CN1027785C - Agricultural chemical prepared from edible fungus for curing and preventing plant virus - Google Patents
Agricultural chemical prepared from edible fungus for curing and preventing plant virus Download PDFInfo
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- CN1027785C CN1027785C CN 93102828 CN93102828A CN1027785C CN 1027785 C CN1027785 C CN 1027785C CN 93102828 CN93102828 CN 93102828 CN 93102828 A CN93102828 A CN 93102828A CN 1027785 C CN1027785 C CN 1027785C
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Abstract
The present invention relates to a pesticide prepared from edible fungus for curing and preventing plant viruses and a technology, which is characterized in that the solid fermented culture medium of edible fungus or waste solid culture medium used for growing seedlings is soaked in warm water of 50 to 60DEGC after being crushed. After solid fermented culture medium or the waste solid culture medium is soaked, the separated liquid is prepared into a biotic pesticide by the technology of vacuum decompression and vaporization concentration, and the biotic pesticide is used for preventing and curing plant viruses such as TMV, CMV, etc.
Description
The agricultural chemicals of edible mushroom preparation control plant virus is that the edible fungus fermented thing of a kind of usefulness extracts biocide, be used to prevent and treat plant virus, the particularly control of TMV virus, its technology are the technology that the solid fermentation culture of edible mushroom and the solid culture of growing fruit body are concentrated through the warm water lixiviate.
The content of the 196th~198 page of record of edible fungus biology basis one book (Yang Qingyao is compiled, Science and Technology of Shanghai publishing house nineteen eighty-three version) has illustrated that the infusion of the solid culture of edible mushroom has the effect of preventing to plant virus.Its technology be with the solid culture of edible mushroom at hot-water soak (120 ℃ 20 minutes), and make leaching liquor.And this test of just doing from mechanism proves that soak can suppress the natural phenomena that tobacco mosaic virus is contaminated, and whether explanation can not prevent and treat plant virus.The test technology of its record can not be used for producing, and the pesticide activity component content of producing is low, and most active ingredient activating enzyme all transform loss, and part is also lost the nutriment and the bio-hormone of plant growing.Need use the higher leaching liquor of concentration during use, plant growing is not had facilitation.Formed leaching liquor can not form the agricultural chemicals of extensive use.
The object of the present invention is to provide a kind of edible fungus living being agricultural chemicals that can effectively prevent and treat plant virus, promote plant growing, provide the few edible mushroom of a kind of effective active components loss to prepare the technology of agricultural chemicals.
Preparation technology of the present invention is that edible mushroom solid culture that will ferment or the useless solid culture of growing fruit body are packed into and soaked in the water.The water that is characterized in putting into 50~60 ℃ soaks, and isolates immersion liquid after the immersion, again the vacuum decompression evaporation and concentration is carried out in immersion liquid.The concentrate of obtaining is exactly an agricultural chemicals of preparing control plant TMV, CMV virus.The temperature of water logging bubble relatively is fit to the survival of active ingredient in this edible mushroom solid culture, and the extraction survival of particularly pester RNA and organized enzyme and the nutraceutical survival of plant production help obtaining the higher extract of these effective component contents.At concentration process is not to adopt the normal pressure heating evaporation, but adopts the moisture content of vacuum decompression vaporize draw liquid.Because evaporating temperature is low, more helps the survival of effective ingredient in the extract.Particularly be controlled at vacuum evaporation below 55 ℃ when vacuum reduction vaporization thickening temperature, more help pester RNA(just glucose, galactose, mannose, xylopyranose and 15 seed amino acids) and the survival of organized enzyme, also help the nutraceutical survival in the extract.Certainly vacuum evaporation concentrates and can carry out better in temperature lower below 50 ℃, but the vacuum evaporation thickening temperature is low more, and vacuum is difficult more to be reached, and wayward.So generally preferably grasp and under 48~50 ℃ condition, carry out vacuum evaporation and concentrate.Concentrate 55 ℃ of following temperature vacuum evaporation, the concentrate pesticide active ingredient content that is obtained is higher.Compare together with 120 ℃ of hot-water soaks, and with the concentrate that is higher than 100 ℃ atmospheric evaporation, concentrate pesticide active ingredient of the present invention and organized enzyme have improved about 60%.
The edible mushroom solid culture is preferably broken before emerge in worm water, and is that broken granularity minimum is best, so that increase the immersion area to solid culture, increases effective ingredient and organized enzyme and is dissolved in water speed, reduces the time of soaking.Solid culture was generally 1: 1 to 1: 5 with immersion warm water part by weight.The warm water that soaks is very few, is difficult for the effective ingredient and the organized enzyme of dissolved solid culture, can not fully soak solid culture.The warm water that soaks too much increase is dissolved with effective constituent and the organized enzyme effect is little, and the moisture content of soak is excessive, has increased the time that vacuum evaporation concentrates and the energy of consumption.Preferably be added with stirring at immersion process, can stir every a period of time one, the dissolving to quicken to soak increases effective ingredient and organized enzyme in the soak.For water-soluble effective ingredient and organized enzyme are separated with soak as far as possible, the separation after the immersion adopts centrifuge to carry out centrifugation equally.Preferably get the supernatant immersion liquid of precipitation after centrifugal.When vacuum evaporation, constantly heat being concentrated liquid.Heating can be adopted various heating, but can not heat with high temperature heat source, and is too high to prevent local temperature, destroys the effective ingredient and the organized enzyme that are concentrated in the liquid.
