CN106942280A - Nematicidal composition containing tioxazafen and Paecilomyces lilacinus - Google Patents
Nematicidal composition containing tioxazafen and Paecilomyces lilacinus Download PDFInfo
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- CN106942280A CN106942280A CN201710178903.2A CN201710178903A CN106942280A CN 106942280 A CN106942280 A CN 106942280A CN 201710178903 A CN201710178903 A CN 201710178903A CN 106942280 A CN106942280 A CN 106942280A
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- Prior art keywords
- tioxazafen
- paecilomyces lilacinus
- nematicidal composition
- root
- active component
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- 239000000203 mixture Substances 0.000 title claims abstract description 36
- 241001465752 Purpureocillium lilacinum Species 0.000 title claims abstract description 33
- IHNSIFFSNUQGQN-UHFFFAOYSA-N tioxazafen Chemical compound C1=CSC(C=2ON=C(N=2)C=2C=CC=CC=2)=C1 IHNSIFFSNUQGQN-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 230000001069 nematicidal effect Effects 0.000 title claims abstract description 24
- 241000243785 Meloidogyne javanica Species 0.000 claims abstract description 15
- 241000244206 Nematoda Species 0.000 claims abstract description 13
- 241000894006 Bacteria Species 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 239000008187 granular material Substances 0.000 abstract description 8
- 230000002265 prevention Effects 0.000 abstract description 6
- 201000010099 disease Diseases 0.000 abstract description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 4
- 239000000375 suspending agent Substances 0.000 abstract description 4
- 239000004480 active ingredient Substances 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 abstract description 2
- 239000000839 emulsion Substances 0.000 abstract description 2
- 239000003094 microcapsule Substances 0.000 abstract description 2
- 239000000725 suspension Substances 0.000 abstract description 2
- 230000001717 pathogenic effect Effects 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 241000196324 Embryophyta Species 0.000 description 6
- 238000013329 compounding Methods 0.000 description 6
- 239000005645 nematicide Substances 0.000 description 6
- 239000002689 soil Substances 0.000 description 6
- 235000021552 granulated sugar Nutrition 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 230000002195 synergetic effect Effects 0.000 description 5
- 235000013311 vegetables Nutrition 0.000 description 5
- 239000005995 Aluminium silicate Substances 0.000 description 4
- 240000008067 Cucumis sativus Species 0.000 description 4
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 description 4
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 description 4
- 235000012211 aluminium silicate Nutrition 0.000 description 4
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 4
- 239000011812 mixed powder Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 241000233866 Fungi Species 0.000 description 3
- 241000243786 Meloidogyne incognita Species 0.000 description 3
- 241001236817 Paecilomyces <Clavicipitaceae> Species 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000001404 mediated effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
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- 238000003756 stirring Methods 0.000 description 3
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- 239000004562 water dispersible granule Substances 0.000 description 3
- 239000004563 wettable powder Substances 0.000 description 3
- 102000012286 Chitinases Human genes 0.000 description 2
- 108010022172 Chitinases Proteins 0.000 description 2
- 229920002261 Corn starch Polymers 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 2
- 235000010489 acacia gum Nutrition 0.000 description 2
- 239000001785 acacia senegal l. willd gum Substances 0.000 description 2
- 239000003905 agrochemical Substances 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 235000005822 corn Nutrition 0.000 description 2
- 239000008120 corn starch Substances 0.000 description 2
- 229940099112 cornstarch Drugs 0.000 description 2
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- 238000009472 formulation Methods 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 239000004009 herbicide Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
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- 230000003449 preventive effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000020985 whole grains Nutrition 0.000 description 2
- 229920001285 xanthan gum Polymers 0.000 description 2
- 235000017060 Arachis glabrata Nutrition 0.000 description 1
- 244000105624 Arachis hypogaea Species 0.000 description 1
- 235000010777 Arachis hypogaea Nutrition 0.000 description 1
- 235000018262 Arachis monticola Nutrition 0.000 description 1
- 208000035143 Bacterial infection Diseases 0.000 description 1
- 235000010149 Brassica rapa subsp chinensis Nutrition 0.000 description 1
- 235000000536 Brassica rapa subsp pekinensis Nutrition 0.000 description 1
- 241000499436 Brassica rapa subsp. pekinensis Species 0.000 description 1
- 241000244203 Caenorhabditis elegans Species 0.000 description 1
- 229920002101 Chitin Polymers 0.000 description 1
- 241000219112 Cucumis Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- 206010011732 Cyst Diseases 0.000 description 1
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 239000005959 Fosthiazate Substances 0.000 description 1
- 241001442497 Globodera rostochiensis Species 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 244000299452 Gouania lupuloides Species 0.000 description 1
- 235000000292 Gouania lupuloides Nutrition 0.000 description 1
- 240000008415 Lactuca sativa Species 0.000 description 1
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- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 1
