CN107873740A - A kind of synergy nematicidal composition for being used to prevent and treat mushroom nematodiasis - Google Patents

Abstract

The invention discloses a kind of synergy nematicidal composition for being used to prevent and treat mushroom nematodiasis, and containing active component trifluoro miaow pyridine acid amides and golden waist arrow extract, the quality parts ratio of trifluoro miaow pyridine acid amides and golden waist arrow extract is 30:1~1:20, preferential ratio is 20:1~1:10, further preferred ratio is 15:1~1:1, still more preferably ratio is 9:1~6:1, the percentage by weight of trifluoro miaow pyridine acid amides and golden waist arrow extract quality summation in composition pesticide is 1~70%, and remaining is auxiliary agent.There is synergistic effect to food fungi bacteria Ditylenchus dipsaci and compost aphelenchoides toxicity after trifluoro miaow pyridine acid amides and golden waist arrow extract compounding, suitable for preventing and treating mushroom nematodiasis.

Description

A kind of synergy nematicidal composition for being used to prevent and treat mushroom nematodiasis

Technical field

The invention belongs to the synergetic pesticide composition field that botanical pesticide combines with chemical pesticide, the specific one kind that provides contains Active composition trifluoro miaow pyridine acid amides and golden waist arrow extract be used to prevent and treat mushroom nematodiasis kill nematode synergistic composition.

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 for soil animal is nematode, 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 ratio.Entozoic feed root system person includes economically important insect, such as root knot line Worm (root-knot nematode (Meloidogyne) category kind), compost aphelenchoides (Aphelenchoides composticola.), food are true Bacterium Ditylenchus dipsaci (Ditylenchus myceliophagus), reniform nematode (reniform nematode (Rotylenchulus) category kind), born of the same parents Capsule nematode (SCN (Heterodera) category kind) and pratylenchus (pratylenchus (Pratylenchus) category kind).By line Worm directly gnaws the nutrition that plant can be greatly reduced and the absorption of moisture.Attack the root of rice shoot at once after nematode is in germination When, nematode has the influence of maximum to crop production rate.Nematode, which gnaws, also produces open wound, and it is various phytopathogenic fungis Entrance is provided with bacterium, these microbial infections are generally economically more harmful than directly affecting of gnawing of nematode.

Mushroom nematodiasis pathogen is nematode, and frequent species has compost aphelenchoides (Aphelenchoides Composticola.) and food fungi bacteria Ditylenchus dipsaci (Ditylenchus myceliophagus), after mushroom is infected, what mycelia became It is sparse, sticky, it is gradually dead, now with glare light electric torch or solar radiation bed of material surface, it is seen that many glittering white very thin Shape thing is not stopping to wave i.e. nematode.As lesion expands, compost blacks, got wet in flakes, gradually sink, and gives out a kind of spy Different bad smell；Lesion not fruiting or only fragmentary mushroom, cause Severe Reduction.

Trifluoro miaow pyridine acid amides (fluazaindolizine), the chloro- N- of 8- [(2- chloro-5-methoxyls phenyl) sulfonyl] -6- (trifluoromethyl)-imidazo [1,2-a] pyridine -2- carboxylic acid amides, the non-stifling property nematicide of E.I.Du Pont Company's exploitation, trifluoro miaow pyridine Acid amides is to the soybean cyst nematode Heterodera glycines on soybean, root-knot nematode, kidney shape nematode, pratylenchus, root-knot nematode, long needlework on corn Worm, kidney shape nematode, root-knot nematode on cotton etc. is respectively provided with fabulous bioactivity.

Golden waist arrow (Synedrella nodiflora), also known as eel grass, composite family gold waist arrow category annual herb plant, originate 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 have to husky raw root-knot nematode toxicity (《Biological pesticide and fertilizer》Page 41, Europe is apt to Raw, Zhang Shenju chief editors Chemical Industry Press publishes).

The single use of agricultural chemicals can bring resistance risk, and agriculture chemical compounding is the effective way for solving resistance problem.

