CN106942241A - A kind of nematicidal agent composition containing tioxazafen and fludioxonil - Google Patents
A kind of nematicidal agent composition containing tioxazafen and fludioxonil Download PDFInfo
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- CN106942241A CN106942241A CN201710193008.8A CN201710193008A CN106942241A CN 106942241 A CN106942241 A CN 106942241A CN 201710193008 A CN201710193008 A CN 201710193008A CN 106942241 A CN106942241 A CN 106942241A
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- fludioxonil
- tioxazafen
- agent composition
- nematode
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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
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/82—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with three ring hetero atoms
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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
- A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
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- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of new nematicidal agent composition containing tioxazafen and fludioxonil, comprising fludioxonil, tioxazafen and usual auxiliaries, the ratio of weight and number of active ingredient tioxazafen and fludioxonil is 30 in said composition:1~1:20；After composition pesticide tioxazafen and fludioxonil of the present invention are compounded in certain proportion, there is obvious synergistic effect to preventing and treating nematode, suitable for crop root-rot nematodiasis caused by crop root knot nematode disease caused by crop nematodiasis, especially root-knot nematode caused by preventing and treating pathogen nematode and pratylenchus.
Description
Technical field
It is using tioxazafen and fludioxonil as active component, originally the present invention relates to a kind of new nematicidal agent composition
Preventing and treating of the nematicidal agent composition of invention to various plants nematodiasis shows synergistic function, especially root-knot nematode
Crop root-rot nematodiasis caused by caused crop root knot nematode disease and pratylenchus.
Background technology
Widely, each plant almost at least a kind of parasitic nematode is relevant with plant for the distribution of Plant nematode
Nematode is up to more than 100 category, and kind more than 2000 causes different degrees of harm to many crops.It is reported that serious harm China
The nematode of agriculture, woods, industrial crops etc. is up to kind more than 100.Harm of the Plant nematode to some crops be even more than other diseases, worm,
The extent of injury of grass.Plant nematode has the characteristics of actively attacking parasitic and automatic moving.They cause harm plant, except drawing host's
Nutrition is simultaneously caused outside mechanical damage to plant tissue, and more importantly their esophagus can secrete noxious material, and these materials are
A variety of digestive ferments, induce host tissue and occur various pathological changes, can make plant tissue cell's overdevelopment, form megabacterium
Or make the dissolving of cell mesoglea cause cell disintegration, cell membrane destroyed etc., so that root and cortex form cavity or even thin
Born of the same parents are dead, and huge economic loss is caused to agriculture industry.
Nematicide tioxazafen, chemical name is 3- phenyl -5-（The base of thiophene -2）- 1,2,4- oxadiazoles, are by Meng
The oxadiazole class nematicide of Shan Dou companies report, is mainly used in pest control and the nematode processing of soil, its molecular structure
It need not use that smell is big, with serious pollution raw material without N, P element, in building-up process, the effect of clean manufacturing can be reached.According to grinding
Study carefully, tioxazafen has fabulous bioactivity to multiclass Plant nematode, in future, nematicide tioxazafen is expected to replace
Turn into the nematicidal products of main flow for nematicides such as fosthiazates.
Fludioxonil is the new non-internal-absorting phenylpyrrole series bactericidal agent of a class, and it is the generation not of the same race of false single armful of Pseudomonas
Secondary metabolites pyrrolnitrin analog.Its transfer relevant by suppressing glucose phosphorylated, and suppress fungi bacterium
The growth of filament, ultimately results in germ dead.The mechanism of action is unique, with existing bactericide no interactions resistance.The suppression of energy selectivity
Mildew making and be widely used in preventing and treating agricultural production in fungal disease.
Present inventor is had found after compounding tioxazafen and fludioxonil to a variety of on the basis of lot of experiments
The preventing and treating of the preventing and treating of root-knot nematode, particularly pratylenchus shows outstanding synergistic function.And so far, do not have also
Document is disclosed tioxazafen and fludioxonil mixture, and by the composition of gained for preventing and treating agricultural disease.
The content of the invention
New to synergy that active ingredient is tioxazafen and fludioxonil line is killed it is an object of the invention to provide a kind of
Worm agent composition, provides one kind and has for the preventing and treating of preventing and treating especially crop root-rot nematodiasis and the root knot nematode disease of crop nematodiasis
The approach of effect.
