CN104351180A - Microcapsule suspension for preventing and controlling rice false smut - Google Patents
Microcapsule suspension for preventing and controlling rice false smut Download PDFInfo
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- CN104351180A CN104351180A CN201410584526.9A CN201410584526A CN104351180A CN 104351180 A CN104351180 A CN 104351180A CN 201410584526 A CN201410584526 A CN 201410584526A CN 104351180 A CN104351180 A CN 104351180A
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- capsule suspension
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- chitosan oligosaccharide
- jinggangmycin
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Abstract
The invention relates to a microcapsule suspension for preventing and controlling rice false smut, and belongs to the field of biological pesticides. Active ingredients in the microcapsule suspension comprise chitosan oligosaccharide and validamycin A. The microcapsule suspension has good prevention and control effects on rice false smut; by synergy between the resistance induction of the chitosan oligosaccharide and the fungicidal activity of the validamycin A, the prevention and control effects on rice false smut are effectively enhanced, remarkable prevention and control effects can be achieved during early or later symptom appearance, and the microcapsule suspension is long in optimum period of medication.
Description
Technical field
The present invention relates to a kind of micro-capsule suspension for preventing and treating rice green smut, being specifically related to the micro-capsule suspension for preventing and treating rice green smut that a kind of active ingredient is chitosan oligosaccharide and jinggangmycin A, belonging to field of biological pesticide.
Background technology
Rice green smut, also known as pseudo-smut, green smut, paddy blossom disease, blue or green powder disease, is commonly called as " high yield fruit ".This disease only betides fringe portion, part grain of causing harm.To be injured the reveal any symptoms of rice green smut: form mycelia block in grain and gradually expand, in coetoniumly to split, expose faint yellow block, i.e. spore seat, after be wrapped in interior coetonium both sides, in blackish green, first outsourcing thin film, after break, scattered blackish green powder, the i.e. chlamydospore of germ, the flat sclerotium of the raw black in some both sides, exposes to wind and rain and easily comes off.Hebei, the Yangtze river basin and rice district of southern each province happen occasionally.
Chitosan oligosaccharide and Chitosan poly oligosaccharide, also claim chitin oligo saccharide, formal name used at school β-Isosorbide-5-Nitrae-oligosaccharides-gucosamine, and being a kind of product obtained through special biological enzyme technology process by shitosan, is a kind of good water solubility, and function is large, the low molecular weight product that biologically active is high.Chitosan oligosaccharide, by being adsorbed on bacterial cell surface, forming one deck polymeric membrane, thus plays restraining and sterilizing bacteria effect; Another kind of mechanism is that chitosan oligosaccharide passes through to penetrate in bacterial cell body, the cytoplasm with anion in cyton is flocculated, upsets the normal physiological activity of cell, thus kill bacteria.In general, molecular weight is larger, and the outer membrane formed is finer and close, nutriment more can be stoped to enter bacterial cell, thus antibacterial action successful; Molecular weight is less, more easily enters in the gap structure of cell wall, thus the metabolism of interference cell, bactericidal action is obvious.Chitosan oligosaccharide itself, containing abundant carbon and nitrogen, can be decomposed by the microorganisms and to utilize and as the nutrient of plant growth, chitosan oligosaccharide can promote that beneficial microorganism grows and suppresses some phytopathogens.Chitosan oligosaccharide also can stimulating plant growth and the disease resistance of inducing plant, has direct repression to a certain degree to various plants pathogen.
