CN101595883A - A kind of composition pesticide and application thereof - Google Patents
A kind of composition pesticide and application thereof Download PDFInfo
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- CN101595883A CN101595883A CNA2009101391393A CN200910139139A CN101595883A CN 101595883 A CN101595883 A CN 101595883A CN A2009101391393 A CNA2009101391393 A CN A2009101391393A CN 200910139139 A CN200910139139 A CN 200910139139A CN 101595883 A CN101595883 A CN 101595883A
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Abstract
The invention provides a kind of composition pesticide and application thereof, the active component in the composition is methoxy acrylate series bactericidal agent and miazines bactericide (the phonetic phenol of second or bupirimate or dimethirimol); Composition is applicable to the disease of preventing and treating on the agricultural.Composition pesticide of the present invention, have following beneficial effect: (1) present composition shows fabulous synergistic effect in certain ratio range, the bactericidal effect of composition is significantly improved than single agent, reduced using dosage, dispenser recruitment and the cost of agricultural chemicals simultaneously, also reduced harmful effect and residue of pesticide environment; (2) two kinds of active ingredient mechanism of action differences in the present composition, the application of composition can delay or overcome the pesticide resistance of pathogen, prolongs the service life of single agent; (3) present composition control spectrum is wide, the multiple diseases that can prevent and treat crop.
Description
Technical field
The present invention relates to a kind of composition pesticide, be used to prevent and treat the disease fungus on the agricultural, be particularly useful for preventing and treating the Ascomycotina disease fungus.
Background technology
Powdery mildew is the plant disease that is caused by the Erysiphaceae in the fungi (Erysiphacesae).Mostly be ectoparasitism, the whole or big portion of mycelium is exposed to the surface of leaf, stem, the tender tip, bud, flower and the fruit of host plant, and produces the macroscopic white powder that is made of mycelium, conidiophore and conidium in a large number.
Powdery mildew is widely distributed in the whole world, and the dicotyledon of causing harm is particularly general.The main powdery mildew of China has the cereal class powdery mildew that is caused by standing grain powdery mildew (Ery-siphe graminis); The powdery mildew of various plants such as melon, the beans that causes by Siberian cocklebur monofilament shell (Sphaerotheca fuliginea), crudefiber crop; The grape powdery mildew that causes by grape snag shell (Uncinula necator); The powdery mildew of more than 80 kind of trees such as the mulberry that causes by hazel ball pin shell (Phyllactiniacorylea), pears, persimmon, walnut, chestnut, lichee, papaya papaw; Powdery mildew of the Rosa flowers that cause by rose monofilament shell (Sphaerotheca pannosa) etc.
Cucurbits powdery mildew and cereal class powdery mildew are the important diseases on melon production and cereal class are produced.Blade produces yellow point when just taking place, and then enlarges to develop into circle or oval scab, and the mould layer of adularescent powdery is given birth on the surface, is conidiophore and the conidium of germ, and back scab flavescence brown is the cleistothecium of germ.Mildew is early stage disperses separately, after be unified into a big mildew, even can cover full leaf, have a strong impact on photosynthesis, eubolism is interfered, cause early ageing, output incurs loss.Cereal class powdery mildew all can be fallen ill to heading from seedling.
In the control of powdery mildew, mainly rely on the medicament that triazole type, methoxy acrylate class etc. are efficient, the lasting period is long.These medicaments are because long-term use has produced pesticide resistance in various degree, and control efficiency reduces.A large amount of uses of medicament have simultaneously destroyed agroecological environment, and food security is also caused adverse effect.
Be the sustainable development of assurance agricultural production and the service life that prolongs medicament, seek the prevention and treatment method that has prevention and delaying drug resistance generation and can effectively tackle the resistance pathogen and seem particularly important.
Preventing and treating pathogen with the novel pesticide that does not have cross resistance is a good solution.But develop a novel pesticide at present and need screen 10,000～1.2 ten thousand compounds, expensive 1.2～1.5 hundred million dollars, the construction cycle is 5～10 years, is difficult to catch up with the speed that the pathogen resistance produces.Other method such as crop allocation adjustment, different agricultural chemicals are rotated etc., in the process of practical operation, are difficult to really play obvious effects.
The methoxy acrylate series bactericidal agent, fungicidal spectrum is wide, and the bactericidal activity height can effectively be prevented and treated multiple diseases such as downy mildew, powdery mildew, rust, anthracnose, banded sclerotial blight, rice blast, ring rot of apple, alternaria leaf spot of apple, pear scab.The methoxy acrylate series bactericidal agent is the mitochondrial respiratory inhibitor, promptly shifts to the electronics of cromoci by suppressing cytochrome B cl, thereby suppresses mitochondrial breathing.14-demethylation enzyme inhibitor, benzamides, dicarboxylic dihydrazides amine and benzimidazole germicide there is not cross resistance.The methoxy acrylate series bactericidal agent has protection, roots out, osmotically active, can suppress spore germination and mycelial growth simultaneously.Existing methoxy acrylate series bactericidal agent comprises Fluoxastrobin, kresoxim-methyl (kresoxim-methyl), ether bacterium amine, fluoxastrobin, oxime bacterium ester, SSF 126, orysastrobin, ZEN 90160, pyraclostrobin, Enestroburin, alkene oxime amine, ZJ0712 etc.
The phonetic phenol of second, bupirimate and dimethirimol are the miazines bactericide, are adenosine deaminase inhibitors.Interior absorption is arranged, have protection and therapeutic action.Can be absorbed rapidly by plant roots, stem, leaf, and in plant corpus, run to each position.
At present, the phonetic phenol of methoxy acrylate series bactericidal agent and second (or bupirimate or dimethirimol) is composite is applied to prevent and treat the still unmanned report of disease.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of raising control efficiency, reduces the composition pesticide of agricultural chemicals usage amount.
