesotrione and sulfentrazone, it is characterised in that: mesotrione and sulfentrazone
Weight ratio range is 1:0.3125-1:20.
2. a kind of herbicidal composition containing mesotrione and sulfentrazone according to claim 1, it is characterised in that:
The mesotrione and sulfentrazone weight ratio range are 1:1.25-1:5.
3. a kind of herbicidal composition containing mesotrione and sulfentrazone according to claim 2, it is characterised in that:
The mesotrione and sulfentrazone weight ratio are 1:2.5,1:2.5 or 1:5.
4. a kind of herbicidal composition containing mesotrione and sulfentrazone according to claim 2, it is characterised in that:
The mesotrione and sulfentrazone weight ratio are 1:2,1:3 or 1:4.
5. a kind of herbicidal composition containing mesotrione and sulfentrazone, feature described in -4 exist according to claim 1
In: the herbicidal composition preparation is missible oil, aqueous suspension agent, oil-suspending agent, wettable powder, granule or water-dispersible grain
The acceptable dosage form of the pesticides such as agent.
6. a kind of herbicidal composition containing mesotrione and sulfentrazone, feature described in -4 exist according to claim 1
In: the herbicidal composition is used to prevent and kill off weeds herba setariae viridis, barnyard grass, piemarker and the purslane of corn field.
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| CN104255738A (en) * | 2014-09-12 | 2015-01-07 | 河南远见农业科技有限公司 | Sugarcane field herbicide composition and application thereof |
| CN106614623A (en) * | 2015-11-03 | 2017-05-10 | 重庆鸿谦农业开发有限责任公司 | Weeding composition containing atrazine |
| CN106665592A (en) * | 2016-12-03 | 2017-05-17 | 安徽丰乐农化有限责任公司 | Herbicide mixture for sugarcane field |
| CN107232209A (en) * | 2017-07-14 | 2017-10-10 | 浙江天丰生物科学有限公司 | Ternary weeding composition |
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2019
- 2019-05-12 CN CN201910391275.5A patent/CN110150282A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1596649A (en) * | 2004-08-25 | 2005-03-23 | 马韵升 | Herbicide composition containing methyl sulcotrione |
| CN101511173A (en) * | 2006-07-19 | 2009-08-19 | 先正达参股股份有限公司 | Herbicidal composition and method of use thereof |
| CN104255738A (en) * | 2014-09-12 | 2015-01-07 | 河南远见农业科技有限公司 | Sugarcane field herbicide composition and application thereof |
| CN106614623A (en) * | 2015-11-03 | 2017-05-10 | 重庆鸿谦农业开发有限责任公司 | Weeding composition containing atrazine |
| CN106665592A (en) * | 2016-12-03 | 2017-05-17 | 安徽丰乐农化有限责任公司 | Herbicide mixture for sugarcane field |
| CN107232209A (en) * | 2017-07-14 | 2017-10-10 | 浙江天丰生物科学有限公司 | Ternary weeding composition |
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Application publication date: 20190823 |