Jinggangmeisu comprises jinggangmycin A and jinggangmeisu (mixture of jinggangmycin A and its isomer B, C, D, E, F), at present by the single dose of national agriculture chemical registration, is mainly used in control crop banded sclerotial blight.Its compound formulation includes, composite with waxy Bacillus, for preventing and treating banded sclerotial blight, rice blast, head blight; Composite with carbendazim, for preventing and treating banded sclerotial blight, rice blast, head blight; Composite with tricyclazole, for preventing and treating banded sclerotial blight, rice blast, false smut; Composite with carbendazim, for preventing and treating rice blast, false smut; With olefin conversion or ucleosides antibiotic composite, for preventing and treating banded sclerotial blight, false smut; With own azoles alcohol or oxyenadenine composite, for preventing and treating banded sclerotial blight; Composite with bacillus subtilis, for preventing and treating false smut.Jinggangmeisu is to people and animals' low toxicity, and to birds fish safety, absorption farm antibiotics series bactericidal agent in belonging to, by disturbing and suppressing pathogen cell normal growth to be grown, plays therapeutic action.
In prior art, the usage amount of agricultural chemicals is increasing, not only makes crop produce resistance, also bringing serious pollution to environment, for the problems referred to above, the invention provides a kind of micro-capsule suspension for preventing and treating rice green smut.
Technical scheme of the present invention is as follows:
For preventing and treating a micro-capsule suspension for rice green smut, active ingredient is chitosan oligosaccharide and jinggangmycin A.In the present invention, active ingredient content is by mass percentage 0.1%-4% chitosan oligosaccharide and 5%-30% jinggangmycin A; Preferably, active ingredient content is by mass percentage 0.5%-2.5% chitosan oligosaccharide and 8%-25% jinggangmycin A; Preferred, active ingredient content is by mass percentage 0.5%-2% chitosan oligosaccharide and 10%-20% jinggangmycin A; Most preferred, active ingredient content is by mass percentage 1.5% chitosan oligosaccharide and 15% jinggangmycin A.
Further, micro-capsule suspension of the present invention, solvent is dimethylbenzene, and emulsifier is selected from Nongru-700 #, agriculture breast 2201#, and encystation monomer is PPG, wetting dispersing agent is alkyl phenol formaldehyde resin polyoxyethylene ether sodium sulphate (SOPA), antifreezing agent is glycerine, and thickener is that the arbitrary proportion of xanthans and polyvinyl alcohol combines, preferably, the mass ratio of xanthans and polyvinyl alcohol is 1:1, and preservative is Sodium Benzoate.
The present composition has extraordinary control efficiency to rice green smut, the present invention utilizes the bactericidal activity of active polysaccharide induction of resistance and jinggangmycin A to have the collaborative effect be added, effectively enhance effect rice green smut being had concurrently to prevention and therapy, morbidity early stage or morbidity later stage all can reach control efficiency significantly, and medication optimum period is long.
Summary of the invention
Embodiment
Further describe the present invention below in conjunction with specific embodiment, advantage and disadvantage of the present invention will be more clear along with description.But embodiment is only exemplary, does not form any restriction to scope of the present invention.It will be understood by those skilled in the art that and can modify to the details of technical solution of the present invention and form or replace down without departing from the spirit and scope of the present invention, but these amendments and replacement all fall within the scope of protection of the present invention.
Embodiment 1
A kind of micro-capsule suspension for preventing and treating rice green smut, be made up of following component by mass percentage: 0.5% chitosan oligosaccharide, jinggangmycin A 5%, Nongru-700 # 2%, agriculture breast 2201# 2%, PPG 0.5%, alkyl phenol formaldehyde resin polyoxyethylene ether sodium sulphate (SOPA) 2%, glycerine 1.5%, xanthans 3%, polyvinyl alcohol 1%, Sodium Benzoate 0.3%, dimethylbenzene are mended to 100%, by above-mentioned each composition application conventional pesticide process technology, the micro-capsule suspension being applicable to agriculturally using made.
Embodiment 2
A kind of micro-capsule suspension for preventing and treating rice green smut, be made up of following component by mass percentage: 2% chitosan oligosaccharide, jinggangmycin A 15%, Nongru-700 # 1.5%, agriculture breast 2201# 3%, PPG 0.1%, alkyl phenol formaldehyde resin polyoxyethylene ether sodium sulphate (SOPA) 3%, glycerine 2%, xanthans 1.5%, polyvinyl alcohol 1.5%, Sodium Benzoate 0.5%, dimethylbenzene are mended to 100%, by above-mentioned each composition application conventional pesticide process technology, the micro-capsule suspension being applicable to agriculturally using made.
