CN107897216A - A kind of synergy nematicidal composition for being used to prevent sweep stem nematode - Google Patents
A kind of synergy nematicidal composition for being used to prevent sweep stem nematode Download PDFInfo
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- CN107897216A CN107897216A CN201711197751.7A CN201711197751A CN107897216A CN 107897216 A CN107897216 A CN 107897216A CN 201711197751 A CN201711197751 A CN 201711197751A CN 107897216 A CN107897216 A CN 107897216A
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- Prior art keywords
- fluorine alkene
- nematicidal composition
- line sulfone
- waist arrow
- alkene line
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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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
-
- 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
-
- 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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/12—Asteraceae or Compositae [Aster or Sunflower family], e.g. daisy, pyrethrum, artichoke, lettuce, sunflower, wormwood or tarragon
Abstract
The invention discloses a kind of synergy nematicidal composition for being used to prevent sweep stem nematode, and containing active ingredient fluorine alkene line sulfone and golden waist arrow extract, the quality parts ratio of fluorine alkene line sulfone and golden waist arrow extract is 20:1~1:20, preferential ratio is 10:1~1:10, further preferred ratio is 7:1~1:1, still more preferably ratio is 7:1 and 3:1, the percentage by weight of fluorine alkene line sulfone and golden waist arrow extract quality summation in composition pesticide is 1~70%, remaining is auxiliary agent.There is synergistic effect to the toxicity of potato rot nematode (sweep stem nematode pathogen) after fluorine alkene line sulfone and golden waist arrow extract compounding, suitable for preventing sweep stem nematode.
Description
Technical field
The invention belongs to the synergetic pesticide composition field that botanical pesticide is combined with chemical pesticide, the specific one kind that provides contains
The nematicidal synergistic composition for being used to prevent sweep stem nematode of active component fluorine alkene line sulfone and golden waist arrow extract.
Background technology
Plant nematode species is various, and nematode is small, worm sample the multicellular animals for being adapted to live in water.Line
The quantity survey of the species of worm is 500,000.A pith, that is, nematode for soil animal, live in interconnect by soil
The passage that earth processing is formed is referred to as in the labyrinth in hole.They are moved in the moisture film being attached on soil particle.Phytotrophy
Nematode：It is largely feed root system person, it is possible to find is related with most plants.Some are in root, stem, bud, seed etc.
The entozoa for surviving and feeding in tissue.Other are the epizoas by feed outside plant walls.Single endoparasitism line
Worm can kill plant or reduce its productivity.Entozoic feed root system person includes economically important pest, such as root knot line
Worm (root-knot nematode (Meloidogyne) belong to kind), potato rot nematode (Ditylenchus destructor Thorme),
Reniform nematode (reniform nematode (Rotylenchulus) belongs to kind), cyst nematode (cyst nematode (Heterodera) belongs to kind) and root
Rotten nematode (pratylenchus (Pratylenchus) belong to kind).The nutrition that plant can be greatly reduced and moisture are directly gnawed by nematode
Absorb.When nematode attacks the root of rice shoot at once after germination, nematode has crop production rate the influence of maximum.Nematode gnaws
Food also produces open wound, it provides entrance for various phytopathogenic fungis and bacterium, these microbial infections usually compare line
What worm gnawed directly affects economically more harmful.
Sweep stem nematode pathogen is potato rot nematode (Ditylenchus destructor Thorme), sweet
Potato haulm characters are also known as chaff worry, hollow stem, chaff watchman's clapper, chaff bark etc., are a kind of destructive diseases, mainly cause harm potato wedge, stem
Climing and vaccine, causes vines, root tuber depauperation, short and small or lopsided, serious withered.Sweet potato seedling stage contaminates haulm characters emergence rate
Low, short and small, jaundice, vertical profile basal part of stem, is inside shown in brown gap, does not flow white slurry or seldom after cutting；Later stage catch an illness skin breakage into
Osculum, the brown dry rot shape of marrow, cuts off without white slurry；There is yellowish-brown crackle in vines main stem base portion cripple's epicuticle of catching an illness, after
Gradually into brown, the white dry rot of marrow, serious base is climing short, and leaf turns yellow or main stem is withered.Root catch an illness epidermis gangrene or cracking；
Root tuber is caught an illness because source of infection is different, and 3 kinds of chaff cardioid, bark type and mixed type occurs in symptom.
