CN105875617B - A kind of Synergistic herbicide compositions for preventing and kill off wheat paddock ALS inhibitor resistant weeds - Google Patents
A kind of Synergistic herbicide compositions for preventing and kill off wheat paddock ALS inhibitor resistant weeds Download PDFInfo
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- CN105875617B CN105875617B CN201610236804.0A CN201610236804A CN105875617B CN 105875617 B CN105875617 B CN 105875617B CN 201610236804 A CN201610236804 A CN 201610236804A CN 105875617 B CN105875617 B CN 105875617B
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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
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Abstract
The invention belongs to pesticide synergistic technical field, and in particular to one kind includes polybenzobisoxazole humulone and pyrazole compound, for preventing and treating the pesticide synergistic composition of wheat paddock Herbicide-resistant weeds.A kind of Synergistic herbicide compositions for preventing and kill off wheat paddock ALS inhibitor resistant weeds, including the effective active components A of weeding and active component B, wherein active components A is compound polybenzobisoxazole humulone, and active component B is one or both of pyrazole compound pyraflufen-ethyl, difenzoquat.The composition can effectively prevent and kill off the broad leaved weedses in wheat paddock, have the characteristics that expansion herbicide controlling spectrum, synergistic effect are obvious, reduce amount of application, to crop safety.
Description
Technical field
The invention belongs to pesticide synergistic technical field, and in particular to one kind includes polybenzobisoxazole humulone and pyrazole compound pyrrole grass
One or both of ether, difenzoquat, for preventing and kill off the Synergistic herbicide compositions of wheat paddock ALS inhibitor resistant weeds.
Background technology
It is means the most economical and effective during farmland weed is prevented and kill off using herbicide chemical weed control.But long-term continuous high agent
Amount ground is using the chemical herbicide of single variety or the single mode of action, the problems such as easily causing weeds resistance and resistance evolution.
The reasonable compounding or mixture of herbicidal compounds, which have, to be expanded weeds spectrum, improves preventive effect, delays weeds drug resistance and anti-medicine
The advantages that generation and development of property, be one of maximally efficient method to solve the above problems.
Polybenzobisoxazole humulone is the wheat field herbicide newly researched and developed, to acetolactate synthestase (ALS) inhibitor class herbicide (benzene
Sulphur is grand, mesosulfuron, flucarbazone, pyroxsulam) the broad leaved weed Descurainia sophia, shepherd's purse, ox chickweed, the Mai Jia that develop immunity to drugs
Public affairs, Veronica etc. have significant prevention effect.
With reference to the characteristic of polybenzobisoxazole humulone, a kind of Synergistic herbicide compositions are researched and developed, for the anti-tool of wheat paddock Herbicide-resistant weeds
It is significant.
The content of the invention
To solve the above-mentioned problems in the prior art, with reference to the characteristic of polybenzobisoxazole humulone, the invention provides one kind to wrap
The Synergistic herbicide compositions of humulone containing polybenzobisoxazole and pyrazole compound, said composition can effectively prevent and kill off wheat paddock broad leaved weed,
Particularly resistance to the action of a drug broad leaved weed, have expand herbicide controlling spectrum, synergistic effect is obvious, and formulation rate is few, it is safe the characteristics of.
It is a kind of prevent and treat wheat paddock Herbicide-resistant weeds Synergistic herbicide compositions, it include the effective active components A of weeding with
Active component B, wherein active components A are compound polybenzobisoxazole humulone；
Active component B is one or both of pyrazoles class chemical combination pyraflufen-ethyl, difenzoquat.
Wherein, A and B weight ratio is 1-100:1-100, preferably A and B weight ratio are 1-75:1-75,1-50:1-50,
1-20:1-20, in the range of the weight ratio limited, the technology that active components A obtains Synergistic with active component B mixtures is imitated
Fruit.
Active components A and active component B weight/mass percentage composition account for the 10- of total amount in the Synergistic herbicide compositions
95%, preferably 10-85%.
