CN102388884A - Chitosan oligosaccharide composition used for improving crop yield as well as use and method thereof - Google Patents
Chitosan oligosaccharide composition used for improving crop yield as well as use and method thereof Download PDFInfo
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- CN102388884A CN102388884A CN2011103339841A CN201110333984A CN102388884A CN 102388884 A CN102388884 A CN 102388884A CN 2011103339841 A CN2011103339841 A CN 2011103339841A CN 201110333984 A CN201110333984 A CN 201110333984A CN 102388884 A CN102388884 A CN 102388884A
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Abstract
The invention relates to a chitosan oligosaccharide composition used for improving crop yield as well as the use and the method thereof; the composition is particularly applied during the seedling stage, during the growing period, before blooming and/or after blooming of crops; afterwards, composition with the concentration same as or different from that of the composition applied for the first time is applied again for 0 to 3 times every 5 to 10 days, preferably every 7 days, and the composition is applied twice preferably, wherein the weight percentage of chitosan oligosaccharide in the composition is 0.003% to 0.011% and is preferred to be 0.004% to 0.0105%. According to the invention, the fact that chitosan oligosaccharide with specific concentration has a special effect on improving the crop yield is discovered, so that the important problem of improving the crop yield is solved; and particularly after crops are processed by a pesticide composition containing chitosan oligosaccharide, not only can the crop yield be improved, but also no pesticide damage is caused to the crop, and no pesticide remains.
Description
Technical field
The invention belongs to agrochemical field, particularly relate to the composition and use thereof and the method that improve crop yield, relate to a kind of chitosan oligosaccharide composition and use thereof and method that is used to improve crop yield particularly.
Background technology
Find that at present chitosan oligosaccharide has good facilitation to the growth of cucumber.The cucumber of enduring cold is after chitosan oligosaccharide is handled, and its growing way obviously is better than contrast, and the fruits comparable contrast of handling picking time is 3～5d in advance, and output is also apparently higher than contrast.The chitosan oligosaccharide that Lu Yingang etc. utilize the chitosan enzyme degrade chitosan to obtain is basis; Be equipped with compositions such as chemical fertilizer, trace element and preservative and mix, dress seed after being modulated into more stable colloidal solution, rape seed is germinateed and emerge all not to have obviously to be influenced; But can promote growth of rape; Improve the rate in strong sprout, increase output, amount of increase in production is 4.33%～9.67%.
Finding that at present chitosan oligosaccharide can improve the output of rape, only mention seed dressing, still be unclear for chitosan oligosaccharide through the composition of which kind of concentration and in the processing mode that improves in the crop yield still, and these factors has all influenced the output of crop.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of composition pesticide that is used to improve crop yield, comprise chitosan oligosaccharide in this composition pesticide, the percentage by weight that chitosan oligosaccharide accounts for this composition pesticide is 0.003%-0.011%.Preferably, to account for the percentage by weight of this composition pesticide be 0.004%-0.0105% to chitosan oligosaccharide.
Above-mentioned this composition pesticide can prepare liquid preparation or solid pharmaceutical preparation.Liquid preparation can be any liquid preparation of agriculture usefulness, and solid pharmaceutical preparation also is any solid pharmaceutical preparation of agriculture usefulness.Preferably, liquid preparation is an aqua, microemulsion, water dispersible granules or suspending agent; Solid pharmaceutical preparation is preferably wetting powder or granule.
The present invention also provides the above-mentioned composition pesticide that comprises chitosan oligosaccharide to be used to improve the purposes of crop yield; The percentage by weight that it is characterized in that comprising chitosan oligosaccharide in the composition pesticide of chitosan oligosaccharide is 0.003%-0.011%; Preferably, to account for the percentage by weight of composition be 0.004%-0.0105% to chitosan oligosaccharide.
The present invention also provides the method for using the composition raising crop yield that comprises chitosan oligosaccharide; It is characterized in that crop seedling stage, vegetative period, bloom preceding and/or bloom after use composition, every then at a distance from 5-10 days time, preferred whenever at a distance from time of 7 days; Use once more and the identical or different composition of application concentration first 0-3 time; Preferably, use composition 2 times, the percentage by weight of chitosan oligosaccharide is 0.003%-0.011% in the wherein said composition; Preferably, to account for the percentage by weight of composition be 0.004%-0.0105% to chitosan oligosaccharide.
