CN106538606A - A kind of nematicidal composition of fluorine-containing thiophene worm sulfone and Paecilomyces lilacinus - Google Patents
A kind of nematicidal composition of fluorine-containing thiophene worm sulfone and Paecilomyces lilacinus Download PDFInfo
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- CN106538606A CN106538606A CN201610897939.1A CN201610897939A CN106538606A CN 106538606 A CN106538606 A CN 106538606A CN 201610897939 A CN201610897939 A CN 201610897939A CN 106538606 A CN106538606 A CN 106538606A
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- thiophene worm
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- paecilomyces lilacinus
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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
- A01N63/00—Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
- A01N63/30—Microbial fungi; Substances produced thereby or obtained therefrom
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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
- A01N43/74—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 one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
- A01N43/78—1,3-Thiazoles; Hydrogenated 1,3-thiazoles
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Abstract
The present invention relates to a kind of composition pesticide of spore/gram Paecilomyces lilacinus of living comprising fluorine thiophene worm sulfone and 500,000,000, the composition pesticide active component includes fluorine thiophene worm sulfone and 500,000,000 work spore/gram Paecilomyces lilacinus, wherein, fluorine thiophene worm sulfone and the 500000000 weight ratios for living spore/gram Paecilomyces lilacinus are 1:30‑30:1, preferably 1:15‑15:1.Mutually act synergistically between the two kinds of active components of the composition of the present invention, prevention effect can be improved from each other, reduce Pesticide use amount, and it is environmentally safe, it is worthy of popularization.
Description
Technical field
The invention belongs to agricultural chemicals kills nematode technical field, and in particular to be a kind of containing fluorine thiophene worm sulfone and Paecilomyces lilacinus
Nematicidal composition.
Background technology
The root of the various vegetables of root-knot nematode main harm, shows as lateral root and fibrous root more normally increases, and in young root
The white root nodule that spherical or cone differs in size is formed on fibrous root, have in beads shape.Killed strain overground part growth is short and small, slow
Slowly, leaf color exception, it is as a result few, yield poorly, or even cause plant to do sth. in advance death.The nematode for being currently known danger to vegetables mainly has height
Bow root-knot nematode, peanut root-knot nematode, M hapla and Meloidogyne incognita.Nematode host range is extensive, melon of often causing harm
The various vegetables such as class, solanaceous vegetables, beans and radish, lettuce, Chinese cabbage, moreover it is possible to propagate some fungies and bacterial disease.
Fluorine thiophene worm sulfone（Fluensulfone, No. CAS：318290-98-1, chemical name：Chloro- 1,3-thiazoles -2- the bases of 5- -
3,4,4- tri- fluoro- 3- butene-1s-base sulfones）It is that the fluoroolefins developed by Makhteshim Chemical Works companies is killed
Nematode agent.By various physiological actions, polypide is acted on, control polypide activity benumbs nematode movement, and exposure terminated after 1 hour
Feed, nematode occurs on a large scale for control, hinders and reduce egg hatch, and larva cannot survive, and reduces egg counts, by contact
Nematode, and the activity of nonvolatile control line worm are killed directly.Mainly to solanaceous vegetable, cucurbitaceae vegetable, romaine lettuce and other leaf vegetables
Nematode there is good killing action, to crop safety.
Paecilomyces lilacinus (Paecilomyces lilacinus Samson) belongs to endoparasitism fungi, and this bacterium is extensively divided
It is distributed in all over the world, there is effect height, Ji Zhuguang, easily cultivate, especially effect is tall and erect in terms of control plant pathogeny line insect
Write, such as to Meloidogyne incognita, cyst roundworm, white ball cyst roundworm, puncture nematode, golden nematode, golden nematode and treasure
Pearl nematode has stronger parasitic ability, can infect the ovum of nematode, and then reaches the purpose of desinsection, and the disease fungus has pathogenic
By force, the term of validity is longer.
The mixture of different pesticide species, is the agriculture disease-resistant, worm of preventing and treating, the common methods of crop smothering.Screened by formulation of pesticide, screening
Go out rational formula, actual prevention effect can be effectively improved, reduce dosage, reduces cost delays the generation of disease drug resistance,
It is disease, worm, the important means of the crop smothering comprehensive regulation.Present inventor is by spores of living to fluorine thiophene worm sulfone and 500,000,000/gram pale purple
The further investigation of Paecilomyces varioti recipe determination, finds for fluorine thiophene worm sulfone and 500,000,000 work spore/gram Paecilomyces lilacinus to carry out mixture, one
There is in the range of fixed mixed ratio obvious synergistic effect to nematode, can effectively preventing crops nematode, line eggs, reduce
Dosage, meets the demand of " agricultural chemicals zero growth rate ".After further research, complete the present invention.At present, there is no with regard to fluorine thiophene worm
The relevant report of sulfone and 500,000,000 work spores/gram Paecilomyces lilacinus compounding.