- 241000243784 Meloidogyne arenaria Species 0.000 description 1
- 208000000291 Nematode infections Diseases 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
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- 244000088415 Raphanus sativus Species 0.000 description 1
- 235000006140 Raphanus sativus var sativus Nutrition 0.000 description 1
- 240000003768 Solanum lycopersicum Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 244000098338 Triticum aestivum Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003042 antagnostic effect Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 208000022362 bacterial infectious disease Diseases 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 208000031513 cyst Diseases 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- DUFVKSUJRWYZQP-UHFFFAOYSA-N fosthiazate Chemical compound CCC(C)SP(=O)(OCC)N1CCSC1=O DUFVKSUJRWYZQP-UHFFFAOYSA-N 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 230000002363 herbicidal effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 210000004681 ovum Anatomy 0.000 description 1
- 150000004866 oxadiazoles Chemical class 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 230000024241 parasitism Effects 0.000 description 1
- 235000020232 peanut Nutrition 0.000 description 1
- 239000003090 pesticide formulation Substances 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 239000005648 plant growth regulator Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Zoology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Plant Pathology (AREA)
- Microbiology (AREA)
- Dentistry (AREA)
- Wood Science & Technology (AREA)
- Environmental Sciences (AREA)
- Biotechnology (AREA)
- Mycology (AREA)
- Virology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a kind of using tioxazafen and Paecilomyces lilacinus as the nematicidal composition of principle active component, the proportioning of active component is 100 in the nematicidal composition:1‑1:6, obvious synergy is shown between active component in said ratio, active ingredient usage amount can be reduced, prevention effect is improved.The nematicidal composition of the present invention can be widely used in preventing and treating crop root knot nematode disease caused by a variety of pathogenic nematodes with any one in missible oil, granule, aqueous emulsion, suspending agent, microcapsule suspending agent, suspension seed-coating agent etc..
Description
Technical field
The invention belongs to composition pesticide field, and in particular to be that one kind includes tioxazafen and Paecilomyces lilacinus
Nematicidal composition and its application.
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 spherical or conical white root nodule differed in size is formed on fibrous root, what is had is in beads shape.Killed strain overground part growth is short and small, slow
Slowly, leaf color is abnormal, as a result few, yields poorly, or even cause plant to do sth. in advance death.Being currently known the nematode of danger to vegetables mainly has height
Bend 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.
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, not
Come, nematicide tioxazafen is expected to substitute nematicidal products of the nematicides such as fosthiazate as main flow.
Paecilomyces lilacinus, is effective bacterial parasite of Meloidogyne incognita and white cyst roundworm ovum, to Meloidogyne incognita
Percentage of egg parasitism be up to 60-70%.There is prevention effect to a variety of nematodes, be the preventing and treating most promising biological prevention and control agent of root-knot nematode.
By this bacterium commercialization, this fungi preparation is sold with BIOCON in Philippine Asia technique center.At home, Hua Yuanfeng agricultures are biological
Science and Technology Ltd. releases 100g/ bottles of bottled preparations with a 10000000000/gram spore preparation living, has listed.Paecilomyces lilacinus secondary generation
Thank to the physiological function of thing：Root system of plant, which applies bacterium, can not only substantially suppress nematode infection, and can promote the life of vegetable nutritorium
It is long, while the sprouting and growth to seed also have facilitation；Abundant chitinase can be produced, chitinase has to chitin
Degradation, it can promote the hatching of line eggs, improve parasitic rate of the paecilomycerol to nematode；Difficultly-soluble phosphates can be promoted
Dissolving, laboratory research is confirmed：The solubilizing effect of Paecilomyces varioti reaches 30%, and nematodes Antagonistic Fungi reaches 20-40%.Study simultaneously
It is also shown that Paecilomyces varioti can also promote many chemical polymerization things（Such as agricultural chemicals, leather-making waste water）Decomposition, this prove Paecilomyces lilacinus
With certain environmental protection effect.
The biological control of plant nematode diseases has boundless market prospects in soil, for a long time by plant
The biological control research of parasitic nematode, which obtains some, has the bacterial strain of certain biological control, but in actual applications, due to life
The preventing efficiency of thing preventing and treating is extremely limited, thus the composition that some can compound that requires study, when especially compounding together
Composition with synergistic function seemed and be extremely necessary.
In this context, present inventor determines and field control effectiveness test screening by substantial amounts of toxicity, hair
There is certain synergistic function after now compounding both tioxazafen and Paecilomyces lilacinus, complete after further research
The present invention.In addition, at present it is not yet found that closing the relevant report for compounding tioxazafen and Paecilomyces lilacinus.