In the said method, said composition can prepare liquid preparation or solid pharmaceutical preparation.Liquid preparation can be any liquid preparation of agriculture usefulness, and solid pharmaceutical preparation also is any solid pharmaceutical preparation of agriculture usefulness.Preferably, liquid preparation is an aqua, microemulsion, water dispersible granules or suspending agent; Solid pharmaceutical preparation is preferably wetting powder or granule.
In the said method; Said crop is meant any plant of directly or indirectly cultivating for the human needs; Preferably, said crop is selected from citrus, banana, pears, grape, mango, lichee, longan, apple, peach, apricot, Buddhist nun monkey peach, strawberry, cherry, sweet cherry, strawberry, watermelon, cucumber, tomato, sponge gourd, balsam pear, wax gourd, capsicum, pimento, eggplant, wheat, paddy rice, corn, tealeaves, cotton or the like.
The evaluation object of said crop yield is the valuable results object of crop, generally is meant the organ of terminal storage assimilation substance, like seed, fruit, piece root, stem tuber etc., also comprises the also young tender organ in growth, like root, stem, leaf, flower, fruit etc.
In the said method, said crop yield is meant the amount of the crop object of results.
General, crop yield is meant the harvest yield of the required product of cultivation purpose, i.e. the output of general indication.Its economic product organ of Different Crop is different, and the product organ of cereal crop (paddy rice, wheat, corn etc.), beans and oil crop (soybean, peanut, rape etc.) is a seed; Cotton is unginned cotton or gined cotton, mainly utilizes the fiber on the seed; Tuber crops (sweet potato, potato, cassava etc.) are piece root or stem tuber; Bast fiber crop is fasciated fiber or leaf fibre; Sugarcane is the stem stalk; Beet is a root; Tobacco is a blade; Green manure crop (clover, clover etc.) is stem and leaf etc.Same crop, because of the cultivation purpose is different, the notion of its economic flow rate is also different.Like corn, during as grain and concentrated feed crop genetics, economic flow rate is meant the grain harvest amount, and during as silage fodder, economic flow rate then comprises whole harvest yields of stem, leaf and fruit ear.
In the said method, the growth stage be seedling stage later to the preceding time of blooming be the growth stage.The crop of fruit tree kind is meant that the timing definition that distributes behind the 2nd sprouting before bloom is the growth stage.
In the said method, any method effectively commonly used when the method for using is meant the applications of pesticide includes but not limited to powder injection process, spray-on process, fumigating system, soil treatment method or smog method etc.
Wherein powder injection process is meant that the wind-force that utilizes duster to produce is sprinkling upon the agricultural chemicals of pulvis the surface of crop or controlling object equably; Spray-on process is meant with a certain amount of agricultural chemicals and an amount of water and is made into soup, with the spraying apparatus medicine liquid spray is become droplet, is evenly distributed in crop or controlling object surface; Fumigating system is meant and adopts fumigant or volatile medicament, makes its volatilization become the effectively gas of prevention and elimination of disease and pests; The soil treatment method is meant and takes to spray, dusts, spreads methods such as pesticide-clay mixture, imposes on agricultural chemicals equably in ground or the certain soil layer; The smog method is meant utilizes special-purpose facility to be dispersed into smoke condition to the oily agricultural chemicals, to reach the method for Pesticidal and sterilizing weeding.