Fluorine alkene line sulfone (fluazaindolizine), the chloro- N- of 8- [(2- chloro-5-methoxyls phenyl) sulfonyl] -6- (trifluoros
Methyl)-imidazo [1,2-a] pyridine -2- carboxylic acid amides, the non-stifling property nematicide of E.I.Du Pont Company's exploitation, fluorine alkene line sulfone is to big
Soybean cyst nematode Heterodera glycines, root-knot nematode on beans, kidney worm, pratylenchus, root-knot nematode on corn, minute hand nematode, cotton
On kidney worm, root-knot nematode etc. be respectively provided with fabulous bioactivity.
Golden waist arrow (Synedrella nodiflora), also known as eel grass, composite family gold waist arrow category annual herb plant, originates in
In tropical America；Existing widely distributed world torrid areas.China Guangdong, Hainan, Yunnan, Fujian, Guangxi, Hong Kong, Taiwan are extensive
Distribution.Golden waist arrow blade (dry) extract to husky raw root-knot nematode with toxicity (《Biological pesticide and fertilizer》Page 41, Europe is apt to
Raw, Zhang Shenju chief editors Chemical Industry Press publishes).
The single use of pesticide can bring resistance risk, and agriculture chemical compounding is the effective way for solving resistance problem.
Develop new product fungicide is expensive, the cycle is grown, and in contrast, exploitation is efficient, less toxic, low-residual with research
Compounding has with mixture invests that small, the lead time is short and is subject to attention both domestic and external, numerous and confused to increase development dynamics.
Fluorine alkene line sulfone has no report with golden waist arrow extract combination prevention sweep stem nematode.
The content of the invention
The present invention provides a kind of synergy nematicidal composition for being used to prevent sweep stem nematode.
The present invention is achieved through the following technical solutions：
A kind of synergy nematicidal composition for being used to prevent sweep stem nematode, contains active ingredient fluorine alkene line sulfone and golden waist
Arrow extract, it is characterised in that：The quality parts ratio of fluorine alkene line sulfone and golden waist arrow extract is 20:1~1:20, preferential ratio is
10:1~1:10, further preferred ratio is 7:1~1:1, still more preferably ratio is 7:1~3:1.
The synergy nematicidal composition for being used to prevent sweep stem nematode, contains active ingredient fluorine alkene line sulfone and gold
Waist arrow extract, it is characterised in that：The gross mass number of fluorine alkene line sulfone and golden waist arrow extract in the nematicidal composition
Percentage composition is 1~70%, remaining is auxiliary agent；Preferable fluorine alkene line sulfone and golden waist arrow extract are in the nematicidal composition
Gross mass number percentage composition be 10~60%, remaining is auxiliary agent.
The synergy nematicidal composition for being used to prevent sweep stem nematode, contains auxiliary agent, it is characterised in that：It
Formulation is one kind in suspending agent, granule.
The granule, its preparation method are as follows：Fluorine alkene line sulfone 1~30%, golden waist arrow extract 1~30%, hard charcoal
Black 5%~10, diatomite 10~25%, surplus is precipitated calcium carbonate.Above-mentioned formula is carried out in proportion to crush → put into stirring
Stirred evenly in device → granulation disc in plus water granulation → drying box drying process → cooling → sieving → packaging the fluorine alkene is made
Line sulfone gold waist arrow extract particles agent.