The content of the invention
It is an object of the invention to provide a kind of agricultural chemicals that can prevent and treat crops root-knot nematodes and seedling stage diseases and pests simultaneously
Composition.
To reach above-mentioned purpose, the present invention is adopted the following technical scheme that：A kind of composition pesticide, it is characterised in that activity
Composition includes fluorine thiophene worm sulfone and Paecilomyces lilacinus, wherein, the weight ratio of fluorine thiophene worm sulfone and Paecilomyces lilacinus is 1:30-30:1, it is light
Purple Paecilomyces varioti amount containing viable bacteria be 1-100 hundred million live spore/gram.
Further, the weight ratio of the fluorine thiophene worm sulfone and Paecilomyces lilacinus is 1:15-15：1, Paecilomyces lilacinus containing work
Bacterium amount be 500,000,000 live spores/gram.
The formulations of pesticide that described nematicidal composition of the present invention can be prepared are missible oil, suspending agent, wettable powder, water
Agent, water dispersible granules, aqueous emulsion, microemulsion, granule, microcapsule formulations.Wherein active ingredient fluorine thiophene worm sulfone and Paecilomyces lilacinus
Preparation accounts for the 1%～80% of the whole quality of the pharmaceutical preparations, wherein when accounting for 3%～60%, toxicity and residual reach preferably balance, cost
It is relatively low.Further, the composition pesticide also include other agricultural active compositions, for example insecticide, bactericide, herbicide,
Fertilizer, safener.
Further, the insecticide-applying way of composition pesticide of the invention using spreading fertilizer over the fields, ditch spread, spread manuer in holes, rush what is applied, spray etc.
One kind, frequency of administration and amount of application change with weather conditions and nematode situation of the harm and change, and can pass through to apply appropriate agent
Amount reaches prevents and treats purpose.
Further, composition pesticide of the invention is applied to preventing and treating root-knot nematode and promotes the function of plant growth.
Compared with prior art, the beneficial effects of the present invention is：
（1）The nematicidal composition of the present invention, serves synergistic function each other, reduces agriculture to the preventing and treating of nematode
The usage amount of medicine, increased prevention effect, be conducive to saving drug cost and the pollution to environment；
（2）The nematicidal composition of the present invention has the advantages that technique is easy to control, product quality is stable, continuously can produce, and fits
Together in industrialization.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, present invention specific examples below
Illustrate, but the present invention is limited to absolutely not these examples.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 restriction to the scope of the claims of the present invention.It should be pointed out that it is all the present 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 defined by claims.
First, example of formulations
1st, embodiment 1：500000000 work 2% fluorine thiophene worm sulfone granules of spore/gram Paecilomyces lilacinus（1:5）
Fluorine thiophene worm sulfone 2%
500000000 work spore/gram Paecilomyces lilacinus 5%
Cornstarch 6%
Dichloromethane 3%
White granulated sugar 3%
White carbon 5%
Kaolin polishing is to 100%
The concrete procedure of processing of said composition granule is：First fluorine thiophene worm sulfone and dichloromethane are mixed by above-mentioned formula, stirred
White carbon mixing, stirring is added to add Paecilomyces lilacinus, white granulated sugar, cornstarch and kaolin mixed after fully adsorbing after mixing dissolving
Close.Air-flow crushing is carried out into airslide disintegrating mill after being well mixed.Powder after air-flow crushing is collected in kneader, is added
Mediate after 10% water, granulate into Squeezinggranulator after the completion of kneading, enter back into fluidized bed dryer drying.Eventually pass whole grain
Machine whole grain is obtained 500,000,000 work, 2% fluorine thiophene worm sulfone granule of spore/gram Paecilomyces lilacinus of the present invention.