Embodiment 3
A kind of micro-capsule suspension for preventing and treating rice green smut, be made up of following component by mass percentage: 3% chitosan oligosaccharide, jinggangmycin A 30%, Nongru-700 # 2%, agriculture breast 2201# 3%, PPG 0.4%, alkyl phenol formaldehyde resin polyoxyethylene ether sodium sulphate (SOPA) 2.5%, glycerine 3%, xanthans 2%, polyvinyl alcohol 1%, Sodium Benzoate 0.3%, dimethylbenzene are mended to 100%, by above-mentioned each composition application conventional pesticide process technology, the micro-capsule suspension being applicable to agriculturally using made.
Test example 1 the present invention is to the control efficiency of rice green smut
1, test process and method:
Test process and spraying concentration are in table 1, and the jinggangmycin A spraying concentration arranged in each process is 200ppm.
Sample 1-3: be respectively the medicament that embodiment of the present invention 1-3 is composite;
Contrast CK
1: 1% chitosan oligosaccharide aqua (commercially available);
Contrast CK
2: the solvable pulvis of 10% jinggangmycin A (commercially available);
Contrast CK
0: clear water contrasts
Table 1 is tested process and is arranged
Rice green smut their early stage starts first time medication, is the sprayer of 0.7mm, arranges process wheat by table 1 with injection diameter, often processes repetition 3 times, 7 days, interval, second time dispenser.
Investigation state of an illness radix before dispenser, after second time dispenser 7 days, investigation mark incidence.Severity Scaling and drug effect computational methods are undertaken by " pesticide field efficacy medicine test criterion (one) " GB/T17980.19-2000.Rice green smut control efficiency is as shown in table 2:
Table 2 the present invention is to the control efficiency of rice green smut
Table 2 result shows, and the present invention has control efficiency significantly to rice green smut.
Claims (8)
1. for preventing and treating a micro-capsule suspension for rice green smut, it is characterized in that, in described micro-capsule suspension, active ingredient is chitosan oligosaccharide and jinggangmycin A.
2. a kind of micro-capsule suspension for preventing and treating rice green smut according to claim 1, is characterized in that, in described micro-capsule suspension, active ingredient content is by mass percentage 0.1%-4% chitosan oligosaccharide and 5%-30% jinggangmycin A.
3. a kind of micro-capsule suspension for preventing and treating rice green smut according to claim 2, is characterized in that, in described micro-capsule suspension, active ingredient content is by mass percentage 0.5%-2.5% chitosan oligosaccharide and 8%-25% jinggangmycin A.
4. a kind of micro-capsule suspension for preventing and treating rice green smut according to claim 3, is characterized in that, in described micro-capsule suspension, active ingredient content is by mass percentage 0.5%-2% chitosan oligosaccharide and 10%-20% jinggangmycin A.
5. a kind of micro-capsule suspension for preventing and treating rice green smut according to claim 4, is characterized in that, in described micro-capsule suspension, active ingredient content is by mass percentage 1.5% chitosan oligosaccharide and 15% jinggangmycin A.
6. the micro-capsule suspension according to any one of claim 1-5, it is characterized in that, in described micro-capsule suspension, solvent is dimethylbenzene, emulsifier is selected from Nongru-700 # or agriculture breast 2201#, encystation monomer is PPG, and wetting dispersing agent is alkyl phenol formaldehyde resin polyoxyethylene ether sodium sulphate (SOPA), and antifreezing agent is glycerine, thickener is that the arbitrary proportion of xanthans and polyvinyl alcohol combines, and preservative is Sodium Benzoate.
7. micro-capsule suspension according to claim 6, is characterized in that, in described micro-capsule suspension, emulsifier is Nongru-700 #.