The aqueous suspension agent formulation weight percent forms：Fluorine alkene line sulfone 0.1~40%, golden waist arrow extract 0.1
~20%, dispersant 0.1~15%, wetting agent 0.1~15%, thickener 0.1~1%, antifreezing agent 0.1~7%, deionized water
Carrier complements to 100%；Specifically production stage is：Active ingredient and other auxiliary agents are mixed, disperseed through high speed shear, sand mill
After middle sand milling, high dispersive, the suspension system of stabilization are formed in water-medium, the aqueous suspension of corresponding weight percentage is made
Agent.
The gold waist arrow extract is golden waist arrow blade methanolic extract.
The present composition is suitable for prevention sweep stem nematode, can be used for preventing caused by other pathogenic nematodes and makees
Thing or fungi nematodiasis.
The present composition mixed with the one or more in other pesticides can also be prevented with improving its prevention effect or expanding
Object is controlled, they can be following pesticide：
Acetylcholinesteraseinhibitors inhibitors, such as carbamates, for example, alanycarb (alanycarb), Aldicarb
(aldicarb), sulfone goes out prestige (aldoxycarb), allyxycarb (allyxycarb), aminocarb (aminocarb), ficams
(bendiocarb), Benfuracard micro (benfuracarb), metalkamate (bufencarb), butacarb (butacarb), butanone
Prestige (butocarboxim), butanone sulfone prestige (butoxycarboxim), carbaryl (carbaryl), carbofuran
(carbofuran), carbosulfan (carbosulfan), cloethocarb (cloethocarb), dimetilan (dimetilan), second
Sulphur benzene prestige (ethiofencarb), Bassa (fenobucarb), fenothiocarb (fenothiocarb), Carzol
(formetanate), furathiocarb (furathiocarb), Mobucin (isoprocarb), metham-sodium (metam-sodium), first
Sulphur prestige (methiocarb), Methomyl (methomyl), MTMC (metolcarb), oxamyl (oxamyl), Aphox
(pirimicarb), Carbamult (promecarb), arprocarb (propoxur), thiodicarb (thiodicarb), thiofanox
(thiofanox), Landrin (trimethacarb), XMC and toxicity prestige (xylylcarb)；Or organophosphorus compounds, example
Such as orthene (acephate), azamethiphos (azamethiphos), azinphos-methyl (azinphos-methyl), ethyl
Azinphos-methyl (azinphos-ethyl), Rilariol (bromophos-ethyl), bromobenzene alkene phosphorus (bromfenvinfos (-
Methyl)), special Pyrimitate (butathiofos), cadusafos (cadusafos), carbophenothion (carbophenothion), chlorine oxygen
Phosphorus (chlorethoxyfos), chlorfenviphos (chlorfenvinphos), chlormephos (chlormephos), methyl/ethyl poison
Dead tick (chlorpyrifos (- methyl/-ethyl)), Resistox (coumaphos), Surecide (cyanofenphos), kill
Snout moth's larva nitrile (cyanophos), chlorfenviphos (chlorfenvinphos), demeton-methyl (demeton-S-methyl), dioxydemeton-s-methyl
(demeton-S-methylsulfone), torak (dialifos), basudin (diazinon), dichlofenthion
(dichlofenthion), Carbicron (dicrotophos), Rogor (dimethoate), dimethylvinphos
(dimethylvinphos), salithion (dioxabenzofos), disulfoton (disulfoton), phenothiazide (EPN), Ethodan
(ethion), phonamiphos (ethoprophos), oxygen Diothyl (etrimfos), famphur (famphur), fenamiphos
(fenamiphos), fenifrothion (fenitrothion), fensulfothion (fensulfothion), Entex (fenthion),
Flupyrazofos, Dyfonate (fonofos), peace fruit (formothion), fosmethilan (fosmethilan), thiazolone phosphorus
(fosthiazate), heptenophos (heptenophos), iodfenphos (iodofenphos), different rice blast net (iprobenfos), chlorine
Azoles phosphorus (isazofos), isofenphos (isofenphos), O- isopropyl salicylate, oxazolines (isoxathion), malathion
(malathion), Afos (mecarbam), methacrifos (methacrifos), acephatemet (methamidophos), methidathion
