CN109169709A - It is a kind of for preventing and treating the synergistic composition of Cruciferous Vegetable Pests - Google Patents
It is a kind of for preventing and treating the synergistic composition of Cruciferous Vegetable Pests Download PDFInfo
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- CN109169709A CN109169709A CN201811136712.0A CN201811136712A CN109169709A CN 109169709 A CN109169709 A CN 109169709A CN 201811136712 A CN201811136712 A CN 201811136712A CN 109169709 A CN109169709 A CN 109169709A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N63/00—Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
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Abstract
The invention discloses a kind of for preventing and treating the synergistic composition of Cruciferous Vegetable Pests, the active constituent includes Tolfenpyrad and Dipel, wherein weight 1:20~60:1 of Tolfenpyrad and Dipel, weight percent of the weight summation of the two in synergistic composition are 1%~85%.Dosage form of the present invention is wettable powder, suspending agent, granule, water dispersible granules, microcapsule suspending agent, aqueous emulsion, microemulsion microcapsule suspension-suspendinagent agent, the invention further relates to Tolfenpyrads to combine purposes for preventing or controlling Cruciferous Vegetable Pests with Dipel, and the especially phyllotreta striolata in prevention and treatment wild cabbage plutella xylostella and cabbage heart has special efficacy.
Description
Technical field
The present invention relates to a kind of for preventing and treating the synergistic composition of Cruciferous Vegetable Pests, belongs to technical field of pesticide.
Background technique
Cultivated area is big at home, yield is high for brassicaceous vegetable, and due to almost annual plantation in flakes, and it is diligent to change crops, preceding
After make the reasons such as replacement mode is changeable, cause pest species to be increasing, therefore insect prevention controls worm to improving quality of vegetable and increase
The economic benefit of vegetable grower is very crucial, and preventing and treating the most effective means of Cruciferous Vegetable Pests at present is chemical prevention, but same
When also result in that vegetables are contaminated serious, and pest generates the problems such as resistance speed is fast, and resistance level is high.
Tolfenpyrad, English common name: Tolfenpyrad, chemical name: the chloro- 3- ethyl -1- methyl-N- { [4- (4- of 4-
Methylphenoxy) phenyl]-methyl } -1H pyrazoles -5- carboxylic acid amides is novel pyrazole insecticides, toxicity is medium, has work of tagging
With, and have both ovicidal, suppression food, inhibit oviposition effect, insecticidal spectrum is wide, to Lepidoptera (Lepidoptera), coleoptera
(Coleoptera), Diptera (Diptera), Homoptera (Homoptera), Thysanoptera (Thysanoptera), Hymenoptera
(Hymenoptera) pest is effective, especially good to diamondback moth quick-acting, the lasting period is long, equal to the diamondback moth of entire breeding time
Effectively, the diamondback moth for having generated resistance to conventional pesticide has also good effect.
Dipel (Bacillus thuringiensis, abbreviation Bt) is current production rate maximum, using most wide life
Object insecticide can be used for preventing and treating the various pests of coleoptera, Diptera, Hymenoptera, Homoptera, especially Lepidoptera.Su Yunjin
Bacillus insecticide main active is one or several kinds of insecticidal crystal proteins, also known as delta-endotoxin, with it is single-minded, efficiently and
The advantages that safety of human and livestock.Now, people produce Dipel with fermentor on a large scale, by filtering, drying
Pulvis or liquor is made in process, is sprayed on crops, to bollworm, cabbage caterpillar, poison moth, pine moth, corn borer, sorghum snout moth's larva,
100 various pests such as yellow rice borer have different pathogenic and toxic actions.But thuricade-1 occurs in production prevention and treatment
Big, insensitive to high instar larvae, field lasting period affected by environment is short and recombinant strain inhereditary feature is unstable etc. because
Element influences Dipel and further successfully promotes and use, and mixed with efficient, the less toxic chemical pesticide of environmental protection is to solve this
The effective way of problem.
Agriculture chemical compounding or mixture have the features such as expanding insecticidal spectrum, delaying pest resistance and drug resistance, are to solve pest
One of resistance problem more effective method.Therefore, the Pesticidal combination of research and development efficiently, less toxic, environmentally friendly can hold agricultural
Supervention exhibition has positive effect.Present inventors have surprisingly found that Tolfenpyrad and Dipel are administered in combination, have and expect not
The effect arrived has synergistic function to various pests, can delay the generation of pest resistance, especially prevention and treatment diamondback moth and yellow knee
Flea beetle synergistic effect is obvious.Currently, not there is the report of Tolfenpyrad Yu Dipel combined application also.