Among the present invention, chitosan oligosaccharide is that Glucosamine passes through 1, and the degree of polymerization that the 4-glycosidic bond is formed by connecting is the mixture of the high molecular polymer of 2-30, and mean molecule quantity is 1000-3000 dalton.Chitosan oligosaccharide can be through any means preparation, and for example following method: deacetylation is the mixture of the chitosan oligomer of 2-30 at the shitosan more than 70% through the degree of polymerization that methods such as mechanical degradation method, chemical degradation method, enzyme edman degradation Edman, glycosyl transfer method, composite degradation method prepare.Perhaps, be the mixture of the chitosan oligomer of 2-30 through from fungal cell wall, extracting the degree of polymerization that obtains chitin and prepare through methods such as mechanical degradation method, chemical degradation method, enzyme edman degradation Edman, glycosyl transfer method, composite degradation methods.Perhaps, through passing through 1 by Glucosamine, the degree of polymerization that the chemosynthesis of 4-glycosidic bond is polymerized is the mixture of polymers of 2-30.Chitosan oligosaccharide is the mixture of the high molecular polymer of various polymerization thing at present, that is to say in the chitosan oligosaccharide to be not the oligosaccharides form of the single degree of polymerization, but the chitosan oligosaccharide monose of every kind of degree of polymerization possibly exist all.So no matter prepare through which kind of method; The commercially available prod that perhaps prepares through above-mentioned preparation method, as long as it is that Glucosamine passes through 1, the degree of polymerization that the 4-glycosidic bond is formed by connecting is that 2-30, mean molecule quantity are that the mixture of the daltonian high molecular polymer of 1000-3000 is exactly a chitosan oligosaccharide of the present invention; It can contain acetyl group; But the sugar unit of bonding acetyl group is no more than 40% amount, preferably is no more than 30% amount, especially preferably is no more than 20% amount.Commercially available chitosan oligosaccharide all is the chitosan oligosaccharide product that above-mentioned chitosan oligosaccharide term is set forth basically at present.
Beneficial effect of the present invention:
The present invention has found to be used to improve the composition pesticide that comprises chitosan oligosaccharide of crop yield; This composition pesticide can improve crop yield, has particularly found the special effect of chitosan oligosaccharide when improving crop yield of certain concentration, solves the major issue that improves crop yield; Especially use the composition pesticide that comprises chitosan oligosaccharide after handling crop; Not only improve crop yield, and can not have residue of pesticide doing the deposits yields poisoning.The contribution that the present invention is special also is to use good chance and the concentration that chitosan oligosaccharide improves crop yield through having discovered, has improved chitosan oligosaccharide greatly and has improved the effect of crop yield.
Embodiment
In order to understand the present invention, further specify the present invention with embodiment below, but do not limit the present invention.
Embodiment 1:
5% chitosan oligosaccharide solution with water is diluted to application corresponding concentration respectively; Concentration is calculated according to weight percent concentration; In outcome record, calculate with ppm (1,000,000/) concentration, what 50ppm represented in the outcome record below is that weight percent concentration is 0.005%.Clear water is handled as contrast.Solution after the dilution is in the crop of each vegetative stage according to the demand treatment by stages, and be 7 days blanking time that sprays processing.Each processing is observed and is detected through 3 experimental field (100 square metres); Fruit through 20 as a result plant observe and detect; Output with clear water contrast results object is defined as 100%, and the percentage that the output of the results object of handling with chitosan oligosaccharide is handled with respect to clear water is defined as output raising the output situation.For example the maize yield of clear water processing is 750kg, and the output that chitosan oligosaccharide is handled is 800kg, then is scaled percentage, and the maize yield that clear water is handled is 100%, and the output that chitosan oligosaccharide is handled is 113.33% (=850/750).Concrete disposition and effect are following:
Show that through above-mentioned experiment be single or all use the composition that comprises chitosan oligosaccharide in each stage continuously, all the output to crop has tangible raising.
Claims (5)
1. a composition pesticide that is used to improve crop yield comprises chitosan oligosaccharide in this composition pesticide, and the percentage by weight that chitosan oligosaccharide accounts for this composition pesticide is 0.003%-0.011%.Preferably, to account for the percentage by weight of this composition pesticide be 0.004%-0.0105% to chitosan oligosaccharide.
2. the composition pesticide that comprises chitosan oligosaccharide is used to improve the purposes of crop yield; The percentage by weight that it is characterized in that comprising chitosan oligosaccharide in the composition pesticide of chitosan oligosaccharide is 0.003%-0.011%; Preferably, to account for the percentage by weight of composition be 0.004%-0.0105% to chitosan oligosaccharide.
3. use the composition that comprises chitosan oligosaccharide and improve the method for crop yield; It is characterized in that crop seedling stage, vegetative period, bloom preceding and/or bloom after use composition, every then at a distance from 5-10 days time, preferred whenever at a distance from time of 7 days; Use once more and the identical or different composition of application concentration first 0-3 time; Preferably, use composition 2 times, the percentage by weight of chitosan oligosaccharide is 0.003%-0.011% in the wherein said composition; Preferably, to account for the percentage by weight of composition be 0.004%-0.0105% to chitosan oligosaccharide.