(methidathion), Menite (mevinphos), Azodrin (monocrotophos), 2-dichloroethylk dimethyl phosphate (naled), flolimat
(omethoate), oxydemeton_methyl (oxydemeton-methyl), methyl/ethyl parathion (parathion (- methyl/-
Ethyl)), phenthoate dimephenthoate cidial (phenthoate), Phosalone (phosalone), phosmet (phosmet), phosphamidon
(phosphamidon), the third phosphorus of second prestige (phosphocarb), phoxim (phoxim), Actellic/pirimiphos ethyl
(pirimiphos (- methyl/-ethyl)), Profenofos (profenofos), Kayaphos (propaphos), propetamphos
(propetamphos), Toyodan (prothiofos), Fac (prothoate), pyraclofos (pyraclofos), pyridazine sulphur
Phosphorus (pyridaphenthion), pyridathion, quinalphoses (quinalphos), cadusafos (sebufos), sulfotep
(sulfotep), second Toyodan (sulprofos), butyl pyrimidine phosphorus (te bu pi rimf os), Swebate (teme
Phos), terbufos (te r buf os), Ravap (tetrachlorvinphos), thiometon (thiometon),
Hostathion (triazophos), metrifonate (triclorfon), vamidothion (vamidothion) and imicyafos.
The controlled chloride channel antagonists of GABA, such as organochlorine class, such as toxaphene (camphechlor), Niran
(chlordane), 5a,6,9,9a-hexahydro-6,9-methano-2,4 (endosulfan), lindane (gamma-HCH), six six six (HCH), heptachlor (heptachlor), woods
Red (lindane) and methoxychlor (methoxychlor)；Or Phenylpyrazole (fiprole) class, such as acetoprole, second
Worm nitrile (ethiprole), ethiprole (fipronil), pyrazine ethiprole (pyrafluprole), pyriprole and
vaniliprole。
Sodium channel modulators/potential dependent (voltage-dependent) sodium channel blockers (blocker), such as
Pyrethroid, such as acrinathrin (acrinathrin), allethrin (d- is cis- anti-, and d- is anti-) (allethrin (d-
Cis-trans, d-trans)), β-cyfloxylate (beta-cyfluthrin), Biphenthrin (bifenthrin), biological alkene
Third chrysanthemum ester (bioallethrin), bioallethrin-S- cyclopenta isomers, bioethanomethrin, biopermethrin
(biopermethrin), bioresmethrin (bioresmethrin), chlovaporthrin, alphamethrin (cis-
Cypermethrin), cis resmethrin (cis-resmethrin), cis Permethrin (cis-permethrin),
Clocythrin, cycloprothrin (cycloprothrin), cyfloxylate (cyfluthrin), lambda-cyhalothrin
(cyhalothrin), cypermethrin (α-, β-, θ-, ζ -) (cypermethrin (alpha-, beta-, theta-, zeta-)),
Cyphenothrin (cyphenothrin), decis (deltamethrin), Prallethrin ((1R)-isomers)
(empenthrin ((1R)-isomer)), S- fenvalerates (esfenvalerate), ethofenprox (etofenprox), phenyl-pentafluoride
Chrysanthemum ester (fenfluthrin), Fenpropathrin (fenpropathrin), fenpyrithrin, fenvalerate (fenvalerate),
Flubrocythrinate, flucythrinate (flucythrinate), the third benzyl oxide of fluorine (flufenprox), flumethrin
(flumethrin), taufluvalinate (fluvalinate), fubfenprox, gamma-cyhalothrin (gamma-
Cyhalothrin), miaow alkynes chrysanthemum ester (imiprothrin), kadethrin (kadethrin), λ-lambda-cyhalothrin (lambda-
Cyhalothrin), metofluthrin (metofluthrin), Permethrin (cis/trans) (permethrin (cis-rans)),
Phenothrin ((1R)-transisomer) (phenothrin (1R-trans-isomer)), prallethrin
(prallethrin), the third Flumethrin (profluthrin), protrifenbute, anti-Chryson (pyresmethrin), benzyl furan
Chrysanthemum ester (resmethrin), kadethrin (RU15525), silafluofene (silafluofen), τ-taufluvalinate (tau-
Fluvalinate), Tefluthrin (tefluthrin), terallethrin (terallethrin), tetramethrin ((1R)-isomery
Body) (tetramethrin (1R)-isomer), tralomethrin (tralomethrin), transfluthrin
(transfluthrin), brofluthrinate (ZXI8901), pyrethrin (pyrethrin (pyrethrum)), eflusilanat；
DDT；Or methoxychlor (methoxychlor).
