CN103210948A - Bactericide for controlling fruit tree diseases - Google Patents
Bactericide for controlling fruit tree diseases Download PDFInfo
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- CN103210948A CN103210948A CN2013101643899A CN201310164389A CN103210948A CN 103210948 A CN103210948 A CN 103210948A CN 2013101643899 A CN2013101643899 A CN 2013101643899A CN 201310164389 A CN201310164389 A CN 201310164389A CN 103210948 A CN103210948 A CN 103210948A
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- hexamethylene biguanide
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Abstract
The invention discloses a bactericide for controlling fruit tree diseases; and the active ingredient of the bactericide comprises polyhexamethylene biguanide or salt compounds of the polyhexamethylene biguanide. The tests prove that the bactericide can effectively control the diseases of apple trees, grape trees, citrus trees and the like, and has the characteristics of being low in using cost, safe to plants and the environment, and the like.
Description
Technical field
The present invention relates to a kind of application of poly hexamethylene biguanide on the control fruit diseases that comprise.The invention belongs to the agriculture plant protection field.This bactericide is different from existing other bactericide.
Technical background
China is lower than vast, the weather conditions complexity, the fruit tree and the disease species thereof of plantation are various, wherein distribute wide, harm is serious have 60 surplus kind.The middle and lower reach of Yangtze River and Basin of Huaihe River, planting maximum fruit trees is apple, oranges and tangerines, grape etc.
China is apple production state the biggest in the world, northeastward, all there is cultivation on North China, East China, northwest and ground such as Sichuan, Yunnan.Yet the disease of apple becomes the key factor of restriction apple industry development these years, the apple disease kind is a lot, common about kind more than 20, general, the serious contagious disease of causing harm of wherein distributing has apple canker, apple anthracnose, ring rot of apple, apple mildew, armillariella root rot of apple, alternaria leaf spot of apple, apple brown rot, apple scab etc.
The disease of oranges and tangerines becomes the key factor of restriction oranges and tangerines industry development these years, and the citrus disease kind is a lot, and general, the serious contagious disease of causing harm of wherein distributing has yellow twig, decline disease, bark cracking, broken leaf disease, canker, anthracnose, shot hole etc.The infectious disease that more seriously takes place in some areas has foot rot, resin disease, nematodosis etc.In addition, also have some non-infectious diseases, as sunscald, freeze injury and nutritional deficiency disease etc.The nurseryman wants disease that canker, damping off etc. are arranged.The main disease of duration of storage has penicilliosis, green mould, blossom-end rot etc.
Grape almost accounts for 1/4th of whole world fruits output as a kind of important fruit; Its nutritive value is very high, can be made into must, raisins and wine.Yet the disease of grape becomes the key factor of restriction grape industry development these years, the grape disease kind is a lot, common about kind more than 10, general, the serious contagious disease of causing harm of wherein distributing has fruit white rot of grape, bitter rot or anthracnose of grape, anthracnose of grape, downy mildew of garpe, grape grey mould, brown spot of grape etc.
Poly hexamethylene biguanide is a kind ofly to be acknowledged as 21 century broad spectrum antimicrobicide the most safely and efficiently by Britain Aveciago company development, colorless and odorless, consumption is low, the wide spectrum low toxicity, and speed of action is fast, foam volume is low, and can the back forming for a long time antibacterial of one deck cation at article surface, and can not cause and generate antibiotic bacterium characteristic, its safety obtains U.S. FDA and EPA approval, it is to the half lethal dose LD50 of little muroid〉5000mg/kg, the nontoxic level in true border.Since poly hexamethylene biguanide as cationic germicide in agriculture field is used, can be adsorbed in the bacterial cell surface rapidly, attack fast and destroy cytoplasma membrane, make endochylema composition seepage, thereby reach best sterilization and disinfection effect, pathogenic bacteria, virus are pulled the grass up by its roots.Find that now poly hexamethylene biguanide has remarkable control efficiency to the disease on oranges and tangerines, apple, the grape, this application technology is different from existing other bactericide.
Summary of the invention
Purpose of the present invention:, realize that the fruit diseases control is green, nuisanceless, the purpose of low-residual control for the control fruit diseases provides a kind of little malicious grade bactericide.Result of the test shows that bactericide of the present invention is to fruit diseases, and is obvious as fruit diseases control efficiency such as apple, oranges and tangerines, grapes, has characteristics such as persticide residue is low, formulation rate is few.
Concrete scheme of the present invention is: the bactericide of a kind of control fruit diseases except that the oranges and tangerines sour rot, the active ingredient of this bactericide contains poly hexamethylene biguanide or its esters compound.