In order to achieve the above object, the present invention is adopted the following technical scheme that：
A kind of new nematicidal agent composition, its active ingredient mainly includes tioxazafen and fludioxonil, wherein,
The weight ratio of tioxazafen and fludioxonil is 30:1-1:20.
Further, the weight ratio of tioxazafen and fludioxonil is preferably 10 in the new nematicidal agent composition:
1-1:3。
Further, the weight ratio of tioxazafen and fludioxonil is more preferably 3 in the new nematicidal agent composition:
1-1:1。
Further, the weight ratio of tioxazafen and fludioxonil is more preferably 2 in the new nematicidal agent composition:
1。
Further, the weight percentage of active component is 0.1 ~ 80% in the new nematicidal agent composition, remaining
For the auxiliary agent and carrier commonly used in Pesticide formulation.
Further, new nematicidal agent composition of the invention passes through the conventional preparation method system of those skilled in the art
For into any one preparation, including but not limited to suspending agent, water dispersible granules, microemulsion, dry suspending agent, dispersible oil suspends
Any one in agent, wettable powder, suspension seed-coating agent etc..
Further, the auxiliary agent and carrier are dispersant, wetting agent, emulsifying agent, antifreezing agent, defoamer, thickener, collapsed
At least one in agent, stabilizer, film forming agent, colouring agent, filler, solvent is solved, described solvent is organic solvent, vegetable oil is molten
Agent or water.
Above-mentioned dispersant is lignosulfonates, NNO, nekal, oleic acid methylaminoethyl sodium sulfonate, alkane
One or more in base phenol polyethenoxy ether；
Above-mentioned wetting agent is alkyl phenol formaldehyde resin polyoxyethylene ether, lauryl sodium sulfate, neopelex, polyethers
One or more in modified polyorganosiloxanes, Nekal BX；
Mentioned emulsifier is calcium dodecyl benzene sulfonate, aliphatic acid polyethenoxy ether, APES sulfosuccinic acid
Ester, styrylphenol polyoxyethylene ether, NPE, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy ether,
One or more in polyoxyethylene aliphatic alcohol ether；
Above-mentioned antifreezing agent is the one or more in ethylene glycol, propane diols, glycerine, polyethylene glycol, sorbierite；
Above-mentioned defoamer is organosilicon ketone, silicone oil, C10-20One or more in saturated fat acids compound.
Above-mentioned thickener is xanthans, hydroxymethyl cellulose, gelatin, seaweeds, gypsum, hydroxyethyl cellulose, methyl fibre
Tie up the one or more in element, aluminium-magnesium silicate, polyvinyl alcohol；
Above-mentioned colouring agent is at least one in basic fuchsin, acid fuchsin, alkaline purple, rhodamine toner, acid purple；
Aforementioned stable agent is the one or two in sodium citrate, epoxidized soybean oil；
Above-mentioned disintegrant is the one or more in bentonite, urea, ammonium sulfate, aluminium chloride；
Above-mentioned film forming agent is PVA-1788, PEG600, BF308, Arabic gum, xanthans, hydroxypropyl cellulose, hydroxylmethyl cellulose
It is one or more in element, sodium alginate, polyvinylpyrrolidone.
Above-mentioned filler is the one or more in attapulgite starch, precipitated calcium carbonate, white carbon, kaolin.
Further, the nematicidal composition can also include other agricultural active composition, including but not limited to other
The nematicide of species, Insecticides (tech) ＆ Herbicides (tech), bactericide, herbicide, synergist, biostimulant, plant growth regulator.
Further, the nematicidal composition can be applied to soil or plant, for example, be administered to soil before planting
Earth, soil can be also administered to after planting.
Further, nematicidal composition can be applied to soil by the nematicidal composition using drip irrigation system.
Compared with prior art, nematicidal composition of the invention has the beneficial effect that：
1st, compared with prior art, selectivity is stronger, to person poultry safety, to non-target organism for nematicidal composition of the invention
Influence is small, safe and pollution-free to natural ecological environment, meets the requirement of environmental protection.
2nd, active component tioxazafen and fludioxonil component compounding are reasonable in nematicidal composition of the invention, with aobvious
The synergistic function of work, reduces Pesticide use amount, alleviates the pollution to environment.
