CN109645112A - A kind of bactericidal composition and its application of probenazole-containing and procymidone - Google Patents

A kind of bactericidal composition and its application of probenazole-containing and procymidone Download PDF

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CN109645112A
CN109645112A CN201910122374.3A CN201910122374A CN109645112A CN 109645112 A CN109645112 A CN 109645112A CN 201910122374 A CN201910122374 A CN 201910122374A CN 109645112 A CN109645112 A CN 109645112A
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procymidone
probenazole
bactericidal composition
agent
dosage form
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范昆
付丽
金岩
曲健禄
张国福
武海斌
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Shandong Institute of Pomology
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Shandong Institute of Pomology
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00Preservation or chemical ripening of fruit or vegetables
    • A23B7/14Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
    • A23B7/153Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of liquids or solids
    • A23B7/154Organic compounds; Microorganisms; Enzymes
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention discloses the bactericidal composition of a kind of probenazole-containing and procymidone, effective component is probenazole and procymidone, and the weight ratio of probenazole and procymidone is 15:1~1:10, preferably 10:1~1:5, further preferred 5:1~1:3, still further preferably 3:1~1:2.Can also containing allow in Pesticide Science using with acceptable auxiliary material.Dosage form can be wettable powder, suspending agent, aqueous emulsion, water dispersible granules, microemulsion.The application of bactericidal composition of the invention in prevention and treatment fruit, vegetable storage phase disease, the disease are selected from gray mold, anthracnose, ring spot, penicilliosis.Bactericidal composition of the invention, effective component probenazole, the mechanism of action of procymidone are entirely different, compounding has obvious synergistic function, can be improved to the pathogen of Botrytis cinerea, Target spot pathogen, anthrax bacteria bactericidal activity, delay the generation of fungicide resistance, keep the corrosion-resistanting fresh-keeping effect of fruit and vegetable food more significant, improves the economic value of fruit and vegetable food.

Description

A kind of bactericidal composition and its application of probenazole-containing and procymidone
Technical field
The present invention relates to the bactericidal compositions of a kind of probenazole-containing and procymidone, and its in prevention and treatment fruit, vegetable storage phase Application in disease belongs to pesticide control technical field.
Background technique
Fresh agricultural products storage logistics is the continuity of agricultural production, keeps its excellent quality and freshness is people's pursuit One of important goal, postharvest decay is rotten must to be solved the problems, such as during fresh agricultural products storage, logistics transportation.According to system Meter, the loss late in developed country's veterinary antibiotics product transporting procedures less than 5%, and the annual loss late in China be up to 25%~ 30%.The pathogen of Botrytis cinerea (Botrytis cinerea), anthrax bacteria (Colletotrichum gloeosporiorides) are Cause the important pathogen that postharvest fruit and vegetable rots, grape, strawberry, peach, apple, pears, tomato, cucumber, eggplant, fragrant-flowered garlic can be endangered The various fruits such as dish, vegetables not only cause to seriously endanger and the important disease of storage period in fruits and vegetables growth period.
Prevented and treated in production the pathogen of Botrytis cinerea, the common chemical bactericide of anthrax bacteria have carbendazim, iprodione, pyrimethanil, Prochloraz etc., but the pathogen of Botrytis cinerea, anthrax bacteria have the characteristics that breeding is fast, hereditary variation is big, grade of fit is high, and continuous use is same One medicament is also easy to produce drug resistance, brings extreme difficulties to prevention and treatment, only controls fruits and vegetables by increasing dosing or times for spraying and produces Product rot, and are either unfavorable for improving anti-corrosion effect still to guarantee fruits and vegetables quality all.Meanwhile as people are to food The residual toxicity of the concern of product safety problem, fungicide is increasingly taken seriously, and it is few to find safer, wide spectrum, dosage Germ killing drugs combination, reduces the usage amount of chemical bactericide, delays the generation of drug resistance, be current postharvest fruit and vegetable anti-corrosive fresh-keeping Research hotspot and the technical problem to be solved in the present invention.
Probenazole, belongs to benzimidazoles fungicide, and mechanism of action is the tubulin inhibited during fungi mitosis Formed, the lasting period is long, for prevent and treat crops, the industrial crops various diseases as caused by sac fungus, basidiomycetes and Fungi Imperfecti and Antiseptic preservation of fruits and vegetables, be it is a kind of efficiently, wide spectrum, in the world general fungicide.