Summary of the invention
The purpose of the present invention is place in view of the above-mentioned deficiencies, provide that a kind of synergistic effect is obvious, dosage reduces, safety
Property it is good, can delay pest resistance generate it is suitable agriculturally produce and use it is a kind of for preventing and treating the increasing of Cruciferous Vegetable Pests
Imitate composition.The composition active constituent includes Tolfenpyrad and Dipel.
To solve the above-mentioned problems, the present inventor have passed through a large amount of indoor biometrics and field control effectiveness test, find azoles worm
Amide and Dipel combined application by a certain percentage, synergistic function is obvious, can effectively prevent brassicaceous vegetable
On pest such as diamondback moth, cabbage caterpillar, aphid, prodenia litura, beet armyworm, liriomyza bryoniae, three-spotted plusia, tetranychid, yellow knee jump
First, and delay its resistance development.
Therefore, technical problem to be solved by the invention is to provide one kind can effectively prevent Cruciferous Vegetable Pests,
Delay the synergistic composition of its resistance development.
It solves the above problems to realize, the technical scheme adopted by the invention is that:
It is a kind of for preventing and treating the synergistic composition of Cruciferous Vegetable Pests, the weight ratio of Tolfenpyrad and Dipel
For 1:20~60:1.
Preferably, the Tolfenpyrad and the weight ratio of Dipel are 1:15~25:1.
Preferably, the Tolfenpyrad and the weight ratio of Dipel are 1:8~15:1.
Preferably, the Tolfenpyrad and the weight ratio of Dipel are 1:3~6:1.
The weight percent of Tolfenpyrad and the weight summation of Dipel in synergistic composition in the composition
It is 1%~85%.
Preferably, the weight of Tolfenpyrad and the weight summation of Dipel in synergistic composition in the composition
Percentage is 3%~35%.
Preferably, the weight of Tolfenpyrad and the weight summation of Dipel in synergistic composition in the composition
Percentage is 5%~15%.
Dipel is commercially produced product, such as thuringiensis bacillus powder product.Dipel used in the present invention is former
The potency of powder be hundred million gemma of 100-100,000IU/mg or 1-1000/gram.
Synergistic composition provided by the invention further includes agriculturally acceptable auxiliary agent and/or carrier, uses art technology
The present composition is prepared into any one and is suitble to used in agricultural production by Pesticide formulation method known to personnel
Dosage form.
Preferably, the dosage form can be wettable powder, suspending agent, granule, water dispersible granules, microcapsule suspending agent,
Aqueous emulsion, microemulsion microcapsule suspension-suspendinagent agent.The dosage form of preferred embodiment is water dispersible granules, suspending agent, wettable powder.
Preferably, the auxiliary agent and/or carrier are agriculturally acceptable, and the effective component for being beneficial to composition is being store
Deposit and use in the known substance that plays of stable and drug effect, including but not limited to solvent, cosolvent, emulsifier, dispersing agent, profit
Humectant, binder, disintegrating agent, thickener, preservative, defoaming agent, synergist, antifreezing agent, stabilizer, filler.
The solvent is selected from dimethylformamide, dimethyl sulfoxide, disalt base ester, N-Methyl pyrrolidone, N, N- diformazan
One of yl acetamide, deionized water, toluene, dimethylbenzene, trimethylbenzene, durene, methyl naphthalene etc. are a variety of.
The cosolvent is selected from normal propyl alcohol, isopropanol, propylene glycol, glycerine, n-butanol, isooctanol, sec-Butyl Acetate etc.
One of or it is a variety of.
The emulsifier is selected from lauryl sodium sulfate, neopelex, calcium dodecyl benzene sulfonate, styrene
Base phenyl polyoxyethylene ether, agriculture breast 400, agriculture breast 500, agriculture breast 600, Nongru-700, NP series, ethoxy castor oil, polyacrylic acid
One of methyl esters etc. is a variety of.
