CN104255734A - Pesticide composition containing chlorfenapyr and fluazinam - Google Patents
Pesticide composition containing chlorfenapyr and fluazinam Download PDFInfo
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Abstract
The invention discloses pesticide composition containing chlorfenapyr and fluazinam. The pesticide composition comprises active ingredients in parts by weight as follows: 1-30 parts of chlorfenapyr and 1-60 parts of fluazinam. According to the pesticide composition containing chlorfenapyr and fluazinam, pest resistance to the pesticide can be eliminated and delayed, the control effect is superior to a single agent, the pesticide composition is resistant to rain wash, good in fast-acting property and long in lasting period, the use times are reduced, time saving and labor saving are achieved, various pests and diseases can be controlled simultaneously, and the pesticide cost is reduced.
Description
Technical field
The invention belongs to pesticide field, be specifically related to the composition pesticide of a kind of containing chlorfenapyr and fluazinam.
Background technology
Due to the single use of agricultural chemicals and medication not science, unreasonable, increase the weight of the resistance of insect to the agricultural chemicals of current use rapidly, make high cost, long-time some agricultural chemicals new components dropping into development shorten service life, access times are many simultaneously, also increased the weight of environmental pollution and increased drug cost.At each growth period of oranges and tangerines, occur, so this type of damage by disease and insect problem in the urgent need to address while having the disease such as the insect pests such as two spotted spider mite, blister mite, leaf miner, aleyrodid and resin disease (rubber is sick), anthracnose.At present for the control of insect agriculturally easily producing resistance, what main way was exploitation and existing kind without between the new composition of cross resistance or existing pesticide species is composite, the former is because required development cost is high, the cycle is long, and current development rate is far away less than the speed that pest resistance to insecticide produces.
Chlorfenapyr, english common name Chlorfenapyr, chemical name chemical name: 4-bromo-2-(4-chlorphenyl)-1-(ethoxyl methyl)-5-(trifluoromethyl) pyrroles-3-nitrile, is a kind of new type heterocycle class desinsection, kills mite, nematocide.Along with national high-toxic pesticide substitutes the appearance of policy and the raising of people's environmental consciousness, as non-polluted farm product diseases and pests controlling recommend the representative of pesticide species, the application of the efficient chlorfenapyr of low toxicity is more and more extensive.
Fluazinam; english common name fluazinam; the chloro-N-of chemical name 3-(3-chloro-5-trifluoromethyl-2-pyridine radicals)-α, α, α-three fluoro-2; 6-dinitro-ρ-toluidines; belonging to 2,6-dinitroanilines, is prevention & protection bactericide; prevention in advance can guarantee that fruit, quality of vegetable are good, is mainly used in the disease such as shot hole, anthracnose, scab on the downy mildew on control vegetables, gray mold, anthracnose and fruit tree.
Above-mentioned insect pest all creates certain pesticide resistance to chlorfenapyr or fluazinam, is used alone and does not reach desirable control efficiency.At present, we not yet find the Patents and bibliographical information that chlorfenapyr and fluazinam are combinationally used.
Summary of the invention
Object of the present invention solves the problems of the technologies described above, the composition pesticide of a kind of containing chlorfenapyr and fluazinam is provided, can overcome and delay pest resistance to insecticide, preventive effect has been better than single dose, resistance of rainwater washing against, quick-acting are good, the lasting period is long, reduce access times, save time, laborsaving, various pests and disease can be prevented and treated simultaneously, reduce drug cost.
For realizing above-mentioned object, technical scheme of the present invention is:
A composition pesticide for containing chlorfenapyr and fluazinam, comprises active component, and described active component is chlorfenapyr and fluazinam, counts by weight:
Chlorfenapyr 1-30 part;
Fluazinam 1-60 part.
The above active component is counted by weight: chlorfenapyr 1-20 part, fluazinam 1-60 part.
The above composition pesticide also comprises auxiliary agent, described auxiliary agent comprise in dispersant, emulsifier, antifreezing agent, thickener, defoamer, solvent, wetting agent, disintegrant and filler one or more.
