CN109819992A - A kind of bactericidal composition containing pyraclostrobin and Thymol - Google Patents
A kind of bactericidal composition containing pyraclostrobin and Thymol Download PDFInfo
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- CN109819992A CN109819992A CN201910195616.1A CN201910195616A CN109819992A CN 109819992 A CN109819992 A CN 109819992A CN 201910195616 A CN201910195616 A CN 201910195616A CN 109819992 A CN109819992 A CN 109819992A
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- thymol
- pyraclostrobin
- bactericidal composition
- containing pyraclostrobin
- suspending agent
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Abstract
The present invention relates to a kind of bactericidal composition containing pyraclostrobin and Thymol, effective component are pyraclostrobin and Thymol binary built, and wherein the mass ratio of pyraclostrobin and Thymol is 1~25:25~1.The present invention compounds pyraclostrobin with Thymol, with apparent synergistic effect, it can delay the generation of key drug resistance, production cost and use cost are reduced, is suitable for preventing and treating ornamental plants, various powdery mildews of field crops, downy mildew, scab, leaf spot and the epidemic diseases such as fruit tree, vegetables, flowers.
Description
Technical field
The present invention relates to technical field of pesticide compounding, more particularly to a kind of killing containing pyraclostrobin and Thymol
Bacteria composition.
Background technique
Pyraclostrobin (also known as pyraclostrobin, chemical name: methyl (N)-[[[- 3 base of 1- (4- chlorobenzene) pyrazoles)-oxygen] -0-
Methoxyl group]-N- methoxymethyl carbamate, English name Pyraclostrobin), it is new-type wide-spectrum bactericide, there is protection, control
It treats and radical cure acts on, have to diseases such as melon, vegetables powdery mildews, downy mildew, scab, leaf spot, epidemic diseases stronger anti-
Effect is controlled, rapidly, the lasting period is longer, to crop safety under recommended dose, promotes the absorption of nitrogen, enhances the resistance of crop for effect
Power improves crop quality.
Thymol (English name: Thymol；It is a monoterpene, is the amphyl of cymene (to colored hydrocarbon is spread)；
Its molecular formula is C10H14O is isomer with carvacrol, gains the name due to being found in thyme.No. CAS: 89-83-
8) it is a kind of fungicide (chemical synthesis bactericidal effect is more preferably) that pure plant is extracted, there is protection and therapeutic effect.Thymol
Toxicity is low, and bactericidal effect is strong, have many advantages, such as dosage it is few, it is efficient, less toxic, be effective for white powder disease, be suitable for prevent and treat fruit tree, vegetable
The ornamental plants such as dish, flowers, various powdery mildews of field crops and fungus disease, such as apple, grape, careless mould, strawberry, rose
Rare, sweet tea Lay powdery mildew and anthracnose etc..
Application chemical agent is the most effective means of controlling plant diseases.But it applies to long-term continuous high dose single
Chemical bactericide, the problems such as be easy to causeing the residual of medicament, environmental pollution and drug-resistant fungi to develop.Reasonable chemistry
It is bactericide compounded or it is mixed have expand fungicidal spectrum, improve control efficiency, extend the optimum period for applying fertilizer, reduce dosage, reduce phytotoxicity,
The positive features such as residual, the generation for delaying drug resistance of fungi and development are reduced, bactericide compounded is to solve above-mentioned ask
One of the maximally efficient method of topic.It is constantly soaring to develop new product fungicide price, and in contrast, exploitation with research efficiently,
Low toxicity, low-residual compounding and mixture have small investment, the lead time is short and is paid attention to both at home and abroad, one after another increasing develop
Dynamics.Inventor based on the indoor screening and field trials, filters out pyraclostrobin and is compounded with Thymol, tool
There is apparent synergistic effect.And it there is no people at present with the bactericidal composition of Thymol compounded and application about pyraclostrobin
It reported.
Summary of the invention
Based on the above circumstances, it is an object of that present invention to provide a kind of Bactericidal composite containing pyraclostrobin and Thymol
Object.It is suitable for preventing and treating ornamental plants, various powdery mildews of field crops, downy mildew, scab, the tikka such as fruit tree, vegetables, flowers
Disease, epidemic disease, anthracnose.