The content of the invention
Preferably prevent in view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of preventing and treating to root-knot nematode and have
The Synergistic composition of effect is controlled, the composition active component mainly includes Paecilomyces lilacinus and tioxazafen, wherein,
Paecilomyces lilacinus and tioxazafen weight ratio are 100:1-1：6, wherein, the amount containing viable bacteria of Paecilomyces lilacinus is 1-100 hundred million
CFU/g, preferably 500,000,000 CUF/g.
Further, the weight ratio of the Paecilomyces lilacinus and tioxazafen is 100:1-5：3.
Further, the weight percentage of composition shared by nematicidal composition active component of the invention is 0.5-
80%, preferably 2-50%, more preferably 5-30%, remaining is auxiliary agent and carrier conventional 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.
Another object of the present invention is to provide the purposes of the nematicidal composition, the nematicidal composition is especially fitted
For preventing and treating cucumber, corn, tomato, soybean, peanut, wheat, the root-knot nematode of seeding corn and other crops, SCN and golden nematode
The colonization entozoa of category.
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, active component tioxazafen and Paecilomyces lilacinus 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, both compounding uses, which advantageously reduce agricultural chemicals, to be made
Consumption, improves prevention effect；
2nd, nematicide action site of the invention is different, can delay the drug-fast generation of nematode, be conducive to extending chemical agriculture
The service life of medicine, so as to reduce drug cost；
3rd, nematicidal composition of the invention has the advantages that technique is easy to control, product quality is stable, can continuously produce, be adapted to
In industrialization.
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 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 determined by the appended claims.
First, example of formulations
The present invention example of formulations in, Paecilomyces lilacinus for 500,000,000 live spore/g granules.
1st, embodiment 1：Granule containing Paecilomyces lilacinus and tioxazafen, is constituted as follows：
Tioxazafen 60%
Paecilomyces lilacinus 3%
Cornstarch 6%
White granulated sugar 3%
White carbon 5%
Xanthans 0.6%
Kaolin surplus
The preparation method of the granule is：By it is above-mentioned match somebody with somebody direction mixing kettle in add kaolin, Paecilomyces lilacinus,
Tioxazafen, white granulated sugar, white carbon, cornstarch and xanthans mixing.Enter promoting the circulation of qi into airslide disintegrating mill after well mixed
Stream is crushed.Mixed powder after air-flow crushing is collected into kneader, is mediated after adding the water of mixed powder total amount 13%, is mediated and complete
Enter Squeezinggranulator afterwards to granulate, enter back into fluidized bed dryer drying.Eventually pass pelletizing machine whole grain and be made of the present invention
Contain Paecilomyces lilacinus and Tioxazafen granules.
2nd, embodiment 2：Wettable powder containing Paecilomyces lilacinus and tioxazafen, is constituted as follows：
Tioxazafen 40%
Paecilomyces lilacinus 4%
Lauryl sodium sulfate 3%
Sodium lignin sulfonate 5%
Meteorological white carbon 5%
White granulated sugar 2%
Kaolin surplus
The preparation method of the wettable powder is：By it is above-mentioned match somebody with somebody direction mixing kettle in add kaolin, lauryl sodium sulfate,
Sodium lignin sulfonate, Paecilomyces lilacinus, Tioxazafen, gas-phase silica and white granulated sugar, enter air-flow crushing after stirring
Machine air-flow crushing, makes the powder after its fineness≤45 micron, collection air-flow crushing stir i.e. obtained of the present invention containing light
The wettable powder of purple Paecilomyces varioti and Tioxazafen.
3rd, embodiment 3：Water dispersible granules containing Paecilomyces lilacinus and tioxazafen, are constituted as follows：
Tioxazafen 30%
Paecilomyces lilacinus 3%
Lauryl sodium sulfate 3.5%
Sodium lignin sulfonate 6.5%
Meteorological white carbon 7%
Sodium Hydroxymethyl Stalcs 5%
White granulated sugar 2%
Arabic gum 4%
Bentonite surplus
The preparation method of the water dispersible granules is：By it is above-mentioned match somebody with somebody direction mixing kettle in add bentonite, lauryl sodium sulfate,
Sodium lignin sulfonate, Paecilomyces lilacinus, Tioxazafen, gas-phase silica, Arabic gum, white carbon and sodium carboxymethyl starch,
Enter Pneumatic crushing machine gaseous stream after stirring to crush, make its fineness≤45 micron, the mixed powder after air-flow crushing is collected into
In kneader, mediated after adding the water of mixed powder total amount 10%, Squeezinggranulator is entered after the completion of kneading and is granulated, fluid bed is entered back into
Drier is dried.Eventually pass pelletizing machine whole grain and be made of the present invention containing Paecilomyces lilacinus and Tioxazafen water-dispersible grains
Agent.