The Synergistic herbicide compositions of the present invention include the common auxiliary agent of agricultural chemicals of the active component and 5-90 parts of 10-95 parts.Help
Agent refers to the carrier for contributing to active component to apply, surfactant etc..
Carrier refers mainly to pesticide industry and often uses material, such as clay, silicate, solid fertilizer, water, alcohols, ketone.
Surfactant includes emulsifying agent, dispersant, wetting agent etc., is pesticide industry general types, such as polyacrylic acid
Salt, lignosulfonates, alkyl sulfate, lauryl ether sulfate, laruyl alcohol polyglycol ether acetal, sorbitol ester, denaturation
Albumen, Hydrophobic Modified Starch, polyvinyl alcohol etc., at least need a kind of surfactant to exist, be advantageous to active component in water
Dispersant apply.
Above-mentioned composition also contains various other components, such as protecting colloid, adhesive, thickener, thixotropic agent, infiltration
Agent, stabilizer, chelating agent, dyestuff, colouring agent and polymer.
The composition of the present invention can be used by user before use through dilution or directly.It, which is prepared, to be added by common
Work method prepare, i.e., after active material is mixed with liquid flux or solid carrier, add surfactant such as dispersant, surely
Determine the one or more in agent, wetting agent, adhesive, defoamer etc..
The specific preparation of the Herbicidal combinations is that missible oil, suspending agent, microemulsion, suspension emulsion, aqueous emulsion, dispersible oil are outstanding
Floating agent, wettable powder or water dispersible granules (dry suspending agent).
Composition includes following constituent content when wettable powder is made：Active components A 5~75%, active component B 5
~60%, dispersant 5~10%, wetting agent 2~10%, filler surplus.
Composition includes following constituent content when water dispersible granules are made：Active components A 5~75%, active component B5~
60%th, dispersant 3~10%, wetting agent 3~8%, disintegrant 1~10%, binding agent 1~9%, filler surplus.
Composition includes following constituent content when suspending agent is made：Active components A 6~40%, active component B 6~
30%th, dispersant 2~8%, wetting agent 2~8%, defoamer 0.1~1%, binding agent 0.1~1.5%, antifreeze 0.1~
8%th, deionized water adds to 100%.
Composition includes following constituent content when suspension emulsion is made：Active components A 1~40%, active component B 1~
30%th, emulsifying agent 3~12%, dispersant 3~10%, defoamer 0.1~3%, thickener 0.1~3%, antifreeze 0.1~
8%th, stabilizer 0.05~3%, water add to 100%.
Composition includes following constituent content when aqueous emulsion is made：Active components A 1%~40%, active component B 1%
~30%, solvent 2%~10%, emulsifying agent 2%~12%, dispersant 2%~9%, emulsifying agent 0.2%~5%, antifreeze
0.1%~7%, defoamer 0.1%~2%, thickener 0.1%~2%, deionized water add to 100%.
Composition includes following constituent content when microemulsion is made：Active components A 1%~40%, active component B 1%
~30%, emulsifying agent 5%~12%, solvent 2%~10%, antifreeze 5%~12%, stabilizer 0.5%~3%, deionization
Water adds to 100%.
In further preferred form of implementation, the Herbicidal combinations also include safener C, and it is selected from pyrazoles solution grass
It is ester, cloquintocetmexyl, isoxadifen, benoxacor, flurazole, BAS-145138, MON-13900, quinoline, 2,4-D, new
One or more in Antidote T and gibberellin.
The composition of the present invention can be applied on pending plant leaf blade by the method for spraying, tried by field efficacy
Test and show, in the leaf phase of wheat 3 to period of seedling establishment, weeds 1-4 leaves do not wait the phase, and wheat has no symptom of chemical damage from dispenser to maturity period, right
Wheat safety.The preventive effect of weeds reaches more than 90% in 45 days, and with the increase of dosage, preventive effect substantially increases, and a dispenser is
Weed Galium tricorne in crop whole growth period, Descurainia sophia, shepherd's purse, corn gromwell, Veronica, wartwort etc., not only weeding can be controlled
Significant effect, and it is environmentally friendly, on second stubble crop without influence.
