CN102726413A - Mite-killing pesticide composition containing pyridaben and fenpyroximate - Google Patents
Mite-killing pesticide composition containing pyridaben and fenpyroximate Download PDFInfo
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- CN102726413A CN102726413A CN2012102420840A CN201210242084A CN102726413A CN 102726413 A CN102726413 A CN 102726413A CN 2012102420840 A CN2012102420840 A CN 2012102420840A CN 201210242084 A CN201210242084 A CN 201210242084A CN 102726413 A CN102726413 A CN 102726413A
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- pyridaben
- mite
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- fenpyroximate
- mite ester
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Abstract
The invention discloses a mite-killing pesticide composition containing pyridaben and fenpyroximate, comprising effective drug components of pyridaben and fenpyroximate as well as auxiliary component which can be accepted in pesticide, wherein the weight ratio of the effective drug components, namely the weight ratio of pyridaben to fenpyroximate, is (30-1):(1-30). The composition disclosed by the invention can be applied to control or killing on insect pests such as mite and especially has obvious synergic control and killing effect on panonychus. Through synergetic application of pyridaben and fenpyroximate in the composition disclosed by the invention, application dosage can be reduced, and single selection pressure to mite is reduced, thus being beneficial to avoiding production of disease resistance and delaying the production of disease resistance and being capable of improving mite control effect.
Description
Technical field
The invention belongs to pesticide field, be specifically related to a kind of composition pesticide that contains pyridaben and azoles mite ester.
Background technology
The mite class is commonly called as two spotted spider mite, is arachnoide pest, and common harmful mite belongs to Acariformes and Acarina more, is one of important pests of harm multiple kinds of crops.Domestic South China, the Central China of mainly being distributed in, northeast and North China etc. are the area extensively, is distributed in same latitude economic crops district abroad.The leaf of fruit tree, vegetables, wheat, cotton, corn, flowers, the beans various crop of causing harm, stem, flower etc.; Thorn is inhaled stem leaves of plants; There is the yellowish-brown point of a large amount of needle point size chlorosis in initial stage leaf front, and a large amount of from the bottom up chlorosis of anaphase blade are crispaturaed and come off, and cause a large amount of fallen leaves.Sometimes blade begins to take place from the plant middle part, and blade is flavescence gradually, not caducous (apple tetranychus).The growth breeding thermophilic of mite class is the 15-30 degree, belongs to the high temperature active type.Under the torrid zone and greenhouse experiment, all can take place the whole year.The height of temperature has determined what of growth cycle, reproduction speed and egg laying amount of each worm attitude of mite class.The weather conditions of extreme arid torrid climate tend to cause its big generation.Mite class generating capacity is big, and the breeding cycle is short, and is hidden, and resistance rises fast, is difficult to control.
Pyridaben (pyridaben), structural formula is (I) as follows, chemical name: 2-tertiary butyl-5-(the special fourth benzyl of 4-) sulfo--4-chloro-3 (2 hydrogen)-pyridazinone, pyridaben is wide spectrum, tagging property miticide, can be used for preventing and treating multiple food vegetalitas evil mite.To whole growth phase of mite be ovum, young mite, if mite with becomes mite that good effect is all arranged, have tangible speed to kill equally to the one-tenth mite of moving the phase and act on.Pyridaben is not acted upon by temperature changes, and no matter uses in early spring or autumn, all can reach promising result.
Azoles mite ester (fenpyroximate), chemical name:; (E)-and the special butyl ester of 4-[[[[(1,3-dimethyl-5-phenoxy group-pyrazoles-4-yl) methylene] amino] oxygen] methyl] benzoic acid, structural formula is (II) as follows.Azoles mite ester kills that mite spectrum is wide, and the mode of action is main with action of contace poison, does not inhale in not having, and belongs to the super-high-efficient agricultural chemicals, low toxicity, quick-acting, low-residual, holds and imitates longly, and multiple harmful mite is had strong action of contace poison.Be widely used in acarids such as control tetranychus telarius and full pawl tetranychid, blister mite on fruit tree such as oranges and tangerines, apple, peach, pears and the various crops.Diseases such as insects such as diamond-back moth, prodenia litura, striped rice borer, rice fulgorid, black peach aphid and rice blast, powdery mildew, downy mildew also there is good preventive and therapeutic effect.Prevent and treat various phytophagous miteses, the recommendation working concentration is 20-50mg/kg.Can directly kill acarid during high dose, can suppress acarid decortication during low dosage or lay eggs, have knocking down and suppress exuviation, no systemic action does not have cross resistance with other medicaments.
