CN1305721A - Agricultural chemical of active olegose for preventing and eliminating wheat diseases (bakanae disease) - Google Patents
Agricultural chemical of active olegose for preventing and eliminating wheat diseases (bakanae disease) Download PDFInfo
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- CN1305721A CN1305721A CN 00112638 CN00112638A CN1305721A CN 1305721 A CN1305721 A CN 1305721A CN 00112638 CN00112638 CN 00112638 CN 00112638 A CN00112638 A CN 00112638A CN 1305721 A CN1305721 A CN 1305721A
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Abstract
An agricultural chemical of phytoactive oligose for preventing and eliminating crops' diseases, wheat bakanae disease for example, is prepared through adding pectinase to plant dregs proportionally, stirring while heating to 30-48 deg.C, hydrolyzing, deactivating, filter, sieving, vacuum concentrating and sterilizing. Its advantages include no poison and environmental pollution.
Description
What the present invention relates to is the agricultural chemicals of control corps diseases.
Existing various agricultural chemicals mostly is by the synthetic chemical pesticide of extensive use of chemical fedtilizers and other farm chemical established law, to prevent and treat " carbendazim ", " Mai Mianling " agricultural chemicals that wheat scab is main effect, the common drawback of this agricultural chemicals is in use can cause great pollution and murder by poisoning to environment and people, animal as common.In addition, because these agricultural chemicals all contain toxicly, can cause severe contamination to environment in process of production, transportation, storage requirement require also high, make its production, use cost all high.
The objective of the invention is to overcome the above-mentioned shortcoming of existing agricultural chemicals, provide a kind of avirulence to pollute the vegetable active oligosaccharide agricultural chemicals of preventing and treating crop pests such as wheat scab with low cost.
Vegetable active oligosaccharide agricultural chemicals of the present invention is by being raw material with the plant slag, with enzyme degrading plant slag, polysaccharide is degraded to active this technical scheme of oligosaccharide product obtains.Its concrete technology is: add pectase with 10～150,000 fruit amine enzyme unit/per kilogram raw material slags in plant slag raw material, be heated with stirring to 30～48 ℃ of hydrolysis deactivations, solution after the deactivation after filtration, the screening after again through the vacuum decompression concentration, the sterilization potting promptly get this product.The effective ingredient of the product that is obtained is the active oligosaccharide of pectase depolymerized pectin, and oligosaccharide is the new plant hormone of a class, has regulation and control plant immune function, the resistance that improves plant and the function of growing.Utilize this function, can reach the effect of controlling plant diseases.Field trial shows, at wheat booting blooming stage spray wheat plant, can induce and activate wheat protective plant protecting agent accumulation and other forms relevant immune system with resistance, can reach 70～80%, meet or exceed the control efficiency of common pesticides " carbendazim " the control efficiency of wheat scab.
Water oligosaccharide agricultural chemicals sets about the generation of controlling plant disease from the resistance that improves plant itself, is the avirulence public nuisance-free agricultural chemicals that derives from natural products.All nuisanceless in manufacturing and use to environment, to the people, animal nonhazardous.And raw material sources are abundant, technical maturity, and manufacturing cost and use cost is all low.
Provide embodiments of the invention below in conjunction with accompanying drawing.
Fig. 1 manufacture technology flow chart of the present invention
The field test results correction data figure of this product of Fig. 2
Another field test results correction data figure of this product of Fig. 3
Referring to Fig. 1, get soybean stem slag and be raw material for 40 kilograms, put into 500 liters of retort, add entry, under agitation transfer pH4.3～4.6, whisk and be heated to 35～48 ℃, add pectase 400～6,000,000 units, hydrolysis 1 hour, deactivation by 10～15 pectase individual palpation per kilogram soybean stem slags.Solution after the deactivation through vibratory sieve filter and remove residue, filtrate by plate-frame filtering to clarification, be filtered to ultrafiltration apparatus that ultrafiltrate carries out that vacuum decompression concentrates after clear and bright again and the sterilization preservative treatment after potting promptly get this product.Adopt other plant slag such as sugarcane slag, sugar beet pulp etc. are raw material, also can obtain like product, and products obtained therefrom contains 40mg/ml neutral sugar (anthrone method mensuration).Fig. 1 and Fig. 2 have provided this product is used to prevent and treat wheat scab in two areas field test results respectively.As can be seen from the figure, can reach 70～80%, meet or exceed the control efficiency of common pesticides " carbendazim " the control efficiency of wheat scab.
During the last ten years, the field trial that ten various crop such as Chinese cabbage, soybean, orchid have been carried out disease control, result's proof all has good control efficiency.
Claims (1)
1, prevents and treats the vegetable active oligosaccharide agricultural chemicals of crop pests such as wheat scab, it is characterized in that described vegetable active oligosaccharide agricultural chemicals is for being raw material with the plant slag, obtain with following technology: in plant slag raw material, add pectase with 10～150,000 pectase units/per kilogram raw material slag, be heated with stirring to 30～48 ℃ of hydrolysis, deactivation, solution after the deactivation after filtration, after the screening again through the vacuum decompression concentration, promptly to be able to the pectase depolymerized pectin be this product that mainly contains effective constituent in the sterilization potting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00112638 CN1305721A (en) | 2000-01-19 | 2000-01-19 | Agricultural chemical of active olegose for preventing and eliminating wheat diseases (bakanae disease) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00112638 CN1305721A (en) | 2000-01-19 | 2000-01-19 | Agricultural chemical of active olegose for preventing and eliminating wheat diseases (bakanae disease) |
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| Publication Number | Publication Date |
|---|---|
| CN1305721A true CN1305721A (en) | 2001-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00112638 Pending CN1305721A (en) | 2000-01-19 | 2000-01-19 | Agricultural chemical of active olegose for preventing and eliminating wheat diseases (bakanae disease) |
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| CN (1) | CN1305721A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266150A (en) * | 2013-06-05 | 2013-08-28 | 哈尔滨首智生物科技有限公司 | Method for preparing functional oligosaccharides by utilizing beet pulp |
-
2000
- 2000-01-19 CN CN 00112638 patent/CN1305721A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266150A (en) * | 2013-06-05 | 2013-08-28 | 哈尔滨首智生物科技有限公司 | Method for preparing functional oligosaccharides by utilizing beet pulp |
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