The Herbicidal combinations of the present invention, which also have, to be had the advantage that：
(1) Herbicidal combinations of the invention are easy to degrade in the environment, to when stubble wheat and succession crop it is very safe.
(2) Herbicidal combinations cost of the invention is low, easy to use, and its popularization and application has huge economic benefit and society
Benefit.
(3) Herbicidal combinations of the present invention can prevent and kill off non-resistance broad leaved weedses, and and can is prevented and kill off produces to ALS inhibitor
The broad leaved weed of raw resistance, herbicidal effect are good.
Embodiment
With reference to specific embodiment, the present invention will be further described, but these examples are not intended to limit the model of the present invention
Enclose.In addition any change that those of ordinary skill in the related art do to the present invention, without departing from the essence of the present invention, all will
Equivalence falls in claims of the present invention limited range.
1) microemulsion
1.1) active components A, active component B are pyraflufen-ethyl
Being formulated composition is：The maleic di-sec-octyl sulfonic acid of+10% ethanol of+10% cyclohexanone of 10%A+2% pyraflufen-ethyls+8%
The phenethyl phenol polyethenoxy ether formaldehyde resin condensation product of the phenethyl phenol polyethenoxy ether of sodium+8%+3%+water is supplied.
1.2) active components A, active component B are difenzoquat
Being formulated composition is：The maleic di-sec-octyl sulfonic acid of+10% ethanol of+10% cyclohexanone of 1%A+20% difenzoquats+8%
The phenethyl phenol polyethenoxy ether formaldehyde resin condensation product of the phenethyl phenol polyethenoxy ether of sodium+8%+3%+water is supplied.
Above-mentioned microemulsion process：Active compound and solvent are put into batching kettle, stirring and dissolving to fully transparent, Zhi Houjia
Enter emulsifying agent, stir, finally plus water, stir fully transparent to solution, after chemical examination is qualified, it is filling to be transferred to storage tank.
The test of pesticide effectiveness
1) experimental condition
1.1), for trying target
Shepherd's purse (Capsella bursa-pastoris), Descurainia sophia (Descurainia sophia) pick up from Thailand of Shandong Province
An Shi proving grounds wheat paddock.
Above-mentioned weeds use pot-culture method culture, with 180 х 140mm plastic nutrition bowls, are placed in enamel tray, built-in from agriculture
The topsoil for backing through and air-drying sieving is adopted in field, and soil moisture controls 20% initial stage, selects the homogeneous ruderal species of full seed
Son, soaked 6 hours with 25 DEG C of warm water, the vernalization in 28 DEG C of biochemical cultivation cases (dark) is uniform by the weed seed just to have showed money or valuables one carries unintentionally
Soil surface is placed in, then earthing 0.7cm.It is placed in controllable heliogreenhouse and cultivates after chemicals treatment, periodically in enamel tray
A certain amount of water is added, keeps ground moistening.
1.2), condition of culture
Carried out in controllable heliogreenhouse, 18~30 DEG C of temperature, natural lighting, relative humidity 57%~72%.
Soil types is loam, the content of organic matter 1.63%, pH7.1, alkali-hydrolyzable nitrogen 84.3mg/kg, rapid available phosphorus 38.5mg/
Kg, available potassium 82.1mg/kg.
1.3), instrument and equipment
3WP-2000 type walking spray towers, Nanjing Agricultural Machinery Inst., Ministry of Agriculture.GA110 type a ten thousandth electronics day
Flat (Germany)；ZDR2000 intelligent datas recorder (Hangzhou Ze great Instrument Ltd.)；SPX type Intelligent biochemistry incubators (Ningbo
South of the River instrument plant).
2) experimental design
2.1), reagent
2.1.1), test medicine
Required active component B is commercially available active compound, and active components A polybenzobisoxazole humulone, Qingdao resistant weed former clearly is prevented and treated limited
Company produces.
Active compound uses acetone as solvent, is diluted with the emulsifying agent T-80 aqueous solution of content 0.1%, current existing dilution.