The parts by weight that the above auxiliary agent adds are:
The above emulsifier is one or more in calcium dodecyl benzene sulfonate, alkylpolyoxyethylene, the sodium alklyarylsulfonate of polymerization, alkylaryl polyoxyethylene ether, alkylaryl polyoxyethylene groups ether phosphate, polyoxyethylene ether sodium phosphate, polyoxyethylene aliphatic alcohol ether, alkylphenol-polyethenoxy base ether fourth diester sulfoacid calcium, alkylphenol polyoxyethylene formaldehyde condensation products sulphate and polycarboxylic acids calcium;
The above solvent is one or more in dimethylbenzene, diesel oil, toluene, cyclohexanol, methyl alcohol, vegetable oil, turpentine oil, methyl oleate, solvent naphtha, dimethyl formamide, ethanol, N-pyrrolidones, ethyl acetate and aqueous solvent;
The above wetting agent is one or more in lauryl sodium sulfate, calcium dodecyl benzene sulfonate, alkylphenol-polyethenoxy base ether phosphate, Negel, Negel and aliphatic alcohol polyethenoxy base ether;
The above dispersant is one or more in sodium lignin sulfonate, calcium lignosulfonate, alkylphenol-polyethenoxy base ether sulfonic acid sodium, ammonium lignosulphonate, alkylphenol-polyethenoxy base phosphate, polycarboxylate, alkylphenol-polyethenoxy base calcium phosphate, aliphatic amine polyoxyethylene ether and fatty alcohol ethylene oxide adduct sodium phosphate;
The above antifreezing agent is one or more in ethylene glycol, propane diols, glycerine and urea;
The above thickener is one or more in xanthans, aluminium-magnesium silicate, CMC and Sodium Polyacrylate;
The above defoamer is one or more in silicone oil, organic silicone and polypropylene glycerol aether;
The above disintegrant is one or more in bentonite, ammonium sulfate, sodium bicarbonate, aluminium chloride and succinic acid;
The above filler is one or more in white carbon, kaolin, diatomite, precipitated calcium carbonate and starch.
The formulation of composition pesticide of the present invention is suspending agent, aqueous emulsion, water dispersible granules, microemulsion or wetting powder.
The preparation method of the composition pesticide of containing chlorfenapyr as above and fluazinam, it is mixed by weight active component and auxiliary agent, can obtain by the conventional machining mode of its formulation.
The purposes of the composition pesticide of containing chlorfenapyr as above and fluazinam, it is the application in control mandarin tree wood louse, two spotted spider mite, blister mite, aphid, resin disease, anthracnose.
Component of the present invention is commercially available prod.
Compared with prior art, the beneficial effect that the present invention has is:
1. chlorfenapyr of the present invention is the pyroles Insecticidal and acaricidal agent of structure novel.Excellent preventive effect is had to brill moth, thorn suction and chewing type insect and mite class.More effective than cypermethrin and flucythrinate, its acaricidal activity than dicofol and plictran strong.This medicament has following characteristics: broad spectrum insecticide, miticide; Have stomach toxicity and action of contace poison concurrently; With other insecticides without cross resistance; Crop has medium residual activity; Through the selective systemic activity of Root Absorption in nutrient solution; Medium to mammal Oral toxicity, percutaneous toxicity is lower; Effective formulation rate is low.Fluazinam itself is defined as bactericide, all has good control efficiency to disease a lot of on fruit and vegetables.But through overtesting, find citrus red mite, blister mite also has good preventive effect.
2. composition pesticide of the present invention is the combination of desinsection and bactericide, chlorfenapyr and fluazinam composite with mass ratio 1:60 ~ 30:1, higher synergistic effect can be produced, overcome and delayed pest resistance to insecticide, preventive effect is better than single dose, resistance of rainwater washing against, quick-acting are good, the lasting period is long, reduce access times, save time, laborsaving, various pests and disease can be prevented and treated simultaneously, reduce drug cost.The present invention is to insect agriculturally, especially obvious synergistic effect is had to mandarin tree two spotted spider mite, blister mite, aphid, resin disease (rubber is sick), anthracnose, to other insect on the crop such as paddy rice, vegetables, as the diseases such as leafhopper, thrips, plant hopper, downy mildew, gray mold also have good control efficiency.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to the scope that embodiment represents.
Embodiment 1:50% fluazinam chlorfenapyr suspending agent
Embodiment 2:2% fluazinam chlorfenapyr suspending agent
Embodiment 3:60% fluazinam chlorfenapyr suspending agent
Embodiment 4:40% fluazinam chlorfenapyr suspending agent
Embodiment 5:30% fluazinam chlorfenapyr suspending agent
The preparation method of embodiment 1-5 is: after taking raw material according to the proportioning of each embodiment, by raw material, solvent stirring and dissolving, adds the auxiliary agents such as emulsification and carries out high speed shear emulsification, makes corresponding chlorfenapyr fluazinam suspending agent.
