CN106857560A - A kind of new nematicide and its application - Google Patents
A kind of new nematicide and its application Download PDFInfo
- Publication number
- CN106857560A CN106857560A CN201710147317.1A CN201710147317A CN106857560A CN 106857560 A CN106857560 A CN 106857560A CN 201710147317 A CN201710147317 A CN 201710147317A CN 106857560 A CN106857560 A CN 106857560A
- Authority
- CN
- China
- Prior art keywords
- amino
- tioxazafen
- oligosaccharide
- nematicidal composition
- agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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Classifications
-
- 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
-
- 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
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
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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)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a kind of nematicidal composition with tioxazafen and amino-oligosaccharide as principle active component, the proportioning of active component is 1 in the nematicidal composition:30‑10:1, obvious synergy is shown between active component in said ratio, active ingredient usage amount can be reduced, improve prevention effect.Nematicidal composition of the invention can with missible oil, granule, aqueous emulsion, suspending agent, microcapsule suspending agent, suspension seed-coating agent etc. any one, be widely used in preventing and treating the crop root knot nematode disease that various pathogenic nematodes cause.
Description
Technical field
The present invention relates to a kind of new nematicidal composition and its application, including the first active component tioxazafen and
Two active component amino-oligosaccharides, preventing and treating of the nematicidal composition of the invention to various nematodiasises shows Synergistic work
With being particularly suited for preventing and treating the crop root knot nematode disease that causes of Meloidogyne incognita.
Background technology
Plant nematode can infect all parts of plant, and huge economic loss, phytotrophy line are caused to agricultural
Worm can be classified as several major classes according to its feeding habits：Animal migration epizoa, animal migration entozoa and colonization property entozoa.
The main colonization entozoa including root-knot nematode and SCN and Heterodera, can cause long-term invading in root
Dye, extensively, often cause harm Plant nematode host range the various vegetables of melon, solanaceous vegetables, beans and carrot, lettuce, Chinese cabbage etc. 30,
Some fungies and bacterial disease can also be propagated.
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 treatment of soil, in its molecular structure
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, not
Come, nematicide tioxazafen is expected to substitute nematicidal products of the nematicides such as fosthiazate as main flow.
Amino-oligosaccharide is from the chitin in marine organisms shell, by one kind that deacetylated and enzymic degradation is obtained
Oligosaccharide kind novel biopesticide, can prevent and treat various plants fungal disease and virosis, and amino-oligosaccharide exists as biological pesticide
Diseases prevention and disease-resistant aspect have number of mechanisms, except used as activation signal molecule, induction plant is produced outside resistance, is alternatively arranged as
Plant growth regulator, promotes plant cell activation, stimulates plant growth, the double effects for possessing medicine fertilizer.Though amino-oligosaccharide
So agriculturally there is certain application, such as phytopathogen growth inhibitor, the Plant elicitors of crop, seed at
Reason agent etc., but can delay or mitigate symptom, it is impossible to virus is effectively eradicated, and due to its unique mechanism of action, is made in a short time
With effect not as chemicals is showed substantially, it is fast not as also being showed without chemical pesticide, thus always not by peasant with
Means of agricultural production dealer praises highly, so as to limit the promotion and application of amino-oligosaccharide.It is using rational complex composition, in good time medication
Give full play to the key factor of preventive and therapeutic effect.Therefore, how the viroses of plant thoroughly to be eradicated using amino-oligosaccharide, it is ensured that plant
The healthy growth of thing, is urgent problem to improve yield.
On the basis of lot of experiments, nematode killing agent tioxazafen and amino-oligosaccharide are answered in discovery to present inventor
Preventing and treating after matching somebody with somebody to various root-knot nematodes shows certain synergistic function, after further research, biometric indoors
On the basis of fixed, continue through and be prepared into some conventional type of dosage form, study its practical application effect in field, enter
And the present invention is completed, and the relevant report compounded on both is there is no at present.
The content of the invention
The purpose of the present invention is to solve the shortcomings of the prior art, there is provided there is collaboration to increase for a kind of preventing and treating to root-knot nematode
The composition pesticide of effect effect.