2.2), test process
2.2.1), dosage is set
This research is on the basis of prerun early stage, if active components A, active component B are alone and mixing dosage is shown in Table respectively
Lattice.Blank control is used as using the water without medicament, containing same solvent and emulsifying agent.
2.2.2), experiment repeats
Often processing is repeated 4 times, and often handles 3 basins every time, and per basin, sowing weed seed 20, often handles totally 60 plants.
2.3), processing mode
Experiment shares medicine 1 time.Treat the heart stage of 2 leaf of weeds 1, thinning, keep 15 plants of weeds in per basin, often processing retains 45 plants,
Then proceed to cultivate to shepherd's purse 3-4 leaf phases, the heart stage of 3 leaf of Descurainia sophia 1 and handled.
3) test method
Using pot-culture method.Weeds culture is shown in 2.1, reference《Farm-chemical indoor determination test rule herbicide》Carry out.
4), data survey and statistical analysis
4.1), investigation method
Using absolute number investigation method, the survival whole strain seedling of weeds is cut off along soil surface with blade, is weighed with assay balance
Weeds fresh weight.It is based on zero by fresh weight for dead weeds.
4.2), data statistic analysis
The theoretical fresh weight inhibition (E0=X+Y-X*Y/100) of each processing hybrid combining, Ran Houyu are calculated with Gowing methods
Actual measurement inhibiting rate (E) compares, the two mixed synergy type to weeds of evaluation, is that synergy is made when E-E0 values are more than 10%
With, less than -10% be antagonism, be addition between -10%~10%.It is and special according to actual preventive effect and herbicide
The factors such as point, the balance being formulated determine optimum proportioning.
X is fresh weight inhibition when active components A dosage is P in formula；Y is that fresh weight when active component B dosages are Q suppresses
Rate.
Statistical result see the table below.
The active components A of the table 1 actual preventive effect and synergy effect (Gowing methods) to weeds mixed with pyraflufen-ethyl
The active components A of the table 2 actual preventive effect and synergy effect (Gowing methods) to weeds mixed with difenzoquat
The composition that result of the test can be seen that the present invention from table has to wheat paddock broad leaved weedses and well prevented and kill off
Effect, have significant synergies between active component, the synergistic effect to Descurainia sophia, shepherd's purse is particularly evident, and wheat is pacified
Entirely.
Suppress the effect test of resistance Descurainia sophia to ALS
Experiment descurainia sophia seed was collected in Shandong Province Tai'an in 2014, resistance be present to tribenuron-methyl.Test method：Will
Weed seed unifies vernalization, by pretreatment for examination weed seed uniform broadcasting in soil surface.Dispenser is advanced in the ranks seedling, per basin
Final singling is each to handle 4 basins examination material to 30 plants.Cauline leaf spraying treatment is carried out to weeds, investigates the strain number of death, weeds strain is calculated and prevents
Imitate (average value that strain preventive effect is 4 repetitions in table), the statistical test situation after testing 45 days, as a result such as table 3：
Table 3 suppresses the effect test situation of resistance Descurainia sophia to ALS
Dispenser Processing Example 1.1,1.2 can effectively prevent and kill off the Descurainia sophia that target resistance is produced to tribenuron-methyl, with benzene sulphur
It is grand that cross resistance is not present.
By lot of experiments and exploration, it is a discovery of the invention that polybenzobisoxazole grass type herbicides and pyrazoles herbicide pyraflufen-ethyl, open country
Swallow is withered mixed, prevents and kill off broad leaved weedses for wheat paddock after seedling, has synergistic effect, and especially Descurainia sophia, shepherd's purse, pig are brought disaster to
Calamity, corn gromwell, Veronica, wartwort etc. weeds have particularly evident synergistic effect, and the above-mentioned of resistance is produced to ALS inhibitor
Weeds, in the absence of cross resistance, preventive effect protrudes, hence it is evident that and it is alone higher than both, obvious synergistic effect is shown, while can reduce
Dosage, crop safety is improved, reduce the pollution to environment, and rationally compounding reduces agricultural cost, has good prospect.