Procymidone belongs to hypotoxicity fungicide, entitled N- (3,5- dichlorophenyl) -1, the 2- dimethylcyclopropane-of chemistry 1,2- diformyl imines mainly acts on cell membrane suppression for protectiveness and curative fungicide agent with certain systemic action The synthesis of triglycerides in thallus processed hinders normal cell wall synthesis in mycelia top to inhibit the development of mycelia.To Botrytis and Sclerotinia fungi has good result, can prevent and treat fruit tree, the gray mold of vegetable crop, sclerotiniose, generates resistance to benzimidazole Fungi it is also effective.
Probenazole or procymidone is used alone to be prevented and be controlled fruit, vegetable storage phase gray mold, anthracnose, wheel Line disease, penicilliosis effect are undesirable.Currently, there is not yet the relevant report that procymidone is compounded with probenazole.
Summary of the invention
For the above-mentioned prior art, the present invention provides the bactericidal compositions of a kind of probenazole-containing and procymidone, and its Application in prevention and treatment fruit, vegetable storage phase disease (especially gray mold, anthracnose, ring spot, penicilliosis).
The present invention is achieved by the following technical solutions:
A kind of bactericidal composition of probenazole-containing and procymidone, effective component are probenazole and procymidone, probenazole and rotten The weight ratio of mould benefit is 15:1~1:10, preferably 10:1~1:5, further preferred 5:1~1:3, still further preferably 3:1~1: 2。
Further, in the bactericidal composition of the probenazole-containing and procymidone, can containing allow in Pesticide Science using With acceptable auxiliary material.
Further, the bactericidal composition of the probenazole-containing and procymidone is grouped as by the group of following parts by weight: thiophene Bacterium spirit 1%~80%, procymidone 1%~80%, surplus be Pesticide Science in allow using with acceptable auxiliary material.
Allow to be selected from solvent, dispersing agent, diffusant, disintegrating agent, cream using with acceptable auxiliary material in the Pesticide Science Agent, adsorbent, stabilizer, wetting agent, defoaming agent, antifreeze etc. or other stabilizations for facilitating effective component drug effect and hair That waves allows using auxiliary agent.
The bactericidal composition of the probenazole-containing and procymidone can be prepared into processing method well known in the prior art Any one dosage form that suitable agricultural production uses, preferred dosage form are as follows: wettable powder, suspending agent, aqueous emulsion, water-dispersible grain Agent, microemulsion.
The bactericidal composition of probenazole-containing and procymidone of the invention, answering in prevention and treatment fruit, vegetable storage phase disease With.The disease is selected from gray mold, anthracnose, ring spot, penicilliosis.
Further, when preventing and treating the pathogen of Botrytis cinerea, the weight ratio of probenazole and both procymidones is with 10:1~1:3 Good, more preferably, 1:1 is best by 2:1~1:1;When preventing and treating Botryosphaeria berengeriana f. sp, the weight ratio of both probenazole and procymidone is with 5:1 ~1:3 is preferred, and more preferably, 3:1 is best by 3:1~1:1;When preventing and treating apple anthrax bacteria, the weight of both probenazole and procymidone Than being preferred with 5:1~1:5, more preferably, 1:1 is best by 2:1~1:2.
The bactericidal composition of probenazole-containing and procymidone of the invention can be provided in the form of finished product preparation, can also be with single dose Form provides, and using preceding direct mixing, is then watered mixing and is made into required concentration, dipping or spray before water fruits and vegetables enter freezer Mist is put in storage after drying.
The bactericidal composition of probenazole-containing and procymidone of the invention, the mechanism of action of effective component probenazole, procymidone Entirely different, procymidone and probenazole (are used in combination by test, screen the basis with field trial indoors by inventor On, the anti-corrosion effect to storage period gray mold, anthracnose, ring spot, penicilliosis is measured, there is apparent synergistic effect) discovery, Probenazole is compounded with procymidone, has the advantage that (1) apparent synergistic function, the composition improves thiophene Bacterium spirit to the pathogen of Botrytis cinerea, Target spot pathogen, anthrax bacteria bactericidal activity;(2) reduce the usage amount of chemical bactericide and make With number, use cost is reduced, the quality safety of food can be improved;(3) drug combination of different role mechanism uses, and can prolong The generation of slow fungicide resistance;(4) corrosion-resistanting fresh-keeping effect of fruit and vegetable food is more significant, substantially prolongs the goods of fruit and vegetable food The frame phase improves the economic value of fruit and vegetable food.
