CN102617224B - Plant wound protective agent containing chitosan oligosaccharide - Google Patents
Plant wound protective agent containing chitosan oligosaccharide Download PDFInfo
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- CN102617224B CN102617224B CN201210058506.9A CN201210058506A CN102617224B CN 102617224 B CN102617224 B CN 102617224B CN 201210058506 A CN201210058506 A CN 201210058506A CN 102617224 B CN102617224 B CN 102617224B
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- oligochitosan
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- 239000003223 protective agent Substances 0.000 title abstract description 11
- RQFQJYYMBWVMQG-IXDPLRRUSA-N chitotriose Chemical compound O[C@@H]1[C@@H](N)[C@H](O)O[C@H](CO)[C@H]1O[C@H]1[C@H](N)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)N)[C@@H](CO)O1 RQFQJYYMBWVMQG-IXDPLRRUSA-N 0.000 title abstract 4
- 241000196324 Embryophyta Species 0.000 claims abstract description 41
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- 238000013138 pruning Methods 0.000 claims abstract description 15
- 235000016709 nutrition Nutrition 0.000 claims abstract description 13
- 238000002360 preparation method Methods 0.000 claims abstract description 8
- 229920001661 Chitosan Polymers 0.000 claims description 48
- 239000000463 material Substances 0.000 claims description 37
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- 238000000034 method Methods 0.000 claims description 18
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- -1 polypropylene Polymers 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
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- 239000000417 fungicide Substances 0.000 claims description 5
- QGHREAKMXXNCOA-UHFFFAOYSA-N thiophanate-methyl Chemical group COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC QGHREAKMXXNCOA-UHFFFAOYSA-N 0.000 claims description 5
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- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 4
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- 241001079064 Zanthoxylum schinifolium Species 0.000 claims 1
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- 239000004698 Polyethylene Substances 0.000 description 3
- MSWZFWKMSRAUBD-UHFFFAOYSA-N beta-D-galactosamine Natural products NC1C(O)OC(CO)C(O)C1O MSWZFWKMSRAUBD-UHFFFAOYSA-N 0.000 description 3
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- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 1
- LPQOADBMXVRBNX-UHFFFAOYSA-N ac1ldcw0 Chemical compound Cl.C1CN(C)CCN1C1=C(F)C=C2C(=O)C(C(O)=O)=CN3CCSC1=C32 LPQOADBMXVRBNX-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to a plant wound protective agent containing chitosan oligosaccharide which contains chitosan oligosaccharide and one or more of a nutritional agent, an adjusting agent and a sterilizing agent, wherein the weight percentage of the chitosan oligosaccharide accounting for the protective agent is 0.0015-0.03 percent. The plant wound protective agent can be used for spraying or smearing. The prepared solid preparation for smearing also contains a film-forming agent. On one to five days before pruning, girdling or grafting, the wound is sprayed by using the protective agent; and on one to five days after the pruning, girdling or grafting, the wound is smeared by the protective agent, so that disease attacks of the wound can be reduced and the healing of the wound can be promoted. The plant wound protective agent is used for apple trees, pear trees, peach trees, jujube trees, grape trees, mango trees, longan trees, lychee trees, citrus trees, watermelon, maidenhair trees, honeysuckle, Arabian jasmine flower and Chinese rose.
Description
Technical field
The invention belongs to plant protection field, particularly relate to a kind of plants wound protective material that contains oligochitosan.
Background technology
For regulating plant structure, strengthen landscape effect, growth regulation and solid, adjusting nutrient and moisture running and distribution, improve ventilation and penetrating light etc., reach diseases prevention, increasing both production and income, need to fruit tree, flowers, view trees or vegetables be pruned, grafting or band girdle.Plant is being pruned, after the wound such as grafting or band girdle, plants wound position cannot form the environment isolated with the external world immediately, owing to may causing serious dehydration, and various plants pathogenic bacteria may be invaded from wound, and cause that plant falls ill, wilt, cause tree vigo(u)r growth weak, even dead, to orchard worker, flower-grower or greening cause heavy economic losses, as apple tree is pruned the apple tree canker causing, mango is pruned the mango gummosis causing, peach is pruned Peach canker disease causing etc., so impelling plants wound protection is one of important content of the effective management of plant.Because oligochitosan is a class plant immunization class material, disease-resistant, anti-low temperature to plant, volume increase, raising quality etc. produce effect.At present, on market, also do not contain the plants wound protective material of oligochitosan.The present invention, in line with the thought of preventing and treating of putting prevention first, is intended to propose a kind of plants wound protective material that meets environmental requirement, is easy to reduce wound morbidity, promotion wound healing.