Through emerge in worm water, the concentrate that the soak of separation obtains through the vacuum decompression evaporation and concentration is is just prevented and treated the agricultural chemicals of plant virus for the present invention with the edible mushroom solid culture that ferments or the edible mushroom solid culture of growing fruit body.The agricultural chemicals of concentrate is convenient to store transportation.Need only during use and dilute different multiples as required.In order to make agricultural chemicals be more convenient for storing, prevent the rotten of effective ingredient and organized enzyme, increase result of use, preferably in concentrate, be added with 0.5~0.8%(weight) Sodium Benzoate and 2 ± 0.5%(weight) Tween 80.Concentrate and Sodium Benzoate and Tween 80 are made into the agricultural chemicals of liquid control plant virus.This dense medicine can be guaranteed validity and promote the effect of plant growing.
The present invention compared with the prior art, the edible mushroom solid culture that the raw material that is adopted does not still ferment, but also the available useless solid culture of growing fruit body has made full use of waste material, has reduced cost.Preparation technology of the present invention and the agricultural chemicals of producing have kept the effective ingredient and the biologically active of edible mushroom metabolite effectively, have increased the recovery rate of effective ingredient and organized enzyme and the content of agricultural chemicals.Prevention and control capability and result of use have been improved to plant virus.Make to be used for industrial production, and can produce can practical agricultural chemicals.When agricultural chemicals of the present invention was prevented and treated virus to crops, the natural nutrition thing that contains can also play a driving role to growth and development of plants, can improve output 15~20%.With 300 times of concentrate agricultural chemicals dilutions of the present invention, plants such as tomato, capsicum, cucumber are made the infection inhibiting rate of TMV and test, infect inhibiting rate and compete to reach more than 96.7%, wherein the TMV infection inhibiting rate to capsicum reaches 100%.
Further specify the present invention below in conjunction with example.
Example 1
The edible mushroom mushroom strain was inoculated in broad-leaved wood chip and wheat bran 4: 1, in moisture 55% the mixed culture, and under 20~22 ℃ of conditions cultivation and fermentation.Cover with and begin to take shape bark shape tissue when mycelia, when reaching abundant fermentation, stop fermented and cultured.Mushroom solid culture that fermented and cultured is good was pulverized, and added 55 ℃~60 ℃ emerge in worm water 5 hours by 1: 2 weight.Once stirred every 1 hour therebetween, the active ingredient in the culture fully is dissolved in the warm water.Fluid separation applications after will soaking with supercentrifuge is come out, and parting liquid is precipitated.Get supernatant and put into the evaporation and concentration jar.To the formation vacuum that reduces pressure in the jar, and simultaneously liquid in the jar is heated.Liquid remained on carry out vacuum decompression evaporation under 55 ℃ of following conditions.Continuous evaporation makes its volume be evaporated at 20% o'clock, stops the heating, vacuum reduction vaporization.Be evaporated to the agricultural chemicals that 20% concentrate just can be used as the control plant virus like this.If the resting period surpasses 48 hours, and wants long-term storage or transportation to re-use, can in concentrate, add the Sodium Benzoate of weight 0.5%.For the agricultural chemicals that increases concentrate action time to plant, also can in concentrate, add 2 ± 0.5% Tween 80, to increase soup, increase the property of medicine action time of soup, thereby increase drug effect the adhering to of plant and seed.Dilute 300~500 times to plant spraying secondary with this soup, carry out sub-district comparative trial and large-scale demonstration in the field, TMV and CMV plant virus are prevented and treated, its control efficiency is as follows: tomato is 65.3~78.7%; Green pepper 62.4~75.7%; Kidney bean 74.6~85.1%; Chinese cabbage 62.5~65.8%; Peanut 74.1~80.0%; Tobacco 63.6~86.7%.And promoting that simultaneously plant strain growth is healthy and strong, precocity on average increases production 10~15%.