The technical solution of the present invention is achieved by the following measures:
A kind of bactericidal composition containing pyraclostrobin and Thymol, the effective component pyrazoles ether of the bactericidal composition
Bacterium ester compounds (mass ratio is 1~25: 25~1) with Thymol two-spot, remaining is auxiliary element.When in pyraclostrobin and hundred
When fragrant phenol mass ratio is 12:10, synergistic effect is best.
The formulations of pesticide that bactericidal composition of the present invention can be prepared are missible oil, suspending agent, wettable powder, aqueous emulsion, micro-
Emulsion, microcapsule formulations.Wherein effective component pyraclostrobin and Thymol total quality in preparation account for the entire quality of the pharmaceutical preparations
5%~60%, wherein toxicity and residues achieve a better balance when accounting for 10%~50%, cost is relatively low.
The present invention has further been found that addition arecaidine and capsaicine can in the suspending agent of bactericidal composition of the present invention
Effectively enhance control efficiency and improve preparation stability, wherein the total weight of arecaidine and capsaicine in suspending agent accounts for entirely
Effect is best when the mass ratio of the 2%~5% of the quality of the pharmaceutical preparations, arecaidine and capsaicine is 1:3~5.
The specific embodiment for the formulations of pesticide that bactericidal composition of the present invention is configured to is as follows:
The bactericidal composition is cream preparation, the mass fraction of component are as follows: 1~25 part of pyraclostrobin, thyme
1~25 part of phenol, 8~25 parts of conventional emulsifier, 20~55 parts of Conventional solvents and conventional 1~5 part of synergist.The tool of the cream preparation
Body production stage be first effective component pyraclostrobin and Thymol are added in solvent be completely dissolved after add emulsifier,
Synergist is filling after mixing evenly at homogeneous and transparent oily liquids, can the missible oil preparation made into the composition of the present invention.
The bactericidal composition is suspending agent, the mass fraction of component are as follows: 1~25 part of pyraclostrobin, Thymol 1
~25 parts, 5~20 parts of dispersing agent, 1~5 part of antifreezing agent, 0.1~2 part of thickener, 0.1~0.8 part of defoaming agent, bleeding agent 0~10
Part, 0.1~5 part of pH adjusting agent and water.The specific production stage of the suspending agent is first to mix other auxiliary agents, through high speed shear
It is uniformly mixed, effective component pyraclostrobin and Thymol, abrading-ball 2~3 hours in ball crusher, which is added, makes a diameter exist
5mm is hereinafter, can be made into the aqueous suspension formulations of the present composition.
The bactericidal composition is wettable powder, the mass fraction of component are as follows: in 1~25 part of pyraclostrobin, hundred
1~25 part of fragrant phenol, 3~10 parts of dispersing agent, 1~5 part of wetting agent and filler.The specific production stage of the wettable powder are as follows: press
Above-mentioned formula mixes effective component pyraclostrobin with Thymol and dispersing agent, wetting agent and filler, in a stirring kettle
Uniform stirring is being uniformly mixed after airslide disintegrating mill, that is, can be made into the wettable powder of the present composition.
The bactericidal composition is aqueous emulsion, the mass fraction of component are as follows: 1~25 part of pyraclostrobin, Thymol 1
~25 parts, 3~30 parts of emulsifier, 5~15 parts of solvent, 2~15 parts of stabilizer, 1~5 part of antifreezing agent, 0.1~8 part of defoaming agent, increasing
Thick dose 0.2~2 part and water.The specific production stage of the aqueous emulsion are as follows: first by pyraclostrobin and Thymol, solvent and cream
Agent is added together, and makes to be dissolved into uniform oily phase；Other insecticides adjuvants such as part water, antifreeze are mixed into equal
Even water phase；The oil phase is added to the aqueous phase while being stirred in the reactor at high speed, and slowly plus water is until reach phase inversion point, and unlatching is cut
It cuts machine and carries out high speed shear, and remaining water is added, shearing about half an hour, form the aqueous emulsion of oil-in-water type, that is, can be made into this
The aqueous emulsion of inventive composition.