The active ingredient of this bactericide can only contain poly hexamethylene biguanide or its esters compound, also can also contain other active ingredient.This bactericide can further contain the conventional auxiliary agent of agricultural chemicals, and promptly this bactericide is made up of active ingredient and the conventional auxiliary agent of agricultural chemicals, as effective composition quality content 5～95%, auxiliary agent mass content 5～95%.Further, the formulation of this bactericide can be that agricultural goes up any one formulation that allows, as aqua, wetting powder, soluble powder, microemulsion, aqueous emulsion, suspending agent, missible oil or water dispersible granules etc.
Exist because the needs of production technology and application technology, poly hexamethylene biguanide of the present invention can be the forms with its salt, relatively the compound preventive effect difference of poly hexamethylene biguanide and its salt form is not obvious through overtesting.Be suitable for poly hexamethylene biguanide salt of the present invention and be a kind of in hexamethylene, poly hexamethylene biguanide nitrate, poly hexamethylene biguanide carbonate, poly hexamethylene biguanide phosphate, poly hexamethylene biguanide sulphate, poly hexamethylene biguanide stearate, the poly hexamethylene biguanide acetate.Preferred hexamethylene, as shown in the formula.
The inventor finds, poly hexamethylene biguanide or its salt pair fruit diseases have good control efficiency, as when poly hexamethylene biguanide extension rate during at 1000-5000 times, to fruit diseases, as apple disease, citrus disease except that the oranges and tangerines sour rot, diseases such as grape disease have all shown the better prevention effect, as to apple canker, apple anthracnose, ring rot of apple, apple mildew, armillariella root rot of apple, alternaria leaf spot of apple, apple brown rot, apple scab, black fruit rot of apple, diseases such as apple marssonina leaf spot have all demonstrated fine control efficiency; Diseases such as citrus scab, citrus anthracnose, citrus bacterial canker disease, blossom-end rot, penicilliosis, green mould, oranges and tangerines black rot, oranges and tangerines yellow twig have all been demonstrated fine control efficiency; Equally diseases such as fruit white rot of grape, bitter rot or anthracnose of grape, anthracnose of grape, downy mildew of garpe, grape grey mould, brown spot of grape, black rot of vine grape have also been demonstrated better control efficiency, these new application prevention and control field, Prevention Technique all are that the inventor obtains by lot of experiments, and are different from the application of other bactericide on the existing fruit tree.
For bactericide of the present invention, according to preventing and treating the disease difference, can select spraying, soak fruit or medicament is applied in the mode of action such as limb surface in the application mode of control on the fruit diseases.
Bactericide of the present invention can use with the form of single agent or mixture, uses with usual auxiliaries such as other carriers, surfactants usually during use.
Suitable additive and carrier can be solid or liquid, and they are material commonly used in the formulation process normally, mineral matter for example natural or regeneration, solvent, dispersant, wetting agent, adhesive, thickener, adhesive or fertilizer.
The method for optimizing of using this bactericide comprises and this bactericide is used for the acrial part of plant growing or handles as seed soaking, particularly leaf portion (foliage applying).Frequency of utilization and amount of application depend on the biology and the weather life condition of pathogene.
Bactericide of the present invention can use with constant form, perhaps preferably with the configuration technology in normally used additive use, therefore these compounds can be configured in known manner, for example make aqua, wetting powder, soluble powder, microemulsion, aqueous emulsion, suspending agent, missible oil, water dispersible granules.According to the character that this bactericide had, can select as spraying, atomizing according to the purpose that will reach and ambient conditions, broadcast sowing, bold and vigorous application process of watering etc. and so on.
Poly hexamethylene biguanide of the present invention or its salt are when independent control citrus disease, and positive control efficiency can show as the reduction with respect to the better effect of other bactericide, amount of application or application times, and action effect instant effect, persistence are longer.
The main feature that shows of bactericide of the present invention is mainly: 1, toxicity of the present invention is low, and poly hexamethylene biguanide or its salt toxicity are little poison level, and is low to the residual quantity of fruit, and remarkable to the fruit diseases preventive effect, meets the requirement that the fruit tree green non-pollution is produced; 2, bactericide of the present invention to crop safety, preventive effect is good, fungicidal spectrum is wide.Through evidence, bactericide chemical property of the present invention is stable; 3, dosage is few, thereby has reduced cost and the pollution that has alleviated environment.
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 explaining the present invention, and be not used in qualification the present invention, all any modifications of being made within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Percentage all is weight percentage in all prescriptions of following examples.The processing technology of the various preparations of bactericide of the present invention is prior art, can change to some extent according to different situations.
One, formulation prepares embodiment
Embodiment 1:20% hexamethylene aqua
Hexamethylene 20%, lignosulfonates 3.8%, propane diols 2%, xanthans 3%, phenethyl phenol formaldehyde resin polyvinylether 4.6%, water complements to 100%.