The dispersing agent is selected from glycerine fatty acid polyoxyethylene ether, alkylnaphthalene sulfonate, sodium lignin sulfonate, sulfomethylated lignin
One of sour calcium, Sodium Polyacrylate, di-2-ethylhexylphosphine oxide naphthalene sulfonate etc. are a variety of.
The wetting agent is selected from lauryl sodium sulfate, calcium dodecyl benzene sulfonate, oleoyl methyl sodium taurocholate, castor-oil plant
One of oily polyoxyethylene ether, fatty alcohol polyoxyethylene ether, alkylsulfonate etc. are a variety of.
The binder be selected from polyvinylpyrrolidone, carboxymethyl cellulose, carboxyethyl cellulose, gelatin, Arabic gum,
One of xanthan gum, soluble starch, polyethylene glycol, methylcellulose etc. are a variety of.
The disintegrating agent is selected from sodium alginate, calcium chloride, sodium chloride, magnesium chloride, aluminium chloride, urea, sodium sulphate, sulfuric acid
One of calcium, sodium bicarbonate, ammonium sulfate etc. are a variety of.
The thickener is selected from sodium carboxymethylcellulose, carboxyethyl cellulose, methylcellulose, xanthan gum, gelatin, poly- second
The kinds such as enol, aluminium-magnesium silicate it is one or more.
The preservative is in formaldehyde, benzoic acid, sodium benzoate, potassium sorbate, Kathon CG Kathon, isothiazolinone etc.
It is one or more.
The defoaming agent is selected from C10-20Saturated fat acids compound, C8-10In fatty alcohols, hexanol, butanol, octanol etc.
It is one or more.
The synergist be selected from dregs of beans, chlorinated aliphatic, Butacide, organosilicon, Octacide 264, alkyl carbonate, azone,
It is one or more in polyether-modified trisiloxanes etc..
The antifreezing agent is selected from one of ethylene glycol, propylene glycol, glycerine, polyethylene glycol, sorbierite etc. or a variety of.
The stabilizer is selected from triphenyl phosphite, N- soybean oleyl trimethylene diamine, dialkyl group succinate sulfonic acid
One of salt, epoxychloropropane, butyl glycidyl ether etc. are a variety of.
The filler is in white carbon black, kaolin, bentonite, precipitated calcium carbonate, gypsum, attapulgite, urea etc.
It is one or more.
Composition of the invention selects method of application according to the difference of target object and use environment, such as spraying, low appearance
Amount is sprayed, dusts, ground dusting, spreading fertilizer over the fields, any one in root application etc..
The amount of application of the composition, according to the mixing ratio of effective component, meteorological condition, dosage form, Dressing date,
Method of administration, application place, the difference of controlling object etc. and it is different.
The composition not only include can or dusting equipment such as spraying by suitable equipment be suitable for immediately it is to be processed
Object, but also including needing the concentration commercial composition being diluted before being applied to object.
It is a further object of the present invention to provide the compositions for preventing or controlling the pest on brassicaceous vegetable
Purposes, such as Lepidoptera (Lepidoptera), coleoptera (Coleoptera), Diptera (Diptera), Homoptera
(Homoptera), Hymenoptera (Hymenoptera).
The composition is especially to following pest also good preventive effect: diamondback moth (Plutella xylostella), twill
Noctuid (Prodenia litura), beet armyworm (Spodoptera exigua Hiibner), cabbage caterpillar (Pieris rapae
Linne), phyllotreta striolata (Phyllotreta striolata (Fabricius)), cabbage bug (Eurydema dominulus),
Radish fly (Delia floralis Fallen), vegetable aphid (Lipaphis erysimi), yellow-winged cabbage sawfly (halia rosae
japonensis(Rhower))。
Preferably, the following pest of the composition for preventing and controlling has special efficacy diamondback moth (Plutella xylostella), twill night
Moth (Prodenia litura), beet armyworm (Spodoptera exigua Hiibner), cabbage caterpillar (Pieris rapae
Linne), black cutworm (Agrotis ypsilon Rottemberg) phyllotreta striolata (Phyllotreta striolata
(Fabricius)), especially diamondback moth (Plutella xylostella), phyllotreta striolata (Phyllotreta
striolata(Fabricius))。
Composition of the invention can be also used in mixed way with other known active constituent, including but not limited to bactericide, kill
Epiphyte pharmaceutical, insecticide, herbicide, fertilizer, synergist, plant growth regulator etc..