The bactericidal composition is microemulsion, the mass fraction of component are as follows: 1~25 part of pyraclostrobin, Thymol 1
~25 parts, 10~30 parts of emulsifier, 1~8 part of antifreezing agent, 0.5~10 part of stabilizer, 20~50 parts of Conventional solvents cosolvent.It will
Pyraclostrobin and Thymol are completely dissolved with cosolvent, add the other compositions such as emulsifier, antifreezing agent stabilizer, uniformly
Mixing, is eventually adding water, microemulsion can be made into after being sufficiently stirred.
The bactericidal composition is microcapsule formulations, the mass fraction of component are as follows: 1~25 part of pyraclostrobin, thyme
1~25 part of phenol, 5~20 parts of urea, 5~20 parts of formaldehyde, 5~20 parts of emulsifying dispersant, 1~5 part of antifreezing agent, thickener 0.1~2
Part, 0.1~0.8 part of defoaming agent and water.(the mass ratio of the material is about for addition urea and formaldehyde in three-necked flask with a mixing device
For l:1.5~2.0), the pH value for adjusting solution with sodium hydroxide solution then heats to 70~80 DEG C, reaction to 8~9 or so
Obtain stable urea resin prepolymer.A certain amount of pyraclostrobin and Thymol is taken to be dissolved in hexamethylene, and in solution
Middle addition emulsifying dispersant is made into being vigorously stirred and stablizes cream by the O/W type of water phase of aqueous solution containing emulsified dispersant
Liquid.Above-mentioned urea resin prepolymer is added in lotion, adjusts pH value, polymerization occurs under acid catalyzed conditions, makes oil
Phase substance is wrapped, and forms microcapsule granule.Slowly heating, solidification, temperature control is at 40~50 DEG C, curing time 1h.
Suitable auxiliary agent is added in selection, can obtain stable microcapsules.
Wherein above-described emulsifier is selected from calcium dodecyl benzene sulfonate, aliphatic acid polyethenoxy ether, alkyl phenol polyoxy
Ethylene ether sulfosuccinates, styrylphenol polyoxyethylene ether, nonylphenol polyoxyethylene ether, castor oil polyoxyethylene ether,
Any one of aliphatic acid polyethenoxy base ester, polyoxyethylene aliphatic alcohol ether or more than one a mixture of arbitrary proportions.
The solvent is dimethylbenzene, toluene, methanol, ethyl alcohol, n-butanol, isopropanol, (code name is turpentine-based vegetable oil
ND-60), one of solvent naphtha, dimethylformamide, dimethyl sulfoxide, water equal solvent or more than one any ratios form
Mixture.
The dispersing agent be selected from polycarboxylate (code name YUS-WG5, TERSPERSE 2700, TERSPERSE2500),
Lignosulfonates (code name YUS-WG4, YUS-207K, WLNOK, WLNO100, TERSPERSE2020), alkyl phenol polyoxy second
Alkene ether methyl ether condensate sulfate, alkylsulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkyl phenol polyoxyethylene ether, rouge
One or more of fat acid polyoxyethylene ester, aliphatic amine polyoxyethylene ether, glycerol fatty acid ester polyoxyethylene ethe.
The wetting agent be selected from lauryl sodium sulfate, calcium dodecyl benzene sulfonate, Nekal BX, TERWET1004,
YUS-LXC, TERSPERSE 4894, TERSPERSE2288, alkylbenzene sulfonate polyoxyethylene triphen dimly phosphenylic acid salt,
One of spaonin powder, silkworm excrement, spaonin powder are a variety of.
The disintegrating agent is in bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, sodium bicarbonate
It is one or more.
The thickener be selected from xanthan gum, carboxymethyl cellulose, carboxyethyl cellulose, methylcellulose, aluminum magnesium silicate,
It is one or more in polyvinyl alcohol.
The stabilizer is selected from one of sodium citrate, resorcinol, epoxidized soybean oil, epoxychloropropane.
The antifreezing agent is selected from one of ethylene glycol, glycerine.
The synergist select code name SP-4078, organosilicon, hypertonic anesthetic, except cured dose, one of transdermal element or more
Kind.