Above-mentioned former medicine, auxiliary agent are fully mixed, under high-speed stirred, water is mixed with it, promptly make aqua.
Embodiment 2:25% poly hexamethylene biguanide wetting powder
Poly hexamethylene biguanide 25%, calcium lignosulfonate 6%, bentonite 3%, NONIN HS 240 4%, attapulgite complements to 100%.
Above-mentioned each component is fully mixed, after ultrafine crusher is pulverized, make wetting powder.
According to said method, can produce 25% poly hexamethylene biguanide nitrate wetting powder, 25% poly hexamethylene biguanide carbonate wetting powder, 25% poly hexamethylene biguanide phosphate wetting powder, 25% poly hexamethylene biguanide sulphate wetting powder, 25% poly hexamethylene biguanide stearate wetting powder, 25% poly hexamethylene biguanide acetate wetting powder.
Embodiment 3:15% hexamethylene suspending agent
Hexamethylene 15%, sodium lignin sulfonate 7%, xanthans 0.8%, bentonite 3%, Magnesiumaluminumsilicate 1%, ethylene glycol 4%, water complements to 100%.
The ratio of each component such as active component hexamethylene and dispersant, wetting agent, thickener and water in prescription mixed, after sand milling and/or high speed shear, obtain semi-finished product, add water after the analysis and mix to filter and get product.
Embodiment 4:30% hexamethylene aqueous emulsion
Hexamethylene 30%, N-repefral 4%, nonyl phenol benzene oxygen vinethene 3%, 2,6 di tert butyl 4 methyl phenol 2%, ethylene glycol 3%, polyvinyl alcohol 1%, Sodium Benzoate 1%, silicone defoaming agent 0.8%, water complements to 100%.
In the emulsification still, active component hexamethylene and solvent, auxiliary agent are mixed under mechanical agitation, drop into emulsifier then and stabilizing agent stirs, add entry at last, under 100-12000 rev/min rotating speed, stirred 10-30 minute, make it to become the product of even emulsus.
Embodiment 5:12% hexamethylene microemulsion
Hexamethylene 12%, acetone 15%, compound sodium nitrophenolate 0.5%, alkyl polyoxyethylene ether and polyoxyethylene nonylphenol ether 5%, propane diols 1%, urea 2%, water complements to 100%.
With the active component hexamethylene in solvent fully the dissolving after, stir, add emulsifier, builder and antifreeze simultaneously, treat above-mentioned system mixing after, again water is slowly added in the above-mentioned mixed liquor, can be made into the microemulsion of different content after fully stirring.
Embodiment 6:20% poly hexamethylene biguanide missible oil
Poly hexamethylene biguanide 20%, Jatropha curcas oil methyl esters 50%, fatty alcohol-polyoxyethylene ether (AEO-5) 6%, styryl phenol polyvinylether (602#) 4%, calcium dodecyl benzene sulfonate 6.5%, Si Pan-601%, dodecyl pyrrolidone 2.5% mixes and obtains 20% poly hexamethylene biguanide missible oil.
Embodiment 7:18% poly hexamethylene biguanide soluble powder
Poly hexamethylene biguanide 18%, aliphatic alcohol polyethenoxy base ether 2%, alkylsulfonate 3%,, sodium sulphate 0.5%, white carbon black complements to 100%.
After poly hexamethylene biguanide and various auxiliary agent mixed, make this mixture by mixing technologies such as laggard promoting the circulation of qi stream pulverizing.
Embodiment 8:50% hexamethylene water dispersible granules
Hexamethylene 50%, Negel 4%, dodecyl sodium sulfate 3%, ammonium sulfate 3%, precipitated calcium carbonate complements to 100%.
Active component hexamethylene and auxiliary agent and the filler ratio in prescription is mixed, become wetting powder through comminution by gas stream, add a certain amount of water mixings extruder grain again, drying makes the water dispersible granules product after sieving.
Two, Application Example
(1) the indoor determination of activity of poly hexamethylene biguanide or its salt pair fruit diseases
1, the indoor determination of activity of poly hexamethylene biguanide or its salt pair apple disease
Choose representative apple disease and carry out indoor activity test mensuration, comprise diseases such as apple canker, apple anthracnose, ring rot of apple, apple mildew, armillariella root rot of apple, alternaria leaf spot of apple, apple brown rot, apple scab, black fruit rot of apple and apple marssonina leaf spot.