Another purpose of the embodiment of the invention is to provide the application of above-mentioned composition pesticide.
The composition pesticide of the embodiment of the invention, active component wherein are methoxy acrylate series bactericidal agent and the phonetic phenol of second (or bupirimate or dimethirimol).
The application of above-mentioned composition pesticide on the control agricultural disease.
Compared with prior art, technique scheme adopts methoxy acrylate series bactericidal agent and the phonetic phenol of second (or bupirimate or dimethirimol) as active component, add the composition pesticide that certain auxiliary material is mixed with certain formulation, produced following beneficial effect: (1) present composition shows fabulous synergistic effect in certain ratio range, the bactericidal effect of composition is significantly improved than single agent, reduced using dosage, dispenser recruitment and the cost of agricultural chemicals simultaneously, also reduced harmful effect and residue of pesticide environment; (2) two kinds of active ingredient mechanism of action differences in the present composition, the application of composition can delay or overcome the pesticide resistance of pathogen, prolongs the service life of single agent; Can double other disease of controlling when (3) present composition is prevented and treated the sac fungi disease.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The present patent application people is in to the research of powdery mildew pesticide resistance, the white powder germ of finding methoxy acrylate series bactericidal agent antagonism triazole type is active high, by further that methoxy acrylate series bactericidal agent and other known farm chemical ingredients is composite, after finding that methoxy acrylate series bactericidal agent and the phonetic phenol of second (or bupirimate or dimethirimol) are composite, powder mildew resistance germ and responsive germ all there is significant synergistic effect.Find that after further study the present composition can be used for preventing and treating the disease on the various plants, especially sac fungi disease, more particularly powdery mildew.
The present composition is an active component with methoxy acrylate series bactericidal agent and the phonetic phenol of second (or bupirimate or dimethirimol), the ratio of weight and number of the phonetic phenol of methoxy acrylate series bactericidal agent and second (or bupirimate or dimethirimol) is at 30: 1～1: 50, more preferably 1: 5～1: 50.All the other are the auxiliary material that allows use in the agricultural chemicals, and the phonetic phenol of active ingredient methoxy acrylate series bactericidal agent and second (or bupirimate or dimethirimol) cumulant is 5～80% of a composition total weight in the preparation.
The present composition can adopt prior art, will contain the former medicine of effective composition methoxy acrylate series bactericidal agent and the phonetic phenol of second (or bupirimate or dimethirimol) and suitable auxiliary material and make upward available any formulation of agricultural; Bactericidal composition provided by the invention can be according to crop, the environmental condition of living in of required control, prevent and treat all kinds of factors such as method, control cost, and preferred formulation is wetting powder, missible oil, microemulsion, suspending agent.
Auxiliary material in the present composition comprises that solvent, dispersant, wetting agent, emulsifier, stabilizing agent, thickener, pH regulator agent, antifreezing agent, excipient, filler and other are of value to the known substance of active ingredient stable and drug effect performance in preparation, select different auxiliary material to be mixed with corresponding formulation as required.Above-mentioned auxiliary material all is the various compositions that permission commonly used in the pesticidal preparations is used, and is not particularly limited.
The processing technology of the various preparations of the present composition adopts known method preparation, is method commonly used in the pesticidal preparations processing technology.
Product described in the invention can the finished product preparation form provide, and promptly each material mixes in the composition, and the composition of composition also can provide with single agent form, directly directly mixes in bucket or jar before the use, is diluted to required concentration then.
Embodiment 1
Former medicine (present specification Central Plains medicine nail oxypropylene bactericide of phosphate (phosphinium) ester and the phonetic phenol of second or bupirimate or dimethirimol below repeat no more), various auxiliary agent and filler etc. are fully mixed, after ultrafine crusher is pulverized, be mixed with wetting powder.For example following prescription:
Kresoxim-methyl 30%
Bupirimate 1%
Lauryl sodium sulfate (surfactant) 2%
White carbon black (filler) 5%
Vinylpyrrolidone (adhesive) 4%
Sodium lignin sulfonate (dispersant) 5%
Attapulgite (filler) complements to 100%.
Adopt the kresoxim-methyl bupirimate wetting powder of present embodiment to prevent and treat the disease experiment, controlling object is an apple mildew, and test site is Yantai, Shandong.Get above-mentioned wetting powder according to 2000 times of dilution sprayings, 7 days control efficiency are 93.42% behind the medicine, and the preventive effect of 2000 times of contrast medicament 30% kresoxim-methyl wetting powders, 500 times of 25% bupirimate missible oil is respectively 84.29%, 75.71%.
Embodiment 2
Former medicine, various auxiliary agent and filler etc. are fully mixed, after ultrafine crusher is pulverized, be mixed with wetting powder.For example following prescription:
Fluoxastrobin 30%
The phonetic phenol 1% of second
The withered powder of tea (surfactant) 5%
Polyvinyl alcohol (dispersing binder) 8%
Sodium lignin sulfonate (dispersant) 9%
Kaolin (filler) complements to 100%.
Adopt the phonetic phenol wetting powder of Fluoxastrobin second of present embodiment to prevent and treat the disease experiment, controlling object is a wheat powdery mildew, and test site is Xinyang, Henan.Get above-mentioned wetting powder according to 2000 times of dilution sprayings, 7 days control efficiency are 94.35% behind the medicine, and the preventive effect of 2000 times of contrast medicament 25% Fluoxastrobin suspending agents, 500 times of the phonetic phenol suspending agents of 25% second is respectively 85.18%, 76.43%.
Embodiment 3
Former medicine, various auxiliary agent and filler etc. are fully mixed, after ultrafine crusher is pulverized, be mixed with wetting powder.For example following prescription:
Alkene oxime amine 30%
Dimethirimol 1%
Lauryl sodium sulfate (surfactant) 2%
White carbon black (filler) 5%
Vinylpyrrolidone (adhesive) 4%
Sodium lignin sulfonate (dispersant) 5%
Bentonite (filler) complements to 100%.