The various terms and phrase that the present invention uses are with well known to a person skilled in the art general senses.The term referred to With phrase if any meaning inconsistent with common art-recognized meanings, that the present invention of being subject to is stated.
Detailed description of the invention
The pharmacodynamic results of Fig. 1: 30% probenazole procymidone microemulsion prevention and treatment storage period apple anthracnose.
Specific embodiment
Below with reference to embodiment, the present invention is further illustrated.However, the scope of the present invention is not limited to following realities Apply example.One of skill in the art, can be to the present invention it is understood that under the premise of without departing substantially from the spirit and scope of the present invention Carry out various change and modification.
The present invention carries out general and/or specific description to the material and test method arrived used in test.Though So many materials and operating method used in purpose are it is known in the art that still the present invention is still herein to realize the present invention It is described in detail as far as possible.
Instrument involved in following embodiments, reagent, material etc. are unless otherwise noted existing in the prior art Conventional instrument, reagent, material etc., can be obtained by regular commercial sources.Experimental method involved in following embodiments, inspection Survey method etc. is unless otherwise noted existing routine experiment method in the prior art, detection method etc..
Experiment probenazole is compounded with procymidone studies (indoor toxicity test) to the preventive and therapeutic effect of disease
One, reagent agent: probenazole, procymidone raw medicine.By probenazole, procymidone raw medicine acetone solution, and it is made into Emulsifier Tween-80 is added with 0.2% volume fraction in the mother liquor of 10000 μ g/mL, stores in refrigerator spare at 4 DEG C, makes Used time is diluted to debita spissitudo with sterile water.
Two, for trying pathogen: Pathogen Botrytis cinerea Pers. ex of Garlic Sprout (Botrytis cinerea), Botryosphaeria berengeriana f. sp (Botryosphaeria dothidea), apple anthrax bacteria (Colletotrichum gloeosporiorides).
Three, indoor toxicity test method: using mycelial growth rate method to probenazole, procymidone and the two different ratio group It closes and carries out toxicity test, and calculate co-toxicity coefficient (CTC).
Single agent virulence determination method: reagent agent (including probenazole, procymidone) is first configured to 5 concentration gradient (thiophenes Bacterium spirit: 4.0,2.0,1.0,0.5,0.25mg/kg;Procymidone: 10.0,5.0,2.5,1.25,0.625mg/kg), by pathogen In 26 DEG C of preculture 3d in PDA culture medium, is beaten on the same circumference close to colony edge with the punch of diameter 7mm and take bacterium Cake is inoculated on the culture medium flat plate containing different agents concentration, and every ware is a piece of, is placed in 26 DEG C of insulating boxs and is cultivated 3d, with ten Word interior extrapolation method measures the colony growth diameter of each processing, is control with clear water, and every concentration processing is repeated 4 times.It is radial to measure bacterium colony Linear growth amount determines the inhibiting rate that medicament grows bacterium colony.Pass through mycelia growth inhibition probability value and drug concentration logarithm Between linear regression analysis, find out each medicament to bacterial strain it is effective inhibition in concentration (EC50Value).
Mixture joint toxicity measuring: it on the basis of single dose toxicity test, will be pressed respectively for the probenazole of mixture, procymidone Its EC50Example is respectively set 15:1,10:1,5:1,3:1,2:1,1:1,1:2,1:3,1:5,1:10 totally 10 to value dosage by volume Proportion, by different ratio be configured to final mass concentration be 2.0,1.0,0.5,0.25,0.125mg/kg 5 series of concentrations Drug containing PDA culture medium, the inhibiting rate that measurement medicament grows mycelia.Every processing (every every concentration level of bacterial strain) is repeated 4 times.Pass through Linear regression analysis between mycelia growth inhibition probability value and drug concentration logarithm finds out Mixed Pharmacy to the effective of bacterial strain Concentration EC in inhibition50Value and CTC value, using the PDA culture medium of not adding medicine as control.
Four, data statistic analysis
Test data is for statistical analysis by Microsoft Excel 2013, DPS data processing work platform, calculates The EC of every kind of medicament out50Value, 95% confidence limit.The co-toxicity coefficient that mixed agent is calculated using Sun Yunpei's Method (1960), according to total poison The synergistic effect of coefficient magnitude evaluation mixed agent.
