CN102870779A - Compound bactericide of chitosan oligosaccharide and dioctyl divinyltriamino glycine acetate - Google Patents
Compound bactericide of chitosan oligosaccharide and dioctyl divinyltriamino glycine acetate Download PDFInfo
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- CN102870779A CN102870779A CN2012103367189A CN201210336718A CN102870779A CN 102870779 A CN102870779 A CN 102870779A CN 2012103367189 A CN2012103367189 A CN 2012103367189A CN 201210336718 A CN201210336718 A CN 201210336718A CN 102870779 A CN102870779 A CN 102870779A
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- chitosan oligosaccharide
- bactericide
- bacterium amine
- compound bactericide
- hot bacterium
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Abstract
The invention relates to a compound bactericide of chitosan oligosaccharide and dioctyl divinyltriamino glycine acetate. The compound bactericide is characterized by being prepared from 1 to 45 mass percent of chitosan oligosaccharide and 1 to 50 mass percent of dioctyl divinyltriamino glycine acetate which serve as active ingredients of a preparation and the balance of a pesticide aid, a solvent or a carrier, wherein the bactericide composition can be water aqua, a suspending agent, wettable powder and aqueous dispersion granules. The compound bactericide is used for preventing and controlling rice blast. By the compound bactericide, the pesticide resistance of pathogene is overcome and delayed, and the disease resistance of crops is improved; and the compound bactericide has a synergistic effect, and is safe in application and environment-friendly.
Description
Technical field
The invention belongs to technical field of pesticide, be specifically related to a kind of chitosan oligosaccharide and hot bacterium amine acetate composite bactericide.
Background technology
Rice blast is one of important disease of paddy rice, and with rice sheath blight disease, rice green smut, Virus Diseases of Rice and claim paddy rice four large diseases, this disease is widely distributed, and the whole world approximately has more than 80 countries and regions that this disease occurs, and China's South And North Rice Regions also all has generation.The disease Prevalent district, the general underproduction 10%～20% can reach 40%～50% when serious, especially heavy field even No kernels or seeds are gathered, as in a year of scarcity.
At present, mainly take the measures such as breeding resistant variety, chemical control and reinforcement cultivation management for the control of rice blast.Wherein disease-resistant variety is based on the vertical resistance kind on " gene pairs gene " theory basis more, and the genetic variation of Pyricularia oryzae is very frequent, the long-term large tracts of land of single disease-resistant variety is used its physiological race composition and structure is changed, thereby causes the forfeiture of disease resistance.
Chemical control has economical and effective, convenience, the advantage such as rapid-action, and therefore, chemical control is the important component part in the Rice Blast Integrated Management system always.
Yet, use separately chemical pesticide to exist a lot of problems.Phytopathogen has diversity, and easily variation, gradually chemical agent is produced resistance.So, need to continue to increase using dosage or develop new medicament and obtain better control efficiency.So just aggravated the residual threat to environment and human health of chemical pesticide.Therefore, use biopesticide and chemical pesticide to carry out composite, reducing the consumption of chemical pesticide, the while can reduce independent use biopesticide cost, improve preventive effect, delay the resistance of phytopathogen.
Chitosan oligosaccharide is the product of chitin or shitosan decomposed, is a class by N-acetamide and glucose or the Glucosamine carbohydrate by the low polymerization degree (3-10) that β-the Isosorbide-5-Nitrae glycosidic bond couples together.Compare with this large biological molecule of chitin and shitosan, it has unique physiologically active and function, such as water-soluble, moisture retention, antibiotic property, antitumor and immune promotion etc.Recent study finds can be used as a kind of inducible factor, the expression that improves plant self-defense enzyme is had certain effect, but the immunity of Effective Raise crop, and the raising of this immunity does not cause the retardation of plant growth, the growth of crop is not produced poisoning yet, and chitosan oligosaccharide itself is nontoxic, so can not produce medicament residue to the fruit of crop harvesting.
Hot bacterium amine acetate, chemical name N, N-di-n-octyl diethylenetriamine acetate is interior suction protective fungicide.Its sterilization mechanism is to solidify germ protein, destroys the germ cell membrane, suppresses germ and breathes, and makes the sex change of germ enzyme system, thus kill pathogens.
Chitosan oligosaccharide and hot bacterium amine acetate are composite among the present invention promotes plant growth, improves the resistance of plant, suppresses the generation of harmful cell in the plant corpus, reaches the biocidal efficacies of efficient, low toxicity, safety after the two is rationally composite.
