CN1328769A - Farm composite containing water soluble chitosan - Google Patents
Farm composite containing water soluble chitosan Download PDFInfo
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- CN1328769A CN1328769A CN 01123508 CN01123508A CN1328769A CN 1328769 A CN1328769 A CN 1328769A CN 01123508 CN01123508 CN 01123508 CN 01123508 A CN01123508 A CN 01123508A CN 1328769 A CN1328769 A CN 1328769A
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Abstract
The present invention discloses an agricultural composite extensively used for various crops. The said agricultural composite contains water-soluble chitosan, in particular contains low molecular weight chitosan whose deacetylation extent is greater than 75%, non-toxic organic acid and other components favorable for raising adverse resistance of plant and promoting plant growth, such as choline chloride, betaine, light rate earth, amino acids, vitamins, cholamine and trace element fertilizer. Said invented composite is non-toxic and nuisanceless. Said invention also provides its application method.
Description
The present invention relates to a kind of water soluble chitosan that contains, particularly low-molecular-weight and degree of deacetylation crop disease-resistant volume increase composition greater than 75% shitosan.
Shitosan be a kind of by chitin by the deacetylated semi-synthetic derivative of producing.At present, existing many open source literatures have reported that (water-soluble) shitosan has purposes widely on agricultural and gardening, for example have disease and insect resistance, degeneration-resistant, fertilizer, fresh-keeping or the like purposes.
In the prior art, because shitosan is a kind of eco-friendly material and extensive agricultural use is arranged that it is widely adopted in the agriculturally useful compositions of various various objectives.As the composition of anti-plant disease composition, for example .JP 2000-212013A has described a kind of inhibitor with antifungic action that comprises aqueous solution shitosan, salicylic acid, magnesium acetate and saleratus; JP 2000-128711A has described a kind of agricultural and gardening disease inhibitor that comprises water soluble chitosan, salicylic acid and salicylic acid analog; RU214768A has described a kind of composition of preventing and treating rice blast, and it contains molecular weight is 800-50,000 and degree of deacetylation be shitosan, lactic acid, succinic acid, potassium metasilicate, dimethyl sulfoxide (DMSO) and the water of 70-90%; EP 878129 has described the composition of a kind of increase to the plant disease resistance, it comprise molecular weight be 800-150,000 and degree of deacetylation be 65-97% shitosan, lactic acid and/or succinic acid, optional glutamic acid or its salt, bioactivator (as natural or synthetic plant hormone, natural unsaturated fatty acid or its synthesis of derivatives, phenolic acid) and water; US 5,374, and 627 to have described a kind of molecular weight be 10,000-50,000 the chitosan hydrolyzate thing and the composition that is used to prevent and treat some crop pest of acetate; JP62-198604A has described molecular weight and has been lower than 3,000 low-molecular weight chitoglycan hydrolysate and prevents and treats the application of pear scab, but it is not good to the control efficiency of pears gray mold.
The composition of as fertilizer sources composition, for example, JP2000-53964A has described a kind of organic manure that is used for vegetation of the ash wood that comprises shitosan and soaked with wood vinegar; J11-199417A has described a kind of plant growth stimulator that comprises the chitosan solution and the rotten acid extractants thing aqueous solution; It is 10 that JP 10-218713A has described a kind of molecular weight that mainly comprises, 000-100, the foliage-spray liquid fertilizer that is used to promote plant growing of 000 shitosan, molybdenum and ammonium nitrogen; JP10-218711A has described and has a kind ofly contained calcium compound and molecular weight is 10,000-100, the fertilizer for spraying on leaf surface that is used for stimulating plant growth improvement calcium absorption of 000 shitosan; JP 10-218707A described a kind of as soil conditioner and physiologically active agent spray the liquid combination fluid composition, it comprises shitosan and glycolic acid and optional silicate solution; W0 98/32335 has described a kind of liquid solution that increases dicotyledon output, and it comprises shitosan and acidic materials such as carboxylic acid (are preferably the aqueous solution of water soluble salt of the shitosan of acetate, glutamic acid, lactic acid and/or glycolic prepared in reaction; CN 1257055A has described a kind of nutrient for plants, and it is made up of shitosan, zinc salt and/or boron-containing compound; JP 10-110002A has described a kind of composition of using the preparation chitosan solution of used as pesticides such as plant growth promoter, and it comprises＞60 order shitosan micro mists and＞60 order organic acid micro mists.