2nd, embodiment 2：500000000 work 20% fluorine thiophene worm sulfone suspension emulsions of spore/gram Paecilomyces lilacinus（10:1）
Fluorine thiophene worm sulfone 20%
500000000 work spore/gram Paecilomyces lilacinus 2%
Dimethylbenzene 10.0%
Dichloromethane 5.0%
Polyoxyethylene polyoxypropylene block copolymer 3.0%
Lauryl sodium sulfate 1.0%
Triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether 4.0%
White granulated sugar 2.0%
Aluminium-magnesium silicate 1.0%
Water polishing is to 100%
The concrete procedure of processing of said composition suspension emulsion is：By in above-mentioned formula first by fluorine thiophene worm sulfone, dimethylbenzene and dichloromethane
Mixing, adds the mixing of triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether, as mixed liquor A after stirring after stirring and dissolving
It is stand-by.Water and white granulated sugar are mixed by above-mentioned formula, stirring and dissolving sequentially adds polyoxyethylene polyoxy third under stirring
Alkene block copolymer, lauryl sodium sulfate and aluminium-magnesium silicate, shearing are uniform, add Paecilomyces lilacinus, continue shearing and mix,
Grind subsequently into horizontal sand mill, make material particular diameter all in below 5um, mixed liquid B is obtained stand-by.Under stirring,
Mixed liquor A is slowly added in mixed liquid B, shearing is uniformly obtained 500,000,000 work spore/gram Paecilomyces lilacinus of the present invention
20% fluorine thiophene worm sulfone suspension emulsion.
3rd, embodiment 3：500000000 work 30% fluorine thiophene worm sulfone suspension emulsions of spore/gram Paecilomyces lilacinus（30:1）
Fluorine thiophene worm sulfone 30%
500000000 work spore/gram Paecilomyces lilacinus 1%
Dimethylbenzene 10.0%
Dichloromethane 8.0%
Polyoxyethylene polyoxypropylene block copolymer 3.0%
Lauryl sodium sulfate 1.0%
Triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether 5.0%
White granulated sugar 2.0%
Aluminium-magnesium silicate 1.0%
Water polishing is to 100%
The concrete procedure of processing of said composition suspension emulsion is：By in above-mentioned formula first by fluorine thiophene worm sulfone, dimethylbenzene and dichloromethane
Mixing, adds the mixing of triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether, as mixed liquor A after stirring after stirring and dissolving
It is stand-by.Water and white granulated sugar are mixed by above-mentioned formula, stirring and dissolving sequentially adds polyoxyethylene polyoxy third under stirring
Alkene block copolymer, lauryl sodium sulfate and aluminium-magnesium silicate, shearing are uniform, add Paecilomyces lilacinus, continue shearing and mix,
Grind subsequently into horizontal sand mill, make material particular diameter all in below 5um, mixed liquid B is obtained stand-by.Under stirring,
Mixed liquor A is slowly added in mixed liquid B, shearing is uniformly obtained 500,000,000 work spore/gram Paecilomyces lilacinus of the present invention
30% fluorine thiophene worm sulfone suspension emulsion.
4th, embodiment 4：500000000 work 10% fluorine thiophene worm sulfone suspension emulsions of spore/gram Paecilomyces lilacinus（1:1）
Fluorine thiophene worm sulfone 10%
500000000 work spore/gram Paecilomyces lilacinus 10%
Dimethylbenzene 8.0%
Dichloromethane 3.0%
Polyoxyethylene polyoxypropylene block copolymer 3.0%
Lauryl sodium sulfate 1.0%
Triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether 3.8%
White granulated sugar 2.0%
Aluminium-magnesium silicate 1.0%
Water polishing is to 100%
The concrete procedure of processing of said composition suspension emulsion is：By in above-mentioned formula first by fluorine thiophene worm sulfone, dimethylbenzene and dichloromethane
Mixing, adds the mixing of triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether, as mixed liquor A after stirring after stirring and dissolving
It is stand-by.Water and white granulated sugar are mixed by above-mentioned formula, stirring and dissolving sequentially adds polyoxyethylene polyoxy third under stirring
Alkene block copolymer, lauryl sodium sulfate and aluminium-magnesium silicate, shearing are uniform, add Paecilomyces lilacinus, continue shearing and mix,
Grind subsequently into horizontal sand mill, make material particular diameter all in below 5um, mixed liquid B is obtained stand-by.Under stirring,
Mixed liquor A is slowly added in mixed liquid B, shearing is uniformly obtained 500,000,000 work spore/gram Paecilomyces lilacinus of the present invention
10% fluorine thiophene worm sulfone suspension emulsion.
5th, comparative example 1：20% fluorine thiophene worm sulfone microemulsion, without 500,000,000 work spore/gram Paecilomyces lilacinus
When the present composition is 20% fluorine thiophene worm sulfone microemulsion, each component content is：
Fluorine thiophene worm sulfone 20.0%
Cyclohexanone 10.0%
Ethyl acetate 10.0%
Dibutyl hydroxy toluene 1.0%
Calcium dodecyl benzene sulfonate 3.0%
Triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether 5.0%
Styrylphenol polyoxyethylene ether 10.0%
Isopropanol 3.0%
Water polishing is to 100%
The concrete procedure of processing of said composition microemulsion is：By in above-mentioned formula first by fluorine thiophene worm sulfone, dibutyl hydroxy toluene, ring
Hexanone and ethyl acetate mixing, stirring and dissolving.Triphenyl vinyl phenol polyoxyethylene polyoxy third is sequentially added under stirring
Alkene ether, calcium dodecyl benzene sulfonate and styrylphenol polyoxyethylene ether, add isopropyl alcohol and water after stirring, stirring
20% fluorine thiophene worm sulfone microemulsion of the present invention is obtained uniformly.