4. purposes according to claim 2, wherein crop is selected from citrus, banana, pears, grape, mango, lichee, longan, apple, peach, apricot, Buddhist nun monkey peach, strawberry, cherry, sweet cherry, strawberry, watermelon, cucumber, tomato, sponge gourd, balsam pear, wax gourd, capsicum, pimento, eggplant, wheat, paddy rice, corn, tealeaves and cotton.
5. method according to claim 3, wherein crop is selected from citrus, banana, pears, grape, mango, lichee, longan, apple, peach, apricot, Buddhist nun monkey peach, strawberry, cherry, sweet cherry, strawberry, watermelon, cucumber, tomato, sponge gourd, balsam pear, wax gourd, capsicum, pimento, eggplant, wheat, paddy rice, corn, tealeaves and cotton.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103430944A (en) * | 2013-09-15 | 2013-12-11 | 海南正业中农高科股份有限公司 | Application of chitosan oligosaccharide-containing composition to promotion of swelling of subterraneous stems and tuberous roots of plants |
| CN103444713A (en) * | 2013-09-05 | 2013-12-18 | 肇庆长龙生物科技有限公司 | Plant growth adjustment agent containing chlormequat chloride and chitosan oligosaccharide |
| CN105994264A (en) * | 2016-06-14 | 2016-10-12 | 韦锦鑫 | Blossom-promoting and fruit-protecting agent suitable for summer and autumn cucumbers |
| CN106070306A (en) * | 2016-06-14 | 2016-11-09 | 韦锦鑫 | A kind of method improving autumn cucumber seat melon rate |
| CN112889826A (en) * | 2021-01-22 | 2021-06-04 | 山东科太药业有限公司 | Composition containing low molecular chitosan oligosaccharide, preparation and application thereof |
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| US6979664B1 (en) * | 1998-07-21 | 2005-12-27 | Bios Agriculture Inc. | Composition for accelerating seed germination and plant growth |
| CN101658171A (en) * | 2009-08-16 | 2010-03-03 | 成都皇牌作物科学有限公司 | Pesticide composition and application thereof |
| CN101816305A (en) * | 2010-05-09 | 2010-09-01 | 海南正业中农高科股份有限公司 | Bactericide pesticide composite containing oligochitosan |
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2011
- 2011-10-28 CN CN2011103339841A patent/CN102388884A/en active Pending
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| US6979664B1 (en) * | 1998-07-21 | 2005-12-27 | Bios Agriculture Inc. | Composition for accelerating seed germination and plant growth |
| CN101658171A (en) * | 2009-08-16 | 2010-03-03 | 成都皇牌作物科学有限公司 | Pesticide composition and application thereof |
| CN101816305A (en) * | 2010-05-09 | 2010-09-01 | 海南正业中农高科股份有限公司 | Bactericide pesticide composite containing oligochitosan |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103444713A (en) * | 2013-09-05 | 2013-12-18 | 肇庆长龙生物科技有限公司 | Plant growth adjustment agent containing chlormequat chloride and chitosan oligosaccharide |
| CN103430944A (en) * | 2013-09-15 | 2013-12-11 | 海南正业中农高科股份有限公司 | Application of chitosan oligosaccharide-containing composition to promotion of swelling of subterraneous stems and tuberous roots of plants |
| CN105994264A (en) * | 2016-06-14 | 2016-10-12 | 韦锦鑫 | Blossom-promoting and fruit-protecting agent suitable for summer and autumn cucumbers |
| CN106070306A (en) * | 2016-06-14 | 2016-11-09 | 韦锦鑫 | A kind of method improving autumn cucumber seat melon rate |
| CN112889826A (en) * | 2021-01-22 | 2021-06-04 | 山东科太药业有限公司 | Composition containing low molecular chitosan oligosaccharide, preparation and application thereof |
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Address after: 571924 the development of Hainan County of Chengmai province old town village distribution Applicant after: Hainan Zhengye Zhongnong High Technology Co., Ltd. Address before: Four, building 25, glorious cinema tower, 570206 Nansha Road, Longhua District, Hainan, Haikou Applicant before: Hainan Zhengye Zhongnong High Technology Co., Ltd. |
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Application publication date: 20120328 |