Develop new product bactericide is expensive, the cycle is grown, and by contrast, exploitation is efficient, less toxic, low-residual with research Compounding have with mixture invest small, lead time it is short and by attention both domestic and external, it is numerous and confused to increase development dynamics.

Trifluoro miaow pyridine acid amides has no report with golden waist arrow extract combination preventing and treating mushroom nematodiasis.

The content of the invention

The present invention provides a kind of synergy nematicidal composition for being used to prevent and treat mushroom nematodiasis, and in preventing and treating mushroom nematodiasis On application.

The present invention is achieved through the following technical solutions：

A kind of synergy nematicidal composition for being used to prevent and treat mushroom nematodiasis, contains active component trifluoro miaow pyridine acid amides and gold Waist arrow extract, it is characterised in that：The quality parts ratio of trifluoro miaow pyridine acid amides and golden waist arrow extract is 30:1~1:20, preferentially Ratio is 20:1~1:10, further preferred ratio is 15:1~1:1, still more preferably ratio is 9:1~6:1.

The described synergy nematicidal composition for being used to prevent and treat mushroom nematodiasis, containing active component trifluoro miaow pyridine acid amides and Golden waist arrow extract, it is characterised in that：The total matter of trifluoro miaow pyridine acid amides and golden waist arrow extract in the nematicidal composition It is 1~70% to measure number percentage composition, and remaining is auxiliary agent；Preferable trifluoro miaow pyridine acid amides and golden waist arrow extract kill line described Gross mass number percentage composition in worm composition is 10~60%, and remaining is auxiliary agent.

The described synergy nematicidal composition for being used to prevent and treat mushroom nematodiasis, contains auxiliary agent, it is characterised in that：Its agent Type is one kind in suspending agent, granule.

Described granule, its preparation method are as follows：Trifluoro miaow pyridine acid amides 0.1~30%, golden waist arrow extract 0.1~ 30%, white carbon 5%~10, diatomite 10~25%, surplus is kaolin.Above-mentioned formula is carried out in proportion to crush → put into Stirred in agitator → granulation disc in plus water granulation → drying box drying process → cooling → sieving → packaging be made described Trifluoro miaow pyridine acid amides gold waist arrow extract particles agent.

The aqueous suspension agent formulation weight percent forms：Trifluoro miaow pyridine acid amides 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%, go from Sub- water carrier complements to 100%；Specifically production stage is：Active ingredient and other auxiliary agents are mixed, disperseed through high speed shear, sand After being sanded in grinding machine, high dispersive, stable suspension system are formed in water-medium, the water that corresponding weight percentage is made hangs Floating agent.

The golden waist arrow extract is golden waist arrow blade methanolic extract.

The present composition is applied to preventing and treating mushroom nematodiasis, can be used for preventing and treating crop caused by other pathogenic nematodes Or fungi nematodiasis.

Compared with prior art, the present invention has the advantages that：

1, trifluoro miaow pyridine acid amides is compounded to compost aphelenchoides (Aphelenchoides with golden waist arrow extract Composticola.) and the toxicity of food fungi bacteria Ditylenchus dipsaci (Ditylenchus myceliophagus) has Synergistic Effect；

2, two kinds of active ingredient compound synergics, Pesticide use amount is reduced, reduces cost and the pollution to environment.

Embodiment

The present composition mixed with the one or more in other agricultural chemicals can also be prevented with improving its prevention effect or expanding Object is controlled, they can be following agricultural chemicals：

Acetylcholinesteraseinhibitors inhibitors, such as carbamates, for example, alanycarb (alanycarb), Aldicarb (aldicarb), sulfone goes out prestige (aldoxycarb), allyxycarb (allyxycarb), aminocarb (aminocarb), Evil worm prestige (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), BHC (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 benzyl oxide of fluorine third (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), MTI-446 (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 AVM (abamectin), Emma Rhzomorph (emamectin), emaricin benzoate (emamectinbenzoate), Olivomitecidin (ivermectin), Lepimectin and Mil'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 And vikane (sulfuryl fluoride) (chloropicrin)；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), HEXAFLUMURON (hexaflumuron), lufenuron (lufenuron), Novaluron (novaluron), noviflumuron (noviflumuron), penfluron (penfluron), husking interferon, such as fly eradication Amine (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 And cyenopyrafen (cyflumetofen).