The defoaming agent is selected from silicone oil, silicone compound, C10-20 saturated fat acid compounds, C8-10 fat
Alcohol it is one or more.
The filler is in kaolin, diatomite, bentonite, attapulgite, white carbon black, starch, precipitated calcium carbonate
It is one or more.
The present invention has apparent synergistic effect using pyraclostrobin and Thymol as the composite bactericide of effective component,
Delay the generation of key drug resistance, and reduce production and application costs, is suitable for preventing and treating the sight such as fruit tree, vegetables, flowers
Appreciate plant, various powdery mildews of field crops, downy mildew, scab, leaf spot, epidemic disease.
It has also been found that arecaidine and capsaicine are added in the suspending agent of pyraclostrobin and Thymol, no
The control efficiency of disease can be only effectively improved, and the stability of preparation can be greatly improved, the lasting period is longer.
Specific embodiment
For technical solution of the present invention, purpose and advantage is more clearly understood, present invention following specific embodiments
It is illustrated, but the present invention is not limited to these examples.Effect experiment of the invention is by the way of field trial, such as without spy
Not mentionleting alone bright, mentioned below ratio is all mass parts ratio.
Embodiment 1 prevents and treats the field control effectiveness test of the mould powdery mildew of grass
22% pyraclostrobin Thymol microemulsion
By following weight proportion:
Test place: Hainan Chengmai
Comparison medicament: 30% pyraclostrobin missible oil, 40% benzene Fomepizole kresoxim-methyl suspending agent, 10% Thymol are micro-
It is routinely spraying to be diluted with water to 30L for emulsion.
Table 1 prevents and treats the mould powdery mildew field control effectiveness test result of grass
As can be seen from Table 1: the mould powdery mildew preventive effect of 1 pair of grass of the embodiment of the present invention is apparently higher than other comparison medicaments,
With excellent control efficiency.Specifically: preventive effect is averaged up to 92% using 1 pair of mould powdery mildew of grass of embodiment in the case of same dose
More than, and other comparison medicaments only have 74%-83%.
The field control effectiveness test of the prevention and treatment cucumber downy mildew of embodiment 2
It is respectively configured in 44% pyraclostrobin Thymol suspending agent (24%:20%), 5% pyraclostrobin hundred
Fragrant phenol suspending agent (1%:4%), 60% pyraclostrobin Thymol suspending agent (40%:20%), 26% pyrazoles ether bacterium
Ester Thymol suspending agent (25%:1%), 26% pyraclostrobin Thymol suspending agent (1%:25%)
Other auxiliary materials press following weight proportion:
Test place: Hainan Le Dong
Comparison medicament: 25% pyraclostrobin suspending agent, 45% alkene acyl pyraclostrobin suspending agent, 66.5% Propamocarb
It is routinely spraying to be diluted with water to 30L for hydrochloride aqua.
The field control effectiveness test of the prevention and treatment cucumber downy mildew of table 2
As can be seen from Table 2: the embodiment of the present invention 2 is apparently higher than other comparison medicaments to cucumber downy mildew,
With excellent control efficiency.Specifically: preventive effect is averaged up to 83% to cucumber downy mildew using embodiment 2 in the case of same dose
More than, and other comparison medicaments only have 75%-80%.
The field control effectiveness test of the prevention and treatment capsicum epidemic disease of embodiment 3
22% pyraclostrobin Thymol microemulsion
By following weight proportion:
Test place: Hainan Chengmai
Comparison medicament: 30% pyraclostrobin missible oil, 45% alkene acyl pyraclostrobin suspending agent, 10% Thymol are micro-
It is routinely spraying to be diluted with water to 30L for emulsion
Table 3 prevents and treats capsicum epidemic disease field control effectiveness test result
As can be seen from Table 3: the embodiment of the present invention 3 is apparently higher than other comparison medicaments to capsicum epidemic disease preventive effect, tool
There is excellent control efficiency.Specifically: using embodiment 3 in the case of same dose to capsicum epidemic disease be averaged preventive effect up to 88% with
On, and other comparison medicament 73%-82%.