Acetyl choline receptor agonists/antagonist, such as chlorine nicotine base class (chloronicotinyls), for example, pyridine worm
Amidine (acetamiprid), clothianidin (clothianidin), dinotefuran (dinotefuran), imidacloprid
(imidacloprid), imidaclothiz, Nitenpyram (nitenpyram), Nithiazine (nithiazine), thiacloprid
(thiacloprid), Diacloden (thiamethoxam), AKD-1022；Or nicotine (nicotine), bensultap
(bensultap), cartap (cartap), dimehypo (thiosultap-sodium) and thiocyclam (thiocylam).
Allosteric type acetylcholine receptor modulators (activator), such as multiple killing teichomycin class (spinosyns), such as more sterilizations
Plain (spinosad) and spinetoram.
Chloride channel activators, for example, mectins/ macrolideses, such as avermectin (abamectin), Emma
Rhzomorph (emamectin), emaricin benzoate (emamectinbenzoate), Olivomitecidin (ivermectin),
Lepimectin and Mir's bud rhzomorph (milbemycin)；Or juvenile hormone mimics (juvenile
), such as hydroprene (hydroprene), kinoprene (kinoprene), methoprene hormoneanalogues
(methoprene), young ether (epofenonane), sulphur olefin(e) acid ester (triprene), fenoxycarb (fenoxycarb), Nylar are protected
(pyriproxyfen) and luxuriant ether (diofenolan) is disliked.
The unknown or non-specific active component of the mechanism of action, such as gas generating agent, such as bromomethane, chloropicrin
(chloropicrin) and vikane (sulfuryl fluoride)；Selective antifeedant, such as ice crystal (cryolite),
Pymetrozine (pymetrozine), pyrifluquinazon, flonicamide；Or mite growth inhibitor, such as clofentezine
(clofentezine) Hexythiazox (hexythiazox), etoxazole (etoxazole).
Oxidative phosphorylation inhibitors class, ATP agent interferings, such as diafenthiuron (diafenthiuron)；Organo-tin compound,
Such as azacyclotin (azocyclotin), plictran (cyhexatin) and fenbutatin oxide (fenbutatin oxide)；Or propargite
(propargite), tetradiphon (tetradifon).
By being interrupted H- proton gradients the oxidative phosphorylation uncoupler class that works, such as capillary
(chlorfenapyr), binapacryl (binapacyrl), enemy completely logical (dinobuton), dinocap (dinocap) and elgetol
(DNOC)。
Insect gut membrane micro agent interfering, such as bacillus thuringiensis (Bacillus thuringiensis) bacterium
Strain.Benzoylurea derivertives class, such as benzoyl area kind, such as bistrifluron (bistrifluron), chlorfluazuron
(chlofluazuron), diflubenzuron (diflubenzuron), fluorine fluazuron (fluazuron), flucycloxuron
(flucycloxuron), flufenoxuron (flufenoxuron), flubenzuron (hexaflumuron), lufenuron (lufenuron),
Novaluron (novaluron), noviflumuron (noviflumuron), penfluron (penfluron).