Embodiment 6:40% fluazinam chlorfenapyr aqueous emulsion
Embodiment 7:2% fluazinam chlorfenapyr aqueous emulsion
Embodiment 8:60% fluazinam chlorfenapyr aqueous emulsion
Embodiment 9:40% fluazinam chlorfenapyr aqueous emulsion
Embodiment 10:30% fluazinam chlorfenapyr aqueous emulsion
The preparation method of embodiment 6-10 is: after taking raw material according to the proportioning of each embodiment, by raw material, solvent stirring and dissolving, adds emulsifier and carries out high speed shear emulsification, makes corresponding fluazinam chlorfenapyr aqueous emulsion.
Embodiment 11:25% fluazinam chlorfenapyr water dispersible granules
Embodiment 12:2% fluazinam chlorfenapyr water dispersible granules
Embodiment 13:55% fluazinam chlorfenapyr water dispersible granules
Embodiment 14:65% fluazinam chlorfenapyr water dispersible granules
Embodiment 15:40% fluazinam chlorfenapyr water dispersible granules
The preparation method of embodiment 11-15 is: after taking raw material according to the proportioning of each embodiment, by raw material co-grinding, makes corresponding fluazinam chlorfenapyr water dispersible granules through granulation, drying.
Embodiment 16:30% fluazinam chlorfenapyr wetting powder
Embodiment 17:2% fluazinam chlorfenapyr wetting powder
Embodiment 18:60% fluazinam chlorfenapyr wetting powder
Embodiment 19:65% fluazinam chlorfenapyr wetting powder
Embodiment 20:40% fluazinam chlorfenapyr wetting powder
The preparation method of embodiment 16-20 is: after taking raw material according to the proportioning of each embodiment, raw material is mixed ultramicro grinding, makes corresponding fluazinam chlorfenapyr wetting powder.
Embodiment 21:40% fluazinam Chlorfenapyr microemulsion
Embodiment 22:10% fluazinam Chlorfenapyr microemulsion
Embodiment 23:60% fluazinam Chlorfenapyr microemulsion
Embodiment 24:40% fluazinam Chlorfenapyr microemulsion
Embodiment 25:30% fluazinam Chlorfenapyr microemulsion
The preparation method of embodiment 20-25 is: after taking raw material according to the proportioning of each embodiment, by raw material, solvent stirring and dissolving, adds emulsifier, water carries out high speed shear, makes corresponding fluazinam Chlorfenapyr microemulsion.
Application Example:
In order to detect the insecticidal effect of composition of the present invention, now enumerate following experimental data:
With the fountain height after the dilution of the medicament of following table 1 to table 9 all by the conventional spray requirement of this area, namely the positive back side of leaf, fruit surface are sprayed to formation drop-wise and flow down.
Application Example 5
The 30% fluazinam chlorfenapyr suspending agent that the embodiment of the present invention 5 is obtained and 500 grams per liter fluazinam suspending agents, 10% chlorfenapyr suspending agent carries out field control effectiveness test, , test site is land-reclaimable Guilin Liang Feng mono-group of navel orange orchard, Guangxi, Guilin City, spray-on process, double dilution method is adopted during preparating liquid, evenly spray in oranges and tangerines branch leaf and fruit, first time dispenser is carried out at the sick their early stage of resin, execute 4 times altogether, within after last medicine 20 days, investigate, investigation area calculates (every community is 2 ~ 3 strain mandarin trees) with community, 2 strain trees are investigated in every community, every strain is by east, south, west, north, in the sampling of five points, often some investigation two branches, each branch investigation top down 4 leaves and whole fruit, total leaf (really) number of record investigation, sick leaf (really) number and sick level, calculate disease index and preventive effect.
Application Example 5 result of the test:
Table 1 30% fluazinam chlorfenapyr suspending agent control oranges and tangerines resin disease (rubber is sick) test of pesticide effectiveness result
Table 1 result of the test shows, start to execute first time medicine at oranges and tangerines resin disease (rubber is sick) initial stage of origination, thank spend after setting middle and later periods, young fruit period, fruit growth period respectively execute once again, 30% fluazinam chlorfenapyr suspending agent control oranges and tangerines resin disease (rubber is sick) have good preventive effect.
Application Example 7
The 2% fluazinam chlorfenapyr aqueous emulsion embodiment of the present invention 7 obtained and 500 grams per liter fluazinam suspending agents, 10% chlorfenapyr suspending agent carry out field control effectiveness test, test site is land-reclaimable Guilin Liang Feng mono-group of navel orange orchard, Guangxi, Guilin City, foliar spray method, be watered dilution by process dosage and be made into liquid, evenly spray in oranges and tangerines leaf tow sides, contain at orange caterpillar and send out phase dispenser 1 time, insect population radix is investigated shortly before dispenser, after dispenser, each investigation in 1 day, 3 days, 7 days is once survived borer population, totally 3 times.Investigation area calculates (every community is 2 ~ 3 strain mandarin trees) with community, and 2 mandarin trees are investigated in every community, every strain by east, south, west, north, in 5 orientation investigation 5 killed tips, the aphid number of every tip investigation top tip 5 leaves, calculating relative control effect.