Adopt the alkene oxime amine dimethirimol wetting powder of present embodiment to prevent and treat the disease experiment, controlling object is the dahlia powdery mildew, and test site is the beautiful rule in Bao'an, Shenzhen.Get above-mentioned wetting powder according to 2000 times of dilution sprayings, 7 days control efficiency are 92.51% behind the medicine, and the preventive effect of 2000 times of contrast medicament 25% alkene oxime amine missible oil, 500 times of 25% dimethirimol missible oil is respectively 83.27%, 74.35%.
Embodiment 4
Following ingredients is mixed according to corresponding proportion:
Fluoxastrobin 12.5%
Bupirimate 12.5%
No. 500 (emulsifier) 8% of farming breast
Nongru-700 number (emulsifier) 3%
Ethanol (cosolvent) 8%
Dimethylbenzene (solvent) complements to 100%
Promptly obtain transparence 25% Fluoxastrobin bupirimate missible oil after the dissolving.
Adopt present embodiment Fluoxastrobin bupirimate missible oil to prevent and treat the disease experiment, controlling object is a melon powdery mildew, Zhuhai, test site Guangdong.Get above-mentioned missible oil according to 2000 times of dilution sprayings, 7 days control efficiency are 95.18% behind the medicine, and the preventive effect that 2000 times of contrast medicament 25% Fluoxastrobin suspending agents and 25% bupirimate missible oil are 500 times is respectively 84.32% and 72.45%.
Embodiment 5
Following ingredients is mixed according to corresponding proportion:
Oxime bacterium ester 15%
The phonetic phenol 15% of second
No. 500 (emulsifier) 8% of farming breast
Nongru-700 number (emulsifier) 3%
Ethanol (cosolvent) 8%
Dimethylbenzene (solvent) complements to 100%
Promptly obtain the phonetic phenol missible oil of transparence 30% oxime bacterium ester second after the dissolving.
Adopt the phonetic phenol missible oil of present embodiment oxime bacterium ester second to prevent and treat the disease experiment, controlling object is a wheat powdery mildew, the test site Lantian.Get above-mentioned missible oil according to 2000 times of dilution sprayings, 7 days control efficiency are 93.47% behind the medicine, and the preventive effect that contrast medicament 25% 2000 times of oxime bacterium ester suspending agents and the phonetic phenol missible oil of 25% second are 500 times is respectively 84.32% and 72.45%.
Embodiment 6
Following ingredients is mixed according to corresponding proportion:
Pyraclostrobin 10%
Dimethirimol 10%
No. 500 (emulsifier) 8% of farming breast
Nongru-700 number (emulsifier) 3%
Ethanol (cosolvent) 8%
Dimethylbenzene (solvent) complements to 100%
Promptly obtain transparence 20% pyraclostrobin dimethirimol missible oil after the dissolving.
Adopt present embodiment pyraclostrobin dimethirimol missible oil to prevent and treat the disease experiment, controlling object is the Chinese rose powdery mildew, Kunming, test site Yunnan.Get above-mentioned missible oil according to 2000 times of dilution sprayings, 7 days control efficiency are 92.39% behind the medicine, and the preventive effect that 2000 times of contrast medicament 30% pyraclostrobin wetting powders and 25% dimethirimol missible oil are 500 times is respectively 81.45% and 73.67%.
Embodiment 7
Former medicine is mixed pulverizing with powder carrier, wetting spreader-sticker and binding agent etc.; again after water is mediated; add in the comminutor that the certain specification screen cloth is housed and carry out granulation, and then drying, screening (pressing the screen cloth scope) promptly get SSF 126 bupirimate water-dispersible granules.For example following prescription:
SSF 126 1%
Bupirimate 50%
Lauryl sodium sulfate 4%
Polycarboxylate 8%
Ammonium sulfate 4%
Kaolin complements to 100%
Adopt the SSF 126 bupirimate water-dispersible granules of present embodiment to prevent and treat the disease experiment, controlling object is a grape powdery mildew, and test site is the Changsha.Get above-mentioned water-dispersible granules according to 3000 times of dilution sprayings, 7 days control efficiency are 95.12% behind the medicine, and the preventive effect of 2000 times of contrast medicament 30% SSF 126 wetting powders, 500 times of 25% bupirimate missible oil is respectively 86.43%, 75.32%.
Embodiment 8
Except that prescription, present embodiment and embodiment 7 compound methods are basic identical.It is as follows to fill a prescription:
Kresoxim-methyl 2%
The phonetic phenol 78% of second
Lauryl sodium sulfate 4%
Polycarboxylate 8%
Ammonium sulfate 4%
Bentonite complements to 100%
Adopt the phonetic phenol water-dispersible granules of kresoxim-methyl second of present embodiment to prevent and treat the disease experiment, controlling object is a wheat powdery mildew, and test site is the Ankang.Get above-mentioned water-dispersible granules according to 3000 times of dilution sprayings, 7 days control efficiency are 93.15% behind the medicine, and the preventive effect of 2000 times of contrast medicament 30% kresoxim-methyl wetting powders, 500 times of the phonetic phenol missible oil of 25% second is respectively 84.37%, 76.25%.