The field control effectiveness test of the prevention and treatment betel nut anthracnose of embodiment 4
22%% pyraclostrobin Thymol microemulsion
By following weight proportion:
Test place: Hainan Chengmai
Comparison medicament: 30% pyraclostrobin missible oil, 20% micro-emulsion of phenyl ether methyl cyclic-azole, 10% Thymol microemulsion,
It is routinely spraying to be diluted with water to 30L.
Table 4 prevents and treats betel nut anthracnose field control effectiveness test result
As can be seen from Table 4: the embodiment of the present invention 4 is apparently higher than other comparison medicaments to betel nut anthracnose preventive effect,
With excellent control efficiency.Specifically: preventive effect is averaged up to 90% to betel nut anthracnose using embodiment 3 in the case of same dose
More than, and other comparison medicament 75%-80%.
The field control effectiveness test 2 of the prevention and treatment cucumber downy mildew of embodiment 5
44% pyraclostrobin Thymol suspending agent
By following weight proportion:
Test place: Hainan Le Dong
Comparison medicament: 25% pyraclostrobin suspending agent, 45% alkene acyl pyraclostrobin suspending agent, 66.5% Propamocarb
It is routinely spraying to be diluted with water to 30L for hydrochloride aqua.
The field control effectiveness test of the prevention and treatment cucumber downy mildew of table 5
As can be seen from Table 5: the embodiment of the present invention 5 is apparently higher than other comparison medicaments to cucumber downy mildew,
With excellent control efficiency.Specifically: preventive effect is averaged up to 95% to cucumber downy mildew using embodiment 5 in the case of same dose
More than, and other comparison medicaments only have 75%-80%.
The field control effectiveness test 3 of the prevention and treatment cucumber downy mildew of embodiment 6
44% pyraclostrobin Thymol suspending agent
By following weight proportion:
Test place: Hainan Le Dong
Comparison medicament: 25% pyraclostrobin suspending agent, 45% alkene acyl pyraclostrobin suspending agent, 66.5% Propamocarb
It is routinely spraying to be diluted with water to 30L for hydrochloride aqua.
The field control effectiveness test of the prevention and treatment cucumber downy mildew of table 6
As can be seen from Table 6: the embodiment of the present invention 6 is apparently higher than other comparison medicaments to cucumber downy mildew,
With excellent control efficiency.Specifically: preventive effect is averaged up to 96% to cucumber downy mildew using embodiment 6 in the case of same dose
More than, and other comparison medicaments only have 75%-80%.
Interpretation of result:
In conclusion the present invention contains the bactericidal composition of pyraclostrobin and Thymol, to the mould powdery mildew of grass, cucumber
Downy mildew, capsicum epidemic disease and betel nut anthracnose have a good control efficiency, and it is to Target crops safety, increase arecaidine and
Capsaicine also acts as further synergistic effect.Compound preparation not only increases preventive effect, and expands fungicidal spectrum, widens using model
It encloses, reduces cost, play the role of that a medicine is simultaneous to be controlled to multiple diseases, mitigate manpower and material resources, improve productivity effect.So this is multiple
The invention of preparaton has a very important significance society with popularization.
The performance measurement of embodiment 7:44% pyraclostrobin Thymol suspending agent
It suspends respectively to 44% pyraclostrobin Thymol suspending agent of embodiment 2, embodiment 5, embodiment 6
The measurement of the performances such as rate and thermodynamic stability.Suspensibility is measured referring to " GB/T 14825-2006 agricultural-chemical suspension rate measuring method ",
Resolution ratio is measured referring to " GB/T 19136-2003 pesticide thermodynamic stability standard ".The results are shown in Table 7.
Suspensibility, resolution ratio and the layering ratio result of the different suspending agents of table 7
As can be seen from Table 7: embodiment 5 and 6 room temperature storage of embodiment 14 days and heat store up 14 days resolution ratios and layerings
Rate is below embodiment 2；It can be seen that arecaidine and capsaicine are added in pyraclostrobin Thymol suspending agent of the present invention,
Suspensions stability can be effectively improved.
The above content is specific embodiment is combined, further detailed description of the invention, and it cannot be said that this hair
Bright specific implementation is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, it is not taking off
Under the premise of from present inventive concept, a number of simple deductions or replacements can also be made.