Summary of the invention
For solving, reduce wound morbidity, impel wound healing, the invention provides a kind of plants wound protective material that contains oligochitosan.
Concrete, this law is bright provides a kind of plants wound protective material that contains oligochitosan, and it is 0.0015%-0.03% that oligochitosan accounts for this protectant weight percent.Preferably, to account for this protectant weight percent be 0.005%-0.02% to oligochitosan.
Especially concrete, the invention provides a kind of plants wound protective material that contains oligochitosan, it is characterized in that it is 0.0015%-0.03% that oligochitosan accounts for this protectant weight percent.Preferably, it is 0.005%-0.02% that oligochitosan accounts for this protectant weight percent, also contains one or more in nutrition agent, plant-growth regulator, sterilant.
In above-mentioned protective material, nutrition agent is preferably one or more in glycine, potassium primary phosphate, magnesium sulfate, boric acid, ferric sulfate, calcium chloride, urea.
In above-mentioned protective material, conditioning agent is one or more in naphthylacetic acid, indolebutyric acid, humic acids.
In above-mentioned protective material; sterilant is chemical bactericide or botanical fungicide; chemical bactericide is one or more in Azoxystrobin, thiophanate_methyl, m-tetrachlorophthalodinitrile, copper rosinate, lime sulfur mixture preferably, and botanical fungicide is one or more in the tissues such as Root of Indigowoad, Chinese prickly ash, kuh-seng, China tree or extract preferably.
In above-mentioned protective material, preferred, 1-50%, the sterilant that 1-50%, the plant-growth regulator that nutrition agent accounts for protective material gross weight accounts for protective material gross weight accounts for the 1-50% of protective material gross weight.
Above-mentioned protective material can also contain membrane-forming agent, and preferred, binder for film formation is selected from one or more in polyvinylpyrrolidone, polyacrylamide, polypropylene, Vinyl Acetate Copolymer.Preferably, membrane-forming agent accounts for the 60-99% of protective material gross weight.
Above-mentioned protective material of the present invention can be made into any ointment preparation and liquid preparation, for spraying or smearing.Liquid preparation is preferably aqua, microemulsion, suspension agent or water dispersible granules, and ointment preparation is preferably paste.
In above-mentioned protective material, plant is the plant of any easy generation wound, preferably, is selected from apple tree, pear tree, peach, jujube tree, grapevine, mango, longan, litchi, mandarin tree, watermelon, ginkgo, Japanese Honeysuckle, Flower of Arabian Jasmine or Chinese rose.Wherein said wound refers to the wound that plant is caused when pruning, grafting or band girdle.
The present invention also provides the purposes of above-mentioned protection for the protection of plants wound.
The present invention also provides above-mentioned plants wound protectant using method; it is characterized in that 1-5 days before vegetation pruning, grafting or band girdle; wound is sprayed with described protective material, or after vegetation pruning, grafting or band girdle 1-5 days, on wound, smear above-mentioned protective material.Preferably, 2-3 days before vegetation pruning, grafting or the band girdle described protective materials of spraying, or within 1-2 days after vegetation pruning, band girdle or grafting, smear described protective material.