Embodiment 9
Except that prescription, present embodiment and embodiment 7 compound methods are basic identical.It is as follows to fill a prescription:
Ether bacterium amine 1.5%
Dimethirimol 45%
Lauryl sodium sulfate 4%
Polycarboxylate 8%
Ammonium sulfate 4%
Attapulgite complements to 100%
Adopt the ether bacterium amine dimethirimol water-dispersible granules of present embodiment to prevent and treat the disease experiment, controlling object is the rose powdery mildew, and test site is Guang Zhouchen village, Guangdong.Get above-mentioned water-dispersible granules according to 3500 times of dilution sprayings, 7 days control efficiency are 94.82% behind the medicine, and the preventive effect of contrast medicament 30% 2000 times of ether bacterium amine wetting powders, 500 times of 25% dimethirimol missible oil is respectively 83.27%, 75.35%.
Embodiment 10
By the prescription requirement, be medium with water, former medicine, dispersant, suspending agent and antifreezing agent etc. are joined in the sand milling still, carry out porphyrize, make suspending agent.It is as follows to fill a prescription:
ZEN 90160 5%
The phonetic phenol 25% of second
Methyl naphthalene sulfonate formaldehyde condensate (dispersant) 6%
Polyoxyethylene nonylphenol ether (surfactant) 3%
Aluminium-magnesium silicate (suspending agent) 0.5%
Ethylene glycol (antifreezing agent) 7%
Tributyl phosphate (defoamer) 2%
Silicone oil (defoamer) 0.2%
Water complements to 100%
Adopt the phonetic phenol suspending agent of ZEN 90160 second of present embodiment to prevent and treat the disease experiment, controlling object is a wheat powdery mildew, and test site is the Baoding.Get above-mentioned suspending agent according to 2000 times of dilution sprayings, 7 days control efficiency are 94.75% behind the medicine, and the preventive effect of 2000 times of contrast medicament 25% ZEN 90160 suspending agents, 500 times of the phonetic phenol missible oil of 25% second is respectively 83.53%, 74.18%.
Embodiment 11
Except that prescription, present embodiment and embodiment 10 compound methods are basic identical.It is as follows to fill a prescription:
Fluoxastrobin 0.5%
Bupirimate 25%
Methyl naphthalene sulfonate formaldehyde condensate (dispersant) 6%
Polyoxyethylene nonylphenol ether (surfactant) 3%
Aluminium-magnesium silicate (suspending agent) 0.5%
Ethylene glycol (antifreezing agent) 7%
Tributyl phosphate (defoamer) 2%
Silicone oil (defoamer) 0.2%
Water complements to 100%
Adopt the Fluoxastrobin bupirimate suspending agent of present embodiment to prevent and treat the disease experiment, controlling object is joint melon powdery mildew, and test site is Zhaoqing, Guangdong.Get above-mentioned suspending agent according to 2000 times of dilution sprayings, 7 days control efficiency are 93.35% behind the medicine, and the preventive effect of 2500 times of contrast medicament 25% Fluoxastrobin suspending agents, 500 times of 25% bupirimate missible oil is respectively 82.46%, 75.51%.
Embodiment 12
Except that prescription, present embodiment and embodiment 10 compound methods are basic identical.It is as follows to fill a prescription:
Alkene oxime amine 0.5%
Dimethirimol 25%
Methyl naphthalene sulfonate formaldehyde condensate (dispersant) 6%
Polyoxyethylene nonylphenol ether (surfactant) 3%
Aluminium-magnesium silicate (suspending agent) 0.5%
Ethylene glycol (antifreezing agent) 7%
Tributyl phosphate (defoamer) 2%
Silicone oil (defoamer) 0.2%
Water complements to 100%
Adopt the alkene oxime amine dimethirimol suspending agent of present embodiment to prevent and treat the disease experiment, controlling object is the tomato powdery mildew, and test site is the Zengcheng, Guangdong.Get above-mentioned suspending agent according to 2000 times of dilution sprayings, 7 days control efficiency are 95.45% behind the medicine, and the preventive effect of 2000 times of contrast medicament 25% alkene oxime amine suspending agents, 500 times of 25% dimethirimol missible oil is respectively 84.52%, 75.71%.
Embodiment 13
Former medicine, solvent, emulsifier etc. are added together, make and be dissolved into even oil phase, be added to the water, stirring is mixed with ZJ0712 bupirimate microemulsion.It is as follows to fill a prescription:
ZJ0712 1%
Bupirimate 10%
Ethanol (solvent) 4%
No. 500 (emulsifier) 2% of farming breast
Soluble starch (emulsifier) 1%
Epoxidized soybean oil (stabilizing agent) 0.5%
Castor oil polyoxyethylene polyethenoxy ether (emulsifier) 0.5%
Water complements to 100%
Adopt the ZJ0712 bupirimate microemulsion of present embodiment to prevent and treat the disease experiment, controlling object is a powdery mildew of strawberry, test site ShenZhen,GuangDong Long Gang, get above-mentioned microemulsion according to 1000 times of dilution sprayings, 7 days control efficiency are 94.19% behind the medicine, and the preventive effect that 1000 times of contrast medicament 10% ZJ0712 suspending agents and 25% bupirimate missible oil are 500 times is respectively 85.28% and 75.36%.
Embodiment 14
Former medicine, solvent, emulsifier etc. are added together, make and be dissolved into even oil phase, be added to the water, stirring is mixed with the phonetic phenol microemulsion of fluoxastrobin second.It is as follows to fill a prescription:
Fluoxastrobin 0.5%
The phonetic phenol 5% of second
Ethanol (solvent) 4%
No. 500 (emulsifier) 2% of farming breast
Soluble starch (emulsifier) 1%
Epoxidized soybean oil (stabilizing agent) 0.5%
Castor oil polyoxyethylene polyethenoxy ether (emulsifier) 0.5%
Water complements to 100%
Adopt the phonetic phenol microemulsion of fluoxastrobin second of present embodiment to prevent and treat the disease experiment, controlling object is a wheat powdery mildew, Luoyang, test site Henan, get above-mentioned microemulsion according to 500 times of dilution sprayings, 7 days control efficiency are 93.28% behind the medicine, and the preventive effect that 1000 times of contrast medicament 10% fluoxastrobin missible oil and the phonetic phenol missible oil of 25% second are 500 times is respectively 83.75% and 74.16%.
