Streptomyces jingyang wettable powder and preparation method thereof
A technology of Streptomyces jingyang and wettable powder, which is applied in the field of agricultural microorganisms and biological pesticides, and can solve the problems of obtaining fertile soil that is not as convenient and stable as before, low in bacteria content, and unable to be killed
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Embodiment 1
[0021] A Streptomyces Jingyang wettable powder is characterized in that, the Streptomyces Jingyang wettable powder is composed of the following parts by weight: 90 parts of Streptomyces Jingyang fermentation bacteria powder; wetting agent: 3 parts of sodium dodecylbenzenesulfonate ; Dispersant: 0.7 parts of tea saponin; UV protection agent: 1.5 parts of ascorbic acid, 0.6 part of β-dextrin; dry protection agent: 3 parts of maltose, 0.8 part of mannitol; its specific preparation method consists of the following steps:
[0022] One, the preparation of Streptomyces jingyang fermentation bacteria powder
[0023]Take out the strain preservation tube, scratch the plate with Gaoshi No. 1 solid medium for recovery, culture at 30°C for 4-5 days, pick a single colony under the plate and inoculate it on the Gaoshi No. 1 solid medium in the eggplant bottle, and spread it all over the place. Eggplant bottle, incubate in an incubator at 30°C for 4-6 days, wait until there are light pink spo...
Embodiment 2
[0034] Application effect of Streptomyces jingyang wettable powder of the present invention in the control of banana wilt
[0035] 1 Test time: May 2014-June 2016
[0036] 2. Test location: a farm in Xuwen County, Guangdong Province
[0037] 3. Test plan: test group: drip irrigation once a month, the dosage is 1 kg / mu of Streptomyces jingyang wettable powder of the present invention, and the use area is 22 mu; control group: use a commercially available Bacillus wettable powder (special for bananas) 10 kilograms / mu, use area is 108 mus, control group uses bacillus wettable powder to use until March, 2015, also uses Streptomyces jingyang wettable powder of the present invention from April, 2015; Other management is identical.
[0038] 4. test results:
[0039] We have counted the morbidity situation of test group and matched group, the results are as follows in table 1, as can be seen clearly from table 1, test group uses the morbidity rate of Streptomyces jingyang wettabl...
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