Husking interferon, such as cyromazine (cyromazine).
Ecdysone agonist/agent interfering class, such as diacyl hydrazine, such as ring tebufenozide (chromafenozide),
Chlorine tebufenozide (halofenozide), methoxyfenozide (methoxyfenozide), tebufenozide (tebufenozide) and furans
Tebufenozide (fufenozide, JS118)；Or nimbin (azadirachtin).
Octopaminergic agonist class, such as Amitraz (amitraz).
Site III electron transfer inhibitors class/site II electron transfer inhibitors classes, such as amdro
(hydramethylnone), acequinocyl (acequinocyl), fluacrypyrim (fluacrypyrim)；Or cyflumetofen
(cyflumetofen) and cyenopyrafen.
Electron transfer inhibitors class, such as site I electron transfer inhibitors classes, METI acaricides, for example, fenazaquin
(fenazaquin), fenpyroximate (fenpyroximate), pyrimidifen (pyrimidifen), pyridaben (pyridaben), pyrrole mite
Amine (tebufenpyrad), Tolfenpyrad (tolfenpyrad) and rotenone (rotenone)；Or potential dependent
(voltage-dependent) sodium channel blockers, such as indoxacarb (indoxacarb) and metaflumizone
(metaflumizone)。
Fatty acid biological synthetic inhibitor, such as tetronic acid (tetronic acid) derivative, such as Envidor
(spirodiclofen) and Spiromesifen (spiromesifen)；Or tetramic acid (tetramic acid) derivative, example
Such as spiral shell worm ethyl ester (spirotetramat).
The unknown neuron inhibitor of the mechanism of action, such as Bifenazate (bifenazate).
Ryanodine (ryanodine) receptor stimulating agent, such as diamides, such as Flubendiamide (flubendiamide),
(R), the chloro- N1- of (S) -3- { 2- methyl -4- [1,2,2,2- tetra- fluoro- 1- (trifluoromethyl) ethyl] phenyl }-N 2- (1- methyl -2-
Methysulfonylethyl) phthalic amide, Rynaxypyr (chlorantraniliprole (Rynaxypyr)) or bromine
Cyanogen insect amide (Cyantraniliprole (Cyazypyr)).
The unknown active component of other mechanisms of action, such as amidoflumet, benclothiaz, benzoximate, bromine
Mite ester (bromopropylate), Buprofezin (buprofezin), quinomethionate (chinomethionat), Spanon
(chlorodimeform), chlorfenizon (chlorobenzilate), clothiazoben, cycloprene, dicofol
(dicofol), dicyclanil, fenoxacrim, fluorine nitre diphenylamines (fentrifanil), thiazole mite (flubenzimine),
Flufenerim, flutenzin, gossyplure (gossyplure), japonilure, metoxadiazone (metoxadiazone),
Dormant oils (petroleum), potassium oleate, pyridalyl (pyridalyl), sulfluramid (sulfluramid), Diphenylsulfide
(tetrasul), benzene match mite (triarathene) or verbutin.
Compared with prior art, the present invention has the advantages that：
1, fluorine alkene line sulfone is with golden waist arrow extract compounding to potato rot nematode (Ditylenchus destructor
Thorme toxicity) has synergistic function；
2, two kinds of active ingredient compound synergics, reduce Pesticide use amount, reduce cost and the pollution to environment.
Embodiment
The preparation of golden waist arrow extract
The golden waist arrow blade of initial bloom stage is gathered, dries, crush, the methanol that dry powder adds 5 times or so soaks 5 days, 40 mesh sieves
Golden waist arrow blade methanolic extract is made in filtering, be concentrated under reduced pressure into methanol soak volume 1/10th；Reflux recycling
Methanol stores after collecting.