Composition as the drought resisting composition, for example, it is 10 that W0 99/42488 has described a kind of molecular weight that comprises, 000-50, the agriculturally useful compositions of the shitosan of 000Da and the acid of plant-less toxicity, use said composition by reducing the purpose that the transpiration of plant moisture content reaches drought resisting, in some cases, also have effect disease-resistant, that increase production and increase fruit quality.
Though mention the performance such as disease-resistant, degeneration-resistant, fertilizer efficiency of shitosan or water soluble chitosan in the prior art, these application have certain limitation, for example only limit to some specific germ and specific floristics.Therefore, the extensive and agriculturally useful compositions chitosan-containing that effect is excellent of applicability is still desired.
Generally speaking, when plantation crop all be subjected to the influence of adverse circumstance factor (for example cold, high temperature, arid, saline and alkaline, waterlogging, toxin etc.) in various degree, comprise that various abiotic environments coerce factor, damage by disease and insect factor and other biological factor etc., restricted the raising of crop yield and quality.Therefore, how improving that crop adapts to the ability of adverse circumstance factor and alleviate the adverse circumstance factor is the effective way that improves the quality of crop yield to the influence of plant growth.
The present inventor carries out deep research from the angle of adverse circumstance factor, found that, by adopting water soluble chitosan, particularly the organic acid of chitosan and plant-less toxicity is (as salicylic acid, acetate, citric acid, benzoic acid, oxalic acid, methyl, lactic acid, succinic acid, glycolic, phenolic acid), other helps for example Choline Chloride of the short long composition of plant stress-resistance, betain, light rare earth is (as La, Ce, Pr, Nd or its mixture), amino acids is (as glycine, cystine, methionine, glutamic acid, histidine, serine), vitamins is (as folic acid, vitamin C, Cobastab), monoethanolamine, trace element fertilizer is (as boric acid, calcium chloride, zinc sulphate, copper sulphate) combination is nontoxic, non-harmful agriculturally useful compositions has significantly disease-resistant, degeneration-resistant, volume increase, optimize effects such as quality, and can be widely used in multiple kinds of crops.
One of purpose of the present invention provides a kind of agriculturally useful compositions that contains water soluble chitosan, and it has significantly disease-resistant, degeneration-resistant, volume increase, optimize effect such as quality, can be widely used in various crops.
Another object of the present invention provides and a kind ofly can make disease-resistant crops such as cereal crops in the growth, vegetables, fruit tree, degeneration-resistant and finally reach the method that makes increasing crop yield and optimize the quality purpose.
The raw material that is adopted is the product of natural origin in the present invention, and is extremely low to the toxicity of animal and crops, in addition, raw material of the present invention be stablize, water-soluble, easy operating and cost be low.Therefore, a further object of the present invention provides a kind of method nontoxic, non-harmful green agricultural product of producing.
Other purpose of the present invention and advantage show to see by discussion, description and embodiment hereinafter.
The invention discloses a kind of usefulness and be widely used in water-soluble fluidity shitosan of containing of various crops; particularly low-molecular-weight and degree of deacetylation greater than 75% shitosan and non-toxic organic acid (as salicylic acid; acetate; citric acid; benzoic acid; oxalic acid; methyl; lactic acid; succinic acid; glycolic; phenolic acid); other helps for example Choline Chloride of the short long composition of plant stress-resistance; betain; light rare earth is (as agricultural nitro rare earth; other contain La; Ce; Pr; the rare-earth substance of Nd or its mixture); amino acids is (as glycine; cystine; methionine; glutamic acid; histidine; serine); vitamins is (as folic acid; vitamin C; vitamin B1-12); monoethanolamine; trace element fertilizer is (as boric acid or borax; calcium chloride or calcium sulphate; zinc sulphate; copper sulphate) combination is nontoxic; non-harmful agriculturally useful compositions.