Summary of the invention
The present invention is a kind of chitosan oligosaccharide and hot bacterium amine acetate composite bactericide, can effectively prevent rice blast, and the two composite consumption that reduces chemical pesticide, can reduce simultaneously independent use biopesticide cost, improve preventive effect, delay the resistance of phytopathogen.Composite bactericide of the present invention is a kind of efficient, low toxicity, be difficult for causing the environmentally friendly composition pesticide of resistance.
The present invention is a kind of chitosan oligosaccharide and hot bacterium amine acetate composite bactericide, it is characterized in that: be the active ingredient of preparation with chitosan oligosaccharide and hot bacterium amine acetate, be aided with that insecticides adjuvant is composite to be formed, wherein the mass percent of each composition is chitosan oligosaccharide 1%-45%, hot bacterium amine acetate 1%-50%, all the other are insecticides adjuvant, solvent or carrier.
Described composite bactericide formulation is aqua, suspending agent, wetting powder, water dispersion granule.
Described composite bactericide is used for the control rice blast.
Specific embodiment
The hot bacterium amine of embodiment 1 preparation, 30% chitosan oligosaccharide acetate aqua
Active ingredient mass percent (%): chitosan oligosaccharide: hot bacterium amine acetate is 5:25
Auxiliary agent mass percent (%): surfactant neopelex 5.0
Percentage of solvents (%): deionized water is supplied surplus.
The hot bacterium amine of embodiment 2 preparations, 30% chitosan oligosaccharide acetate suspending agent
Active ingredient mass percent (%): chitosan oligosaccharide: hot bacterium amine acetate is 5:25
Auxiliary agent mass percent (%): wetting dispersing agent: sodium lignin sulfonate is 8.0; Thickener: xanthan gum is 2.0; Defoamer: organic silicone 2.0; Preservative: sodium citrate 0.5
Percentage of solvents (%): deionized water is supplied surplus.
In order to verify that the present invention to the control efficiency of rice blast, has carried out indoor and field experiment.Experimental result is as follows:
1, chitosan oligosaccharide of the present invention and hot bacterium amine acetate composite bactericide are on the impact of magnaporthe grisea spore sprouting
The hot bacterium amine acetate aqua of preparation 30% chitosan oligosaccharide of the present invention and the hot bacterium amine of 30% chitosan oligosaccharide acetate suspending agent are made respectively 800 times of dilutions, 1000 times of dilutions and 500 times of dilutions, 1000 times of dilutions, do contrast with sterile water.Cultured Pyricularia oryzae is made spore suspension on water agar, and each is processed 2mL and adds the 1mL treatment fluid, puts into 28 ℃ of incubators behind the mixing and cultivates, observed and recorded result behind the 3h.The calculation correction germination rate, relative inhibition is analyzed significance.
Proofread and correct germination rate=chemicals treatment germination rate/contrast germination rate
Relative inhibition=1-proofreaies and correct germination rate
The impact that table 1 chitosan oligosaccharide and hot bacterium amine acetate composite bactericide are sprouted magnaporthe grisea spore
As shown in Table 1 chitosan oligosaccharide and hot bacterium amine acetate composite after, its inhibiting rate that magnaporthe grisea spore is sprouted is all apparently higher than the inhibiting rate of the hot bacterium amine of single dose acetate, so the two has obvious synergistic effect after composite.
2, chitosan oligosaccharide of the present invention and hot bacterium amine acetate composite bactericide are to the preventive effect (land for growing field crops) of rice leaf pest
Test according to GB/T17980.19-2000 bactericidal agent for preventing and treating paddy rice (agricultural university 28) leaf diseases test rule.Sterile water, 500 times of liquid of the hot bacterium amine acetate aqua of 30% chitosan oligosaccharide, 1000 times of liquid of the hot bacterium amine acetate aqua of 30% chitosan oligosaccharide, 800 times of liquid of the hot bacterium amine acetate suspending agent of 30% chitosan oligosaccharide, 1000 times of liquid of the hot bacterium amine acetate suspending agent of 30% chitosan oligosaccharide, 35% hot 500 times of liquid of bacterium amine acetate aqua and 1000 times of liquid of 35% hot bacterium amine acetate aqua are set, every processing repeats every residential quarter area 15m four times
2, the residential quarter randomized arrangement.Select calm or the dispenser of gentle breeze weather, (spore concentration is 10 to spray magnaporthe grisea spore suspension behind the dispenser 24h
6Individual/mL).Incidence investigated (5 samplings in every residential quarter are got 50 strains at every, following three leaves of every strain investigation young leaves) in 14 days after the dispenser.
Table 2 chitosan oligosaccharide and hot bacterium amine acetate composite bactericide are to the leaf blast in rice control efficiency
As shown in Table 1 chitosan oligosaccharide and hot bacterium amine acetate composite after, all apparently higher than the control efficiency of the hot bacterium amine of single dose acetate, this illustrates that the two has obvious synergistic effect after composite to the control efficiency of leaf blast in rice for it.