In the present invention, oligochitosan is the mixture of the polymerization degree that glucosamine is formed by connecting by the Isosorbide-5-Nitrae-glycosidic link high molecular polymer that is 2-30, and molecular-weight average is 1000-3000 dalton.Oligochitosan can be prepared by any means, such as following method: the mixture of the chitosan oligomer that the polymerization degree that the chitosan of deacetylation more than 70% prepares by methods such as mechanical degradation method, chemical degradation method, enzyme liberating method, glycosyl transfer method, composite degradation methods is 2-30.Or, by extracting, obtain chitin and the mixture of the chitosan oligomer that the polymerization degree for preparing by methods such as mechanical degradation method, chemical degradation method, enzyme liberating method, glycosyl transfer method, composite degradation methods is 2-30 from fungal cell wall.Or, the mixture of the polymkeric substance that is 2-30 by the polymerization degree being polymerized by the chemosynthesis of Isosorbide-5-Nitrae-glycosidic link by glucosamine.Oligochitosan is the mixture of the high molecular polymer of different polymkeric substance at present, that is to say in oligochitosan to be not the oligosaccharides form of the single polymerization degree, but the oligochitosan monose of every kind of polymerization degree all may exist.So no matter by which kind of method prepare; or the commercially available prod preparing by above-mentioned preparation method; as long as it is that glucosamine passes through 1; the polymerization degree that 4-glycosidic link is formed by connecting is that 2-30, molecular-weight average are that the mixture of the daltonian high molecular polymer of 1000-3000 is exactly oligochitosan of the present invention; it can contain ethanoyl; but the sugar unit of bonding ethanoyl is no more than 40% amount, be preferably no more than 30% amount, be especially preferably no more than 20% amount.The oligochitosan product that commercially available oligochitosan is all set forth for above-mentioned oligochitosan term substantially at present.
Beneficial effect of the present invention:
The present invention has found the protectant excellent effect of the plants wound that contains oligochitosan, especially with the plant protection product that contains oligochitosan, is processing after plant, and plant morbidity is few, and wound healing is fast, and growing way is prosperous.Solved that crop is high at pruning, grafting or band girdle sickness rate, healing is slow, the problem a little less than tree vigo(u)r, improved ecology and the economic benefit of plant.
Embodiment
In order to understand the present invention, with embodiment, further illustrate the present invention below, but do not limit the present invention.
Example of formulations 1:
Oligochitosan 0.02g, binder for film formation polyacrylamide 400g, nutrition agent potassium primary phosphate 20g, conditioning agent indolebutyric acid 5g, fungicide chlorothalonil 100g, add water to 1000g, and stirring and evenly mixing can be smeared application.
Example of formulations 2:
Oligochitosan 0.03g, binder for film formation polyvinylpyrrolidone 500g, nutrition agent magnesium sulfate 50g, conditioning agent naphthylacetic acid 10g, sterilant thiophanate_methyl 150g, add water to 1000g, and stirring and evenly mixing can be smeared application.
Example of formulations 3:
Oligochitosan 0.05g, binder for film formation polyethylene 600g, nutrition agent ferric sulfate 30g, conditioning agent humic acids 8g, sterilant thiophanate_methyl 80g, add water to 1000g, and stirring and evenly mixing can be smeared application.
Example of formulations 4:
Oligochitosan 0.03g, nutrition agent boric acid 30g, conditioning agent naphthylacetic acid 8g, sterilant Azoxystrobin 80g, add water to 1000g, and stirring and evenly mixing gets final product spray applications.
Example of formulations 5
Oligochitosan 0.03g, sterilant Azoxystrobin 80g, adds water to 1000g, and stirring and evenly mixing gets final product spray applications.
Example of formulations 6
Oligochitosan 0.05g, binder for film formation polyethylene 600g, nutrition agent ferric sulfate 30g, adds water to 1000g, and stirring and evenly mixing can be smeared application.
Example of formulations 7
Oligochitosan 0.03g, conditioning agent naphthylacetic acid 10g, sterilant thiophanate_methyl 150g, add water to 1000g, and stirring and evenly mixing can get final product spray applications.
Example of formulations 8
Oligochitosan 0.02g, nutrition agent potassium primary phosphate 20g, adds water to 1000g, and stirring and evenly mixing gets final product spray applications.
Example of formulations 9
Oligochitosan 0.05g, conditioning agent humic acids 8g, adds water to 1000g, and stirring and evenly mixing gets final product spray applications.
Example of formulations 10
Oligochitosan 0.08g, binder for film formation polyethylene 600g, adds water to 1000g, and stirring and evenly mixing can be smeared application.
