CN1587376A - Lecanium verticillin and cultivating method and use - Google Patents
Lecanium verticillin and cultivating method and use Download PDFInfo
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- CN1587376A CN1587376A CN 200410058016 CN200410058016A CN1587376A CN 1587376 A CN1587376 A CN 1587376A CN 200410058016 CN200410058016 CN 200410058016 CN 200410058016 A CN200410058016 A CN 200410058016A CN 1587376 A CN1587376 A CN 1587376A
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Abstract
The present invention discloses Verticillium lecanii and its cultivation process and application, and aims at provides Verticillium lecanii product with high insect preventing effect. The present invention provides the strain of Verticillium lecanii Verle CGMCC No. 1187, and the cultivation process includes inoculating the strain onto solid cultivation medium and cultivating at temperature of 23-25 deg.c and humidity of 85-90 % to obtain Verticillium lecanii product. The solid cultivation medium is mainly semi-cooked rice. The cultivated product may be prepared into pesticide with the strain as active component. The Verticillium lecanii product has excellent preventing and controlling effect on white aleyrodids and aphids in green house.
Description
Technical field
The present invention relates to Verticillium lecanii and cultural method thereof and application, particularly relate to Verticillium lecanii and cultural method thereof and the application in sterilant.
Background technology
Verticillium lecanii (Verticillium lecanii) both can parasitize insects such as trialeurodes vaporariorum, aphid, a red-spotted lizard, Coleoptera, lepidopteran; can also parasitize phytopathogens such as rust, damping-off germ, Powdery Mildew; and genetic stability is better; people, plant, poultry, fowl are all found no murder by poisoning; to natural enemy insect safety, therefore in control protection ground cabbageworm, have important potentiality.
Summary of the invention
The purpose of this invention is to provide a kind of new Verticillium lecanii and cultural method thereof.
Verticillium lecanii provided by the present invention (Verticillium lecanii) Verle (Bj085-1) has been preserved in China Committee for Culture Collection of Microorganisms common micro-organisms center (being called for short CGMCC) on 07 12nd, 2004, preserving number is CGMCC № 1187.
Can see on the mycelia at this bacterial strain at opticmicroscope (400 times) and to have conidiophore, conidiophore is upright, and Erlenmeyer flask stalk wheel is born in the middle of the mycelium or the top.Conidium ovalize, size are 2.3-6.4 * 1.5 micron.The bacterium colony of bacterial strain is circular, white on potato dextrose agar (PDA) substratum, and the bacterium colony central uplift is the large bamboo hat with a conical crown and broad brim shape.Bacterial strain Bj085-1 of the present invention compares with existing known bacterial strain, and is more low temperature resistant, and temperature range is at 10-15 degree centigrade, and the conidia germination rate can reach 43-89% (24 hours).This bacterial strain is with 500 ten thousand spore inoculating Trialeurodes vaporariorum Westwoods in 2 age, and after 7 days, lethality rate is more than 87%, than improving 15-20% without the isolating former strain pathogenic strength of monospore.
The cultural method of Verticillium lecanii Verle (Bj085-1), be with inoculation in solid medium, be 23-25 ℃ in temperature, relative humidity is to cultivate under the condition of 85%-90% to obtain the Verticillium lecanii product.The rice that described solid medium preferably parboils.
Wherein, preferred culture temperature is 23 ℃; Relative humidity is preferably 90%.
It is the sterilant of activeconstituents with bacterial strain of the present invention that another object of the present invention provides a kind of.
The product that cultivation is obtained is through pulverizing, being packaged as the spore powder product and being stored in 0 ℃ of-15 ℃ of environment, and the shelf time can reach about 6 months.When using, this spore powder is formulated as behind the liquid spraying uses as sterilant.
The technical process of solid culture Verticillium lecanii of the present invention as shown in Figure 1.Verticillium lecanii strain of the present invention is to separate the new bacterial strain that obtains, and Trialeurodes vaporariorum Westwood and aphid are had good prevention effect.This Verticillium lecanii solid fermentation process is simple, raw materials used cheap, the source is wide, and production process nonstaining property waste material, waste residue and waste gas produce environmental protection.With insects such as this product control Trialeurodes vaporariorum Westwood and aphids, can reduce the pollution of chemical pesticide to vegetables and environment, and also fool proof to people and animals, guarantee the nuisanceless production of vegetables.Trialeurodes vaporariorum Westwood and aphid are that China vegetables are particularly protected the primary pest in the ground vegetables production, and the generation area is vast, harm is serious, and therefore pesticide product of the present invention has broad application prospects.