In the present invention, water soluble chitosan be meant under 20 ℃ in 100 gram water solvability be 800-10,000 low-molecular weight chitoglycan greater than 1 gram and molecular weight (MW); preferably degree of deacetylation is greater than 75%; particularly molecular weight is 1,000-5,000 low-molecular weight chitoglycan.Water-solubility chitosan derivative is commercial product or can passes through itself preparation of known method, for example CN1225923A, US 4,619,995A or US 3,911,098.
All are oneself materials of knowing and have commercial product to sell at other composition of the present invention.
Specifically, the present composition comprise following composition (below be weight portion, except as otherwise noted):
Water soluble chitosan 0.01-3
Organic acid 1-20
Biological alkaline matter 5-25
Light rare earth 5-25
Amino acids 5-20
Vitamins 0.1-1
Trace element fertilizer 5-20
The preferred present composition comprises following composition (weight portion)
Water soluble chitosan (MW800-10,000,
Degree of deacetylation is greater than 75%) 0.01-2
Organic acid 5-20
Biological alkaline matter 10-25
Light rare earth 10-25
Amino acids 10-20
Vitamins 0.1-1
Trace element fertilizer 5-20
The preferred present composition comprises following composition (weight portion)
Water soluble chitosan (MW800-10,000,
Degree of deacetylation is greater than 75%) 0.01-2
At least aly be selected from citric acid, acetate, bigcatkin willow
The organic acid 5-20 of acid, benzoic acid, oxalic acid, methyl
At least a Choline Chloride and the betain of being selected from
Biological alkaline matter 10-25
Light rare earth 10-25
At least a methionine, glutamic acid, the Guang ammonia of being selected from
The amino acids 10-20 of acid, glycine
At least a be selected from vitamin C, Cobastab,
The vitamins 0.1-1 of folic acid
At least aly be selected from boric acid, zinc sulphate, chlorination
The trace element fertilizer 5-20 of calcium and copper sulphate
Most preferably, the present composition comprises following composition (weight portion)
Water soluble chitosan (MW1,000-5,000,
Degree of deacetylation is greater than 75%) 0.02-1
Citric acid 2-5
Acetate 3-10
Choline Chloride 10-20
Light rare earth 10-20
Methionine 10-20
Cobastab 0.05-0.5
Folic acid 0.05-0.5
Boric acid 1-5
Zinc sulphate 1-6
Calcium chloride 2-10
Copper sulphate 0.5-2
Agriculturally useful compositions of the present invention can be made various dosage forms, for example the aqueous solution or pulvis.
Agriculturally useful compositions of the present invention can extensively be applied to various crops for example melon and fruit, vegetables, paddy rice, corn, soybean, cotton, makes the crop energy disease-resistant, degeneration-resistant, reaches the purpose of volume increase, can also improve the quality of agricultural product.Simultaneously because agriculturally useful compositions of the present invention all adopts is natural material, therefore, using of agriculturally useful compositions of the present invention is free from environmental pollution, and green agricultural product can be provided.
In the present invention, except as otherwise noted, all part, percentages are unit of weight, and all equipment all can be buied from the market or the industry is commonly used.
And the present invention is described in detail in detail in conjunction with the embodiments, but embodiment only is used for explanation but not is intended to limit the scope of the invention.
Example of formulations 1
3 parts of water soluble chitosans (MW3,000, degree of deacetylation 75%, commercially available prod) are dissolved with 50 parts of acetate, and 2 parts of folic acid is with 50 parts of dissolve with ethanol; 120 parts of methionine, 150 parts of nitro rare earths and 20 parts of boric acid, 40 parts of zinc sulphate, 60 parts of calcium chloride and 10 parts of copper sulphate are with 50 parts of citric acids and 155 parts of water complexings dissolvings, above-mentioned dissolving mixt joined in 150 parts of water that are added with 20 parts of β-cyclodextrines and 20 parts of tweens-80 together mix, and with colloid mill (TM140 model, produce by Tianjin Xin Shida science and trade company, abrasive dust down together), add 100 parts of Choline Chlorides afterwards and mix with it, add entry to 1000 part at last.