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 And Spiromesifen (spiromesifen) (spirodiclofen)；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.

First, 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；Backflow recovery Methanol stores after collecting.

2nd, Assays Example：

Take and gently rinsed well by the mushroom of nematode infections, running water, with dissecting needle gently picking it is susceptible on milky Egg capsule, it is put into diameter 6cm small culture dish, adds a small amount of sterilized water, hatch 3-4d in 25 DEG C of insulating boxs, collects 2 ages children Worm, and add sterilized water be configured to finite concentration (500/ml or so) suspension it is standby.

5 concentration gradient processing of setting, using sterilized 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, handling respectively Rear different time checks the amount of survival and The dead quantity of the instar of nematode 2, 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 the logarithm value of drug concentration (mg/L) 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.

The different ratio trifluoro miaow pyridine acid amides of table 1 is with golden waist arrow blade methanolic extract to compost aphelenchoides The synergy measure of (Aphelenchoides composticola.).

Table 1 record data result show, trifluoro miaow pyridine acid amides and golden waist arrow blade methanolic extract mass fraction ratio 20:1~1:There is collaboration to compost aphelenchoides (Aphelenchoides composticola.) toxicity between 10 Synergistic effect, co-toxicity coefficient are more than 120；Trifluoro miaow pyridine acid amides and golden waist arrow blade methanolic extract mass fraction ratio are 15:1 ~1:There is Synergistic work to compost aphelenchoides (Aphelenchoides composticola.) toxicity between 5 With co-toxicity coefficient is more than 130；Trifluoro miaow pyridine acid amides and golden waist arrow blade methanolic extract mass fraction ratio are 9:1~6:1 it Between there is synergistic function to compost aphelenchoides (Aphelenchoides composticola.) toxicity, altogether poison system Number is more than 180；And trifluoro miaow pyridine acid amides and golden waist arrow blade methanolic extract mass fraction ratio are 1:20 and 30:To heap when 1 The toxicity of fertile aphelenchoides (Aphelenchoides composticola.) does not have synergistic effect, and co-toxicity coefficient is less than 120。

The different ratio trifluoro miaow pyridine acid amides of table 2 is with golden waist arrow blade methanolic extract to food fungi bacteria Ditylenchus dipsaci The synergy measure of (Ditylenchus myceliophagus).

Table 2 record data result show, trifluoro miaow pyridine acid amides and golden waist arrow blade methanolic extract mass fraction ratio 20:1~1:There is collaboration to increase the toxicity of food fungi bacteria Ditylenchus dipsaci (Ditylenchus myceliophagus) between 10 Effect acts on, and co-toxicity coefficient is more than 120；Trifluoro miaow pyridine acid amides and golden waist arrow blade methanolic extract mass fraction ratio are 15:1~ 1:There is synergistic function to the toxicity of food fungi bacteria Ditylenchus dipsaci (Ditylenchus myceliophagus) between 1, altogether Malicious coefficient is more than 150；Trifluoro miaow pyridine acid amides and golden waist arrow blade methanolic extract mass fraction ratio are 9:1~6:It is right between 1 The toxicity of food fungi bacteria Ditylenchus dipsaci (Ditylenchus myceliophagus) has a synergistic function, and co-toxicity coefficient is big In 180；And trifluoro miaow pyridine acid amides and golden waist arrow blade methanolic extract mass fraction ratio are 1:20 and 30:1 pair of food fungi bacteria stem The toxicity of nematode (Ditylenchus myceliophagus) does not have synergistic effect, and co-toxicity coefficient is less than 120.