PDA medium: peeling potato 200g, agar 20g, apple sugar 15g, water 1000mL.Different medicaments are mixed with 10 times of required each concentration with sterile water respectively. volume ratio and the PDA medium with 1:9 mixes the pastille medium that promptly gets the series concentration gradient then.The conventional method separation and purification is adopted in the separation and purification of pathogen.Measure under the aseptic condition inoculation to be measured is cultivated down in 25 ℃ on the PDA flat board.Cultivating behind the 10d with internal diameter is that 0.5 card punch is beaten on bacterium colony and got bacterium cake (choosing the eugonic mycelia of colony edge).Be transferred to (the one side contact medium of the silk that carries disease germs) on the PDA flat board that contains different medicaments.With adding medicine not and to add the equivalent sterile water be contrast (CK).5 concentration of every kind of medicament design are handled, and 3 repetitions are established in each processing, cultivate 6d under 25 ℃ of constant temperature.Measure colony diameter with the right-angled intersection method, average.Calculate inhibiting rate.
The blank colony diameter of mycelial growth inhibition rate %=(-chemicals treatment colony diameter)/(blank colony diameter-bacterium dish diameter) * 100
(1) poly hexamethylene biguanide or the indoor determination of activity of its salt pair apple canker
The mycelial growth inhibition rate of table 1 poly hexamethylene biguanide or its salt pair apple canker
Measurement result (table 1) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair apple canker suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair apple canker have the better prevention effect.
(2) the indoor determination of activity of poly hexamethylene biguanide or its salt pair apple anthracnose
The mycelial growth inhibition rate of table 2 poly hexamethylene biguanide or its salt pair apple anthracnose
Measurement result (table 2) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair apple anthracnose suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair apple anthracnose have the better prevention effect.
(3) the indoor determination of activity of poly hexamethylene biguanide or its salt pair ring rot of apple
The mycelial growth inhibition rate of table 3 poly hexamethylene biguanide or its salt pair ring rot of apple
Measurement result (table 3) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair ring rot of apple suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair ring rot of apple have the better prevention effect.
(4) the indoor determination of activity of poly hexamethylene biguanide or its salt pair apple mildew
The mycelial growth inhibition rate of table 4 poly hexamethylene biguanide or its salt pair apple mildew
Measurement result (table 4) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair apple mildew suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair apple mildew have the better prevention effect.
(5) the indoor determination of activity of poly hexamethylene biguanide or its salt pair armillariella root rot of apple
The mycelial growth inhibition rate of table 5 poly hexamethylene biguanide or its salt pair armillariella root rot of apple
Measurement result (table 5) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair armillariella root rot of apple suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair armillariella root rot of apple have the better prevention effect.
(6) poly hexamethylene biguanide or the indoor determination of activity of its salt pair alternaria leaf spot of apple
The mycelial growth inhibition rate of table 6 poly hexamethylene biguanide or its salt pair alternaria leaf spot of apple
Measurement result (table 6) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair alternaria leaf spot of apple suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair alternaria leaf spot of apple have the better prevention effect.
(7) the indoor determination of activity of poly hexamethylene biguanide or its salt pair apple brown rot
The mycelial growth inhibition rate of table 7 poly hexamethylene biguanide or its salt pair apple brown rot
Measurement result (table 7) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair apple brown rot suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair apple brown rot have the better prevention effect.
(8) the indoor determination of activity of poly hexamethylene biguanide or its salt pair apple scab
The mycelial growth inhibition rate of table 8 poly hexamethylene biguanide or its salt pair apple scab
Measurement result (table 8) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair apple scab suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair apple scab have the better prevention effect.
(9) the indoor determination of activity of poly hexamethylene biguanide or its salt pair black fruit rot of apple
The mycelial growth inhibition rate of table 9 poly hexamethylene biguanide or its salt pair black fruit rot of apple
Measurement result (table 9) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair black fruit rot of apple suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair black fruit rot of apple have the better prevention effect.
(10) poly hexamethylene biguanide or the indoor determination of activity of its salt pair apple marssonina leaf spot
The mycelial growth inhibition rate of table 10 poly hexamethylene biguanide or its salt pair apple marssonina leaf spot
Measurement result (table 10) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair apple marssonina leaf spot suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair apple marssonina leaf spot have the better prevention effect.
2, the indoor determination of activity of poly hexamethylene biguanide or its salt pair citrus disease
Choose representative citrus disease, carry out indoor determination of activity as diseases such as citrus scab, citrus anthracnose, citrus bacterial canker disease, blossom-end rot, penicilliosis, green mould and black rot of vine grape.Test method is the same.
(1) poly hexamethylene biguanide or the indoor determination of activity of its salt pair citrus scab
The mycelial growth inhibition rate of table 11 poly hexamethylene biguanide or its salt pair citrus scab
Measurement result (table 11) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair citrus scab suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair citrus scab have the better prevention effect.