Embodiment 15
Former medicine, solvent, emulsifier etc. are added together, make and be dissolved into even oil phase, be added to the water, stirring is mixed with oxime bacterium ester dimethirimol microemulsion.It is as follows to fill a prescription:
Oxime bacterium ester 1%
Dimethirimol 10%
Ethanol (solvent) 4%
No. 500 (emulsifier) 2% of farming breast
Soluble starch (emulsifier) 1%
Epoxidized soybean oil (stabilizing agent) 0.5%
Castor oil polyoxyethylene polyethenoxy ether (emulsifier) 0.5%
Water complements to 100%
Adopt the oxime bacterium ester dimethirimol microemulsion of present embodiment to prevent and treat the disease experiment, controlling object is the tobacco powdery mildew, Yongzhou, test site Hunan, get above-mentioned microemulsion according to 1000 times of dilution sprayings, 7 days control efficiency are 92.17% behind the medicine, and the preventive effect that 1000 times of contrast medicament 12.5% oxime bacterium emulsifiable concentrates and 25% dimethirimol missible oil are 500 times is respectively 83.29% and 75.63%.
Campaign shows that the control efficiency of above-mentioned prescription all is better than single agent kind, significant difference.Show that said composition has excellent synergistic effect, can reduce the formulation rate of agricultural chemicals simultaneously.
Biological activity determination
1, indoor biological activity determination
1.1 the potted plant biological activity determination of powdery mildew of cucumber
Select the potted plant cucumber seedling of growth neat and consistent, cut growing point and keep 2 true leaves, write tag number with marking pen, insert in the potted plant seedling, discharging is for experiment according to the order of sequence.
To try the material 24h that dries in the shade in the greenhouse after the cauline leaf reagent spray is handled, every concentration is handled 5 repetitions, establishes clear water and contrasts.
Conidial suspension (spore concentration 2-3.0 * 10 of inoculation powdery mildew of cucumber bacterium after 24h is handled in spraying
5Individual/ml).With inoculation sprayer (pressure 0.1MPa) even spraying inoculation on the cucumber seedling blade.Postvaccinal examination material moves in the phytotron, keeps 18-25 ℃ of temperature, and backsight blank incidence carried out the classification investigation in five days.
Grade scale:
0 grade of onset area accounts for the ratio 0 of the blade gross area
1 grade of onset area accounts for ratio≤5% of the blade gross area
3 utmost point onset areas account for the ratio 6%-10% of the blade gross area
5 grades of onset areas account for the ratio 11%-20% of the blade gross area
7 grades of onset areas account for the ratio 21%-40% of the blade gross area
9 grades of onset areas account for ratio＞40% of the blade gross area
The drug effect computational methods:
CK1: disease index after the blank dispenser; PT1: disease index after the chemicals treatment dispenser.
With each logarithm value of handling effective ingredient concentration (μ g/ml) is independent variable X, and the probit value that preventive effect changes into is dependent variable Y, uses the expert data DPS of statistical software to handle, concentration EC in calculating the virulence regression equation formula and suppressing
50
Calculate the toxicity index of each medicament and the co-toxicity coefficient of mixture (CTC value) according to the abundant method of Sun Yun, CTC≤80 are antagonism, and 80＜CTC＜120 are summation action, and CTC 〉=120 are synergistic effect.
Toxicity Determination the results are shown in Table 1, table 2, table 3, table 4.From table 1,2,3,4 as can be seen, methoxy acrylate series bactericidal agent such as Fluoxastrobin, kresoxim-methyl, alkene oxime amine, ZJ0712 and bupirimate were mixed between 30: 1～1: 50, and the powdery mildew of cucumber bacterium is all had obvious synergistic effect.
The composite results from pot experiment test of table 1 kresoxim-methyl and bupirimate to powdery mildew of cucumber
| Medicament and proportioning | Concentration EC in the inhibition 50(ug/ml) | Co-toxicity coefficient (CTC) |
| Kresoxim-methyl (A) | 2.35 | / |
| Bupirimate (B) | 9.17 | / |
| A∶B(30∶1) | 1.48 | 162.69 |
| A∶B(20∶1) | 1.52 | 160.28 |
| A∶B(10∶1) | 1.69 | 149.14 |