Biological Examples 1:
Select apple tree, pear tree, peach, jujube tree, grapevine, mango, longan, litchi, mandarin tree, watermelon, ginkgo, Japanese Honeysuckle, Flower of Arabian Jasmine, Chinese rose, same crop is divided into 2 groups, one group of processing of spraying, smears processing for one group.In the pruning processing of spraying in first 2 days, in pruning, within latter 2 days, smear processing, above processing is not all to be treated to contrast, the random listing mark wound of every processing number containing oligochitosan.The different plant sprayings of " Invest, Then Investigate " in 30 days are processed wound morbidity number and smear and process wound healing number, and spraying result, in Table 1, is smeared result in Table 2.
As seen from Table 1; for different plants; melon and fruit, medicinal material or flowers; in wound spraying in first 2 days; after 30 days, the wound sickness rate that contains oligochitosan compositions-treated is all starkly lower than contrast, both lower than the wound sickness rate without oligochitosan processing; visible, the control successful containing the Wound protective agent of oligochitosan to disease.As seen from Table 2, for the different plants for examination, within 2 days after wound, smear processing; after 30 days, the wound healing rate that contains oligochitosan compositions-treated is all apparently higher than contrast, both higher than the wound healing rate without oligochitosan processing; visible, containing the Wound protective agent of oligochitosan, obviously promote the healing of wound.
Find in addition, no matter the compositions-treated that contains oligochitosan, spray or smear processing, and plant growing way is vigorous.To sum up, the Wound protective agent that contains oligochitosan is sprayed and is smeared processing, can obviously reduce the morbidity of wound and promote wound healing.If agricultural, forestry pruning, grafting or band girdle during this oligochitosan composition of widespread use, will bring obvious ecology and economic benefit.
The wound incidence that before the different vegetation prunings of table 1, spraying is processed
After the different vegetation prunings of table 2, smear the wound healing situation after Wound protective agent
Claims (7)
1. a plants wound protective material that contains oligochitosan, it is characterized in that containing in protective material membrane-forming agent, membrane-forming agent accounts for the 60-99% of protective material gross weight, it is 0.0015%-0.03% that oligochitosan accounts for this protectant weight percent, also contain one or more in nutrition agent, plant-growth regulator, sterilant, 1-50%, the sterilant that 1-50%, the plant-growth regulator that nutrition agent accounts for protective material gross weight accounts for protective material gross weight accounts for the 1-50% of protective material gross weight, membrane-forming agent is selected from polyvinylpyrrolidone, polyacrylamide, polypropylene, one or more in Vinyl Acetate Copolymer, wherein nutrition agent is glycine, potassium primary phosphate, magnesium sulfate, boric acid, ferric sulfate, calcium chloride, one or more in urea, conditioning agent is naphthylacetic acid, indolebutyric acid, one or more in humic acids, sterilant is chemical bactericide or botanical fungicide, chemical bactericide is selected from Azoxystrobin, thiophanate_methyl, m-tetrachlorophthalodinitrile, copper rosinate, one or more in lime sulfur mixture, botanical fungicide is selected from Root of Indigowoad, Chinese prickly ash, kuh-seng, one or more in China tree tissue or extract.
2. according to the plants wound protective material of claim 1, it is characterized in that it is 0.005%-0.02% that oligochitosan accounts for this protectant weight percent.
3. according to the plants wound protective material described in claim 1-2 any one, wherein plants wound protective material can be made into any ointment preparation, for smearing.
4. plants wound protective material according to claim 3, wherein ointment preparation is preferably paste.
5. the plants wound protective material described in claim 1-4 any one is for the protection of the purposes of plants wound.
6. the protectant using method of plants wound described in claim 1-5 any one, is characterized in that 1-5 days after vegetation pruning, grafting or band girdle, smears above-mentioned protective material on wound.
7. according to the method for claim 6, it is characterized in that smearing for 1-2 days after vegetation pruning, band girdle or grafting described protective material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210058506.9A CN102617224B (en) | 2012-03-07 | 2012-03-07 | Plant wound protective agent containing chitosan oligosaccharide |
| CN201410001007.5A CN103651361B (en) | 2012-03-07 | 2012-03-07 | Plants wound protection liquor containing chitosan oligosaccharide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN106804605A (en) * | 2015-12-02 | 2017-06-09 | 中国科学院大连化学物理研究所 | A kind of wound healing agent for plants containing sodium alginate oligosaccharide and application thereof |
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