Claims (3)
1. a chitosan oligosaccharide and hot bacterium amine acetate composite bactericide, it is characterized in that: be the active ingredient of preparation with chitosan oligosaccharide and hot bacterium amine acetate, be aided with that insecticides adjuvant is composite to be formed, wherein the mass percent of each composition is chitosan oligosaccharide 1%-45%, hot bacterium amine acetate 1%-50%, all the other are insecticides adjuvant, solvent or carrier.
2. composite bactericide according to claim 1, it is characterized in that: the bactericide formulation is aqua, suspending agent, wetting powder, water dispersion granule.
3. composite bactericide according to claim 1 is characterized in that this composite bactericide is used for the control rice blast.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103367189A CN102870779A (en) | 2012-09-13 | 2012-09-13 | Compound bactericide of chitosan oligosaccharide and dioctyl divinyltriamino glycine acetate |
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| CN2012103367189A CN102870779A (en) | 2012-09-13 | 2012-09-13 | Compound bactericide of chitosan oligosaccharide and dioctyl divinyltriamino glycine acetate |
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| CN102870779A true CN102870779A (en) | 2013-01-16 |
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| CN2012103367189A Pending CN102870779A (en) | 2012-09-13 | 2012-09-13 | Compound bactericide of chitosan oligosaccharide and dioctyl divinyltriamino glycine acetate |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103960286A (en) * | 2014-05-06 | 2014-08-06 | 江苏东宝农药化工有限公司 | Synergistic fungicide composition containing bacillus licheniformis and preparation method thereof |
| CN106719665A (en) * | 2016-11-21 | 2017-05-31 | 许卫峰 | A kind of bactericide of the sugar of polyene containing Portugal and Xinjunan acetate |
| CN107549170A (en) * | 2017-09-30 | 2018-01-09 | 京博农化科技股份有限公司 | A kind of bactericidal composition |
| CN109362725A (en) * | 2018-12-04 | 2019-02-22 | 山东胜邦绿野化学有限公司 | A kind of nematicidal composition containing octyl trichlamide |
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| US3912816A (en) * | 1970-02-27 | 1975-10-14 | Goldschmidt Ag Th | Certain bactericidal triamine |
| CN1692724A (en) * | 2005-04-30 | 2005-11-09 | 常大勇 | Biological antibiotic chemicals |
| CN101385470A (en) * | 2008-10-24 | 2009-03-18 | 吉林省农业科学院 | Novel environmental protection compound pesticide for preventing and treating rice blast |
| CN102204547A (en) * | 2011-04-06 | 2011-10-05 | 黄廷纪 | Bactericide for preventing and controlling rice blast |
| CN102239844A (en) * | 2011-05-05 | 2011-11-16 | 海利尔药业集团股份有限公司 | Pesticide composition containing Cytosinpeptidemycin and Xinjunan |
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2012
- 2012-09-13 CN CN2012103367189A patent/CN102870779A/en active Pending
Patent Citations (5)
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| US3912816A (en) * | 1970-02-27 | 1975-10-14 | Goldschmidt Ag Th | Certain bactericidal triamine |
| CN1692724A (en) * | 2005-04-30 | 2005-11-09 | 常大勇 | Biological antibiotic chemicals |
| CN101385470A (en) * | 2008-10-24 | 2009-03-18 | 吉林省农业科学院 | Novel environmental protection compound pesticide for preventing and treating rice blast |
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| CN102239844A (en) * | 2011-05-05 | 2011-11-16 | 海利尔药业集团股份有限公司 | Pesticide composition containing Cytosinpeptidemycin and Xinjunan |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103960286A (en) * | 2014-05-06 | 2014-08-06 | 江苏东宝农药化工有限公司 | Synergistic fungicide composition containing bacillus licheniformis and preparation method thereof |
| CN103960286B (en) * | 2014-05-06 | 2018-07-03 | 江苏东宝农化股份有限公司 | A kind of synergy fungicide composite containing bacillus licheniformis and preparation method thereof |
| CN106719665A (en) * | 2016-11-21 | 2017-05-31 | 许卫峰 | A kind of bactericide of the sugar of polyene containing Portugal and Xinjunan acetate |
| CN107549170A (en) * | 2017-09-30 | 2018-01-09 | 京博农化科技股份有限公司 | A kind of bactericidal composition |
| CN109362725A (en) * | 2018-12-04 | 2019-02-22 | 山东胜邦绿野化学有限公司 | A kind of nematicidal composition containing octyl trichlamide |
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Application publication date: 20130116 |