Summary of the invention
The purpose of this invention is to provide a kind of safe composition with notable synergistic effect, it has the better prevention effect to the mite class.
Another object of the present invention provides a kind of application of above-mentioned composition.
The object of the invention can reach through following measure:
A kind of miticide farm chemical composition that contains pyridaben and azoles mite ester, it is the active drug composition with pyridaben and azoles mite ester, forms jointly with acceptable auxiliary element in the agricultural chemicals, the part by weight of active drug composition pyridaben and azoles mite ester is 30:1～1:30.
In a kind of scheme, the part by weight of active drug composition pyridaben and azoles mite ester is preferably 10:1～1:5, further is preferably 5:1～1:1.
Because the pyridaben in the active drug composition and the azoles mite ester mechanism of action is different; Test shows, can produce synergistic function with said ratio after composite, compares with the single component agricultural chemicals; Can significantly strengthen and kill mite and control efficiency; Can significantly reduce the field dosage, thereby effectively reduce environmental pollution and residue of pesticide, also reduce and produce and use cost.Because the difference of two kinds of active drug composition mechanism of action also can reduce the single selection pressure to sick mite, the generation that helps overcoming the disease resistance He delay disease drug resistance simultaneously.
Acceptable auxiliary element in the above-mentioned agricultural chemicals, comprise in the present agricultural chemicals existing be widely used and can not produce with two kinds of active drug compositions involved in the present invention chemical action or to its drug effect performance have adverse effect like conventional ingredients such as auxiliary agents such as dispersant, diffusant, antifoaming agent, wetting agent, disintegrant, excipient.
The practical application form of miticide farm chemical composition of the present invention; Can be according to different use needs or environment condition; By acceptable auxiliary element in two related active drug compositions and the agricultural chemicals, adopt conventional at present agricultural chemicals preparation method, be processed into the various formulations in the present operational agricultural chemicals; Comprise any in the common pesticides formulations such as water dispersible granules, suspending agent, suspension seed-coating agent, so that the application in reality.For example, the composition of some formulations of pesticide and typical preparation thereof can be as following.
A. water dispersible granules (WDG).The said preparation medicine is can be in water very fast disintegration, disperse to form the granule of higher suspension dispersion.By said active drug composition, key elements such as auxiliary agent such as the required conventional wetting agent of preparation, dispersant, interleaving agent, disintegrant, stabilizing agent, adhesive and carrier are formed.Its auxiliary agent and carrier, and the compound method of precursor (preformed objects before the granulation) is analogous to wetting powder and suspending agent basically.
The preparation method is that the processing method by above-mentioned wetting powder is obtained the preformed objects before the granulation, and the water that adds 10-15% makes wet granular through the method for extruder grain or rotating granulation, with obtaining water dispersible granules after the wet granular oven dry screening.
B. suspending agent (SC).The said preparation medicine is water insoluble solids agricultural chemicals or the dispersion of immiscible liquids agricultural chemicals in water or oil.Make through the wet method ultramicro grinding by active drug composition, the required auxiliary agent (wetting dispersing agent, thickener, stabilizing agent, pH regulator agent, antifoaming agent, antifreezing agent) of preparation.Wetting dispersing agent can be naphthalene or alkyl naphthalene formaldehyde condensate sulfonates (NO, NN0, MF), lignin and derivative sulfonate (M-9, POLYFON etc.) thereof, alkylphenol-polyethenoxy base ether sulfonate, polyoxyethylene polyoxypropylene base ether block copolymers; In alkylphenol-polyethenoxy base phosphate, carboxymethyl cellulose (CMC), polyvinylpyrrolidone (PVP), polyethylene glycol (PEG), the condensed phosphate etc. one or more, content 0.1%-12%; Thickener and stabilizing agent can be in xanthan gum (XG), polyvinyl alcohol (PVA), the Magnesiumaluminumsilicate etc. one or more, content 0.05-0.5%; PH regulator agent and antifoaming agent can add according to circumstances in right amount.
The preparation method is that each composition and water etc. are even by the mixed of prescription, after grinding and/or high speed shear, obtains suspending agent.