| A∶B(5∶1) | 1.78 | 150.70 |
| A∶B(1∶1) | 2.15 | 174.01 |
| A∶B(1∶5) | 2.32 | 266.40 |
| A∶B(1∶10) | 2.58 | 281.23 |
| A∶B(1∶20) | 2.75 | 292.97 |
| A∶B(1∶30) | 2.83 | 296.29 |
| A∶B(1∶40) | 3.12 | 274.48 |
| A∶B(1∶50) | 3.36 | 258.22 |
The composite results from pot experiment test of table 2 Fluoxastrobin and bupirimate to powdery mildew of cucumber
| Medicament and proportioning | Concentration EC in the inhibition 50(ug/ml) | Co-toxicity coefficient (CTC) |
| Fluoxastrobin (A) | 3.02 | / |
| Bupirimate (B) | 9.38 | / |
| A∶B(30∶1) | 1.92 | 160.81 |
| A∶B(20∶1) | 2.13 | 146.51 |
| A∶B(10∶1) | 2.27 | 141.78 |
| A∶B(5∶1) | 2.39 | 142.46 |
| A∶B(1∶1) | 2.75 | 166.14 |
| A∶B(1∶5) | 2.82 | 246.21 |
| A∶B(1∶10) | 2.95 | 266.87 |
| A∶B(1∶20) | 3.12 | 273.24 |
| A∶B(1∶30) | 3.27 | 268.60 |
| A∶B(1∶40) | 3.42 | 260.87 |
| A∶B(1∶50) | 3.62 | 248.84 |
The composite results from pot experiment test of table 3 alkene oxime amine and bupirimate to powdery mildew of cucumber
| Medicament and proportioning | Concentration EC in the inhibition 50(ug/ml) | Co-toxicity coefficient (CTC) |
| Alkene oxime amine (A) | 1.85 | / |
| Bupirimate (B) | 9.47 | / |
| A∶B(30∶1) | 1.25 | 151.94 |
| A∶B(20∶1) | 1.32 | 145.74 |
| A∶B(10∶1) | 1.46 | 136.71 |
| A∶B(5∶1) | 1.58 | 135.22 |
| A∶B(1∶1) | 1.75 | 176.88 |
| A∶B(1∶5) | 2.17 | 258.77 |
| A∶B(1∶10) | 2.45 | 281.23 |
| A∶B(1∶20) | 2.72 | 291.07 |
| A∶B(1∶30) | 2.86 | 292.28 |
| A∶B(1∶40) | 3.02 | 284.95 |
| A∶B(1∶50) | 3.18 | 275.54 |
The composite results from pot experiment test of table 4 ZJ0712 and bupirimate to powdery mildew of cucumber
| Medicament and proportioning | Concentration EC in the inhibition 50(ug/ml) | Co-toxicity coefficient (CTC) |
| ZJ0712 (A) | 3.75 | / |
| Bupirimate (B) | 9.89 | / |
| A∶B(30∶1) | 2.63 | 145.49 |
| A∶B(20∶1) | 2.74 | 141.03 |
| A∶B(10∶1) | 2.86 | 138.96 |
| A∶B(5∶1) | 2.97 | 140.84 |
| A∶B(1∶1) | 3.21 | 169.41 |
| A∶B(1∶5) | 3.48 | 223.27 |
| A∶B(1∶10) | 3.52 | 244.56 |
| A∶B(1∶20) | 3.67 | 249.99 |
| A∶B(1∶30) | 3.79 | 247.86 |
| A∶B(1∶40) | 3.91 | 243.23 |
| A∶B(1∶50) | 4.08 | 234.86 |
1.2 the indoor biological activity determination of wheat powdery mildew
Select 3-4 potted plant wheat seedling of leaf phase, write the tag number that each is handled with marking pen, insert in the potted plant seedling, discharging is for experiment according to the order of sequence.
To try the material 24h that dries in the shade in the greenhouse after the blade reagent spray is handled, every concentration is handled 5 repetitions, establishes clear water and contrasts.
After handling 24h, spraying evenly trembles the conidium of powder inoculation wheat powdery mildew.Postvaccinal examination material moves in the phytotron, keeps 18-22 ℃ of temperature, and backsight blank incidence carried out the classification investigation in five days.
Grade scale:
0 grade of onset area accounts for the ratio 0 of the blade gross area
1 grade of onset area accounts for ratio≤5% of the blade gross area
3 utmost point onset areas account for the ratio 6%-10% of the blade gross area
5 grades of onset areas account for the ratio 11%-20% of the blade gross area
7 grades of onset areas account for the ratio 21%-40% of the blade gross area
9 grades of onset areas account for ratio＞40% of the blade gross area
The drug effect computational methods:
CK1: disease index after the blank dispenser; PT1: disease index after the chemicals treatment dispenser.
With each logarithm value of handling effective ingredient concentration (μ g/ml) is independent variable X, and the probit value that inhibiting rate changes into is dependent variable Y, uses the expert data DPS of statistical software to handle, and obtains concentration EC in virulence regression equation formula and the inhibition
50
Calculate the toxicity index of each medicament and the co-toxicity coefficient of mixture (CTC value) according to the abundant method of Sun Yun, CTC≤80 are antagonism, and 80＜CTC＜120 are summation action, and CTC 〉=120 are synergistic effect.
From table 5,6,7,8 as can be seen, methoxy acrylate series bactericidal agent such as kresoxim-methyl, Fluoxastrobin, alkene oxime amine, oxime bacterium ester and the phonetic phenol of second were mixed between 30: 1～1: 50, and wheat powdery mildew is all had obvious synergistic effect.