Description of drawings
Fig. 1 is the process flow sheet of solid culture Verticillium lecanii.
Embodiment
Embodiment 1, screening Verticillium lecanii (Verticillium lecanii) Verle (Bj085-1) CGMCC № 1187
To suffer from trialeurodes vaporariorum corpse in the greenhouse, Beijing area of Verticillium lecanii disease through 70% alcohol-pickled surface sterilization after, be put under 100% relative humidity, 23 ℃ of conditions and cultivate, after growing mycelium, choose mycelia and be seeded on the PDA substratum with inoculating needle, continue down to cultivate 15 days-20 days at 23 ℃, carry out monospore according to a conventional method and separate, cultivate, obtain pure, virulent bacterial strain Verticillium lecanii (Verticillium lecanii) Verle (Bj085-1) CGMCC № 1187.
The bacterial strain that obtains is carried out biological assay, in laboratory population, select 3-4 age anosis Trialeurodes vaporariorum Westwood nymph as the examination worm.Nymph is connected on the tomato seedling, and covers, prevent to try the worm flight with dazzling gas-pervious plastic cup.By the experimental rules of biological assay, be 5 concentration with the Verticillium lecanii product with the sterilized water dilution, be respectively 10
4, 10
5, 10
6, 10
7, 10
8With the negative contrast of sterilized water.All add 1% tween 20 in spore suspension and the contrast.Each dosage carries out 3 times to be repeated, 30 examinations of each repetition worms, inoculate as follows: the Verticillium lecanii spore suspension of drawing 0.1ml with microsyringe, drip in the polypide surface, treat that the polypide surface is done after, put back on the tomato seedling, build plastic cup, be put in relative humidity and be in the illumination box more than 90%, 23 ℃-25 ℃ following every day illumination cultivation 12 hours, secretly cultivated 12 hours.Every day, the mortality ratio of examination worm observed in record.
The result shows, inoculates after 9 days, and each corrected mortality of handling is respectively 74.07% ± 4.15; 60.71% ± 4.75; 55.71% ± 9.81; 48.57% ± 8.21; 38% ± 5.58.
Embodiment 2, cultivation Verticillium lecanii (Verticillium lecanii) Verle (Bj085-1) CGMCC № 1187
Adopt solid ferment mass production Verticillium lecanii: at first rice is parboiled, be loaded in the high pressure resistant plastics bag of 30 * 20cm after air-dry, every packed 200 grams, 0.5h sterilizes under 100 ℃ and 15 pounds of pressure conditions.It is 10 that Verticillium lecanii Verle (Bj085-1) after the activation is diluted to concentration with sterilized water
7Spore/milliliter spore suspension under the aseptic condition is seeded in 150 milliliters of suspension on the rice after the sterilising treatment, is to cultivate 20 days under 90% condition at 23 ℃, relative humidity.
To cultivate obtained strains In Shade dry 3 days, will have the Verticillium lecanii mycelia afterwards and conidial substratum is put in the pulverizer, and pulverize the back and cross 80 mesh sieves, be loaded in the plastics bag, be stored in afterwards in 0 ℃ of-15 ℃ of environment, can preserve 6 months.
Embodiment 3, cultivation Verticillium lecanii (Verticillium lecanii) Verle (Bj085-1) CGMCC № 1187
Training method is with embodiment 2, and difference is that culture temperature is that 25 ℃, relative humidity are 85%, cultivates and obtains the Verticillium lecanii product after 15 days.
Embodiment 4, Verticillium lecanii (Verticillium lecanii) Verle (Bj085-1) CGMCC № 1187 control Trialeurodes vaporariorum Westwoods
When Trialeurodes vaporariorum Westwood takes place, embodiment 2 gained Verticillium lecanii products are taken out, at room temperature water is configured to 5 * 10
7Spore/milliliter spore suspension is contrast with the clear water, spraying at twice, 7 days at interval, the 1000ml/ mu of at every turn spraying.Sprayed back 10 days for the second time, spray sterilant of the present invention, the insect mass mortality, contrast exceeds 80%.
Embodiment 5, Verticillium lecanii (Verticillium lecanii) Verle (Bj085-1) CGMCC № 1187 anti-eliminating aphis
When aphid is taken place, embodiment 2 gained Verticillium lecanii products are taken out, at room temperature water is configured to 5 * 10
7Spore/milliliter spore suspension is contrast with the clear water, spraying at twice, and 7 days at interval, 1000/ mu of ml sprayed at every turn.Sprayed back 10 days for the second time, spray sterilant of the present invention, the insect mass mortality, contrast exceeds 76%.