Example of formulations 2
With 2 parts of water soluble chitosans (MW4,000, degree of deacetylation 75%, commercially available prod), 50 parts of salicylic acids with 50 parts of dissolve with ethanol; 2 parts of folic acid is with 50 parts of dissolve with ethanol; 100 parts of methionine, 150 parts of nitro rare earths and 20 parts of boraxs, 40 parts of zinc sulphate, 60 parts of calcium chloride and 10 parts of copper sulphate are with 50 parts of citric acids and 126 parts of water complexings dissolvings, above-mentioned dissolving mixt joined in 150 parts of water that are added with 20 parts of β-cyclodextrines and 20 parts of tweens-80 together mix, and use the colloid mill abrasive dust, add 100 parts of Choline Chlorides afterwards and mix, add entry to 1000 part at last.
Example of formulations 3
With 3 parts of water soluble chitosans (MW7,000, degree of deacetylation 75%, commercially available prod), 50 parts of oxalic acid and 30 parts of acetate dissolvings; 3 parts of folic acid is with 50 parts of dissolve with ethanol; 150 parts of nitro rare earths, 100 parts of glycine and 20 parts of boric acid, 40 parts of zinc sulphate, 60 parts of calcium chloride and 10 parts of copper sulphate are with 50 parts of citric acids and 144 parts of complexings dissolvings, above-mentioned dissolving mixt joined in 150 parts of water that are added with 20 parts of β-cyclodextrines and 20 parts of tweens-80 together mix, and use the colloid mill abrasive dust, add 100 parts of betains afterwards and mix, add entry to 1000 part at last.
Example of formulations 4
With 2 parts of water soluble chitosan (MW3; 000; degree of deacetylation 75%; the commercially available prod) low temperature drying and be crushed to 80 orders; 50 parts of citric acids, 10 parts of copper sulphate, 40 parts of zinc sulphate, 20 parts of boric acid, 60 parts of calcium chloride, 150 parts of nitro rare earths are dehydrated; and 120 parts of methionine, 20 parts of β-cyclodextrines, 20 parts (surfactant peregal 0), 160 parts of Choline Chlorides are dry respectively, and mentioned component mixed with 402 parts of diatomite.
The test of experimental example 1 corn yield increasing
Experimental cultivar is " Weihe River 318 ", and planting density 5000 strain/mus respectively spray once in corn shooting stage and tasseling stage with example of formulations 1 product, compare with clear water, and the area of each processing is 20 meters
2The result is summarized in hereinafter in the table 1,2.By table 1 as seen, agriculturally useful compositions of the present invention sprays the significant difference of handling 5% and 1% level that all reaches with contrast, the significant difference of 5% level that reaches with contrast was handled in 200 times of seed soaking in 10-12 hours, in addition, 600 times spray to handle with German plant power " 2003 " and handle the significant difference that 5% level is arranged.Find out that thus it is best that 600 times of agriculturally useful compositions of the present invention spray the corn yield increasing effect, amount of increase in production reaches 10.6%.Can be found out also that by table 2 corn ear length, line number, the grain number that 600 times of agriculturally useful compositions of the present invention are handled, to go out main economy such as seed number, thousand kernel weight all the highest, vacant hill rate and bald phenomenon are then lower, are consistent with table 1.