Application Example 7 result of the test:
Table 2 2% fluazinam chlorfenapyr aqueous emulsion control orange caterpillar test of pesticide effectiveness result
| Medicament | Preparation usage amount (extension rate) | After medicine 1 day | After medicine 3 days | After medicine 7 days |
| 2% fluazinam chlorfenapyr aqueous emulsion | 4000 times | 96.11％ | 99.66％ | 99.77％ |
| 500 grams per liter fluazinam suspending agents | 2000 times | 74.46％ | 77.14％ | 78.38％ |
| 10% chlorfenapyr suspending agent | 4000 times | 83.92％ | 85.89％ | 88.12％ |
Table 2 result of the test shows, contains send out phase dispenser mandarin tree aphid, and 2% fluazinam chlorfenapyr aqueous emulsion control orange caterpillar has good preventive effect.
The 40% fluazinam chlorfenapyr water dispersible granules embodiment of the present invention 15 obtained and 500 grams per liter fluazinam suspending agents, 10% chlorfenapyr suspending agent carry out field control effectiveness test, test site is land-reclaimable Guilin Liang Feng mono-group of navel orange orchard, Guangxi, Guilin City, foliar spray method, be watered dilution by process dosage and be made into liquid, evenly spray in oranges and tangerines leaf tow sides, contain at orange caterpillar and send out phase dispenser 1 time, insect population radix is investigated shortly before dispenser, after dispenser, each investigation in 1 day, 3 days, 7 days is once survived borer population, totally 3 times.Investigation area calculates (every community is 2 ~ 3 strain mandarin trees) with community, and 2 mandarin trees are investigated in every community, every strain by east, south, west, north, in 5 orientation investigation 5 killed tips, the aphid number of every tip investigation top tip 5 leaves, calculating relative control effect.
Table 3 40% fluazinam chlorfenapyr water dispersible granules control orange caterpillar test of pesticide effectiveness result
Table 3 result of the test shows, contains send out phase dispenser mandarin tree aphid, and 40% fluazinam chlorfenapyr water dispersible granules control orange caterpillar has good preventive effect.
Application Example 16
The 30% fluazinam chlorfenapyr wetting powder that the embodiment of the present invention 16 is obtained and 500 grams per liter fluazinam suspending agents, 10% chlorfenapyr suspending agent carries out field control effectiveness test, test site is land-reclaimable Guilin Liang Feng mono-group of navel orange orchard, Guangxi, Guilin City, foliar spray method, be watered dilution by process dosage and be made into liquid, evenly spray in mandarin tree blade, branch is to moistening, oranges and tangerines blister mite peak of occurrence dispenser in early stage 1 time, investigation mite quantity alive shortly before dispenser, after dispenser 1 day, 7 days, 14 days, 21 days, each investigation in 28 days is once fixed a point the mite number remaining alive of leaf, totally 5 times.Investigation area calculates (every community is 2 ~ 3 strain mandarin trees) with community, investigation method is that 2 mandarin trees are investigated in every community, every strain by east, south, west, north, in 5 azimuth mark side shoots, the mite quantity alive of investigation 20 new leaf backs, directly observes the mite number in each visual field with 10 times of folding hand held magnascopes.District compares with blank, calculates relative control effect.
Application Example 16 result of the test:
Table 4 30% fluazinam chlorfenapyr wetting powder control oranges and tangerines blister mite test of pesticide effectiveness result
Table 4 result of the test shows, in the dispenser in early stage of mandarin tree blister mite peak of occurrence, 30% fluazinam chlorfenapyr wetting powder control oranges and tangerines blister mite has good preventive effect.
The 30% fluazinam chlorfenapyr wetting powder that the embodiment of the present invention 16 is obtained and 500 grams per liter fluazinam suspending agents, 10% chlorfenapyr suspending agent carries out field control effectiveness test, test site is land-reclaimable Guilin Liang Feng mono-group of navel orange orchard, Guangxi, Guilin City, foliar spray method, be watered dilution by process dosage and be made into liquid, evenly spray in mandarin tree blade tow sides, limb is to moistening, contain citrus red mite and send out initial stage dispenser 1 time, investigation mite quantity alive shortly before dispenser, after dispenser 15 days, 20 days, each investigation in 30 days is once fixed a point the remaining two spotted spider mite quantity of leaf, totally 3 times.Investigation area calculates (every community is 2 ~ 3 strain mandarin trees) with community, investigation method is that 2 mandarin trees are investigated in every community, tree crown by east, south, west, north, in 5 orientation respectively mark a treetop branch, investigate 5 blades that every tip pushes up most, investigate remaining two spotted spider mite quantity on 25 blades altogether, directly observe the mite number in each visual field with 10 times of folding hand held magnascopes.District compares with blank, calculates relative control effect.