3rd, using the nematicidal composition of the present invention, Plant nematode is not likely to produce resistance, or to produce the resistance time longer.
Embodiment
In order that the objects, technical solutions and advantages of the present invention are more concise, present invention specific examples below
Illustrate, but the present invention is only limitted to absolutely not these examples.Described once is only the present invention preferably embodiment, is used only for retouching
State the present invention, it is impossible to be interpreted as the limitation to the scope of invention.It should be pointed out that within the spirit and principles of the invention
Any modification, equivalent and the improvement made, are all contained within protection scope of the present invention.Therefore, patent of the present invention
Protection domain should be determined by the appended claims.In these embodiments, unless otherwise indicated, all percentages are weight
Percentage.
First, example of formulations
1st, embodiment one：30%tioxazafen fludioxonil suspending agents（2:1 ）
Tioxazafen 20%
Fludioxonil 10%
AEO 1.5%
Alkylolamides sulfuric acid 1.5%
Maleic acid and acrylic copolymer sodium salt 4%
Aluminium-magnesium silicate 0.5%
Xanthans 0.1%
Propane diols 4%
Defoamer 0.1%
Water polishing is to 100%
The specific procedure of processing of said composition suspending agent is：By in above-mentioned formula by water and wetting agent, dispersant, thickener, anti-
Freeze agent and defoamer mixing, it is well mixed through high speed shear, Tioxazafen, fludioxonil are added, continuation, which is sheared, to be mixed, then
Ground into horizontal sand mill, make preparation particle diameter all in below 5um, it is obtained it is of the present invention containing Tioxazafen,
The suspending agent of fludioxonil.
2nd, embodiment two：80%tioxazafen fludioxonil water dispersants（15:1）
Tioxazafen 75 %
Fludioxonil 5%
Aliphatic alcohol sulfate 3%
SMA copolymer 3%
Lactose 2%
Urea polishing is to 100%
The specific procedure of processing of said composition water dispersible granules is：By above-mentioned formula by Tioxazafen, fludioxonil and dispersant,
Wetting agent, disintegrant and filler are well mixed, are crushed with micro jet, through mediating, subsequently into Squeezinggranulator
Dried in granulation, boiling drier, through sampling analysis after screening, be made of the present invention and cough up bacterium containing Tioxazafen, height
The water dispersible granules of nitrile.
3rd, embodiment three：1.5%tioxazafen fludioxonil microemulsions（1：0.5）
Tioxazafen 1%
Fludioxonil 0.5%
Fatty acid methyl ester 5%
Cyclohexanone 8%
Calcium dodecyl benzene sulfonate 5%
Polyoxyl castor oil 10%
Water polishing is to 100%
The specific procedure of processing of said composition microemulsion is：By above-mentioned formula by Tioxazafen, fludioxonil N- methylpyrroles
After alkanone and cyclohexanone are completely dissolved, add other auxiliary agents and be well mixed, be eventually adding water and be sufficiently stirred for.It can be prepared by the present invention
The described microemulsion containing Tioxazafen and fludioxonil.
4th, example IV：70%tioxazafen fludioxonil dry suspending agents（50:20）
Tioxazafen 50%
Fludioxonil 20%
Sodium tripolyphosphate 3%
Polyoxy silane defoamer 2%
Sodium lignin sulfonate is mended to 100%
The specific procedure of processing of said composition dry suspending agent is：By above-mentioned formula by Tioxazafen and fludioxonil and remaining each group
Divide well mixed, add appropriate water high shear, the suspension carried out subsequently into horizontal sand mill after wet method sand milling, sand milling enters
Enter spray dryer granulation.It can be prepared by the dry suspending agent of the present invention containing Tioxazafen and fludioxonil.
5th, embodiment five：The dispersible oil-suspending agent of 30%tioxazafen fludioxonils（18:12）
Tioxazafen 18%
Fludioxonil 12%
AEO 5%
Polyoxyethylene sorbitan monocarboxylate 8%
Organobentonite 1%
Methyl oleate polishing is to 100%
The specific procedure of processing of the dispersible oil-suspending agent of said composition is：By above-mentioned formula by mineral oil, Tioxazafen, cough up bacterium
Nitrile, dispersant, thickener, emulsifying agent mixing, it is well mixed through high speed shear, ground subsequently into horizontal sand mill, make system
The dispersible oil-suspending agent of the present invention containing Tioxazafen and fludioxonil is made all in below 10um in agent particle diameter.