The corn experimental field cell production investigation of academy of agricultural sciences, table 1 Shandong
| Handle | Cell production (kg) | Sub-district average yield (kg) | Folding per mu yield (kg) | Test of significance | |||
| ?????I | ????II | ????III | ??0.05 | ??0.01 | |||
| ??CK | ???19.5 | ???19.5 | ????20.7 | ???19.9 | ???663 | ????C | ????B |
| 200 times of seed soaking | ???19.8 | ???21.6 | ????23.1 | ???21.5 | ???717 | ???Ab | ????A |
| 600 times spray | ???21.3 | ???22.2 | ????22.5 | ???22.0 | ???733 | ????A | ????A |
| 300 times spray | ???18.9 | ???20.1 | ????20.1 | ???19.7 | ???657 | ????C | ????B |
| 1000 times " 2003 " spray | ???19.2 | ???21.6 | ????22.2 | ???21.0 | ???700 | ????B | ????A |
The main economic characters investigation of table 2 corn
| Handle | The fruit ear proterties | Grain characters | |||||
| Spike length (cm) | Line number | The grain number | Vacant hill (%) | Bald (%) | Seed-producing rate (%) | Thousand kernel weight (%) | |
| ??CK | ???16.5 | ???15.6 | ?595 | ???3.0 | ????0.5 | ???86.7 | ????284 |
| 200 times of seed soaking | ???16.7 | ???15.6 | ?590 | ???0.5 | ????0.3 | ???87.7 | ????291 |
| 600 times spray | ???16.7 | ???15.6 | ?590 | ???1.0 | ????0.2 | ???88.1 | ????293 |
| 300 times spray | ???16.2 | ???15.6 | ?580 | ???2.0 | ????0.5 | ???87.0 | ????289 |
| 1000 times " 2003 " spray | ???16.7 | ???15.6 | ?590 | ???1.5 | ????0.3 | ???87.7 | ????291 |
The test of experimental example 2 increasing production of rice
Test is carried out in the China Paddy Rice Inst experimental field.5 kinds of processing are established in test: contrast (handling 1), seed soaking (handling 2), seed soaking+fringe idiophase foliage-spray (handling 3), fringe idiophase leaf surface treatment+thank florescence foliage-spray (handling 4) and seed soaking+fringe idiophase foliage-spray+thank florescence foliage-spray (processing 5).16 meters of sub-district areas
2, seed soaking and spraying concentration are 500 times of liquid.The result is summarized in the table 3.By table 3 as seen, agriculturally useful compositions of the present invention (example of formulations 2) can improve rice yield.Handle between 2 kinds the average yield comparison according to improving 3.1%-5.4%, handle 3 volume increase 3.6%-6.8%, handle 4 volume increase 4.2%-13.6%, handle 5 amount of increase in production maximums, volume increase 7.2%-15.5%.All kinds all reach significant difference, and the full heading time of all kinds is all 2 days ahead of time when the fringe idiophase sprays.
Table 3 agriculturally useful compositions of the present invention is to the influence of rice yield and constituent element thereof
Amplification reaches 20%.
| Kind | Handle | Effective fringe (ten thousand fringe/mu) | Every total grain panicle number (grain/fringe) | The real grain of every fringe number (grain/fringe) | Ripening rate (%) | Thousand kernel weight (g) | Actual production (kg/ mu) | Test of significance (0.05) |
| Glutinous No. 2 of spring river | ?1 | ?14.33 | ?71.5 | ?65.8 | ?92.0 | ?24.2 | ?209.8 | ??c |
| ?2 | ?15.56 | ?74.4 | ?67.7 | ?91.1 | ?24.4 | ?216.5 | ??bc | |
| ?3 | ?15.22 | ?69.2 | ?63.1 | ?91.2 | ?24.5 | ?223.6 | ??ab | |