The composite Toxicity Determination result of the phonetic phenol of table 5 kresoxim-methyl and second to wheat powdery mildew
| Medicament and proportioning | Concentration EC in the inhibition 50(ug/ml) | Co-toxicity coefficient (CTC) |
| Kresoxim-methyl (A) | 1.75 | / |
| The phonetic phenol of second (B) | 8.32 | / |
| A∶B(30∶1) | 1.18 | 152.18 |
| A∶B(20∶1) | 1.29 | 140.96 |
| A∶B(10∶1) | 1.37 | 137.62 |
| A∶B(5∶1) | 1.46 | 138.03 |
| A∶B(1∶1) | 1.68 | 172.13 |
| A∶B(1∶5) | 1.85 | 276.64 |
| A∶B(1∶10) | 2.15 | 288.51 |
| A∶B(1∶20) | 2.31 | 305.55 |
| A∶B(1∶30) | 2.45 | 302.91 |
| A∶B(1∶40) | 2.57 | 296.58 |
| A∶B(1∶50) | 2.78 | 278.76 |
The composite Toxicity Determination result of the phonetic phenol of table 6 Fluoxastrobin and second to wheat powdery mildew
| Medicament and proportioning | Concentration EC in the inhibition 50(ug/ml) | Co-toxicity coefficient (CTC) |
| Fluoxastrobin (A) | 2.51 | / |
| The phonetic phenol of second (B) | 8.47 | / |
| A∶B(30∶1) | 1.68 | 152.87 |
| A∶B(20∶1) | 1.75 | 11448.40 |
| A∶B(10∶1) | 1.89 | 141.88 |
| A∶B(5∶1) | 1.96 | 145.08 |
| A∶B(1∶1) | 2.35 | 164.78 |
| A∶B(1∶5) | 2.57 | 236.13 |
| A∶B(1∶10) | 2.63 | 264.87 |
| A∶B(1∶20) | 2.78 | 273.73 |
| A∶B(1∶30) | 2.89 | 272.23 |
| A∶B(1∶40) | 2.98 | 268.67 |
| A∶B(1∶50) | 3.15 | 256.93 |
The composite Toxicity Determination result of the phonetic phenol of table 7 alkene oxime amine and second to wheat powdery mildew
| Medicament and proportioning | Concentration EC in the inhibition 50(ug/ml) | Co-toxicity coefficient (CTC) |
| Alkene oxime amine (A) | 1.02 | / |
| The phonetic phenol of second (B) | 8.39 | / |
| A∶B(30∶1) | 0.65 | 161.49 |
| A∶B(20∶1) | 0.72 | 147.85 |
| A∶B(10∶1) | 0.81 | 136.85 |
| A∶B(5∶1) | 0.95 | 125.78 |
| A∶B(1∶1) | 1.07 | 169.99 |
| A∶B(1∶5) | 1.38 | 275.82 |
| A∶B(1∶10) | 1.78 | 284.48 |
| A∶B(1∶20) | 1.85 | 337.42 |
| A∶B(1∶30) | 2.12 | 320.95 |
| A∶B(1∶40) | 2.25 | 317.02 |
| A∶B(1∶50) | 2.38 | 308.77 |
The composite Toxicity Determination result of table 8 oxime bacterium ester and the phonetic phenol of second to wheat powdery mildew
| Medicament and proportioning | Concentration EC in the inhibition 50(ug/ml) | Co-toxicity coefficient (CTC) |
| Oxime bacterium ester (A) | 3.05 | / |
| The phonetic phenol of second (B) | 8.72 | / |
| A∶B(30∶1) | 2.18 | 142.91 |
| A∶B(20∶1) | 2.25 | 139.89 |
| A∶B(10∶1) | 2.37 | 136.78 |
| A∶B(5∶1) | 2.48 | 137.93 |
| A∶B(1∶1) | 2.67 | 169.26 |
| A∶B(1∶5) | 2.79 | 238.61 |
| A∶B(1∶10) | 2.88 | 259.01 |
| A∶B(1∶20) | 2.97 | 269.73 |
| A∶B(1∶30) | 3.25 | 253.13 |
| A∶B(1∶40) | 3.43 | 243.20 |
| A∶B(1∶50) | 3.76 | 223.76 |
1.3 the potted plant biological activity determination of flowers powdery mildew (rose Sphaerotheca)
Select not send out the potted plant Chinese rose of powdery mildew, write tag number with marking pen, insert in the potted plant seedling, discharging is for experiment according to the order of sequence.
To try the material 24h that dries in the shade in the greenhouse after the cauline leaf reagent spray is handled, every concentration is handled 5 repetitions, establishes clear water and contrasts.
Conidial suspension (spore concentration 2-3.0 * 10 of inoculation flowers white powder germs (rose Sphaerotheca) after 24h is handled in spraying
5Individual/ml).With inoculation sprayer (pressure 0.1MPa) even spraying inoculation on blade.Postvaccinal examination material moves in the phytotron, keeps 18-25 ℃ of temperature, and backsight blank incidence carried out the classification investigation in five days.
Grade scale:
0 grade of onset area accounts for the ratio 0 of the blade gross area
1 grade of onset area accounts for ratio≤5% of the blade gross area
3 utmost point onset areas account for the ratio 6%-10% of the blade gross area
5 grades of onset areas account for the ratio 11%-20% of the blade gross area
7 grades of onset areas account for the ratio 21%-40% of the blade gross area
9 grades of onset areas account for ratio＞40% of the blade gross area
The drug effect computational methods:
CK1: disease index after the blank dispenser; PT1: disease index after the chemicals treatment dispenser.
With each logarithm value of handling effective ingredient concentration (μ g/ml) is independent variable X, and the probit value that preventive effect changes into is dependent variable Y, uses the expert data DPS of statistical software to handle, concentration EC in calculating the virulence regression equation formula and suppressing
50
Calculate the toxicity index of each medicament and the co-toxicity coefficient of mixture (CTC value) according to the abundant method of Sun Yun, CTC≤80 are antagonism, and 80＜CTC＜120 are summation action, and CTC 〉=120 are synergistic effect.
Toxicity Determination the results are shown in Table 9, table 10, table 11, table 12.As can be seen, methoxy acrylate series bactericidal agent such as Fluoxastrobin, kresoxim-methyl, alkene oxime amine, pyraclostrobin and dimethirimol were mixed between 30: 1～1: 50, and flowers white powder germ is all had obvious synergistic effect.