Table 5 30% fluazinam chlorfenapyr wetting powder control citrus red mite test of pesticide effectiveness result
Table 5 result of the test shows, contains send out initial stage dispenser citrus red mite, and 30% fluazinam chlorfenapyr wetting powder control citrus red mite has good preventive effect.
Application Example 22
The 10% fluazinam Chlorfenapyr microemulsion embodiment of the present invention 22 obtained and 500 grams per liter fluazinam suspending agents, 10% chlorfenapyr suspending agent carry out field control effectiveness test, test site is land-reclaimable Guilin Liang Feng mono-group of navel orange orchard, Guangxi, Guilin City, foliar spray method, be watered dissolved dilution by process dosage and be made into liquid, the whole strain of mandarin tree is sprayed, take out at orange young and send out phase dispenser 1 time, insect population radix is investigated shortly before dispenser, after dispenser, each investigation in 5 days, 10 days, 15 days is once survived borer population, totally 3 times.Investigation area calculates (every community is 2 ~ 3 strain mandarin trees) with community, investigation method employing is determined strain and is determined tip investigation, 2 mandarin trees are investigated in every community, every strain by east, south, west, north, in 5 different azimuth choose 2 and have the worm tip to mark, the every tip of investigation records is lived borer population.District compares with blank, calculates relative control effect.
Application Example 22 result of the test:
Table 6 10% fluazinam Chlorfenapyr microemulsion prevents and treats diaphorina citri test of pesticide effectiveness result
| Medicament | Preparation usage amount (extension rate) | After medicine 5 days | After medicine 10 days | After medicine 15 days |
| 10% fluazinam Chlorfenapyr microemulsion | 2000 times | 95.47％ | 96.85％ | 97.06％ |
| 500 grams per liter fluazinam suspending agents | 1000 times | 77.67％ | 79.85％ | 81.67％ |
| 10% chlorfenapyr suspending agent | 1500 times | 82.84％ | 86.55％ | 86.74％ |
Table 6 result of the test shows, to cause harm phase dispenser mandarin tree wood louse, 10% fluazinam Chlorfenapyr microemulsion prevents and treats diaphorina citri good preventive effect.
Application Example 6
The 40% fluazinam chlorfenapyr aqueous emulsion embodiment of the present invention 6 obtained and 500 grams per liter fluazinam suspending agents, 10% chlorfenapyr suspending agent carry out field control effectiveness test, test site is land-reclaimable Guilin Liang Feng mono-group of navel orange orchard, Guangxi, Guilin City, adopt spray-on process, double dilution method is adopted during preparating liquid, evenly spray in oranges and tangerines branch leaf and fruit, carry out first time dispenser at the sick their early stage of resin, execute 4 times altogether.Within after last medicine 20 days, investigate.Investigation area calculates (every community is 2 ~ 3 strain mandarin trees) with community, 2 strain trees are investigated in every community, every strain by east, south, west, north, in the sampling of five points, often some investigation two branches, each branch investigation top down 4 leaves and whole fruit, several, sick leaf (really) numbers of total leaf (really) of record investigation and sick level, calculate disease index and preventive effect.
Application Example 6 result of the test:
Table 7 40% fluazinam chlorfenapyr aqueous emulsion oranges and tangerines resin disease (rubber is sick) test of pesticide effectiveness result
Table 7 result of the test shows, start to execute first time medicine at oranges and tangerines resin disease (rubber is sick) initial stage of origination, thank spend after setting middle and later periods, young fruit period, fruit growth period respectively execute once again, 40% fluazinam chlorfenapyr aqueous emulsion control oranges and tangerines resin disease (rubber is sick) have good preventive effect.
The 40% fluazinam chlorfenapyr aqueous emulsion that the embodiment of the present invention 6 is obtained and 500 grams per liter fluazinam suspending agents, 10% chlorfenapyr suspending agent carries out field control effectiveness test, test site is land-reclaimable Guilin Liang Feng mono-group of navel orange orchard, Guangxi, Guilin City, adopt spray-on process, double dilution method is adopted during preparating liquid, evenly spray in oranges and tangerines branch leaf and fruit, first time dispenser is carried out at citrus anthracnose their early stage or premorbid, execute 3 times altogether, 10 days, dispenser interval, within after last medicine 15 days, carry out single-round survey, investigation area calculates (every community is 2 ~ 3 strain mandarin trees) with community.