8. micro-capsule suspension according to claim 6, is characterized in that, the mass ratio of xanthans and polyvinyl alcohol described in described micro-capsule suspension is 1:1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410584526.9A CN104351180B (en) | 2014-10-28 | 2014-10-28 | A kind of micro-capsule suspension for preventing and treating rice green smut |
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| CN201410584526.9A CN104351180B (en) | 2014-10-28 | 2014-10-28 | A kind of micro-capsule suspension for preventing and treating rice green smut |
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| CN104351180A true CN104351180A (en) | 2015-02-18 |
| CN104351180B CN104351180B (en) | 2016-08-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105660639A (en) * | 2015-12-31 | 2016-06-15 | 江苏邦盛生物科技有限责任公司 | Bactericide composition containing oligosaccharins and validamycin A, and application thereof |
| CN106804594A (en) * | 2015-12-02 | 2017-06-09 | 中国科学院大连化学物理研究所 | A kind of broad spectrum activity oligosaccharides composite bactericide and its application |
| CN110915816A (en) * | 2019-11-12 | 2020-03-27 | 湖南省植物保护研究所 | Method for preventing and treating false smut of rice |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006188810A (en) * | 2006-02-16 | 2006-07-20 | Taiki:Kk | Hygienically finished fiber product |
| CN1930991A (en) * | 2006-10-01 | 2007-03-21 | 黄高 | Re-compounded germicide containing Bucillus licheniformis |
| CN103283725A (en) * | 2013-05-22 | 2013-09-11 | 江苏省绿盾植保农药实验有限公司 | Sterilization composition containing amino-oligosaccharin and validamycin and application of pesticide composition |
-
2014
- 2014-10-28 CN CN201410584526.9A patent/CN104351180B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006188810A (en) * | 2006-02-16 | 2006-07-20 | Taiki:Kk | Hygienically finished fiber product |
| CN1930991A (en) * | 2006-10-01 | 2007-03-21 | 黄高 | Re-compounded germicide containing Bucillus licheniformis |
| CN103283725A (en) * | 2013-05-22 | 2013-09-11 | 江苏省绿盾植保农药实验有限公司 | Sterilization composition containing amino-oligosaccharin and validamycin and application of pesticide composition |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106804594A (en) * | 2015-12-02 | 2017-06-09 | 中国科学院大连化学物理研究所 | A kind of broad spectrum activity oligosaccharides composite bactericide and its application |
| CN105660639A (en) * | 2015-12-31 | 2016-06-15 | 江苏邦盛生物科技有限责任公司 | Bactericide composition containing oligosaccharins and validamycin A, and application thereof |
| CN110915816A (en) * | 2019-11-12 | 2020-03-27 | 湖南省植物保护研究所 | Method for preventing and treating false smut of rice |
| CN110915816B (en) * | 2019-11-12 | 2021-05-14 | 湖南省植物保护研究所 | Method for preventing and treating false smut of rice |
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| Publication number | Publication date |
|---|---|
| CN104351180B (en) | 2016-08-24 |
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Effective date of registration: 20160622 Address after: 266109, No. 111, sunny road, Chengyang District, Shandong, Qingdao Applicant after: JINAN CAVIN BIOTECHNOLOGY CO., LTD. Address before: 250062, No. ten, No. 16369, Lixia District, Ji'nan City, Shandong Province Applicant before: SHANDONG ZHONGDA PHARMACEUTICAL CO., LTD. |
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Effective date of registration: 20191210 Address after: Room 101, training building, Tiankun Wanbei economic and technological school, southeast corner, intersection of Xiaguang Avenue and 204 provincial road, Tianqiao sub district office, Linquan County, Fuyang City, Anhui Province, 236000 Patentee after: Linquan Bailiang Electronic Information Technology Co., Ltd Address before: 266109, No. 111, sunny road, Chengyang District, Shandong, Qingdao Patentee before: Qingdao Qingzhi Enterprise Management Consulting Co., Ltd. |