| ?4 | ?14.67 | ?86.0 | ?77.3 | ?89.9 | ?24.8 | ?224.0 | ??ab | |
| ?5 | ?16.5 | ?76.5 | ?69.7 | ?91.1 | ?24.3 | ?226.1 | ??a | |
| Spring river 11 | ?1 | ?16.22 | ?71.9 | ?61.2 | ?85.1 | ?21.9 | ?198.6 | ??b |
| ?2 | ?16.83 | ?70.6 | ?62.4 | ?88.4 | ?21.6 | ?204.7 | ??ab | |
| ?3 | ?16.00 | ?72.3 | ?68.6 | ?94.9 | ?21.4 | ?205.8 | ??ab | |
| ?4 | ?16.95 | ?74.5 | ?68.4 | ?91.8 | ?21.7 | ?207.1 | ??ab | |
| ?5 | ?19.92 | ?71.9 | ?63.4 | ?88.2 | ?20.2 | ?212.8 | ??a | |
| Big grain is fragrant | ?1 | ?14.00 | ?64.5 | ?52.8 | ?81.9 | ?26.1 | ?191.4 | ??c |
| ?2 | ?16.45 | ?57.3 | ?46.0 | ?80.3 | ?26.5 | ?201.8 | ??bc | |
| ?3 | ?17.25 | ?56.8 | ?48.2 | ?84.9 | ?26.4 | ?204.5 | ??b | |
| ?4 | ?15.92 | ?62.4 | ?52.1 | ?83.5 | ?27.4 | ?217.6 | ??a | |
| ?5 | ?14.95 | ?65.6 | ?55.1 | ?84.1 | ?27.6 | ?221.2 | ??a |
Table 4 sprays the influence investigation of agriculturally useful compositions of the present invention to cucumber yield
| Handle | Pluck melon amount (kg) | Add up to (kg) | Folding per mu yield (kg) | On average (kg) | Test of significance | |||||
| ?????1 | ?????2 | ?????3 | ????4 | ????5 | ??0.05 | ??0.01 | ||||
| ????CK | ???29.6 | ????33.6 | ???38.4 | ???31.7 | ??29.6 | ????162.9 | ???3258.0 | ???32.58 | ????b | ????B |
| 1500 times | ???34.2 | ????39.6 | ???40.2 | ???36.2 | ??30.4 | ????180.6 | ???3612.0 | ???36.12 | ????a | ????A |
| 1000 times | ???37.5 | ????41.7 | ???46.8 | ???38.1 | ??29.4 | ????192.8 | ???38.56 | ???38.7 | ????a | ????A |
| 500 times | ???36.3 | ????40.8 | ???48.2 | ???39.7 | ??30.6 | ????195.6 | ???3912.0 | ???39.12 | ????a | ????A |
| 100 times of legendary god of farming's elements | ???36.9 | ????40.7 | ???45.8 | ???36.9 | ??30.7 | ????191.0 | ???3820.0 | ???38.2 | ????a | ????A |
Legendary god of farming's element is the commercially available prod that is produced by Shaanxi legendary god of farming chemical company.
The test of experimental 4 potato production promotings
Test is located at the Feng County, Jiangsu Province.Result of the test shows (table 5), and processing that foliage-spray is 2 times and contrast difference reach 5% and 1% level, volume increase 31.9%.Seed dressing is handled does not then have significant difference.
Table 5 potato volume increase result of the test
| Handle | Cell production (kg) | Sub-district average yield (kg) | Than CK (%) | Test of significance | |||
| ???I | ???II | ???II | ????0.05 | ????0.01 | |||
| ???CK | ??43.5 | ??42.2 | ??45.2 | ????43.6 | ?????b | ?????B | |
| Seed dressing | ??47.3 | ??43.3 | ??44.1 | ????44.9 | ???103.0 | ?????b | ?????AB |
| The blade face spray | ??56.5 | ??58.6 | ??57.4 | ????57.5 | ???131.9 | ?????a | ?????A |
Experimental example 5 disease-resistant tests
Test is located at the Shanghai Pudong New Area, respectively at respectively spraying once on March 15th, 2000 and April 5, compares with clear water with example of formulations 1 product of the present invention, and relatively plain with the legendary god of farming, investigated April 20.The result shows (table 6 and table 7), and product of the present invention can be prevented and treated cucumber downy mildew and hay melon powdery mildew effectively, and effect is better than legendary god of farming's element.