Claims (7)
1. a kind of bactericidal composition containing pyraclostrobin and Thymol, it is characterised in that: pyraclostrobin and thyme
The mass ratio of phenol is 1~25:25~1.
2. the bactericidal composition according to claim 1 containing pyraclostrobin and Thymol, it is characterised in that: pyrazoles
The mass ratio of kresoxim-methyl and Thymol is 6:5.
3. the bactericidal composition according to claim 1 containing pyraclostrobin and Thymol, it is characterised in that: described
The dosage form of bactericidal composition is missible oil, suspending agent, wettable powder, aqueous emulsion, microemulsion and microcapsule formulations.
4. the bactericidal composition according to claim 1 containing pyraclostrobin and Thymol, it is characterised in that: described
The dosage form of bactericidal composition is suspending agent, arecaidine and capsaicine is also contained in suspending agent, arecaidine and capsaicine are outstanding
Total weight in floating agent accounts for the 2%~5% of the entire quality of the pharmaceutical preparations.
5. the bactericidal composition according to claim 4 containing pyraclostrobin and Thymol, it is characterised in that: betel nut
The mass ratio of secondary alkali and capsaicine is 1:3~5.
6. the bactericidal composition according to claim 1 containing pyraclostrobin and Thymol, it is characterised in that: pyrazoles
Kresoxim-methyl and the total weight of Thymol in the formulation account for the 5%~60% of the entire quality of the pharmaceutical preparations.
7. described in any item bactericidal compositions containing pyraclostrobin and Thymol according to claim 1~6, feature
Be: the bactericidal composition is for preventing and treating plant powdery mildew, downy mildew, scab, leaf spot, epidemic disease and anthracnose.
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| CN201910195616.1A CN109819992B (en) | 2019-03-15 | 2019-03-15 | Bactericidal composition containing pyraclostrobin and thymol |
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| CN201910195616.1A CN109819992B (en) | 2019-03-15 | 2019-03-15 | Bactericidal composition containing pyraclostrobin and thymol |
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| CN109819992B CN109819992B (en) | 2020-10-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111345297A (en) * | 2020-04-08 | 2020-06-30 | 广西壮族自治区亚热带作物研究所（广西亚热带农产品加工研究所） | Pesticide composition for preventing and treating pineapple black rot |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015099571A1 (en) * | 2013-12-24 | 2015-07-02 | Государственное научное учреждение Всероссийский научно-исследовательский институт фитопатологии Российской академии сельскохозяйственных наук (ГНУ ВНИИФ Россельхозакадемии) | Composite preparation with fungicidal activity for protecting plants against pathogens, including pathogens resistant to commercial fungicides |
-
2019
- 2019-03-15 CN CN201910195616.1A patent/CN109819992B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015099571A1 (en) * | 2013-12-24 | 2015-07-02 | Государственное научное учреждение Всероссийский научно-исследовательский институт фитопатологии Российской академии сельскохозяйственных наук (ГНУ ВНИИФ Россельхозакадемии) | Composite preparation with fungicidal activity for protecting plants against pathogens, including pathogens resistant to commercial fungicides |
Non-Patent Citations (2)
| Title |
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| JONG H. KIM ET AL.: "Controlling food-contaminating fungi by targeting their antioxidative stress-response system with natural phenolic compounds", 《APPL MICROBIOL BIOTECHNOL》 * |
| 贾益群 牟峻 主编: "《食品添加剂和药剂辅料质谱与红外光谱鉴定》", 31 December 2007 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111345297A (en) * | 2020-04-08 | 2020-06-30 | 广西壮族自治区亚热带作物研究所（广西亚热带农产品加工研究所） | Pesticide composition for preventing and treating pineapple black rot |
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Address after: 570100 east of meilang Road, Industrial Avenue, Laocheng Development Zone, Chengmai County, Hainan Province Patentee after: Hainan Bowei Biotechnology Co.,Ltd. Address before: 571900 East of Meilang Road, Industrial Avenue, Old Town Development Zone, Chengmai County, Hainan Province Patentee before: HAINAN BOSSWELL AGRICHEMICAL CO.,LTD. |