Application another object of the present invention is to provide the composition pesticide, the composition pesticide is used for anti-Yellow River harnessing
The colonization of melon, corn, tomato, soybean, peanut, wheat, the root-knot nematode of seeding corn and other crops, SCN and Heterodera
Entozoa.
In order to achieve the above object, the present invention is adopted the following technical scheme that：
A kind of nematicidal composition, its active ingredient mainly includes tioxazafen and amino-oligosaccharide, wherein,
The weight ratio of tioxazafen and amino-oligosaccharide is 30:1-1:10.
Further, in the nematicidal composition tioxazafen and amino-oligosaccharide weight ratio preferably 20:1-
5:1。
Further, in the nematicidal composition tioxazafen and amino-oligosaccharide weight ratio more preferably 10:
3。
Further, the weight percentage of composition shared by active component is 0.05- in the nematicidal composition
50%, preferably 0.5-40%, more preferably 1-30%, remaining is the auxiliary agent and carrier commonly used in Pesticide formulation.
Further, nematicidal composition of the invention is prepared into by the conventional preparation method of those skilled in the art and appointed
Anticipate a kind of preparation, appoint including but not limited in missible oil, granule, aqueous emulsion, suspending agent, microcapsule suspending agent, suspension seed-coating agent etc.
Meaning is a kind of.
Further, the auxiliary agent and carrier are dispersant, wetting agent, emulsifying agent, antifreezing agent, defoamer, thickener, collapse
At least one in solution agent, stabilizer, film forming agent, colouring agent, filler, solvent, described solvent is organic solvent, plant oil soluble
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 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
One or more in dimension 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 be sodium citrate, epoxidized soybean oil in one or two；
Above-mentioned disintegrant is 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
One or more in element, sodium alginate, polyvinylpyrrolidone.
Above-mentioned filler is 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, 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, also can after planting be administered to soil.
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, active component tioxazafen and amino-oligosaccharide component compounding are reasonable in nematicidal composition of the invention, Liang Zhefu
There is synergistic function with the preventing and treating in a specific range to root-knot nematode；
2nd, nematicidal agent composition of the invention can reduce the usage amount of active ingredient, be conducive to reaching the mesh of " effects enhancing and dose reducing "
's；
3rd, nematicidal composition of the invention, to person poultry harmless, is worth the popularization and application in production to crop safety.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, present invention specific examples below
Illustrate, but the present invention is limited to absolutely not these examples.As described below is only the present invention preferably embodiment, is used only for explaining
The present invention, but can not be therefore understands that being the limitation to the scope of the claims of the present invention.It should be pointed out that it is all it is of the invention spirit and
Any modification, equivalent or improvement for being made within principle etc., should be included within the scope of the present invention, therefore,
The protection domain of patent of the present invention should be determined by the appended claims.
First, example of formulations
1st, embodiment 1:6%tioxazafen amino-oligosaccharide granules（1:5）
Tioxazafen 1%
Amino-oligosaccharide 5%
Cornstarch 7%
White granulated sugar 5%
White carbon 5%
Kaolin surplus
The preparation method of the granule is：By above-mentioned formula by tioxazafen, amino-oligosaccharide, white carbon, white granulated sugar, jade
Rice starch and kaolin mix.After well mixed air-flow crushing is carried out into airslide disintegrating mill.Powder after air-flow crushing is collected
To in kneader, mediated after adding 10% water, granulated into Squeezinggranulator after the completion of kneading, enter back into fluidized bed dryer baking
It is dry.Eventually pass pelletizing machine whole grain and granule of the present invention is obtained.
2nd, embodiment 2:33%tioxazafen amino-oligosaccharide suspending agents（1:10）
Tioxazafen 3%
Amino-oligosaccharide 30%
Sodium methylene bis-naphthalene sulfonate 2%
OPEO phosphate 2%
Xanthans 0.2%
Sodium Benzoate 0.2%
Propane diols 2%
Defoamer 0.3%
Deionized water surplus
The preparation method of the suspending agent is：By in above-mentioned formula by water and wetting agent, dispersant, thickener, antifreeze and
Defoamer mixes, well mixed through high speed shear, adds tioxazafen and amino-oligosaccharide, continues shearing and mixes, Ran Houjin
Enter grinding in horizontal sand mill, make preparation particle diameter all in below 5UM, suspending agent of the present invention is obtained.