6th, comparative example 2：500000000 work spore/gram Paecilomyces lilacinus granules, not fluorine-containing thiophene worm sulfone
The work spore of Paecilomyces lilacinus 500,000,000/gram
Cornstarch 6%
Dichloromethane 3%
White granulated sugar 3%
White carbon 5%
Kaolin polishing is to 100%
The concrete procedure of processing of said composition granule is：First white carbon and dichloromethane are mixed by above-mentioned formula, stirring
The mixing of Paecilomyces lilacinus, white granulated sugar, cornstarch and kaolin is added after fully adsorbing.Airslide disintegrating mill is entered after being well mixed
Carry out air-flow crushing.Powder after air-flow crushing is collected in kneader, is mediated after adding 10% water, entered after the completion of kneading and squeeze
Pressure granulator granulation, enters back into fluidized bed dryer drying.Eventually pass pelletizing machine whole grain and 500,000,000 work spore of the present invention is obtained
Son/gram Paecilomyces lilacinus granule.
2nd, Assays Example
Test name：Fluorine thiophene worm sulfone and 500,000,000 work spore/gram Paecilomyces lilacinus mixtures are tested to the indoor biometricses of cucumber root-knot nematode
Test method：The cucumber root for producing a large amount of root knots is taken, running water is gently rinsed well, with dissecting needle gently picking old complaint
On milky egg capsule, be put in the little culture dish of diameter 6cm, add a small amount of sterilized water, hatch 3-4d in 25 DEG C of insulating boxs,
2 instar larvaes are collected, and adds sterilized water to be configured to finite concentration（500/milliliter or so）Suspension it is standby.
Arrange variable concentrations gradient to process, with sterilized water as blank, take 96 porocyte culture plates, add per hole and prepare
Variable concentrations medicament 150mL, add isopyknic nematode suspension, moisturizing culture under the conditions of 25 DEG C, respectively process
Different time afterwards checks the amount of survival and The dead quantity of 2 instar of cucumber root-knot nematode, and nematode is in stiff motionless for dead worm, line
Fill in bending wriggling state for worm living.Calculate the death rate and corrected mortality.
According to survey data, the corrected mortality of each process is calculated.And the abundant methods of Sun Yun are adopted with reference to NY/T1154.1-2006
Calculate the co-toxicity coefficient of mixture（CTC values）.If control death rate ＜ 5%, does not correct；The control death rate is carried out between 5-20%
Correction；Control death rate ＞ 20%, test need to be reformed.With drug concentration（mg/L）Logarithm value be independent variable x, to correct death
The niqueMin of rate is dependent variable y, sets up virulence regression equation respectively, calculates single dose and each proportioning mixture using DPS softwares
EC50, 95% confidence limit and mixture co-toxicity coefficient, compare synergy situation.Act on according to NY/T11547.7-2006 insecticide combinations
The criteria for classifying：Co-toxicity coefficient（CTC values）>=120 show as synergistic effect；Co-toxicity coefficient（CTC values）≤ 80 is antagonism；80
＜ co-toxicity coefficients（CTC values）＜ 120 is summation action.Fluorine thiophene worm sulfone and 500,000,000 lives spore/gram Paecilomyces lilacinus to cucumber root knot
The synergy of nematode, as a result as shown in table 1.
As can be seen from Table 1, fluorine thiophene worm sulfone and 500,000,000 work spore/gram Paecilomyces lilacinus 1:30-30:To cucumber root in the range of 1
The preventing and treating of tie lines worm shows synergistic function, wherein, when both proportionings are 1:15-15:In the range of 1, to cucumber root knot
, more than 200, synergistic function is more notable for the preventing and treating co-toxicity coefficient of nematodiasis.