C. wetting powder (WP).The said preparation medicine is can homodisperse solid powder preparation in water.When wetting powder prepares,, ion-type or nonionic surface active agent (wetting agent, dispersant) can be arranged also except in said active drug composition (former medicine), adding as thinner such as white carbon, precipitated calcium carbonate, potter's clay, diatomite, attapulgite or the inert substance; Wetting agent for example, alkylbenzenesulfonate (DBS-Na), alkylnaphthalene sulfonate (drawing back powder); Alkylphenol-polyethenoxy base ether sulfate; Alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, aliphatic alcohol sulfate, fatty alcohol ethylene oxide adduct sulfonate; The alkyl amide taurate; Aliphatic alcohol polyethenoxy base ether (JFC), content are 0.1%～30% (wt, below all herewith); Dispersant such as naphthalene sulfonate; Naphthalene or alkyl naphthalene formaldehyde condensate sulfonates (NO, NN0, MF); Lignin and derivative sulfonate thereof (M-9, POLYFON etc.); The polyoxyethylene poly-oxygen propylene aether block copolymer, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate (SOPA), PVA, CMC content 0.1%-30%; Also contain one or more materials among penetrating agent JFC, azone, thiophene ketone, the penetrant t, content is 0.3%-30%; Can also use other auxiliary agents such as stabilizing agent, foam inhibitor, anticaking agent by usual manner.
The preparation method is that one or more materials among former medicine and above-mentioned inert substance, surfactant, bleeding agent, the stabilizing agent etc. are mixed, and obtains wetting powder through conventional dry pulverization process (like comminution by gas stream etc.).
Composition of the present invention can be applicable to control or kills the mite pest aspect, particularly Panonychus citri is had obvious synergistic synergy control and killing action.The collaborative use dosage not only capable of reducing using of pyridaben and azoles mite ester in this composition reduces the single selection pressure to sick mite, and the generation that helps overcoming the disease resistance He delay disease drug resistance more can improve except that the acarid control effect.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should understand; These embodiment only are used for further specifying of the present invention; And be not used in the restriction scope of the present invention; Do not breaking away under the above-mentioned technological thought situation of the present invention, various replacements or change according to ordinary skill knowledge and customary means are made all should comprise within the scope of the invention.
Embodiment 1: the composite indoor harmacological effect to panonychus citri of pyridaben and azoles mite ester is measured
Subjects: panonychus citri (Panonychus citri Wcgregov)
Test method: carry out with reference to the agricultural chemicals indoor bioassay test rule NY/T1154.12-2008 of People's Republic of China (PRC) tetranychid slide infusion process.
Measure after handling 48h, through statistical analysis, result of the test is referring to table 1.
The serial proportioning of table 1 pyridaben and azoles mite ester is measured the result to the panonychus citri indoor harmacological effect
| Medicine is formed (wt) | EC 90（mg/L） | ATI | TTI | Co-toxicity coefficient (CTC) |
| Pyridaben | 5.4756 | 100 | / | / |
| Azoles mite ester | 0.6318 | 866.7 | / | / |
| Pyridaben: azoles mite ester 30:1 | 4.5864 | 119.4 | 124.7 | 95.7 |
| Pyridaben: azoles mite ester 20:1 | 3.3462 | 163.6 | 136.5 | 119.9 |
| Pyridaben: azoles mite ester 10:1 | 2.4656 | 222.1 | 169.7 | 130.9 |
| Pyridaben: azoles mite ester 5:1 | 1.355 | 404.1 | 227.8 | 177.4 |
| Pyridaben: azoles mite ester 1:1 | 0.6794 | 805.9 | 483.4 | 166.7 |
| Pyridaben: azoles mite ester 1:5 | 0.6024 | 909.0 | 738.9 | 123.0 |
| Pyridaben: azoles mite ester 1:10 | 0.5786 | 946.4 | 797.0 | 118.7 |
| Pyridaben: azoles mite ester 1:20 | 0.6552 | 835.7 | 830.2 | 100.7 |
| Pyridaben: azoles mite ester 1:30 | 0.6427 | 852.0 | 842.0 | 101.2 |
Result of the test shows that pyridaben and azoles mite ester are composite by weight 10:1-1:5, and co-toxicity coefficient has synergistic effect all more than 120 when the control panonychus citri; Wherein, when proportioning was 5:1-1:1, co-toxicity coefficient was the highest.
Embodiment 2:21.7% pyridaben fenpyroximate water dispersible granule
Form: pyridaben 21%, azoles mite ester 0.7%, sodium lignin sulfonate 9%, lauryl sodium sulfate 4%, bentonite complements to 100%.
Embodiment 3:16.5% pyridaben Enpyfoximate dispersant
Form: pyridaben 15%, azoles mite ester 1.5%, methyl naphthalene sulfonate formaldehyde condensate 10%, xanthans 0.4%, bentonite 1%, glycerine 5%, water complements to 100%.