The control efficiency of table 6 pair cucumber downy mildew
| Handle | The investigation number of blade | The downy mildew numbers of blade at different levels | Disease index (%) | Diseases prevention index (%) | ||||
| ???0 | ???1 | ???2 | ???3 | ???4 | ||||
| ???CK | ?500 | ??24 | ??44 | ??23 | ???5 | ???0 | ??29.25 | |
| 1500 times | ?500 | ??45 | ??36 | ??14 | ???5 | ???0 | ??19.75 | ??32.48 |
| 1000 times | ?500 | ??52 | ??35 | ??13 | ???0 | ???0 | ??15.25 | ??47.86 |
| 500 times | ?500 | ??57 | ??35 | ??8 | ???0 | ???0 | ??12.75 | ??56.41 |
| 1000 times of legendary god of farming's elements | ?500 | ??43 | ??38 | ??14 | ???5 | ???0 | ??20.25 | ??30.77 |
The control efficiency of table 7 pair hay melon powdery mildew
| Handle | The investigation number of blade | The powdery mildew numbers of blade at different levels | Disease index (%) | Protection effect (%) | ||||
| ????0 | ???1 | ???2 | ???3 | ???4 | ||||
| ??CK | ??131 | ???11 | ???12 | ???29 | ???46 | ???33 | ?64.88 | |
| 1000 times | ??134 | ???36 | ???37 | ???29 | ???26 | ???6 | ?36.75 | ?43.36 |
| 500 times | ??138 | ???39 | ???35 | ???36 | ???23 | ???5 | ?35.51 | ?45.27 |
| 1000 times of legendary god of farming's elements | ??137 | ???24 | ???39 | ???36 | ???25 | ???13 | ?43.43 | ?33.06 |
On other various crop, done multiple diseases control test, shown that all the present invention contains the multiple diseases that the agriculturally useful compositions product of water soluble chitosan can be prevented and treated crop effectively, comprises viral disease, bacterial disease and fungal disease.
Claims (4)
1. agriculturally useful compositions, it comprises
Water soluble chitosan 0.01-3
Organic acid 1-20
Biological alkaline matter 5-25
Light rare earth 5-25
Amino acids 5-20
Vitamins 0.1-1
Trace element fertilizer 5-20
2. according to the agriculturally useful compositions of claim 1, wherein
Water soluble chitosan (MW800-10,000,
Degree of deacetylation is greater than 75%) 0.01-2
Organic acid 5-20
Biological alkaline matter 10-25
Light rare earth 10-25
Amino acids 10-20
Vitamins 0.1-1
Trace element fertilizer 5-20
3. according to the agriculturally useful compositions of claim 2, wherein
Water soluble chitosan (MW800-10,000,
Degree of deacetylation is greater than 75%) 0.01-2
At least aly be selected from citric acid, acetate, bigcatkin willow
The organic acid 5-20 of acid, benzoic acid, oxalic acid, methyl
At least a Choline Chloride and the betain of being selected from
Biological alkaline matter 10-25
Light rare earth 10-25
At least a methionine, glutamic acid, the Guang ammonia of being selected from
The amino acids 10-20 of acid, glycine
At least a be selected from vitamin C, Cobastab,
The vitamins 0.1-1 of folic acid
At least aly be selected from boric acid, zinc sulphate, chlorination
The trace element fertilizer 5-20 of calcium and copper sulphate
4. according to the agriculturally useful compositions of claim 3, wherein
Water soluble chitosan (MW1,000-5,000,
Degree of deacetylation is greater than 75%) 0.02-1
Citric acid 2-5
Acetate 3-10
Choline Chloride 10-20
Light rare earth 10-20
Methionine 10-20
Cobastab 0.05-0.5
Folic acid 0.05-0.5
Boric acid 1-5
Zinc sulphate 1-6
Calcium chloride 2-10
Copper sulphate 0.5-2
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| CN 01123508 CN1328769A (en) | 2001-07-26 | 2001-07-26 | Farm composite containing water soluble chitosan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01123508 CN1328769A (en) | 2001-07-26 | 2001-07-26 | Farm composite containing water soluble chitosan |
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| CN1328769A true CN1328769A (en) | 2002-01-02 |
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| CN100334952C (en) * | 2005-08-31 | 2007-09-05 | 山东靠山生物科技有限公司 | Biologica land biochemical preparation and its preparing method and use |
| WO2008116354A1 (en) * | 2007-03-23 | 2008-10-02 | Nanjing Normal University | A ternary complex on rare earth-amino acid-vitamin used as plant growth regulator and the preparation thereof |
| CN100463882C (en) * | 2005-09-20 | 2009-02-25 | 刘家宝 | Anti-plant-virus fertilizer additivesand fertilizer containing them |
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2001
- 2001-07-26 CN CN 01123508 patent/CN1328769A/en active Pending
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