Compared with prior art, synergistic composition of the invention has the beneficial effect that
(1) synergistic composition of the invention is by active constituent Tolfenpyrad and the combined application of Dipel in cross
Pest on flower section vegetables, synergistic function is obvious, reduces times for spraying, can reduce the dosage of two single doses, and then drop
Low production cost reduces the pollution to environment.
(2) Tolfenpyrad and the mechanism of action of Dipel are different, the combined application of the two, to Cruciferae vegetable
Ovum, low instar larvae and the high instar larvae of dish pest even adult have good killing effect, and then have delayed the generation of resistance.
(3) synergistic composition of the invention is not protected from environmental, so solve Dipel it is affected by environment it is big,
The problem insensitive to high instar larvae.
(4) Dipel belongs to biological insecticides, and Tolfenpyrad is compounded with Dipel or the combination pair of mixture
People and animals and Environmental security.
Specific embodiment
Next combined with specific embodiments below invention is further explained, but does not limit the invention to these tools
Body embodiment.One skilled in the art would recognize that present invention encompasses may include in Claims scope
All alternatives, improvement project and equivalent scheme.
One, example of formulations
Embodiment 1:25% Tolfenpyrad bacillus thuringiensis suspending agent
The each components such as active component, dispersing agent, wetting agent and water are uniformly mixed according to the ratio of formula, it is ground and/
Or 25% Tolfenpyrad bacillus thuringiensis suspending agent is obtained after high speed shear.
Embodiment 2:20% Tolfenpyrad Dipel water dispersible granules
Active constituent, dispersing agent, wetting agent, disintegrating agent and filler are mixed according to the formula uniformly, by air-flow powder
It is broken into wettable powder, a certain amount of water mixing extruding is added and makes material.20% Tolfenpyrad Soviet Union is obtained after dry screening
Cloud gold bacillus water dispersible granules.
Embodiment 3:32% Tolfenpyrad Dipel wettable powder
Active constituent, various auxiliary agents and filler etc. are mixed by the proportional components of formula, after ultra-fine pulverizer disintegrating, i.e.,
Obtain 32% Tolfenpyrad Dipel wettable powder.
Embodiment 4:50% Tolfenpyrad bacillus thuringiensis suspending agent
The each components such as active constituent, dispersing agent, wetting agent and water are mixed according to the formula uniformly, it is ground and/or
50% Tolfenpyrad bacillus thuringiensis suspending agent is obtained after high speed shear.
Embodiment 5:45% Tolfenpyrad Dipel wettable powder
Above-mentioned material is mixed in proportion, after mechanical crushing again through air-flow crushing, after mixing, can be prepared by 45% azoles
Insect amide Dipel wettable powder
Embodiment 6:15% Tolfenpyrad Dipel water dispersible granules
Above-mentioned material is mixed in proportion, after being uniformly mixed through air-flow crushing, mediating granulation, dry screening, can be prepared by
15% Tolfenpyrad Dipel water dispersible granules.
Embodiment 7:22% Tolfenpyrad bacillus thuringiensis suspending agent
Above-mentioned material is mixed in proportion, after being uniformly mixed through air-flow crushing, mediating granulation, dry screening, can be prepared by
22% Tolfenpyrad bacillus thuringiensis suspending agent.
Embodiment 8:63% Tolfenpyrad Dipel wettable powder
Above-mentioned material is mixed in proportion, after mechanical crushing again through air-flow crushing, after mixing, can be prepared by 63% azoles
Insect amide Dipel wettable powder.
Embodiment 9:10.5% Tolfenpyrad bacillus thuringiensis suspending agent
Above-mentioned material is mixed in proportion, after being uniformly dispersed through high speed shear, being sanded in sand mill, can be prepared by 10.5%
Tolfenpyrad bacillus thuringiensis suspending agent.
Embodiment 10:48.8% Tolfenpyrad Dipel water dispersible granules
Above-mentioned material is mixed in proportion, after being uniformly mixed through air-flow crushing, mediating granulation, dry screening, can be prepared by
48.8% Tolfenpyrad Dipel water dispersible granules.
Embodiment 11:38% Tolfenpyrad Dipel water dispersible granules
Above-mentioned material is mixed in proportion, after being uniformly mixed through air-flow crushing, mediating granulation, dry screening, can be prepared by
38% Tolfenpyrad Dipel water dispersible granules.