Embodiment 4:12% pyridaben Enpyfoximate dispersant
Form: pyridaben 10%, azoles mite ester 2%, methyl naphthalene sulfonate formaldehyde condensate 10%, xanthans 0.4%, bentonite 1%, glycerine 5%, water complements to 100%.
Embodiment 5:5.6% pyridaben Enpyfoximate dispersant
Form: pyridaben 2.8%, azoles mite ester 2.8%, methyl naphthalene sulfonate formaldehyde condensate 10%, xanthans 0.4%, bentonite 1%, glycerine 5%, water complements to 100%.
Embodiment 6:3.3% pyridaben azoles mite ester wetting powder
Form: pyridaben 0.3%, azoles mite ester 3%, lauryl sodium sulfate 2%, sodium lignin sulfonate 5%, naphthalene sulfonate 3%, kaolin complements to 100%.
Pesticidal preparations control mite class field trial with the foregoing description makes experimental field is positioned at Zhaoqing, Guangdong, for the mite class is retransmitted the district.Concrete method for using is: above-mentioned each preparation is converted water spray.This test medicine consumption is established three concentration of treatment respectively according to the difference of each composition, after the processing, investigates experimental result respectively at 2d, 10d, 20d, and the result sees table 2 after statistical analysis
Table 2 pyridaben and azoles mite ester complex preparation are measured the preventive effect of mite class
Annotate: a after the same column data, b, c represent the significance of difference (p < 0.05) of variance analysis.
Field efficacy result in the table shows that azoles mite ester and pyridaben composition have good control efficiency to panonychus citri, and preventive effect is better than single agent under the same dose, and when wherein pyridaben and azoles mite ester proportioning were 5:1-1:1, activity was the highest.
The foregoing description shows, and is more single with comparing after pyridaben and the combination of azoles mite ester, and the control efficiency of mite class is significantly improved, and shows obvious synergistic effect.Wherein with pyridaben: azoles mite ester during with 5:1～1:1 synergistic effect the highest.
Though, the present invention has been done detailed description in the preceding text with general explanation and concrete solid yardage case, on basis of the present invention, can to some modifications of do or improvement, this it will be apparent to those skilled in the art that.Therefore, these modifications or the improvement on the basis of not departing from spirit of the present invention, made all belong to the scope that requirement of the present invention is protected.
Claims (7)
1. miticide farm chemical composition that contains pyridaben and azoles mite ester; It is characterized in that with pyridaben and azoles mite ester be the active drug composition; Form jointly with acceptable auxiliary element in the agricultural chemicals, the part by weight of active drug composition pyridaben and azoles mite ester is 30:1～1:30.
2. composition according to claim 1 is characterized in that the part by weight of active drug composition pyridaben and azoles mite ester is 10:1～1:5.
3. composition according to claim 2 is characterized in that the part by weight of active drug composition pyridaben and azoles mite ester is 5:1～1:1.
4. composition according to claim 1 is characterized in that the acceptable auxiliary element is formed the formulations of pesticide jointly in said active drug composition and the agricultural chemicals.
5. composition according to claim 4 is characterized in that the said formulations of pesticide are water dispersible granules, suspending agent or wetting powder.
6. the described composition of claim 1 is in control or kill the application aspect the mite pest.
7. application according to claim 6 is characterized in that said mite pest is a Panonychus citri.
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| CN2012102420840A CN102726413A (en) | 2012-07-12 | 2012-07-12 | Mite-killing pesticide composition containing pyridaben and fenpyroximate |
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| CN2012102420840A CN102726413A (en) | 2012-07-12 | 2012-07-12 | Mite-killing pesticide composition containing pyridaben and fenpyroximate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107148972A (en) * | 2017-05-15 | 2017-09-12 | 贺兰 | Suspending agent of fenpyroximate and pyridaben composite pesticide and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1911013A (en) * | 2005-08-12 | 2007-02-14 | 南京第一农药有限公司 | Synergistic compound pesticide contg. pyridaben and pyridaben, and its application |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1911013A (en) * | 2005-08-12 | 2007-02-14 | 南京第一农药有限公司 | Synergistic compound pesticide contg. pyridaben and pyridaben, and its application |
Non-Patent Citations (2)
| Title |
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| 丁伟: "农业螨类的化学控制", 《植物医生》 * |
| 无: "鑫硕-螨除（15％哒螨灵10％唑螨酯）", 《HTTP://WWW.1988.TV/SOUXFE/PRO/277815/》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107148972A (en) * | 2017-05-15 | 2017-09-12 | 贺兰 | Suspending agent of fenpyroximate and pyridaben composite pesticide and preparation method thereof |
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Application publication date: 20121017 |