3rd, embodiment 3:25%tioxazafen amino-oligosaccharides dispersible oil-suspending agent（5:1）
Tioxazafen 20%
Amino-oligosaccharide 4%
Calcium dodecyl benzene sulfonate 10%
Castor oil polyoxyethylene ether 2%
OPEO 3%
Organobentonite 0.5%
White carbon 0.5%
Methyl oleate surplus
It is described dispersible oil-suspending agent preparation method be：Oil and dispersant, thickener, emulsifying agent are mixed by above-mentioned formula,
It is well mixed through high speed shear, tioxazafen and amino-oligosaccharide are added, continue to shear mixing, subsequently into horizontal sand mill
Middle grinding, makes preparation particle diameter all in below 10UM, is obtained of the present invention containing Tioxazafen and amino-oligosaccharide
Dispersible oil-suspending agent.
4th, embodiment 4:16%tioxazafen amino-oligosaccharide water dispersible granules（1:1）
Tioxazafen 8%
Amino-oligosaccharide 8%
Neopelex 2%
The formaldehyde condensation products 6% of methyl naphthalene sulfonic acid sodium
Calcium lignosulfonate 1%
Sodium carboxymethyl starch 2%
Soluble starch surplus
The specific preparation method of the water dispersible granules is：By above-mentioned formula by tioxazafen and amino-oligosaccharide and dispersion
Agent, wetting agent, disintegrant and filler are well mixed, and are crushed with micro jet, through mediating, subsequently into extruder grain
Machine is granulated, and is dried in boiling drier, through sampling analysis after screening, water dispersible granules of the present invention is obtained.
5th, embodiment 5:13%tioxazafen amino-oligosaccharide wettable powders（10：3）
Tioxazafen 10%
Amino-oligosaccharide 3%
Lauryl sodium sulfate 2%
Di-2-ethylhexylphosphine oxide naphthalene sulfonate 3%
Sodium lignin sulfonate 3%
Precipitated calcium carbonate surplus
The preparation method of the wettable powder is：By above-mentioned formula by tioxazafen and amino-oligosaccharide and dispersant,
Wetting agent and filler mix, and the uniform stirring in stirred tank is well mixed after air-flow crushing, you can be obtained of the present invention
Wettable powder.
6th, comparative example 1:10% tioxazafen wettable powders
Tioxazafen 10%
Lauryl sodium sulfate 2%
Di-2-ethylhexylphosphine oxide naphthalene sulfonate 3%
Sodium lignin sulfonate 3%
Precipitated calcium carbonate surplus
The preparation method of the wettable powder is：By above-mentioned formula by Tioxazafen and amino-oligosaccharide and dispersant,
Wetting agent and filler mix, and the uniform stirring in stirred tank is well mixed after air-flow crushing, you can be obtained of the present invention
Wettable powder.
2nd, indoor bioassay
1st, target is tested：Meloidogyne incognita
2nd, test method：The cucumber root of picking artificial infection Meloidogyne incognita, is smashed to pieces with tissue mashing machine, successively with 200 mesh,
300 mesh, the sieving of 500 mesh nematode standard screens, the worm's ovum sieved with the mesh nematode of aseptic water washing 500 are configured to ovum suspension（100
Individual ovum/mL）.Separately put part ovum to hatch in sterilized water, take the larva for hatching for second day（2 instar larvaes）For test, test is not
With the tioxazafen and amino-oligosaccharide of proportioning to nematode larval or ovum suspension（100 nematode/mL, or 100 ovum/mL,
Relative humidity 80-90%, cultivates under the conditions of 23-26 DEG C of temperature, is control with clear water, and often treatment sets three repetitions）Virulence.