Each medicament inhibiting rate is calculated according to the following formula:
Inhibit growth rate (%)=[(control antibacterial circle diameter-processing antibacterial circle diameter)/(control antibacterial circle diameter -5mm Punch diameter)] × 100;
Inhibit growth rate (%)=[(control colony diameter-processing colony diameter)/(control colony diameter-bacteria cake diameter)] ×100;
Toxicity index TI=(standard agent EC50/ reagent agent EC50)×100;
Mixed agent actual toxicity index ATI=(standard agent EC50/ mixture preparation EC50)×100;
(PA and PB are respectively mixed agent to TI × PB of TI × PA+ single dose B of mixed agent theoretical toxicity index TTI=single dose A The percentage composition of middle effective component);
Theoretical toxicity index TTI × 100 of the actual toxicity index ATI/ mixed agent of co-toxicity coefficient CTC=mixed agent;
Synergistic effect judgement: CTC >=120 have synergistic effect;80 < CTC < 120 are summation action;CTC≤80 are Antagonism.
Five, result and analysis: as shown in Table 1 to Table 3.
1 probenazole of table is with procymidone different proportion mixture to the toxicity test result of the pathogen of Botrytis cinerea
Seen from table 1, probenazole, procymidone and its mixture preparation have good inhibiting effect to the pathogen of Botrytis cinerea, When the proportion of middle probenazole and procymidone is between 10:1~1:3, to the co-toxicity coefficient for trying pathogen 120 or more, table Both bright compositions have good synergistic function under this proportion, and especially proportion is between 5:1~1:3, EC50Value The EC being used alone significantly lower than probenazole and procymidone50Value, mixture preparation significantly propose the inhibitory activity of the pathogen of Botrytis cinerea Height, for co-toxicity coefficient (CTC) value up to 141.18~249.60, synergistic effect is more significant.
2 probenazole of table is with procymidone different proportion mixture to the toxicity test result of Botryosphaeria berengeriana f. sp
As can be seen from Table 2, probenazole, procymidone and its mixture preparation, have good inhibiting effect to Botryosphaeria berengeriana f. sp, When wherein the proportion of probenazole and procymidone is between 5:1~1:3, to the co-toxicity coefficient for trying pathogen 120 or more, table Both bright compositions have good synergistic function under this proportion, and especially proportion is between 3:1~1:1, mixture The EC of preparation50The EC that value is used alone significantly lower than probenazole and procymidone50Value, co-toxicity coefficient (CTC) value up to 156.82~ 197.51 synergistic effect is more significant.
3 probenazole of table is with procymidone different proportion mixture to the toxicity test result of apple anthrax bacteria
Seen from table 3, probenazole, procymidone and its mixture preparation have good inhibiting effect to apple anthrax bacteria, When wherein the proportion of probenazole and procymidone is between 5:1~1:5, to the co-toxicity coefficient for trying pathogen 120 or more, table Both bright compositions have good synergistic function under this proportion, and especially proportion is between 5:1~1:2, mixture The EC of preparation50The EC that value is used alone significantly lower than probenazole and procymidone50Value, co-toxicity coefficient (CTC) value up to 150.68~ 218.13 synergistic effect is more significant.
1 21% probenazole procymidone aqueous emulsion of embodiment
Group is grouped as following (each component is by weight percentage):
The preparation method comprises the following steps: above-mentioned each active constituent, various auxiliary agents are sufficiently mixed in proportion, make to be dissolved into homogeneous oil phase, Under high-speed stirred, oil is mutually mixed with water, obtains 21% probenazole procymidone aqueous emulsion.
2 18% probenazole procymidone water dispersible granules of embodiment
Group is grouped as following (each component is by weight percentage):
The preparation method comprises the following steps: above-mentioned each active constituent, lignosulfonates, wetting agent, disintegrating agent, filler is abundant in proportion Mixing, be crushed to 5 μm of partial size through airslide disintegrating mill, obtain female powder, by female powder with alkylphenol-polyethenoxy is phonetic be sufficiently mixed after be granulated, Drying, sieving, so that 18% probenazole procymidone water dispersible granules be made.
3 30% probenazole procymidone suspending agent of embodiment
Group is grouped as following (each component is by weight percentage):
The preparation method comprises the following steps: above-mentioned each active constituent, various auxiliary agents and water are sufficiently mixed uniformly in proportion, investment is sanded Machine is ground to 5 μm of partial size, and 30% probenazole procymidone suspending agent is made.