3rd, field control effectiveness test
In order to preferably verify the field practical application effect of composition pesticide of the present invention, using the agriculture of embodiment of the present invention 1-6
Drug composition carries out preventing and treating Cucumber root-knot nematode disease field control effectiveness test, often processes in triplicate, per one repetition of cell, adopts
Go at random to rent arrangement, 20 m of plot area2.It is shallow mixed in preplanting treatment dispenser is broadcast, it is random to sow.Adjust within 20,40 days after medicine
Look into root-knot nematode quantity.Using diagonal sampling method, per samples 3 plants, and investigation disease index and incidence of disease root-knot nematode endanger
Recording criteria, raw many major general's state of an illness according to root knot and are divided into Pyatyi：
0 grade without root knot；
1 grade of root knot accounts for the 1-25% of full root system；
2 grades of root knots account for the 26-50% of full root system；
3 grades of root knots account for the 51-75% of full root system
4 grades of root knots account for the 76-100% of full root system
According to formula（5）And formula（6）Calculate the prevention effect of cucumber root-knot nematode：
Table of field test results is bright, and the composition of fluorine thiophene worm sulfone and 500,000,000 work spore/gram Paecilomyces lilacinus is to cucumber root-knot nematode
Preventing and treating show preferable lasting effect and quick-acting, the composition pesticide of example of formulations 1-4 is equal in active ingredient dosage
For 1.5 Kg/ mus when, preventive effect be above fluorine thiophene worm sulfone single dose and 500,000,000 live spore/gram Paecilomyces lilacinus single doses, illustrate the present invention
Composition pesticide can prevent and treat crops nematode well, reduce dosage, reduces cost delays the drug-fast generation of nematode,
Reduce the pollution to environment.To sum up, composition pesticide of the invention is worth the popularization and application in production.
Claims (6)
1. a kind of composition pesticide, it is characterised in that active component includes fluorine thiophene worm sulfone and Paecilomyces lilacinus, wherein pale purple intend blue or green
Mould amount containing viable bacteria be 1-100 hundred million live spore/gram.
2. composition pesticide according to claim 1, it is characterised in that the fluorine thiophene worm sulfone and 500,000,000 is lived spores/gram light
The weight ratio of purple Paecilomyces varioti is 1:30-30:1.
3. composition pesticide according to claim 2, it is characterised in that the fluorine thiophene worm sulfone and 500,000,000 is lived spores/gram light
The weight ratio of purple Paecilomyces varioti is 1:15-15:1.
4. the composition pesticide according to any one of claim 1-3 claim, it is characterised in that the pesticide combination
Thing also includes other agricultural active compositions, such as insecticide, bactericide, herbicide, fertilizer, safener.
5. the composition pesticide according to any one of claim 1-3 claim, it is characterised in that the pesticide combination
The auxiliary element that thing is aided with Pesticide formulation is prepared into any one formulation for agriculturally allowing.
6. the purposes of the composition pesticide according to any one of claim 1-5 claim, it is characterised in that for preventing
Except root-knot nematode.
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| CN105007741A (en) * | 2012-12-03 | 2015-10-28 | 拜耳作物科学股份公司 | Composition comprising a biological control agent and a fungicide |
| CN105025721A (en) * | 2012-12-03 | 2015-11-04 | 拜耳作物科学股份公司 | Compositions comprising biological control agents and pesticides |
| CN105901017A (en) * | 2016-05-24 | 2016-08-31 | 江西天人生态股份有限公司 | Agricultural nematicidal composition and application thereof |
| CN106259469A (en) * | 2016-08-18 | 2017-01-04 | 田文华 | A kind of fluorine-containing thiophene worm sulfone and the nematicidal composition of Paecilomyces lilacinus |
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2016
- 2016-10-15 CN CN201610897939.1A patent/CN106538606A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102077846A (en) * | 2011-01-21 | 2011-06-01 | 佛山市盈辉作物科学有限公司 | Nematoid-killing composition containing abamectin and paecilomyces lilacinus |
| CN102405939A (en) * | 2011-09-27 | 2012-04-11 | 德强生物股份有限公司 | Nematicidal composition containing paecilomyces lilacinus and carbosulfan |
| WO2014086756A1 (en) * | 2012-12-03 | 2014-06-12 | Bayer Cropscience Ag | Composition comprising a biological control agent and an insecticide |
| CN105007741A (en) * | 2012-12-03 | 2015-10-28 | 拜耳作物科学股份公司 | Composition comprising a biological control agent and a fungicide |
| CN105025721A (en) * | 2012-12-03 | 2015-11-04 | 拜耳作物科学股份公司 | Compositions comprising biological control agents and pesticides |
| CN105901017A (en) * | 2016-05-24 | 2016-08-31 | 江西天人生态股份有限公司 | Agricultural nematicidal composition and application thereof |
| CN106259469A (en) * | 2016-08-18 | 2017-01-04 | 田文华 | A kind of fluorine-containing thiophene worm sulfone and the nematicidal composition of Paecilomyces lilacinus |
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Application publication date: 20170329 |