Embodiment 12:7% Tolfenpyrad Dipel water dispersible granules
Above-mentioned material is mixed in proportion, after mechanical crushing again through air-flow crushing, after mixing, can be prepared by 7% azoles
Insect amide Dipel water dispersible granules.
Two, indoor biological activity assay
1. Tolfenpyrad is with Dipel composite preparation to the indoor biological activity assay of diamondback moth
Subjects: the pupa and mature larva of diamondback moth with picking up from reported in Tianhe district of Guangzhou wild cabbage, in being turned into solarium
Adult, adult mate and oviposit is on potting wild cabbage, after long to spare after 3 instar larvaes.
Reagent agent: the effective of Tolfenpyrad and each single dose of Dipel and different mixed agents is determined by preliminary experiment
Lethasl concentration range, each medicament separately design five gradient concentrations by active constituent content and handle, to be free of the blank of raw medicine
Processing compares.
Test method: the mother liquor of Tolfenpyrad and Dipel and each mixed agent is diluted to 5 respectively when test
Graded series concentration is respectively placed in spare in beaker.The method for being followed by worm using first immersion liquid, will be not in contact with the size of any medicament
Consistent fresh cabbage leaves impregnate taking-up, naturally dry after 5s in prepared medical fluid, are put into insect box, then connect confession
3 instar larvaes are tried, are raised under the conditions of 25 DEG C, 3 repetitions of every processing, test worm number used in every repetition is 30, while blank is arranged
Control checks dead borer population in 72h, calculates the death rate and corrected mortality, find out virulence regression equation and calculate LC50。
Toxicity index (TI)=standard agent LC50/ reagent agent LC50×100
Theoretical toxicity index (TTI)=standard agent toxicity index × standard agent in mixing assembles percentage+
Reagent agent toxicity index × reagent agent percentage in mixing assembles
Actual toxicity index (ATI)=standard single dose LC50Value/mixture LC50Value × 100
Co-toxicity coefficient (CTC)=survey toxicity index/theoretical toxicity index × 100
Co-toxicity coefficient classification: evaluating the synergistic effect of pharmacy mix using the co-toxicity coefficient method (CTC) of Sun Yunpei, when altogether
When malicious coefficient (CTC) >=120, composition shows as synergistic effect；As CTC≤80, composition shows as antagonism；When 80
When < CTC < 120, composition shows as summation action.
1 Tolfenpyrad of table is with Dipel composite preparation to the indoor biological activity assay of diamondback moth
Indoor biological activity assay of the composite preparation of Tolfenpyrad and Dipel different weight ratio to diamondback moth
It is shown in Table 1, the results showed that, within the scope of 1:20~60:1, co-toxicity coefficient is all larger than the weight ratio of Tolfenpyrad and Dipel
120, it is active to diamondback moth, wherein best to the activity of diamondback moth when the weight ratio of the two is 7:3, co-toxicity coefficient is maximum
It is 190.49.
2. Tolfenpyrad is with Dipel composite preparation to the indoor biological activity assay of phyllotreta striolata
Subjects: phyllotreta striolata
Test method: leaf dipping method is used, with reference to Wang Jinshan (2007) and " farm-chemical indoor determination test rule (NY/T
1154.6-2006)".By cabbage heart (Brassica campestris L.ssp.et al var.utilis Tsen et Lee)
Seed is seeded in greenhouse, to long to 4-5 piece true leaf, takes the Brassica campestris leaves of no insect pest of the same size stand-by, Mei Gechong
Multiple a piece of leaf, subject to enough test worm feedings.When test, blade is first completely immersed in various concentration medical fluid 5s, dries leaf after taking-up
Piece surface medical fluid, on the filter paper put it into the batch cultur ware of diameter 9cm (be put into culture dish one it is sterilized straight
Diameter is the filter paper of 7cm, and the sterile water that 0.6mL is added in every filter paper makes its complete wetting).It is each to repeat that 20 CO are added2Anesthesia
Phyllotreta striolata adult, cover culture dish upper cover immediately, and consolidate culture dish with rubber band, prevent flea beetle from escaping.To contain
The distilled water of solvent is control, and distilled water is blank control, and 3 repetitions are arranged in every processing.Test worm is placed in temperature 25 ± 1
DEG C, humidity 75%, in the artificial climate incubator of L:D=14:10, after processing for 24 hours, 48h observe and record test worm The dead quantity
And dish leaf feeding situation.