6th, embodiment six：60%tioxazafen fludioxonil wettable powders（30:30）
Tioxazafen 30%
Fludioxonil 30%
Alkylnaphthalene sulfonate 2%
Sodium lignin sulfonate 5%
White carbon 5%
Kaolin is mended to 100%
The specific procedure of processing of said composition wettable powder is：By above-mentioned formula is by Tioxazafen, fludioxonil and disperses
Agent, wetting agent and filler mixing, the uniform stirring in stirred tank, are well mixed, you can institute of the present invention is made after air-flow crushing
The wettable powder containing Tioxazafen and fludioxonil stated.
7th, comparative example one：30%tioxazafen suspending agents
Tioxazafen 30%
AEO 1.5%
Alkylolamides sulfuric acid 1.5%
Maleic acid and acrylic copolymer sodium salt 4%
Aluminium-magnesium silicate 0.5%
Xanthans 0.1%
Propane diols 4%
Defoamer 0.1%
Water polishing is to 100%
The specific procedure of processing of said composition suspending agent is：By in above-mentioned formula by water and wetting agent, dispersant, thickener, anti-
Freeze agent and defoamer mixing, it is well mixed through high speed shear, Tioxazafen is added, continuation, which is sheared, to be mixed, subsequently into sleeping
Ground in formula sand mill, make preparation particle diameter all in below 5um, 30%Tioxazafen suspending agents are made.
8th, comparative example two：30% fludioxonil suspending agent
Fludioxonil 30%
AEO 1.5%
Alkylolamides sulfuric acid 1.5%
Maleic acid and acrylic copolymer sodium salt 4%
Aluminium-magnesium silicate 0.5%
Xanthans 0.1%
Propane diols 4%
Defoamer 0.1%
Water polishing is to 100%
The specific procedure of processing of said composition suspending agent is：By in above-mentioned formula by water and wetting agent, dispersant, thickener, anti-
Freeze agent and defoamer mixing, it is well mixed through high speed shear, fludioxonil is added, continuation, which is sheared, to be mixed, subsequently into Horizontal sand
Ground in grinding machine, make preparation particle diameter that in below 5um, the suspending agent of 30% fludioxonil all is made.
2nd, indoor bioassay
1st, target is tested：Root-knot nematode
2nd, test method：Banana root system is chosen in banana planting ground, banana root system is placed in the small glass ware being filled with water with dissection
Pin rejects root tissue, and nematode is collected under binocular anatomical lens.Root area and rhizosphere soil is graceful with Bel respectively（Bearman）Funnel
Method separates nematode.Isolated nematode is rinsed well with clear water repeatedly, procreation hatching in sterilized water is placed in standby.Take hatching
The larva gone out（2 instar larvaes）For test, the tioxazafen and fludioxonil of different ratio are tested to root-knot nematode larva（100
Cultivated under the conditions of nematode/mL, relative humidity 80-90%, 23-26 DEG C of temperature, using clear water as control, often processing sets three weights
It is multiple）Virulence.
According to the abundant methods of Sun Yun, according to co-toxicity coefficient（CTC）To evaluate the synergy of pharmacy mix, CTC≤80 are antagonism
Effect, 80 ＜ CTC ＜ 120 are summation action, and CTC >=120 are synergistic function, and result of the test is as shown in table 1：
As shown in Table 1, tioxazafen and fludioxonil mixture weight ratio are 30:1~1:Between 20, have to root-knot nematode obvious
Summation action, co-toxicity coefficient is more than 120；Tioxazafen and fludioxonil mixture are 10:1~1:To root-knot nematode between 3
With obvious synergistic effect, co-toxicity coefficient is more than 130；Tioxazafen and fludioxonil mixture are 3:1~1:It is right between 1
Root-knot nematode has obvious synergistic effect, and co-toxicity coefficient is more than 150.