4 40% probenazole procymidone wettable powder of embodiment
Group is grouped as following (each component is by weight percentage):
The preparation method comprises the following steps: above-mentioned each active constituent, various auxiliary agents and filler are sufficiently mixed uniformly in proportion, mixture warp 40% probenazole procymidone wettable powder is made in ultra-fine pulverizer disintegrating.
5 30% probenazole procymidone microemulsion of embodiment
Group is grouped as following (each component is by weight percentage):
The preparation method comprises the following steps: above-mentioned each active constituent, various auxiliary agents are sufficiently mixed in proportion, make to be dissolved into homogeneous oil phase, Under high-speed stirred, oil is mutually mixed with water, obtains 30% probenazole procymidone microemulsion.
Application example 1:30% probenazole procymidone microemulsion prevents and treats the research of storage period apple anthracnose
On October 22nd, 2017, kind was Fuji in the Qufu City Wu villages and small towns apple orchard Wu Cun, and selection nothing is rotted, without machinery wound Apple carry out leaching fruit test.Apple is immersed respectively each chemicals treatment (30% 1000 times of probenazole procymidone microemulsion, 750 times, 500 times;50% 600 times of carbendazol wettable powder;43% 1500 times of tebuconazole suspension concentrates) and clear water control in (30% probenazole procymidone microemulsion is prepared by embodiment 5), leaching fruit time are 30s, are subsequently placed in place mat under the tree of field It dries in the shade in sterilizing filter paper.It then transports Shandong Fruit-tree Inst. back, is pre-chilled for 24 hours, often in freezer (1.0 ± 1.0 DEG C of temperature) 4 repetitions are handled, 50 apples of every repetition are put into PE freshness protection package, and being then neatly put into can have enough to meet the need in plastics fruit packing case, One repetition of every case, totally 192 case, is finally putting into freezer (1.0 ± 1.0 DEG C of temperature) and is stored.15d, 30d after storage, A case is taken out in each repetition of 45d, 60d respectively, carries out fruit rotting rate investigation.Processing method is same as above under 20 DEG C of room temperature.
Drug effect statistical analysis technique: pharmacy control efficacy is calculated according to the following formula;It is poor that the new multipole of Duncan is carried out using DPS software Examine its otherness (P≤0.05).
a.
b.
As a result as shown in table 4 (Fig. 1) (note: in table 4,5, each extension rate refers to quality multiple for solid dosage forms, For liquid dosage form, refer to volume multiple).
The pharmacodynamic results of 4 30% probenazole procymidone microemulsion of table prevention and treatment storage period apple anthracnose
As shown in Table 4, after fruit processing is soaked after 30% 750 times of probenazole procymidone microemulsion, 500 times are adopted, item is refrigerated Rotting rate under part when Apples 60d is substantially less than 600 times of 50% carbendazol wettable powder of comparison medicament, 43% Tebuconazole The rotting rate that 1500 times of suspending agent is significantly better than other each processing to the control efficiency of apple anthracnose.Under room temperature, 25d When investigation, 30% 1000 times of probenazole procymidone microemulsion, 750 times, 500 times of processing it is aobvious to the control efficiency of apple anthracnose It writes better than other each processing.Therefore, 30% probenazole procymidone microemulsion leaching fruit processing apple, inhibits in storage after adopting The generation of apple anthrax bacteria improves the commodity value of fruit to extend storage period.
Application example 2:30% probenazole procymidone suspending agent prevents and treats the gray mold research of storage period garlic stems
On May 4th, 2017 is tested in Jinxiang County town Yu Shan dedicated freezer of peasant household's garlic stems.Before garlic stems harvesting storage, in 800 times of 30% probenazole procymidone suspending agent (preparation of embodiment 3), 600 times, 400 times, 25% 250 times of prochloraz aqueous emulsion, Dipping garlic stems tongue fur tip 30s in clear water control, is put in storage storage after draining away the water.After garlic stems is cooled to -0.3 DEG C ± 0.2 DEG C in advance, it is packed into Silicon window bag storage, the normal freezer management together with other garlic stems.The experimental observation phase is 240 days.4 repetitions of each processing, each Repeat 2 bags (every bag of about 19kg garlic stems).Garlic stems rotting rate, the tongue fur tip are investigated respectively at 90d, 120d, 150d, 180d, 210d, 240d The indices such as color.
a.
b.
The results are shown in Table 5.