Blade disease survey method: 2 strains trees are investigated in every community, every strain by east, south, west, north, in five somes samplings, whole blades of often some investigation two tips, total leaf tree of record investigation, sick leaf tree and sick level, calculating disease index and preventive effect.
Fruit disease investigation method: two strain mandarin trees are investigated, every strain random searching 100 fruits in every community, total fruit tree of record investigation and sick fruit number, calculate diseased fruit rate and preventive effect.
Application Example 6 result of the test:
Table 8 40% fluazinam chlorfenapyr aqueous emulsion citrus anthracnose test of pesticide effectiveness result
Table 8 result of the test shows, carry out first time dispenser at citrus anthracnose their early stage or premorbid, young fruit period, fruit growth period are respectively executed once again, and 40% fluazinam chlorfenapyr aqueous emulsion control citrus anthracnose has good preventive effect.
Application Example 11
The 25% fluazinam chlorfenapyr water dispersible granules that the embodiment of the present invention 11 is obtained and 500 grams per liter fluazinam suspending agents, 10% chlorfenapyr suspending agent carries out field control effectiveness test, test site is land-reclaimable Guilin Liang Feng mono-group of navel orange orchard, Guangxi, Guilin City, foliar spray method, be watered dilution by process dosage and be made into liquid, evenly spray in mandarin tree blade, branch is to moistening, oranges and tangerines blister mite peak of occurrence dispenser in early stage 1 time, investigation mite quantity alive shortly before dispenser, after dispenser 1 day, 7 days, 14 days, 21 days, each investigation in 28 days is once fixed a point the mite number remaining alive of leaf, totally 5 times.Investigation area calculates (every community is 2 ~ 3 strain mandarin trees) with community, investigation method is that 2 mandarin trees are investigated in every community, every strain by east, south, west, north, in 5 azimuth mark side shoots, the mite quantity alive of investigation 20 new leaf backs, directly observes the mite number in each visual field with 10 times of folding hand held magnascopes.District compares with blank, calculates relative control effect.
Application Example 11 result of the test:
Table 9 25% fluazinam chlorfenapyr water dispersible granules control oranges and tangerines blister mite test of pesticide effectiveness result
Table 9 result of the test shows, in the dispenser in early stage of mandarin tree blister mite peak of occurrence, 25% fluazinam chlorfenapyr water dispersible granules control oranges and tangerines blister mite has good preventive effect.
Composition of the present invention is to the Toxicity Determination of citrus red mite:
The slide infusion process that test adopts FAO (Food and Agriculture Organization of the United Nation) (FAO) to recommend.The female one-tenth mite of 20 work inoculated by every block slide, and the basis of 3 preliminary experimenies is established series concentration value, and clear water contrasts, and often processes 3 times and repeats (totally 60 female one-tenth mites).Leaching medicine 5 blots with blotting paper after second immediately, then puts into 24-26 DEG C of insulating box, within after medicine 48 hours, checks lethality, calculates corrected mortality.Concentration conversion is become natural logrithm value, corrected mortality is converted into arcsine transformation value, then with arcsine transformation value for dependent variable, with dosage natural logrithm value for independent variable, carry out linear regression analysis by DPS Biological Statistic Analysis Software, draw the toxicity regression linear equation of each medicament.Toxicity regression linear equation according to each medicament obtains corrected mortality arcsine transformation value (y), draws EC50 value by looking into antilogarithm table, then calculates toxicity index and the co-toxicity coefficient (CTC) of medicament according to the abundant method of Sun Yun.