The composite results from pot experiment test of table 9 kresoxim-methyl and dimethirimol to flowers white powder germ
| Medicament and proportioning | Concentration EC in the inhibition 50(ug/ml) | Co-toxicity coefficient (CTC) |
| Kresoxim-methyl (A) | 3.45 | / |
| Dimethirimol (B) | 11.72 | / |
| A∶B(30∶1) | 2.38 | 148.33 |
| A∶B(20∶1) | 2.49 | 143.37 |
| A∶B(10∶1) | 2.57 | 143.44 |
| A∶B(5∶1) | 2.69 | 145.35 |
| A∶B(1∶1) | 2.86 | 186.39 |
| A∶B(1∶5) | 3.12 | 268.41 |
| A∶B(1∶10) | 3.27 | 294.28 |
| A∶B(1∶20) | 3.48 | 302.28 |
| A∶B(1∶30) | 3.62 | 300.52 |
| A∶B(1∶40) | 3.78 | 292.93 |
| A∶B(1∶50) | 3.85 | 290.75 |
The composite results from pot experiment test of table 10 Fluoxastrobin and dimethirimol to flowers white powder germ
| Medicament and proportioning | Concentration EC in the inhibition 50(ug/ml) | Co-toxicity coefficient (CTC) |
| Fluoxastrobin (A) | 4.83 | / |
| Dimethirimol (B) | 11.57 | / |
| A∶B(30∶1) | 3.32 | 148.27 |
| A∶B(20∶1) | 3.48 | 142.75 |
| A∶B(10∶1) | 3.57 | 142.86 |
| A∶B(5∶1) | 3.68 | 145.36 |
| A∶B(1∶1) | 3.92 | 173.85 |
| A∶B(1∶5) | 4.15 | 226.19 |
| A∶B(1∶10) | 4.28 | 239.89 |
| A∶B(1∶20) | 4.39 | 247.13 |
| A∶B(1∶30) | 4.52 | 244.95 |
| A∶B(1∶40) | 4.67 | 239.59 |
| A∶B(1∶50) | 4.85 | 232.20 |
The composite results from pot experiment test of table 11 alkene oxime amine and dimethirimol to flowers white powder germ
| Medicament and proportioning | Concentration EC in the inhibition 50(ug/ml) | Co-toxicity coefficient (CTC) |
| Alkene oxime amine (A) | 2.13 | / |
| Dimethirimol (B) | 11.09 | / |
| A∶B(30∶1) | 1.43 | 152.94 |
| A∶B(20∶1) | 1.52 | 145.74 |
| A∶B(10∶1) | 1.65 | 139.32 |
| A∶B(5∶1) | 1.78 | 138.28 |
| A∶B(1∶1) | 1.95 | 183.26 |
| A∶B(1∶5) | 2.35 | 277.42 |
| A∶B(1∶10) | 2.57 | 312.15 |
| A∶B(1∶20) | 2.69 | 343.47 |
| A∶B(1∶30) | 2.95 | 331.01 |
| A∶B(1∶40) | 3.28 | 306.65 |
| A∶B(1∶50) | 3.45 | 296.96 |
The composite results from pot experiment test of table 12 pyraclostrobin and dimethirimol to flowers white powder germ
| Medicament and proportioning | Concentration EC in the inhibition 50(ug/ml) | Co-toxicity coefficient (CTC) |
| Pyraclostrobin (A) | 4.75 | / |
| Dimethirimol (B) | 11.48 | / |
| A∶B(30∶1) | 3.23 | 149.89 |
| A∶B(20∶1) | 3.45 | 141.64 |
| A∶B(10∶1) | 3.57 | 140.54 |
| A∶B(5∶1) | 3.69 | 142.66 |
| A∶B(1∶1) | 3.85 | 174.54 |
| A∶B(1∶5) | 4.05 | 229.31 |
| A∶B(1∶10) | 4.17 | 243.88 |
| A∶B(1∶20) | 4.32 | 248.94 |
| A∶B(1∶30) | 4.58 | 239.69 |
| A∶B(1∶40) | 4.69 | 236.59 |
| A∶B(1∶50) | 4.81 | 232.22 |
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1, a kind of composition pesticide is characterized in that, active component wherein is A (methoxy acrylate series bactericidal agent) and B (the phonetic phenol of second or bupirimate or dimethirimol).
2, composition pesticide according to claim 1 is characterized in that, the ratio of weight and number of described methoxy acrylate series bactericidal agent and the phonetic phenol of second (or bupirimate or dimethirimol) is 30: 1～1: 50.
3, composition pesticide according to claim 2 is characterized in that, described methoxy acrylate series bactericidal agent and the phonetic phenol of second (or bupirimate or dimethirimol) ratio of weight and number are 1: 5～1: 50.
According to each described composition pesticide of claim 1 to 3, it is characterized in that 4, described combination dosage form is any one formulation that allows on the agricultural chemicals.
5, composition pesticide according to claim 4 is characterized in that, described combination dosage form is wetting powder, water-dispersible granules, missible oil, microemulsion, suspending agent.
6, composition pesticide according to claim 1 is characterized in that, described methoxy acrylate series bactericidal agent and the phonetic phenol of second (or bupirimate or dimethirimol) cumulant are 5～80% of composition total weight.
7, the application of the composition pesticide described in the claim 1 on the control agricultural disease.
8, the application of the composition pesticide described in the claim 1 in control Ascomycotina disease fungus.
9, the application of the composition pesticide described in the claim 1 in diseases such as each fruit trees powdery mildew of control, vegetables powdery mildew, cereal class powdery mildew, flowers powdery mildew.
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| CN101984818A (en) * | 2010-08-06 | 2011-03-16 | 东莞市瑞德丰生物科技有限公司 | Germicide composition |
| CN102258026A (en) * | 2011-08-18 | 2011-11-30 | 陕西先农生物科技有限公司 | Bupirimate and kresoxim-methyl germicide composition |
| CN102308825A (en) * | 2011-10-13 | 2012-01-11 | 海利尔药业集团股份有限公司 | Germicide composition in combination with bupirimate |
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| CN103329904A (en) * | 2013-07-26 | 2013-10-02 | 崔淑华 | Sterilization composition containing bupirimate and ningnanmycin as well as application of sterilization composition |
| CN103329904B (en) * | 2013-07-26 | 2014-11-05 | 崔淑华 | Sterilization composition containing bupirimate and ningnanmycin as well as application of sterilization composition |
| CN105248422A (en) * | 2015-11-18 | 2016-01-20 | 青岛瀚生生物科技股份有限公司 | Anti-fungal composition containing amylmetacresol methyl ether and trifloxystrobin and application thereof |
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Application publication date: 20091209 |