(2) the indoor determination of activity of poly hexamethylene biguanide or its salt pair citrus anthracnose
The mycelial growth inhibition rate of table 12 poly hexamethylene biguanide or its salt pair citrus anthracnose
Measurement result (table 12) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair citrus anthracnose suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair citrus anthracnose have the better prevention effect.
(3) the indoor determination of activity of poly hexamethylene biguanide or its salt pair citrus bacterial canker disease
The mycelial growth inhibition rate of table 13 poly hexamethylene biguanide or its salt pair citrus bacterial canker disease
Measurement result (table 13) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair citrus bacterial canker disease suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair citrus bacterial canker disease have the better prevention effect.
(4) the indoor determination of activity of poly hexamethylene biguanide or its salt pair oranges and tangerines blossom-end rot
The mycelial growth inhibition rate of table 14 poly hexamethylene biguanide or its salt pair oranges and tangerines blossom-end rot
Measurement result (table 14) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair oranges and tangerines blossom-end rot suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair oranges and tangerines blossom-end rot have the better prevention effect.
(5) the indoor determination of activity of poly hexamethylene biguanide or its salt pair citrus common green mold
The mycelial growth inhibition rate of table 15 poly hexamethylene biguanide or its salt pair citrus common green mold
Measurement result (table 15) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair citrus common green mold suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair citrus common green mold have the better prevention effect.
(6) poly hexamethylene biguanide or the indoor determination of activity of its salt pair oranges and tangerines penicilliosis
The mycelial growth inhibition rate of table 16 poly hexamethylene biguanide or its salt pair oranges and tangerines penicilliosis
Measurement result (table 16) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair oranges and tangerines penicilliosis suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair oranges and tangerines penicilliosis have the better prevention effect.
(7) the indoor determination of activity of poly hexamethylene biguanide or its salt pair black rot of vine grape
The mycelial growth inhibition rate of table 17 poly hexamethylene biguanide or its salt pair black rot of vine grape
Measurement result (table 17) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair black rot of vine grape suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair black rot of vine grape have the better prevention effect.
3, the indoor determination of activity of poly hexamethylene biguanide or its salt pair grape disease
Choose diseases such as representative grape disease such as fruit white rot of grape, bitter rot or anthracnose of grape, anthracnose of grape, downy mildew of garpe, grape grey mould, brown spot of grape, oranges and tangerines black rot, oranges and tangerines yellow twig and carry out indoor determination of activity.Test method is the same.
(1) poly hexamethylene biguanide or the indoor determination of activity of its salt pair scratches scall
The mycelial growth inhibition rate of table 18 poly hexamethylene biguanide or its salt pair fruit white rot of grape
Measurement result (table 18) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair fruit white rot of grape suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair fruit white rot of grape have the better prevention effect.
(2) the indoor determination of activity of poly hexamethylene biguanide or its salt pair bitter rot or anthracnose of grape
The mycelial growth inhibition rate of table 19 poly hexamethylene biguanide or its salt pair bitter rot or anthracnose of grape
Measurement result (table 19) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair bitter rot or anthracnose of grape suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair bitter rot or anthracnose of grape have the better prevention effect.
(3) the indoor determination of activity of poly hexamethylene biguanide or its salt pair anthracnose of grape
The mycelial growth inhibition rate of table 20 poly hexamethylene biguanide or its salt pair anthracnose of grape
Measurement result (table 20) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair anthracnose of grape suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair anthracnose of grape have the better prevention effect.
(4) the indoor determination of activity of poly hexamethylene biguanide or its salt pair downy mildew of garpe
Table 21 poly hexamethylene biguanide is to the mycelial growth inhibition rate of downy mildew of garpe
Measurement result (table 21) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair downy mildew of garpe suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair downy mildew of garpe have the better prevention effect.
(5) the indoor determination of activity of poly hexamethylene biguanide or its salt pair grape grey mould
The mycelial growth inhibition rate of table 22 poly hexamethylene biguanide or its salt pair grape grey mould
Measurement result (table 22) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair grape grey mould suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair grape grey mould have the better prevention effect.
(6) poly hexamethylene biguanide or the indoor determination of activity of its salt pair brown spot of grape
The mycelial growth inhibition rate of table 23 poly hexamethylene biguanide or its salt pair brown spot of grape
Measurement result (table 23) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair brown spot of grape suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair brown spot of grape have the better prevention effect.
(7) the indoor determination of activity of poly hexamethylene biguanide or its salt pair oranges and tangerines black rot
The mycelial growth inhibition rate of table 24 poly hexamethylene biguanide or its salt pair oranges and tangerines black rot
Measurement result (table 24) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair oranges and tangerines black rot suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair oranges and tangerines black rot have the better prevention effect.