Toxicity index is calculated according to Sun Yunpei (1960) method, compares the relative virus force between reagent agent and standard agent.
(LC is generally selected using single dose a certain in mixture as standard agent50Junior), it is calculated:
Toxicity index (TI)=standard agent LC50/ reagent agent LC50×100
Theoretical toxicity index (TTI)=standard agent toxicity index × standard agent in mixing assembles percentage+
Reagent agent toxicity index × reagent agent percentage in mixing assembles
Actual toxicity index (ATI)=standard single dose LC50Value/mixture LC50Value × 100
Co-toxicity coefficient (CTC)=survey toxicity index/theoretical toxicity index × 100
Co-toxicity coefficient classification: the mixture of CTC>120 have synergistic function, the mixture of CTC<80 have antagonism, 80≤
The mixture of CTC≤120 has summation action.Test result such as table 2.
2 Tolfenpyrad of table is with Dipel composite preparation to the indoor biological activity assay of phyllotreta striolata
From table 2 it can be seen that Tolfenpyrad combines in 1:20~60:1 (by weight) range with Dipel to be made
Used time, co-toxicity coefficient are all larger than 120, show that it acts synergistically to the prevention and treatment of phyllotreta striolata with synergy, especially work as the two
Weight ratio be 3:4 when, synergistic function is the most obvious, co-toxicity coefficient 194.54, it is seen that Tolfenpyrad and Su Yunjin
There are reasonability and feasibility for the combination prevention and treatment phyllotreta striolata of bacillus.
Three, field trial
1. Tolfenpyrad is with Dipel composite preparation to the field control effectiveness test of diamondback moth
Subjects: diamondback moth
Reagent agent: treatment agent be embodiment 1-6 combination preparation, comparison medicament be 30% Tolfenpyrad suspending agent and
16000IU/ milligrams of Dipel wettable powders, sprinkling equivalent clear water are blank control.
Test method: diamondback moth larvae occurance peak (based on 2~3 ages), wild cabbage growth are in lotus throne initial stage.It will be for examination
Medicament (Super-Green) -16 type knapsack sprayer, uniformly sprays in cabbage plant leaf surface and lobus cardiacus.
Investigation method: investigating insect population before application, and 7d, 14d investigate the remaining quantity of diamondback moth after application, investigates altogether
5 times.Every cell fixed point singling investigates 15 plants, investigates by strain by leaf, counts the work larva number of different larval instar on entire plant, count
The work larva sum of every cell, test result are shown in Table 3.
Drug effect calculation method:
3 Tolfenpyrad of table is with Dipel composite preparation to the field control effectiveness test of diamondback moth
It can be seen that Tolfenpyrad and Dipel composite preparation to pickles from the field control effectiveness test result of table 3
The control efficiency of moth is apparently higher than 30% Tolfenpyrad suspending agent and 16000IU/ milligrams of Dipel wettable powders, combination
When the effective component usage amount of preparation is 200 grams/ha, 75% or more is up to the preventive effect of diamondback moth, preventive effect after application 14 days
Persistently maintain 78% or more.
2. Tolfenpyrad is with Dipel composite preparation to the field control effectiveness test of phyllotreta striolata
Subjects: phyllotreta striolata
Test medicine: treatment agent be embodiment 1-6 combination preparation, comparison medicament be 30% Tolfenpyrad suspending agent and
16000IU/ milligrams of Dipel wettable powders, sprinkling equivalent clear water are blank control.
Test method: it is experimental field located at ten thousand family of the Guangzhou Zengcheng right fruit and leads to farm Vegetable Base, be located at Guangzhou Zengcheng area
Right fruit town peace village, experimental field plantation cabbage heart throughout the year, phyllotreta striolata occurring and damage is more serious when test.Experimental plot soil is flat
At furrow after whole, irrigation and drainage are convenient, sandy loam matter.Experimental field about 360 ㎡ is chosen, 3 district's groups, 24 cells, per small are divided into
Area's area is about 15 ㎡.Test sets 8 processing, and 3 repetitions of each processing are arranged by random district's groups.In phyllotreta striolata adult
The quantity that causes harm starts to be administered when reaching 2~4 every plant, uses water 45L per acre, spraying with 3WBD-16L knapsack electric sprayer, applies
Medicine number is 1 time, does not apply any pesticide for preventing and treating other pest and disease damages during test.