4th, comparative example 1:30%dioxazafen water dispersible granules（Preparation method be the same as Example 3）
2nd, Assays Example
Using Paecilomyces lilacinus and tioxazafen processing cucumber root-knot nematodes, including preventing and treating root-knot nematode and two kinds are used alone
Active ingredient is mixed applies preventing and treating root-knot nematode, and line is killed using the Paecilomyces lilacinus and tioxazafen of different ratio of the present invention
Worm composition is used to prevent and treat cucumber root-knot nematode field control effectiveness test, often handles in triplicate, per cell one repetition, using with
Machine goes to rent and arranged, the m of plot area 202.It is shallow mixed in broadcasting preplanting treatment dispenser, it is random to sow.Respectively at 30 days investigation root knots after medicine
Nematode population.Using diagonal sampling method, every samples 3 plants, the record that investigation disease index and incidence of disease root-knot nematode endanger
Standard, raw many major general's state of an illness according to root knot and is 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（1）And formula（2）Calculate the prevention effect of cucumber root-knot nematode：
The value of preventive effect refers to that the percentage for killing nematode is represented, the synergy situation of two kinds of medicaments, experiment are calculated according to colby formula
As a result it is as shown in table 1.
Raw test result shows, 500,000,000 work spore/g Paecilomyces lilacinus granules are compounded into rear defence with 30%tioxazafen
Root-knot nematode effect is controlled preferably, after both compound, 100:1-1:Certain synergistic function is shown in the range of 6.
Wherein, when both compound proportions are 100:When 1, the consumption of chemical pesticide can be reduced to 0.05Kg preparations, while preventive effect reaches
To more than 90%, show that the composition of the present invention can reduce chemical pesticide usage amount after compounding, improve prevention effect.
Claims (6)
1. a kind of nematicidal composition, it is characterised in that active component includes Paecilomyces lilacinus and tioxazafen.
2. nematicidal composition according to claim 1, it is characterised in that the Paecilomyces lilacinus and tioxazafen
Weight ratio is 100:1-1:6.
3. nematicidal composition according to claim 1 or 2, it is characterised in that the Paecilomyces lilacinus and
Tioxazafen weight is 100 than being most preferably:1.
4. nematicidal composition according to claim 2, it is characterised in that the viable bacteria amount of the Paecilomyces lilacinus is 1-
10000000000 CFU/g.
5. the nematicidal composition according to any one of claim 1-3 claim, it is characterised in that described to kill nematode
Composition can also include other agricultural active composition.
6. the nematicidal composition according to claim 1-6 is used for the purposes for preventing and treating crops root-knot nematodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710178903.2A CN106942280A (en) | 2017-03-23 | 2017-03-23 | Nematicidal composition containing tioxazafen and Paecilomyces lilacinus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108294050A (en) * | 2018-03-16 | 2018-07-20 | 佛山市普尔玛农化有限公司 | Including Paecilomyces lilacinus kills line composition |
| EP3818829A3 (en) * | 2019-10-16 | 2021-07-21 | Monsanto Technology LLC | Granular nematicide compositions |
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| 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 |
| CN102422844A (en) * | 2011-09-27 | 2012-04-25 | 德强生物股份有限公司 | Nematode control composition containing paecilomyces lilacinus |
| CN106035386A (en) * | 2016-08-01 | 2016-10-26 | 佛山市盈辉作物科学有限公司 | Nematicidal composition containing paecilomyces lilacinus and fosthiazate |
| 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 |
| CN106508969A (en) * | 2016-11-07 | 2017-03-22 | 佛山市盈辉作物科学有限公司 | Fluazaindolizine-Paecilomyces lilacinus-containing nematicide composition |
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| 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 |
| CN102422844A (en) * | 2011-09-27 | 2012-04-25 | 德强生物股份有限公司 | Nematode control composition containing paecilomyces lilacinus |
| CN106035386A (en) * | 2016-08-01 | 2016-10-26 | 佛山市盈辉作物科学有限公司 | Nematicidal composition containing paecilomyces lilacinus and fosthiazate |
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| CN106508969A (en) * | 2016-11-07 | 2017-03-22 | 佛山市盈辉作物科学有限公司 | Fluazaindolizine-Paecilomyces lilacinus-containing nematicide composition |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108294050A (en) * | 2018-03-16 | 2018-07-20 | 佛山市普尔玛农化有限公司 | Including Paecilomyces lilacinus kills line composition |
| EP3818829A3 (en) * | 2019-10-16 | 2021-07-21 | Monsanto Technology LLC | Granular nematicide compositions |
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