(8) the indoor determination of activity of poly hexamethylene biguanide or its salt pair oranges and tangerines yellow twig
The mycelial growth inhibition rate of table 25 poly hexamethylene biguanide or its salt pair oranges and tangerines yellow twig
Measurement result (table 25) shows that it is obvious that the mycelial growth of poly hexamethylene biguanide or its salt pair oranges and tangerines yellow twig suppresses effect, shows that poly hexamethylene biguanide of the present invention or its salt pair oranges and tangerines yellow twig have the better prevention effect.
(2) field control effectiveness test (preparation that adopts the method for parallel test to verify to contain poly hexamethylene biguanide and salt thereof is to the field trial control efficiency of citrus disease)
Grade scale:
0 grade: no scab;
1 grade: leaf (really) sheet scab is less than 5, and length is less than 1cm;
3 grades: leaf (really) sheet scab 6-10, part scab length is greater than 1cm;
5 grades: leaf (really) sheet scab 11-25, the part scab is linked to be sheet, and lesion area accounts for the 10-25% of leaf (really) area;
7 grades: leaf (really) sheet scab is more than 26, and scab is linked to be sheet, and lesion area accounts for the 26-50% of leaf (really) area;
9 grades: scab is linked to be sheet, lesion area account for leaf (really) area more than 50% or full leaf withered.
1, poly hexamethylene biguanide is to the field control effectiveness test analysis of apple disease
(1) the field control effectiveness test analysis of poly hexamethylene biguanide or its salt pair apple canker disease
The field control effectiveness test analysis of table 26 poly hexamethylene biguanide or its salt pair apple canker
Field test results shows (table 26), and poly hexamethylene biguanide or its salt pair apple canker have shown the better prevention effect.
(2) field control effectiveness test of poly hexamethylene biguanide or its salt pair apple anthracnose
The field control effectiveness test analysis of table 27 poly hexamethylene biguanide or its salt pair apple anthracnose
Field test results shows (table 27), and poly hexamethylene biguanide or its salt pair apple anthracnose have shown the better prevention effect.
(3) field control effectiveness test of poly hexamethylene biguanide or its salt pair ring rot of apple
The field control effectiveness test analysis of table 28 poly hexamethylene biguanide or its salt pair ring rot of apple
Field test results shows (table 28), and poly hexamethylene biguanide or its salt pair ring rot of apple have shown the better prevention effect.
(4) field control effectiveness test of poly hexamethylene biguanide or its salt pair apple mildew
The field control effectiveness test analysis of table 29 poly hexamethylene biguanide or its salt pair apple mildew
Field test results shows (table 29), and poly hexamethylene biguanide or its salt pair apple mildew have shown the better prevention effect.
(5) poly hexamethylene biguanide or its salt pair armillariella root rot of apple field control effectiveness test
Table 30 poly hexamethylene biguanide or its salt pair armillariella root rot of apple field control effectiveness test are analyzed
Field test results shows (table 30), and poly hexamethylene biguanide or its salt pair armillariella root rot of apple have shown the better prevention effect.
(6) poly hexamethylene biguanide or its salt pair alternaria leaf spot of apple field control effectiveness test
Table 31 poly hexamethylene biguanide or its salt pair alternaria leaf spot of apple field control effectiveness test are analyzed
Field test results shows (table 31), and poly hexamethylene biguanide or its salt list agent have shown the better prevention effect to the alternaria leaf spot of apple disease.
(7) poly hexamethylene biguanide or salt pair apple brown rot field control effectiveness test
Table 32 poly hexamethylene biguanide or salt pair apple brown rot field control effectiveness test are analyzed
Field test results shows (table 31), and poly hexamethylene biguanide or its salt list agent have shown the better prevention effect to the apple brown rot disease.
(8) poly hexamethylene biguanide or its salt pair apple scab field control effectiveness test
Table 33 poly hexamethylene biguanide or its salt pair apple scab field control effectiveness test are analyzed
Field test results shows (table 33), and poly hexamethylene biguanide or its salt pair apple scab have shown the better prevention effect
(8) poly hexamethylene biguanide or its salt pair black fruit rot of apple field control effectiveness test
Table 34 poly hexamethylene biguanide or its salt pair black fruit rot of apple field control effectiveness test are analyzed
Field test results shows (table 34), and poly hexamethylene biguanide or its salt pair black fruit rot of apple have shown the better prevention effect.
(8) poly hexamethylene biguanide or its salt pair apple marssonina leaf spot field control effectiveness test
Table 35 poly hexamethylene biguanide or its salt pair apple marssonina leaf spot field control effectiveness test are analyzed
Field test results shows (table 35), and poly hexamethylene biguanide or its salt pair apple marssonina leaf spot have shown the better prevention effect.
