57results about How to "Disease prevention and control" patented technology

The invention discloses a bacillus amyloliquefaciens strain as well as a preparation method and application of a strain powder preparation of the bacillus amyloliquefaciens strain, and belongs to the technical field of microorganisms. The bacillus amyloliquefaciens JSSW-LA, which is obtained through screening, is preserved in China Center for Type Culture Collection with preservation number of CCTCC NO: M2015602. The strain powder preparation of the bacillus amyloliquefaciens, which is prepared through freeze-dried culture activation, fermentation culture and strain powder preparation, is applicable to an additive of fishery breeding feed or a water quality improver of aquaculture; the bacillus amyloliquefaciens JSSW-LA provided by the invention is capable of effectively inhibiting the growth of A.sobria, A.hydrophila, A.caviae, aeromonas veronii and edwardsiella tarda, and an inhibitory effect on the A.sobria, A.hydrophila and A.caviae is more excellent than that on other pathogenic bacteria. Therefore, the JSSW-LA strain powder, applied to aquaculture, is capable of effectively preventing and controlling diseases in aquaculture animals caused by pathogenic bacteria, in particular bacterial bleeding disease, so as to protect the healthy growth of aquatic animals.

The invention belongs to a fruit tree yellowing disease preventing and treating comprehensive preparation in fruit tree fertilizers. The preparation comprises (1) a foliage spray micro element fertilizer comprising the following components in percentage by weight: 18-22% of sequestration iron, 13-17% of magnesium, 13-17% of boron, 18-22% of zinc, 9-11% of silicon, 9-11% of selenium, 9-11% of kalium, 0.02% of endogenous hormone and 0.02% of gibberellin, total being 100%, and adding 500-700 times of water for foliage spray; (2) a root-irrigation conditioner comprising the following components in percentage by weight: 11-14% of sequestration iron, 45-55% of citric acid, 2-3% of soil conditioner, 30-40% of nitrogen, phosphorus and potash fertilizers which are same in amount, and trace of protease, total being 100%; and adding 40-60 times of water for the root-irrigation; and (3) a stem-coating nutritional agent comprising the following components in percentage by weight: 18-22% of sequestration iron, 0.1-0.3% of humic acid, 0.1-0.3% of fulvic acid, trace of aspartic acid and threonine and the balance of soft water penetrating agent, total being 100%; and adding 10-20 times of water for stem-coating. After kiwi fruit flowers, before a fruit expanding period (the first-ten and middle ten days of June), the foliage spray micro element fertilizer (the sequestration iron and multiple micro element nutrient solution) can be sprayed on leaves, meanwhile the conditioner (multiple nutrients and enzyme compounds and endogenous root-generating healing agents) is performed. A leaf fast green comprehensive preventing and treating preparation is coated on stems for the serious fruits. Triple effect is united as one, and the purpose of curing the yellowing disease is achieved.