Assays Example
Take sweep stem nematode disease potato, tap water is gently rinsed well, with dissecting needle gently picking it is susceptible on milky
Egg capsule, is put into the small culture dish of diameter 6cm, adds a small amount of sterile water, hatches 3-4d in 25 DEG C of insulating boxs, collects 2 ages children
Worm, and add sterile water be configured to a certain concentration (500/ml or so) suspension it is spare.
5 concentration gradient processing of setting, using sterile water as blank control.96 porocyte culture plates are taken, adds and prepares per hole
Various concentrations medicament 150nl, add isometric nematode suspension, moisturizing culture under the conditions of 25 DEG C, is being handled respectively
Rear different time checks the amount of survival and The dead quantity of 2 instar of nematode, nematode in it is stiff it is motionless be dead worm, nematode is in bending
Wriggling state is worm living.Calculate the death rate and corrected mortality.
According to survey data, the corrected mortality of each processing is calculated.And use the abundant methods of Sun Yun with reference to NY/T1154.1-2006
Calculate the co-toxicity coefficient (CTC values) of mixture.If compareing death rate ＜ 5%, do not correct；The death rate is compareed between 5%-20%,
It is corrected；Death rate ＞ 20% is compareed, experiment need to reform.Using drug concentration (mg/L) to numerical value as independent variable x, with correction
The probit value of the death rate is dependent variable y, establishes virulence regression equation respectively, calculates single dose using DPS softwares and each proportioning is mixed
The LC of agent50、LC90, 95% confidence limit and its mixture co-toxicity coefficient, compare synergy situation.Killed according to NY/T11547.7-2006
The worm agent synergy criteria for classifying：Co-toxicity coefficient (CTC values) >=120 shows as synergistic effect；Co-toxicity coefficient (CTC values)≤120
Show as antagonism；80 ＜ co-toxicity coefficients (CTC values) ＜ 80 shows as summation action.
1 different ratio fluorine alkene line sulfone of table is with golden waist arrow blade methanolic extract to potato rot nematode (Ditylenchus
Destructor Thorme) synergy measure.
The data result that table 1 is recorded shows that fluorine alkene line sulfone is with golden waist arrow blade methanolic extract mass fraction ratio 10:
1~1:There is collaboration to increase potato rot nematode (Ditylenchus destructor Thorme) toxicity between 10
Effect acts on, and co-toxicity coefficient is more than 120；Fluorine alkene line sulfone is with golden waist arrow blade methanolic extract mass fraction ratio 7:1~3:1 it
Between there is synergistic function to potato rot nematode (Ditylenchus destructor Thorme) toxicity, altogether
Malicious coefficient is more than 200；And fluorine alkene line sulfone and golden waist arrow blade methanolic extract mass fraction ratio are 20:1~15:1 and 1:20
There is no synergistic effect to the toxicity of potato rot nematode (Ditylenchus destructor Thorme), altogether poison system
Number is less than 120.
Example of formulations
32% fluorine alkene line sulfone gold waist arrow blade methanolic extract suspending agent.
Fluorine alkene line sulfone 28%, golden waist arrow blade methanolic extract 4%, EO-PO block polymers 8%, fatty alcohol polyoxy second
Alkene ether 5%, sodium lignin sulfonate 5%, Arabic gum 0.1%, glycerine 5%, deionized water supplies 100%；Will be above-mentioned effective
Component, wetting agent, dispersant, antifreezing agent, thickener and defoamer disperse through high speed shear, are sanded in sand mill, are situated between in water system
High dispersive, the suspension system of stabilization formed in matter, you can 32% fluorine alkene line sulfone gold waist arrow blade methanolic extract water is made
Suspending agent.
8% fluorine alkene line sulfone gold waist arrow blade methanolic extract granule.