2, the field control effectiveness test analysis of poly hexamethylene biguanide or its salt pair citrus disease
(1) the field control effectiveness test analysis of poly hexamethylene biguanide or its salt pair citrus scab disease
The field control effectiveness test analysis of table 36 poly hexamethylene biguanide or its salt pair citrus scab
Field test results shows (table 36), and poly hexamethylene biguanide or its salt pair citrus scab have shown the better prevention effect.
(2) field control effectiveness test of poly hexamethylene biguanide or its salt pair citrus anthracnose
The field control effectiveness test analysis of table 37 poly hexamethylene biguanide or its salt pair citrus anthracnose
Field test results shows (table 37), and poly hexamethylene biguanide or its salt pair citrus anthracnose have shown the better prevention effect.
(3) field control effectiveness test of poly hexamethylene biguanide or its salt pair citrus bacterial canker disease
The field control effectiveness test analysis of table 38 poly hexamethylene biguanide or its salt pair citrus bacterial canker disease
Field test results shows (table 38), and poly hexamethylene biguanide or its salt pair citrus bacterial canker disease have shown the better prevention effect.
(4) field control effectiveness test of poly hexamethylene biguanide or its salt pair oranges and tangerines blossom-end rot
Table 39 poly hexamethylene biguanide or its salt pair oranges and tangerines blossom-end rot field control effectiveness test are analyzed
Field test results shows (table 39), and poly hexamethylene biguanide or its salt pair oranges and tangerines blossom-end rot have shown the better prevention effect.
(5) poly hexamethylene biguanide or its salt pair oranges and tangerines penicilliosis field control effectiveness test
Table 40 poly hexamethylene biguanide or its salt pair oranges and tangerines penicilliosis field control effectiveness test are analyzed
Field test results shows (table 40), and poly hexamethylene biguanide or its salt pair oranges and tangerines penicilliosis have shown the better prevention effect.
(6) poly hexamethylene biguanide or its salt pair citrus common green mold field control effectiveness test
Table 41 poly hexamethylene biguanide or its salt pair citrus common green mold field control effectiveness test are analyzed
Field test results shows (table 41), and poly hexamethylene biguanide or its salt pair citrus common green mold have shown the better prevention effect.
(7) poly hexamethylene biguanide or its salt pair oranges and tangerines black rot field control effectiveness test
Table 42 poly hexamethylene biguanide or its salt pair oranges and tangerines black rot field control effectiveness test are analyzed
Field test results shows (table 42), and poly hexamethylene biguanide or its salt pair oranges and tangerines black rot have shown the better prevention effect.
(8) poly hexamethylene biguanide or its salt pair oranges and tangerines yellow twig field control effectiveness test
Table 43 poly hexamethylene biguanide or its salt pair oranges and tangerines yellow twig field control effectiveness test are analyzed
Field test results shows (table 43), and poly hexamethylene biguanide or its salt pair oranges and tangerines yellow twig have shown the better prevention effect.
3, the field control effectiveness test of poly hexamethylene biguanide or its salt pair grape disease
(1) the field control effectiveness test analysis of poly hexamethylene biguanide or its salt pair fruit white rot of grape disease
The field control effectiveness test analysis of table 44 poly hexamethylene biguanide or its salt pair fruit white rot of grape
Field test results shows (table 44), and poly hexamethylene biguanide or its salt pair fruit white rot of grape have shown the better prevention effect.
(2) field control effectiveness test of poly hexamethylene biguanide or its salt pair bitter rot or anthracnose of grape
The field control effectiveness test analysis of table 45 poly hexamethylene biguanide or its salt pair bitter rot or anthracnose of grape
Field test results shows (table 45), and poly hexamethylene biguanide or its salt pair bitter rot or anthracnose of grape have shown the better prevention effect.
(3) field control effectiveness test of poly hexamethylene biguanide or its salt pair anthracnose of grape
The field control effectiveness test analysis of table 46 poly hexamethylene biguanide or its salt pair anthracnose of grape
Field test results shows (table 46), and poly hexamethylene biguanide or its salt pair anthracnose of grape have shown the better prevention effect.
(4) field control effectiveness test of poly hexamethylene biguanide or its salt pair downy mildew of garpe
The field control effectiveness test analysis of table 47 poly hexamethylene biguanide or its salt pair downy mildew of garpe
Field test results shows (table 47), and poly hexamethylene biguanide or its salt pair downy mildew of garpe have shown the better prevention effect.
(5) poly hexamethylene biguanide or its salt pair grape grey mould field control effectiveness test
Table 48 poly hexamethylene biguanide or its salt pair grape grey mould field control effectiveness test are analyzed
Field test results shows (table 48), and poly hexamethylene biguanide or its salt pair grape grey mould have shown the better prevention effect.