According to the abundant methods of Sun Yun, co-toxicity coefficient CTC, the CTC ﹤ 80 after two kinds of medicaments are compounded by a certain percentage is calculated for antagonism is made
With 80≤CTC≤120 are summation action, and CTC ﹥ 120 are synergistic effect, and result of the test is as shown in table 1：
3rd, field control effectiveness test
Cucumber root-knot nematode is processed using the nematicide containing tioxazafen and amino-oligosaccharide of the present invention, with this
The composition pesticide of invention example of formulations is test group, with 0.5% amino-oligosaccharide aqua（It is commercially available）With 10% in comparative example 1
Tioxazafen wettable powders carry out preventing and treating Cucumber root-knot nematode disease field control effectiveness test for comparison medicament, and often treatment repeats three
It is secondary, per one repetition of cell, arranged using with random district's groups, plot area 20m2, it is shallow mixed in preplanting treatment dispenser is broadcast, with machine sowing
Kind.Respectively at 20 days after medicine, 40 days investigation root-knot nematode quantity.Investigation method uses diagonal sampling method, and every samples 3 plants,
Investigation disease index and the incidence of disease.
The criteria for classification of root-knot nematode harm, many major general's state of an illness according to root-knot nematode are divided into Pyatyi：
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 cucumber root-knot nematode：
Result of the test is shown in Table 2：
To cucumber root tie lines after tioxazafen and amino-oligosaccharide compounding being can be seen that by the field control effectiveness test result of table 2
The preventing and treating of worm shows preferable prevention effect, and compared with single dose, prevention effect is improved significantly, and compounding of the invention is killed
The lasting period of nematode agent is also further extended.
Claims (7)
1. a kind of nematicidal composition, it is characterised in that active component includes tioxazafen and amino-oligosaccharide.
2. nematicidal composition according to claim 1, it is characterised in that the tioxazafen and amino-oligosaccharide
Weight ratio is 1:30-10:1.
3. nematicidal composition according to claim 2, it is characterised in that the tioxazafen and amino-oligosaccharide
Weight ratio is 1:20-5:1.
4. the nematicidal composition according to any one of claim 1-3 claim, it is characterised in that described
The weight ratio of tioxazafen and amino-oligosaccharide is 10:3.
5. the nematicidal composition according to any one of claim 1-3 claim, it is characterised in that described to kill nematode
The weight percentage of active component is 0.05-50%, more preferably preferably 0.5-40%, 1-30% in composition.
6. the nematicidal composition according to any one of claim 1-3 claim, it is characterised in that the composition
Other agricultural active composition, the including but not limited to nematicide of other species, Insecticides (tech) ＆ Herbicides (tech), sterilization can also be contained
Agent, synergist, biostimulant, plant growth regulator.
7. the nematicidal composition according to claim 1-6 is used to prevent and treat the purposes of crops root-knot nematodes.
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| CN107183021A (en) * | 2017-06-16 | 2017-09-22 | 深圳诺普信农化股份有限公司 | A kind of microcapsule suspending agent containing biostimulant and its application |
| CN108184867A (en) * | 2018-01-22 | 2018-06-22 | 佛山市盈辉作物科学有限公司 | It is a kind of to kill line composition containing amino-oligosaccharide and 1,3, the 4- oxadiazole thio-ether type compounds containing styryl |
| CN113968759A (en) * | 2021-09-03 | 2022-01-25 | 中诚国联（河南）生物科技有限公司 | Preparation method and application of pesticide-fertilizer granules containing amino-oligosaccharin and lythidathion |
| US12089597B2 (en) | 2018-04-13 | 2024-09-17 | Bayer Aktiengesellschaft | Active ingredient combinations with insecticidal, nematicidal and acaricidal properties |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107183021A (en) * | 2017-06-16 | 2017-09-22 | 深圳诺普信农化股份有限公司 | A kind of microcapsule suspending agent containing biostimulant and its application |
| CN108184867A (en) * | 2018-01-22 | 2018-06-22 | 佛山市盈辉作物科学有限公司 | It is a kind of to kill line composition containing amino-oligosaccharide and 1,3, the 4- oxadiazole thio-ether type compounds containing styryl |
| US12089597B2 (en) | 2018-04-13 | 2024-09-17 | Bayer Aktiengesellschaft | Active ingredient combinations with insecticidal, nematicidal and acaricidal properties |
| CN113968759A (en) * | 2021-09-03 | 2022-01-25 | 中诚国联（河南）生物科技有限公司 | Preparation method and application of pesticide-fertilizer granules containing amino-oligosaccharin and lythidathion |
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Application publication date: 20170620 |