Following material is weight percentage：Fluorine alkene line sulfone 7%, golden waist arrow blade methanolic extract 1%, rice chaff 3%, silicon
Diatomaceous earth 18%, surplus are precipitated calcium carbonate.Above-mentioned formula is carried out in proportion crush → put into blender and stir evenly → and made
In grain disk plus 8% fluorine alkene line sulfone gold waist arrow blade first is made in water granulation → drying box drying process → cooling → sieving → packaging
Alcohol extracting thing granule.
Application Example fluorine alkene line sulfone gold waist arrow blade methanolic extract composition for preventing and controlling sweep stem nematode
32% fluorine alkene line sulfone gold waist arrow blade methanolic extract suspending agent and 8% fluorine alkene line obtained by 2 example of formulations of table
Sulfone gold waist arrow extract particles agent prevention sweep stem nematode experiment.
Table 2 is the result shows that 32% fluorine alkene line sulfone gold waist arrow blade methanolic extract suspending agent, 8% fluorine alkene line sulfone gold waist
20 grams/acre of arrow blade methanolic extract granule effective ingredient consumption has preferable prevention effect to sweep stem nematode.
Claims (10)
- A kind of 1. synergy nematicidal composition for being used to prevent sweep stem nematode, it is characterised in that：Contain active ingredient fluorine alkene The quality parts ratio of line sulfone and golden waist arrow extract, fluorine alkene line sulfone and golden waist arrow extract is 20:1~1:20.
- 2. nematicidal composition according to claim 1, it is characterised in that：The quality of fluorine alkene line sulfone and golden waist arrow extract Number ratio is 10:1~1:10.
- 3. nematicidal composition according to claim 1, it is characterised in that：The quality of fluorine alkene line sulfone and golden waist arrow extract Number ratio is 7:1~1:1.
- 4. nematicidal composition according to claim 1, it is characterised in that：The quality of fluorine alkene line sulfone and golden waist arrow extract Number ratio is 7:1.
- 5. nematicidal composition according to claim 1, it is characterised in that：The quality of fluorine alkene line sulfone and golden waist arrow extract Number ratio is 3:1.
- 6. nematicidal composition according to claim 1, it is characterised in that：Fluorine alkene line sulfone and golden waist arrow extract are described Gross mass number percentage composition in nematicidal composition is 1~70%, remaining is auxiliary agent.
- 7. nematicidal composition according to claim 5, it is characterised in that：Fluorine alkene line sulfone and golden waist arrow extract are described Gross mass number percentage composition in nematicidal composition is 10~60%, remaining is auxiliary agent.
- 8. nematicidal composition according to claim 5, it is characterised in that：Its formulation is in suspending agent, granule It is a kind of.
- 9. the nematicidal composition described in claim 8, it is characterised in that its process for producing granula is as follows：Fluorine alkene line sulfone 7%, Golden waist arrow extract 1%, rice chaff 3%, diatomite 18%, surplus is precipitated calcium carbonate；Above-mentioned formula is crushed in proportion → input blender in stir evenly → granulation disc in plus water granulation → drying box drying process → cooling → sieving → packaging system Obtain 8% fluorine alkene line sulfone gold waist arrow extract particles agent.
- 10. application of the nematicidal composition in prevention sweep stem nematode described in claim 1~7 any one.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109197880A (en) * | 2018-09-01 | 2019-01-15 | 长沙理工大学 | A kind of composition pesticide containing trifluoro miaow pyridine amide and thiodicarb |
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| CN1359379A (en) * | 1999-07-06 | 2002-07-17 | 日本拜耳农药株式会社 | Nematicidal trifluorobutenes |
| CN104855392A (en) * | 2015-02-04 | 2015-08-26 | 东莞市瑞德丰生物科技有限公司 | Nematode killing composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109197880A (en) * | 2018-09-01 | 2019-01-15 | 长沙理工大学 | A kind of composition pesticide containing trifluoro miaow pyridine amide and thiodicarb |
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Application publication date: 20180413 |