Example 2
With growing CrO
2Useless solid culture behind the fruit body mushroom is put into 50~55 ℃ heated pool immersion by 1: 4 ratio after fragmentation.Soak after 4 hours, immersion liquid is separated with centrifuge.Isolated immersion liquid can be removed residue after filtration.Filtered liquid joins in the cold boiler, carries out vacuum decompression inspissation and contracts.Heating-up temperature remains on 48~50 ℃, vacuumizes evaporation and concentration under 48~50 ℃ of temperature.Be concentrated to stoste 15% after just stop heating vacuum vaporation and concentrate.In concentrate, add 0.8% sodium benzoate, form the agricultural chemicals of control plant virus of the present invention.Dress is deposited in the sealing of packing in the bottle of this agricultural chemicals, can preserve at normal temperatures in 1 year effectively.Dilute 300 times to vegetable growth phase spray 3~4 times with this agricultural chemicals.For the tomato of growing in the booth spring, this dusting district does not have the diseased plant generation of TMV and CMV virus, and under equal conditions the then diseased plant rate with other counterpoisons is 7~10%.This agricultural chemicals can also promote the tomato premature ripening simultaneously.For the cucumber of open-air plantation, the control in field rate reaches 76.8%.For the tomato of open-air plantation, the control in field rate reaches 94.1%.For the pimento of open-air plantation, the control in field rate reaches 80.9%.For the Kidney bean of open-air plantation, the control in field rate reaches 99.5%.For the Chinese cabbage of open-air plantation, the control in field rate reaches 98.1%.On Chinese cabbage, also can obviously suppress the generation of soft rot and downy mildew.The effect that Kidney bean is had tangible early flowering, bears pods and increases production.
Claims (6)
1, a kind of technology of edible mushroom preparation control plant virus agricultural chemicals, be that edible dried mushroom solid culture that will ferment or the useless solid culture of growing fruit body are put into water and soaked, it is characterized in that: the temperature of water is 50 ℃~60 ℃, isolate immersion liquid after the immersion, again the vacuum decompression evaporation and concentration is carried out in immersion liquid.
2, according to the said technology of claim 1, it is characterized in that: it is to concentrate being lower than 55 ℃ of following vacuum evaporation that vacuum decompression concentrates.
3, technology according to claim 2 is characterized in that: vacuum decompression is concentrated to be concentrated at 48~50 ℃ vacuum decompression.
4, according to claim 1 or 2 or 3 described technologies, it is characterized in that: put into the water immersion process and be added with stirring.
5, according to claim 1 or 2 or 3 described technologies, it is characterized in that: soak the back separation and adopt centrifuge to separate.
6, according to claim 1 or 2 or 3 said technologies, it is characterized in that: immersion liquid is the precipitation supernatant immersion liquid after separating.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 93102828 CN1027785C (en) | 1993-03-20 | 1993-03-20 | Agricultural chemical prepared from edible fungus for curing and preventing plant virus |
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CN 93102828 CN1027785C (en) | 1993-03-20 | 1993-03-20 | Agricultural chemical prepared from edible fungus for curing and preventing plant virus |
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CN1078094A CN1078094A (en) | 1993-11-10 |
CN1027785C true CN1027785C (en) | 1995-03-08 |
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CN 93102828 Expired - Fee Related CN1027785C (en) | 1993-03-20 | 1993-03-20 | Agricultural chemical prepared from edible fungus for curing and preventing plant virus |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101341888B (en) * | 2008-08-19 | 2011-05-18 | 北京市农林科学院 | Bolete extract, preparation and application thereof |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1087903C (en) * | 1996-01-19 | 2002-07-24 | 济南科贝尔生物工程有限公司 | Agricultural chemical for preventing and controlling plant virus prepared by liquid fermentation and its producing technology |
CN1124784C (en) * | 2000-04-20 | 2003-10-22 | 王先彬 | Biological Pesticide prepared with the extraction from xianggu mushroom leftover and the preparation process |
CN1333044C (en) | 2003-09-28 | 2007-08-22 | 中国石油化工股份有限公司 | Method for cracking hydrocarbon oil |
US7347930B2 (en) | 2003-10-16 | 2008-03-25 | China Petroleum & Chemical Corporation | Process for cracking hydrocarbon oils |
CN101297648B (en) * | 2007-11-22 | 2010-12-29 | 北京燕化永乐农药有限公司 | Bactericide agent composition containing mushroom proteoglycan |
JP5669943B2 (en) * | 2011-07-15 | 2015-02-18 | 株式会社王樹製薬 | Antibacterial agent and production method thereof |
CN103141513B (en) * | 2013-02-20 | 2015-02-18 | 游彩霞 | Aqueous agent containing lentinan and ammonium molybdate, and preparation method thereof |
FR3090275B1 (en) * | 2018-12-21 | 2022-04-29 | Covertis | BIOLOGICALLY ACTIVE SUBSTANCE, METHOD FOR MANUFACTURING IT AND ITS USE AS A PROTECTIVE AGENT FOR A BIOLOGICAL TISSUE |
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1993
- 1993-03-20 CN CN 93102828 patent/CN1027785C/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101341888B (en) * | 2008-08-19 | 2011-05-18 | 北京市农林科学院 | Bolete extract, preparation and application thereof |
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