Claims (6)
1, Verticillium lecanii (Verticillium lecanii) Verle (Bj085-1) CGMCC № 1187.
2, a kind of method of cultivating the described Verticillium lecanii of claim 1 in the inoculation solid medium, is 23-25 ℃ in temperature, and relative humidity is to cultivate under the condition of 85%-90% to obtain the Verticillium lecanii product.
3, method according to claim 2 is characterized in that: described solid medium is the rice that parboils.
4, according to claim 2 or 3 described methods, it is characterized in that: described culture temperature is 25 ℃.
5, according to claim 2 or 3 described methods, it is characterized in that: the relative humidity of described cultivation is 90%.
6, be the sterilant of activeconstituents with the described Verticillium lecanii of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410058016 CN1274807C (en) | 2004-08-06 | 2004-08-06 | Lecanium verticillin and cultivating method and use |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200410058016 CN1274807C (en) | 2004-08-06 | 2004-08-06 | Lecanium verticillin and cultivating method and use |
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| CN1587376A true CN1587376A (en) | 2005-03-02 |
| CN1274807C CN1274807C (en) | 2006-09-13 |
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| CN 200410058016 Expired - Fee Related CN1274807C (en) | 2004-08-06 | 2004-08-06 | Lecanium verticillin and cultivating method and use |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102417886A (en) * | 2011-11-18 | 2012-04-18 | 青岛农业大学 | Lecanicillium psalliotae strain |
| CN102433264A (en) * | 2011-11-25 | 2012-05-02 | 青岛农业大学 | Lecanicillium attenuatum strain |
| CN102796672A (en) * | 2012-08-14 | 2012-11-28 | 黑龙江省农业科学院植物保护研究所 | Verticillium lecanii solid fermentation medium, preparation method and application |
| CN103789218A (en) * | 2014-01-27 | 2014-05-14 | 盐城工学院 | Strain for producing haematochrome and method for producing haematochrome |
| CN104115709A (en) * | 2014-06-30 | 2014-10-29 | 泰山医学院 | Method for utilizing ants to propagate verticillium lecanii so as to prevent and treat tree trunk cypress long-proboscis aphids |
| CN104982461A (en) * | 2015-06-15 | 2015-10-21 | 中国农业科学院柑桔研究所 | Predatory mite and verticillum lecanii combined-application biopesticide and preparing and application method thereof |
| CN105219692A (en) * | 2015-11-04 | 2016-01-06 | 中国农业大学 | Solid state fermentation produces the conidial method of Verticillium lecanii |
| CN109907073A (en) * | 2018-11-06 | 2019-06-21 | 宁夏大学 | A kind of biological pesticide and purposes for preventing and treating aleyrodid |
-
2004
- 2004-08-06 CN CN 200410058016 patent/CN1274807C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102417886A (en) * | 2011-11-18 | 2012-04-18 | 青岛农业大学 | Lecanicillium psalliotae strain |
| CN102433264A (en) * | 2011-11-25 | 2012-05-02 | 青岛农业大学 | Lecanicillium attenuatum strain |
| CN102796672A (en) * | 2012-08-14 | 2012-11-28 | 黑龙江省农业科学院植物保护研究所 | Verticillium lecanii solid fermentation medium, preparation method and application |
| CN103789218A (en) * | 2014-01-27 | 2014-05-14 | 盐城工学院 | Strain for producing haematochrome and method for producing haematochrome |
| CN104115709A (en) * | 2014-06-30 | 2014-10-29 | 泰山医学院 | Method for utilizing ants to propagate verticillium lecanii so as to prevent and treat tree trunk cypress long-proboscis aphids |
| CN104982461A (en) * | 2015-06-15 | 2015-10-21 | 中国农业科学院柑桔研究所 | Predatory mite and verticillum lecanii combined-application biopesticide and preparing and application method thereof |
| CN104982461B (en) * | 2015-06-15 | 2018-06-01 | 中国农业科学院柑桔研究所 | Predatory Mites and the biological pesticide of Verticillium lecanii use in conjunction and its preparation, application process |
| CN105219692A (en) * | 2015-11-04 | 2016-01-06 | 中国农业大学 | Solid state fermentation produces the conidial method of Verticillium lecanii |
| CN109907073A (en) * | 2018-11-06 | 2019-06-21 | 宁夏大学 | A kind of biological pesticide and purposes for preventing and treating aleyrodid |
| CN109907073B (en) * | 2018-11-06 | 2024-02-23 | 宁夏大学 | Biological pesticide for preventing and treating whiteflies and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1274807C (en) | 2006-09-13 |
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