(6) poly hexamethylene biguanide or its salt pair brown spot of grape field control effectiveness test
Table 49 poly hexamethylene biguanide is analyzed the brown spot of grape field control effectiveness test
Field test results shows (table 49), and poly hexamethylene biguanide or its salt pair brown spot of grape disease have shown the better prevention effect.
(7) poly hexamethylene biguanide or its salt pair brown spot of grape field control effectiveness test
Table 50 poly hexamethylene biguanide or its salt pair black rot of vine grape field control effectiveness test are analyzed
Field test results shows (table 50), and poly hexamethylene biguanide or its salt pair black rot of vine grape have shown the better prevention effect.
Claims (11)
1. the bactericide of control fruit diseases except that the oranges and tangerines sour rot is characterized in that this bactericide active ingredient contains poly hexamethylene biguanide or its esters compound.
2. bactericide according to claim 1, the salt compounds that it is characterized in that poly hexamethylene biguanide are a kind of in hexamethylene, poly hexamethylene biguanide nitrate, poly hexamethylene biguanide carbonate, poly hexamethylene biguanide phosphate, poly hexamethylene biguanide sulphate, poly hexamethylene biguanide stearate, the poly hexamethylene biguanide acetate.
3. bactericide according to claim 1, the salt compounds of described poly hexamethylene biguanide are hexamethylene.
4. bactericide according to claim 1 is characterized in that this bactericide is made up of active ingredient poly hexamethylene biguanide or its esters compound and the conventional auxiliary agent of agricultural chemicals.
5. according to the described bactericide of each claim of claim 1-4, the formulation that it is characterized in that this bactericide is that agricultural goes up any one formulation that allows.
6. according to the bactericide of claim 5, the formulation of its this this bactericide of feature is aqua, wetting powder, soluble powder, microemulsion, aqueous emulsion, suspending agent, missible oil or water dispersible granules.
7. poly hexamethylene biguanide or its esters compound or the described bactericide of claim 1 purposes that is used to prevent and treat fruit diseases except that the oranges and tangerines sour rot.
8. according to the purposes of claim 7, it is characterized in that described fruit diseases is apple disease, grape disease or citrus disease except that the oranges and tangerines sour rot.
9. purposes according to Claim 8 is characterized in that described apple disease is selected from apple canker, apple anthracnose, ring rot of apple, apple mildew, armillariella root rot of apple, alternaria leaf spot of apple, apple brown rot, apple scab, black fruit rot of apple or apple marssonina leaf spot.
10. purposes according to Claim 8 is characterized in that described grape disease is selected from fruit white rot of grape, bitter rot or anthracnose of grape, anthracnose of grape, downy mildew of garpe, grape grey mould, brown spot of grape or black rot of vine grape.
11. purposes according to Claim 8 is characterized in that described citrus disease is selected from citrus scab, citrus anthracnose, citrus bacterial canker disease, oranges and tangerines blossom-end rot, oranges and tangerines penicilliosis, citrus common green mold, oranges and tangerines black rot or oranges and tangerines yellow twig.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013101643899A CN103210948A (en) | 2013-05-07 | 2013-05-07 | Bactericide for controlling fruit tree diseases |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013101643899A CN103210948A (en) | 2013-05-07 | 2013-05-07 | Bactericide for controlling fruit tree diseases |
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| CN103210948A true CN103210948A (en) | 2013-07-24 |
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| CN2013101643899A Pending CN103210948A (en) | 2013-05-07 | 2013-05-07 | Bactericide for controlling fruit tree diseases |
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| CN104170833A (en) * | 2014-09-02 | 2014-12-03 | 海南正业中农高科股份有限公司 | Composition containing oligosaccharide and polyhexamethylene biguanidine or salt of polyhexamethylene biguanidine |
| CN104920521A (en) * | 2015-06-03 | 2015-09-23 | 广西大学 | Biological control agent for citrus huanglongbing |
| CN105494436A (en) * | 2015-12-29 | 2016-04-20 | 辛集市远翔环保能源科技有限公司 | Agricultural sterilizing agent |
| CN107868023A (en) * | 2016-09-22 | 2018-04-03 | 中国石油化学工业开发股份有限公司 | Biguanide phosphate synthesis method and antibacterial agent |
| CN114097815A (en) * | 2021-11-25 | 2022-03-01 | 兰州大学 | Application of medical compound with amidine skeleton in resisting plant pathogenic bacteria |
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| CN101969778A (en) * | 2007-12-19 | 2011-02-09 | 阿卡科技有限责任公司 | Use of polymeric guanidine derivatives for combating unwanted micro-organisms in the protection of plants |
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| CN114097815A (en) * | 2021-11-25 | 2022-03-01 | 兰州大学 | Application of medical compound with amidine skeleton in resisting plant pathogenic bacteria |
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