3rd, field control effectiveness test
1st, field efficacy experiment one：Tioxazafen and fludioxonil compound the prevention effect to banana root-knot nematode
Banana root-knot nematode is handled using the nematicide of the present invention containing tioxazafen and fludioxonil, with the present invention
The composition pesticide of example of formulations is test group, and bacterium is coughed up with the 30%tioxazafen suspending agents of comparative example one and comparative example 2 30%
Nitrile suspending agent is that comparison medicament carries out preventing and treating banana root knot nematode disease field control effectiveness test, is often handled in triplicate, per cell one
Individual repetition, is arranged, plot area 20m using with random district's groups2, it is shallow mixed in broadcasting preplanting treatment dispenser, it is random to sow.Respectively at medicine
15 days afterwards, 30 days investigation root-knot nematode quantity.Investigation method uses diagonal sampling method, and every samples 3 plants, investigates disease index
And the incidence of disease.
The criteria for classification of root-knot nematode harm, is divided into Pyatyi according to many major general's state of an illness of root-knot nematode：
0 grade：Without root knot；
1 grade：Root knot accounts for the 1-25% of full root system；
2 grades：Root knot accounts for the 26-50% of full root system；
3 grades：Root knot accounts for the 51-75% of full root system；
4 grades：Root knot accounts for the 76-100% of full root system.
By formula（1）With（2）Calculate the disease index of banana root-knot nematode：
Result of the test is shown in Table 2：
To banana root-knot nematode after tioxazafen it can be seen from the field control effectiveness test result of table 2 and fludioxonil compounding
Preventing and treating shows preferable prevention effect, and compared with single dose, prevention effect is improved significantly, and the compounding of the present invention kills nematode
The lasting period of agent is also further extended.
Claims (10)
1. a kind of new nematicidal agent composition containing tioxazafen and fludioxonil, it is characterised in that：Active ingredient is included
Tioxazafen and fludioxonil.
2. a kind of new nematicidal agent composition containing tioxazafen and fludioxonil according to claim 1, its feature
It is：The part by weight of tioxazafen and fludioxonil is 30:1~1:20.
3. a kind of new nematicidal agent composition containing tioxazafen and fludioxonil according to claim 1-2, it is special
Levy and be：The weight ratio of the tioxazafen and fludioxonil are 10:1~1:3.
4. a kind of new nematicidal agent composition containing tioxazafen and fludioxonil according to claim 1-3, it is special
Levy and be：The weight ratio of the tioxazafen and fludioxonil are 3:1~1:1.
5. a kind of new nematicidal agent composition containing tioxazafen and fludioxonil according to claim 1-4, it is special
Levy and be：The weight ratio of the tioxazafen and fludioxonil are 2:1.
6. the nematicidal composition according to any one of claim 1-5 claim, it is characterised in that described new to kill
The weight percentage of active component is 0.1 ~ 80% in nematode agent composition, and remaining is auxiliary agent conventional in Pesticide formulation
And carrier.
7. the new nematicidal agent composition according to any one of claim 1-6 claim, it is characterised in that described
Composition can also contain other agricultural active composition, the nematicide of including but not limited to other species, insecticide, weeding
Agent, bactericide, herbicide, synergist, biostimulant, plant growth regulator.
8. the new nematicidal agent composition according to any one of claim 1-7 claim, it is characterised in that described
The formulation of composition includes but is not limited to suspending agent, water dispersible granules, wettable powder, dispersible oil-suspending agent, granule, breast
Any formulation that oil or aqueous emulsion etc. agriculturally allow.
9. the new nematicidal agent composition according to claim 1-8 is used for the purposes for preventing and treating Plant nematode.
10. purposes according to claim 9, it is characterised in that the Plant nematode is root-knot nematode, pratylenchus, born of the same parents
Capsule nematode.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3818829A3 (en) * | 2019-10-16 | 2021-07-21 | Monsanto Technology LLC | Granular nematicide compositions |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104059058A (en) * | 2007-08-13 | 2014-09-24 | 孟山都技术有限责任公司 | Compositions and methods for controlling nematodes |
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2017
- 2017-03-28 CN CN201710193008.8A patent/CN106942241A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104059058A (en) * | 2007-08-13 | 2014-09-24 | 孟山都技术有限责任公司 | Compositions and methods for controlling nematodes |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3818829A3 (en) * | 2019-10-16 | 2021-07-21 | Monsanto Technology LLC | Granular nematicide compositions |
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