Claims (7)
- A kind of 1. Synergistic herbicide compositions for preventing and kill off wheat paddock ALS inhibitor resistant weeds, it is characterised in that：It is effective including weeding Active components A and active component B, wherein active components A is compound polybenzobisoxazole humulone, and active component B is pyrazole compound One kind in pyraflufen-ethyl, difenzoquat；Wherein, the weight of polybenzobisoxazole humulone and pyraflufen-ethyl ratio is 1: 5~1: 40；The weight of polybenzobisoxazole humulone and difenzoquat ratio be 5: 2~ 20∶1。
- 2. a kind of Synergistic herbicide compositions for preventing and kill off wheat paddock ALS inhibitor resistant weeds according to claim 1, its feature It is, the active components A mass percent shared in Herbicidal combinations with active component B is 10%-95%.
- 3. a kind of Synergistic herbicide compositions for preventing and kill off wheat paddock ALS inhibitor resistant weeds according to claim 1, it is special Sign is, the specific formulations of the Herbicidal combinations is missible oil, suspending agent, microemulsion, suspension emulsion, aqueous emulsion, dispersible oil are outstanding Floating agent, wettable powder or water dispersible granules.
- 4. a kind of Synergistic herbicide compositions for preventing and treating wheat paddock Herbicide-resistant weeds according to claim 1, it is characterised in that also wrap Include safener C.
- 5. Synergistic herbicide compositions according to claim 4, it is characterised in that the safener C is selected from mefenpyrdiethyl, removing toxic substances In quinoline, isoxadifen, benoxacor, flurazole, BAS-145138, MON-13900,2,4-D, new Antidote T and gibberellin One or more.
- 6. the Synergistic herbicide compositions as described in claim 1-5 any one, it is characterised in that the insecticide-applying way of the composition To spray pesticide before wheat jointing after being unearthed for weeds, wheat paddock broad leaved weed can be effectively prevented and treated.
- 7. Synergistic herbicide compositions according to claim 6, it is characterised in that the wheat paddock broad leaved weed is to suppress to ALS Agent class herbicide tribenuron-methyl, mesosulfuron, flucarbazone, pyroxsulam produce the broad leaved weed clearvers of resistance, Descurainia sophia, Shepherd's purse, corn gromwell, Veronica, wartwort.
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| CN106946784B (en) * | 2017-05-02 | 2019-02-12 | 青岛清原化合物有限公司 | Amorphous state polybenzobisoxazole humulone and its preparation method and application |
| CN107646848A (en) * | 2017-11-09 | 2018-02-02 | 青岛清原化合物有限公司 | A kind of Herbicidal combinations of humulone containing polybenzobisoxazole and its application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101102671A (en) * | 2004-12-17 | 2008-01-09 | 株式会社Lg生命科学 | Synergistic herbicidal compositions |
| CN102204545A (en) * | 2011-06-09 | 2011-10-05 | 陕西韦尔奇作物保护有限公司 | Weeding composite containing carfentrazone-ethyl and pyraflufen-ethyl |
| CN103980202A (en) * | 2014-05-27 | 2014-08-13 | 青岛清原化合物有限公司 | 4-benzoyl pyrazole compound with herbicidal activity |
| CN105230629A (en) * | 2015-11-17 | 2016-01-13 | 青岛清原抗性杂草防治有限公司 | Synergic weeding composition |
-
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- 2016-04-15 CN CN201610236804.0A patent/CN105875617B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101102671A (en) * | 2004-12-17 | 2008-01-09 | 株式会社Lg生命科学 | Synergistic herbicidal compositions |
| CN102204545A (en) * | 2011-06-09 | 2011-10-05 | 陕西韦尔奇作物保护有限公司 | Weeding composite containing carfentrazone-ethyl and pyraflufen-ethyl |
| CN103980202A (en) * | 2014-05-27 | 2014-08-13 | 青岛清原化合物有限公司 | 4-benzoyl pyrazole compound with herbicidal activity |
| CN105230629A (en) * | 2015-11-17 | 2016-01-13 | 青岛清原抗性杂草防治有限公司 | Synergic weeding composition |
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