3rd, example of formulations：

28% trifluoro miaow pyridine acid amides gold waist arrow blade methanolic extract suspending agent

Trifluoro miaow pyridine acid amides 24%, golden waist arrow blade methanolic extract 4%, EO-PO block polymers 8%, poly alkyl alcohol Oxygen vinethene 5%, sodium lignin sulfonate 5%, Arabic gum 0.1%, glycerine 5%, deionized water supplies 100%；Will be above-mentioned Active ingredient, wetting agent, dispersant, antifreezing agent, thickener and defoamer disperse through high speed shear, are sanded in sand mill, in water It is high dispersive, the stable suspension system formed in medium, you can 28% trifluoro miaow pyridine acid amides gold waist arrow blade methanol is made Extract aqueous suspension agent.

7% trifluoro miaow pyridine acid amides gold waist arrow blade methanolic extract granule

Following material is weight percentage：Trifluoro miaow pyridine acid amides 6%, golden waist arrow blade methanolic extract 1%, white carbon 3%, diatomite 18%, surplus is kaolin.Above-mentioned formula is carried out in proportion crush → put into agitator stir → In granulation disc plus 7% trifluoro miaow pyridine acid amides gold waist arrow is made in water granulation → drying box drying process → cooling → sieving → packaging Blade methanolic extract granule.

4th, Application Example：Trifluoro miaow pyridine acid amides gold waist arrow blade methanolic extract composition for preventing and controlling mushroom nematodiasis.

28% trifluoro miaow pyridine acid amides gold waist arrow blade methanolic extract suspending agent and 7% 3 obtained by the example of formulations of table 3 (granule uniformly spreads fertilizer over the fields and mushroom compost for the experiment of fluorine miaow pyridine acid amides gold waist arrow extract particles agent preventing and treating mushroom nematodiasis In；Suspending agent spraying method is uniformly to be sprayed onto in mushroom compost).

The result of table 3 shows 28% trifluoro miaow pyridine acid amides gold waist arrow blade methanolic extract suspending agent, 7% trifluoro miaow pyridine acyl The mg/kg compost of amine gold waist arrow extract particles agent effective ingredient consumption 60 has preferably preventing and treating to mushroom nematodiasis Effect.

Claims (10)

1. A kind of 1. synergy nematicidal composition for being used to prevent and treat mushroom nematodiasis, it is characterised in that：Contain active component trifluoro miaow The quality parts ratio of pyridine acid amides and golden waist arrow extract, trifluoro miaow pyridine acid amides and golden waist arrow extract is 30:1~1:20.
2. 2. nematicidal composition according to claim 1, it is characterised in that：Trifluoro miaow pyridine acid amides and golden waist arrow extract Mass fraction ratio is 20:1~1:10.
3. 3. nematicidal composition according to claim 1, it is characterised in that：Trifluoro miaow pyridine acid amides and golden waist arrow extract Mass fraction ratio is 15:1~1:1.
4. 4. nematicidal composition according to claim 1, it is characterised in that：Trifluoro miaow pyridine acid amides and golden waist arrow extract Mass fraction ratio is 9:1.
5. 5. nematicidal composition according to claim 1, it is characterised in that：Trifluoro miaow pyridine acid amides and golden waist arrow extract Mass fraction ratio is 6:1.
6. 6. nematicidal composition according to claim 1, it is characterised in that：Trifluoro miaow pyridine acid amides and golden waist arrow extract exist Gross mass number percentage composition in the nematicidal composition is 1~70%, and remaining is auxiliary agent.
7. 7. nematicidal composition according to claim 5, it is characterised in that：Trifluoro miaow pyridine acid amides and golden waist arrow extract exist Gross mass number percentage composition in the nematicidal composition is 10~60%, and remaining is auxiliary agent.
8. 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. 9. the nematicidal composition described in claim 8, it is characterised in that its process for producing granula is as follows：Trifluoro miaow pyridine acid amides 6%, golden waist arrow extract 1%, white carbon 3%, diatomite 18%, surplus is kaolin；Above-mentioned formula is subjected to powder in proportion It is broken → input agitator in stir → granulation disc in plus water granulation → drying box drying process → cooling → sieving → packaging 7% trifluoro miaow pyridine acid amides gold waist arrow extract particles agent is made.
10. 10. application of the nematicidal composition in preventing and treating mushroom nematodiasis described in claim 1~7 any one.