Investigation method: every cell randomly selects 0.36m according to five point sampling, at every2Investigation is living at borer population.Investigation application
Preceding investigation radix, 1,7d after application are investigated four times altogether, and test result see the table below 4.
Drug effect calculation method:
PT0Borer population before chemicals treatment district is administered；
PT1Borer population after chemicals treatment district application；
CK0Borer population before blank district is administered；
CK1Borer population after blank district application.
4 Tolfenpyrad of table is with Dipel composite preparation to the field control effectiveness test of phyllotreta striolata
As can be seen from Table 4, Tolfenpyrad and prevention and treatment of the Dipel composite preparation to phyllotreta striolata, collaboration increase
Effect effect is obvious, and when the effective ingredient consumption of composite preparation is 200 grams/ha, preventive effect is up to 78% or more after being administered 7d,
And quick-acting and lasting effect are better than single active ingredient.
The above field control effectiveness test is showed no the bad shadow of crop production to processing crop and its periphery during test
It rings, Tolfenpyrad and Dipel composite preparation either prevent and treat diamondback moth and still prevent and treat phyllotreta striolata, effective component
Dosage significantly reduce, it is synergistic obvious, to reduce production cost, alleviate environmental pollution, it is seen then that Tolfenpyrad and Soviet Union
Cloud gold bacillus combined application is worthy to be popularized.
Based on the above description of the preferred embodiments of the present invention, through the above description, related personnel completely can be with
Without departing from the scope of the technological thought of the present invention', various changes and amendments are carried out.The technical scope of this invention
It is not limited to the contents of the specification, it is necessary to determine the technical scope according to the scope of the claims.
Claims (10)
1. a kind of for preventing and treating the synergistic composition of Cruciferous Vegetable Pests, which is characterized in that the composition activity at
Dividing includes Tolfenpyrad and Dipel, and the Tolfenpyrad and Dipel weight ratio are 1:20~60:1.
2. according to claim 1 a kind of for preventing and treating the synergistic composition of Cruciferous Vegetable Pests, it is characterised in that:
The Tolfenpyrad and the weight ratio of Dipel are 1:15~25:1.
3. according to claim 1 a kind of for preventing and treating the synergistic composition of Cruciferous Vegetable Pests, it is characterised in that:
The Tolfenpyrad and the weight ratio of Dipel are 1:8~15:1.
4. according to claim 1 a kind of for preventing and treating the synergistic composition of Cruciferous Vegetable Pests, it is characterised in that:
The Tolfenpyrad and the weight ratio of Dipel are 1:3~6:1.
5. according to claim 1 a kind of for preventing and treating the synergistic composition of Cruciferous Vegetable Pests, it is characterised in that:
The weight percent of the Tolfenpyrad and the weight summation of Dipel in synergistic composition is 1%~85%.
6. according to claim 1 a kind of for preventing and treating the synergistic composition of Cruciferous Vegetable Pests, it is characterised in that:
In the composition weight percent of Tolfenpyrad and the weight summation of Dipel in synergistic composition be 3%~
35%.
7. according to claim 1 a kind of for preventing and treating the synergistic composition of Cruciferous Vegetable Pests, it is characterised in that:
In the composition weight percent of Tolfenpyrad and the weight summation of Dipel in synergistic composition be 5%~
15%.
8. according to claim 1 a kind of for preventing and treating the synergistic composition of Cruciferous Vegetable Pests, it is characterised in that:
The composition further includes agriculturally acceptable auxiliary agent and/or carrier, is aided with auxiliary agent and/or carrier for present composition system
It is standby to be suitble to dosage form used in agricultural production at any one.
9. according to claim 8 a kind of for preventing and treating the synergistic composition of Cruciferous Vegetable Pests, it is characterised in that:
The dosage form is wettable powder, suspending agent, granule, water dispersible granules, microcapsule suspending agent, aqueous emulsion, microemulsion micro-capsule are outstanding
Floating-suspending agent.
10. the purposes that synergistic composition described in claim 1 is used to prevent or control Cruciferous Vegetable Pests.
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