The pharmacodynamic test result of 5 30% probenazole procymidone suspending agent of table prevention and treatment garlic stems gray mold
As shown in Table 5, after slightly processing is soaked after 800 times, 600 times, 400 times of 30% probenazole procymidone suspending agent are adopted, Garlic stems stores 240d control efficiency 87% or more, and tongue fur slightly color is normal, no phenomenon of losing water, shows good anti-corrosion and protects Fresh effect is significantly better than 250 times of 25% prochloraz aqueous emulsion.Therefore, it after garlic stems is adopted, suspends using 30% probenazole procymidone Agent dipping, spraying tongue fur slightly, can significantly inhibit the generation of gray mold in garlic stems storage, to extend storage period, improve storage Commodity.
Above-described embodiment is provided to those skilled in the art, how to implement and use to be advocated with full disclosure and description Embodiment, rather than for limiting range disclosed herein.Obvious modification will to those skilled in the art Within the scope of the appended claims.The all publications, patents and patent applications of this specification citation are incorporated by reference into this Text, as these publications, patents and patent applications respectively show particularly and individually to be incorporated herein by reference.

Claims (10)

1. the bactericidal composition of a kind of probenazole-containing and procymidone, it is characterised in that: effective component is probenazole and procymidone, thiophene The weight ratio of bacterium spirit and procymidone is 15:1~1:10.
2. the bactericidal composition of probenazole-containing according to claim 1 and procymidone, it is characterised in that: the probenazole with The weight ratio of procymidone is 10:1~1:5, further preferred 5:1~1:3, still further preferably 3:1~1:2.
3. the bactericidal composition of probenazole-containing according to claim 1 or 2 and procymidone, it is characterised in that: described to contain thiophene In the bactericidal composition of bacterium spirit and procymidone containing allow in Pesticide Science using with acceptable auxiliary material.
4. the bactericidal composition of probenazole-containing according to claim 3 and procymidone, it is characterised in that: the probenazole-containing It is grouped as with the bactericidal composition of procymidone by the group of following parts by weight: probenazole 1%~80%, procymidone 1%~80%, Surplus be Pesticide Science in allow using with acceptable auxiliary material.
5. the bactericidal composition of probenazole-containing according to claim 3 or 4 and procymidone, it is characterised in that: the pesticide Allow to be selected from solvent, dispersing agent, diffusant, disintegrating agent, emulsifier, adsorbent, stabilization using with acceptable auxiliary material in Agent, wetting agent, defoaming agent, antifreeze etc. or other stabilizations for facilitating effective component drug effect and performance allow using auxiliary agent.
6. the bactericidal composition of probenazole-containing according to any one of claims 1 to 5 and procymidone, it is characterised in that: The dosage form of the bactericidal composition of the probenazole-containing and procymidone be wettable powder, suspending agent, aqueous emulsion, water dispersible granules or Microemulsion.
7. the bactericidal composition of probenazole-containing according to claim 5 and procymidone, it is characterised in that: the Bactericidal composite The dosage form of object is aqueous emulsion, is grouped as by the group of following weight percent:
Or: the dosage form of the bactericidal composition is water dispersible granules, is grouped as by the group of following weight percent:
Or: the dosage form of the bactericidal composition is suspending agent, is grouped as by the group of following weight percent:
Or: the dosage form of the bactericidal composition is wettable powder, is grouped as by the group of following weight percent:
Or: the dosage form of the bactericidal composition is microemulsion, is grouped as by the group of following weight percent:
8. the bactericidal composition of probenazole-containing according to any one of claims 1 to 7 and procymidone is in prevention and treatment water fruits and vegetables storage Application in hiding phase disease.
9. application according to claim 8, it is characterised in that: the disease is selected from gray mold, anthracnose, ring spot, blueness Mildew.
10. application according to claim 8 or claim 9, it is characterised in that: when preventing and treating the pathogen of Botrytis cinerea, probenazole is mould with corruption Both sharp weight ratio is preferred with 10:1~1:3, and more preferably, 1:1 is best by 2:1~1:1;When preventing and treating Botryosphaeria berengeriana f. sp, thiophene bacterium Spirit and the weight ratio of both procymidones are preferred with 5:1~1:3, and more preferably, 3:1 is best by 3:1~1:1;In prevention and treatment apple anthrax bacteria When, the weight ratio of probenazole and both procymidones is preferred with 5:1~1:5, and more preferably, 1:1 is best by 2:1~1:2.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113729074A (en) * 2021-10-11 2021-12-03 安徽农业大学 Preservative for preventing and treating anthracnose of pears and application of preservative

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Application publication date: 20190419