Actual measurement toxicity index=standard agent EC50/ reagent agent EC50 × 100
The theoretical toxicity index of the single dose=content of single dose actual measurement toxicity index × single dose in mixture
The theoretical toxicity index sum of mixture theoretical toxicity index=each single dose
Theoretical toxicity index × 100 of toxicity index/mixture of co-toxicity coefficient=mixture actual measurement
Evaluation criterion: CTC≤80 are antagonism, 80 < CTC < 120 are summation action, and CTC >=120 are synergistic effect, and experimental result please refer to table 10:
Table 10: the toxicity index of each medicament and the co-toxicity coefficient of fluazinam chlorfenapyr
| Reagent agent | Proportioning | EC 50(mg/kg) | Co-toxicity coefficient |
| Chlorfenapyr | -- | 6.53 | - |
| Fluazinam | -- | 5.67 | - |
| Chlorfenapyr: fluazinam | 1：50 | 4.03 | 141.06 |
| Chlorfenapyr: fluazinam | 1：40 | 3.48 | 163.46 |
| Chlorfenapyr: fluazinam | 1：30 | 3.12 | 182.51 |
| Chlorfenapyr: fluazinam | 1：15 | 2.70 | 210.90 |
| Chlorfenapyr: fluazinam | 1：1 | 3.04 | 199.66 |
| Chlorfenapyr: fluazinam | 5：1 | 3.47 | 183.54 |
| Chlorfenapyr: fluazinam | 10：1 | 3.34 | 192.85 |
| Chlorfenapyr: fluazinam | 15：1 | 3.95 | 163.76 |
| Chlorfenapyr: fluazinam | 20：1 | 4.46 | 145.36 |
| Fluazinam: chlorfenapyr | 30：1 | 4.83 | 134.54 |
The experimental result of table 10 shows chlorfenapyr and fluazinam, and 1:50 ~ 30:1 is composite in mass ratio, and all have synergistic effect to citrus red mite, when especially proportioning is between 1:50 ~ 20:1, synergy is more remarkable.
Composition of the present invention is to the Toxicity Determination of oranges and tangerines resin disease (broken skin is sick):
Test adopts mycelial growth rate method, get experiment liquid that 5ml prepares to join the hot medium of 45ml (PDA medium is housed, 45-50 DEG C) conical flask in, after shaking up, pour rapidly diameter 90mm glass culture dish into, band medicine medium 12ml poured into by each culture dish, each process 4 repetition, horizontal rest, cooling after flat board.Cut bacterium cake with diameter 5mm card punch from the examination bacterium edge that supplies cultivating 4d, the one side with mycelia received on the malicious medium of band with choosing pin, all operations all carries out sterile working at superclean bench.Being placed on by flat board after process after cultivating 4d in the constant temperature aseptic culture case of 20 DEG C adopts right-angled intersection method to measure the colony diameter of each process respectively, calculates the mean value of each process colony diameter, the average net growth of colony diameter and mycelial growth inhibition rate.
Bacterium colony net growth (mm)=colony diameter-5
Concentration conversion is become natural logrithm value by mycelial growth inhibition rate (%)=((contrast bacterium colony net growth-process bacterium colony net growth)/contrast bacterium colony net growth) × 100, inhibiting rate conversion arcsin function value, with arcsine letter replacement value for dependent variable, with dosage natural logrithm value for independent variable, linear regression analysis is carried out by DPS Biological Statistic Analysis Software, draw regression equation, then carry out anti-natural logrithm convert draw EC50.Toxicity index and the co-toxicity coefficient (CTC) of medicament is calculated according to the abundant method of Sun Yun.
Actual measurement toxicity index=standard agent EC50/ reagent agent EC50 × 100
The theoretical toxicity index of the single dose=content of single dose actual measurement toxicity index × single dose in mixture
The theoretical toxicity index sum of mixture theoretical toxicity index=each single dose
Theoretical toxicity index × 100 of toxicity index/mixture of co-toxicity coefficient=mixture actual measurement
Evaluation criterion: CTC≤80 are antagonism, 80 < CTC < 120 are summation action, and CTC >=120 are synergistic effect, and experimental result please refer to table 11;
Table 11: the toxicity index of each medicament and the co-toxicity coefficient of fluazinam chlorfenapyr
| Reagent agent | Proportioning | EC 50(mg/kg) | Co-toxicity coefficient |
| Chlorfenapyr | - | 8.15 | - |
| Fluazinam | - | 5.63 | - |
| Chlorfenapyr: fluazinam | 1：50 | 4.13 | 137.15 |
| Chlorfenapyr: fluazinam | 1：40 | 3.96 | 143.25 |
| Chlorfenapyr: fluazinam | 1：30 | 3.46 | 164.36 |
| Chlorfenapyr: fluazinam | 1：15 | 3.02 | 190.10 |
| Chlorfenapyr: fluazinam | 1：1 | 3.38 | 197.03 |
| Chlorfenapyr: fluazinam | 5：1 | 3.59 | 211.26 |
| Chlorfenapyr: fluazinam | 10：1 | 4.18 | 187.35 |
| Chlorfenapyr: fluazinam | 15：1 | 4.33 | 183.10 |
| Chlorfenapyr: fluazinam | 20：1 | 4.65 | 181.61 |
| Fluazinam: chlorfenapyr | 30：1 | 6.04 | 153.61 |
The experimental result of table 11 shows chlorfenapyr and fluazinam composition, and 1:50 ~ 30:1 is composite in mass ratio, all has remarkable synergistic effect to oranges and tangerines resin disease (broken skin is sick).
Claims (6)
1. a composition pesticide for containing chlorfenapyr and fluazinam, comprises active component, it is characterized in that: described active component is chlorfenapyr and fluazinam, counts by weight:
Chlorfenapyr 1-30 part;
Fluazinam 1-60 part.
2. the composition pesticide of a kind of containing chlorfenapyr according to claim 1 and fluazinam, is characterized in that: described active component is counted by weight: chlorfenapyr 1-20 part, fluazinam 1-60 part.
3. the composition pesticide of a kind of containing chlorfenapyr according to claim 1 and 2 and fluazinam, it is characterized in that: this composition pesticide also comprises auxiliary agent, described auxiliary agent comprise in dispersant, emulsifier, antifreezing agent, thickener, defoamer, solvent, wetting agent, disintegrant and filler one or more.
4. the composition pesticide of a kind of containing chlorfenapyr according to claim 3 and fluazinam, is characterized in that: the parts by weight that described auxiliary agent adds are:
Dispersant 0.1-15 part;
Emulsifier 0.1-12 part;
Antifreezing agent 0.1-4 part;
Thickener 0.1-4 part;
Defoamer 0.1-2 part;
Solvent 30-95.8 part;
Wetting agent 0.1-15 part;
Disintegrant 0.1-6 part;
Filler 3-86.9 part.
5. the composition pesticide of a kind of containing chlorfenapyr according to claim 3 and fluazinam, is characterized in that: described emulsifier is one or more in calcium dodecyl benzene sulfonate, alkylpolyoxyethylene, the sodium alklyarylsulfonate of polymerization, alkylaryl polyoxyethylene ether, alkylaryl polyoxyethylene groups ether phosphate, polyoxyethylene ether sodium phosphate, polyoxyethylene aliphatic alcohol ether, alkylphenol-polyethenoxy base ether fourth diester sulfoacid calcium, alkylphenol polyoxyethylene formaldehyde condensation products sulphate and polycarboxylic acids calcium;
Described solvent is one or more in dimethylbenzene, diesel oil, toluene, cyclohexanol, methyl alcohol, vegetable oil, turpentine oil, methyl oleate, solvent naphtha, dimethyl formamide, ethanol, N-pyrrolidones, ethyl acetate and aqueous solvent;
Described wetting agent is one or more in lauryl sodium sulfate, calcium dodecyl benzene sulfonate, alkylphenol-polyethenoxy base ether phosphate, Negel, Negel and aliphatic alcohol polyethenoxy base ether;
Described dispersant is one or more in sodium lignin sulfonate, calcium lignosulfonate, alkylphenol-polyethenoxy base ether sulfonic acid sodium, ammonium lignosulphonate, alkylphenol-polyethenoxy base phosphate, polycarboxylate, alkylphenol-polyethenoxy base calcium phosphate, aliphatic amine polyoxyethylene ether and fatty alcohol ethylene oxide adduct sodium phosphate;
Described antifreezing agent is one or more in ethylene glycol, propane diols, glycerine and urea;
Described thickener is one or more in xanthans, Magnesiumaluminumsilicate, CMC and Sodium Polyacrylate;
Described defoamer is one or more in silicone oil, organic silicone and polypropylene glycerol aether;
Described disintegrant is one or more in bentonite, ammonium sulfate, sodium bicarbonate, aluminium chloride and succinic acid;
Described filler is one or more in white carbon, kaolin, diatomite, precipitated calcium carbonate and starch.
6. the composition pesticide of a kind of containing chlorfenapyr according to claim 3 and fluazinam, is characterized in that: the formulation of composition pesticide is suspending agent, aqueous emulsion, water dispersible granules, microemulsion or wetting powder.
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| CN110338192A (en) * | 2019-07-08 | 2019-10-18 | 京博农化科技有限公司 | A kind of fluazinam and capillary miticide composition |
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| CN1385068A (en) * | 2002-05-22 | 2002-12-18 | 江苏省农药研究所 | Composite with pest-killing, mite-killing bacteria-killing activity |
| CN102802422A (en) * | 2009-06-17 | 2012-11-28 | 石原产业株式会社 | Control Agent For Soft Rot And Control Method For The Same |
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| CN1385068A (en) * | 2002-05-22 | 2002-12-18 | 江苏省农药研究所 | Composite with pest-killing, mite-killing bacteria-killing activity |
| CN102802422A (en) * | 2009-06-17 | 2012-11-28 | 石原产业株式会社 | Control Agent For Soft Rot And Control Method For The Same |
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| CN110338192A (en) * | 2019-07-08 | 2019-10-18 | 京博农化科技有限公司 | A kind of fluazinam and capillary miticide composition |
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