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   Title
   The research of artificial culture on Saccharina japonica
  
        
  
        
   Year
   
        1978
        		
   Category& Level
   
        National Science Conference Award
        		
  
        
  
        
   Awardee
   Liu Tianjing、Guo Dunqing、Yang Yixun、Shi Zhiji
  
        
  
        
   Prizewinning unit
   Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences
  
        
         

        
  
        
 
        Achievement Introduction:
        
 
        
     
    
        In 1950,Saccharina japonicahad been successfully transplanted in Qingdao. This success laid the foundation for the farmingS. japonica. During 1953-1955, the relationship between the gradient of sea area and the growth ofS. japonicawas explored, affirming that nutrient played a decisive role for the growth ofS. japonica, and providing a basic solution for the cultivation ofS. japonicain the nutrition-deficient sea area in the north coast of China. During 1956-1957, southward extension of commercial cultivation ofS. japonicafrom Qingdao to Shengsi was successful. The relationship between sea state conditions of the south coast of China and commercial cultivation ofS. japonicawas explore, and thus the groundwork was laid for a large-scale southward extension of its cultivation industry. In 1957-1958, temperature fitness of growth and development of sporophyte, and cultured conditions with natural light for seeding rearing ofS. japonicawere investigated, and thus a new method of seedling ofS. japonicais put forward, ensuring the demand of seedling ofS. japonicain the commercial cultivation. In 1959, genetic regularity of economic characters ofS. japonicawas investigated. A new high-yielding strain named “59-1” with high-temperature-tolerance and good economic characters was bred successfully. Moreover, the relationships between growth and development ofS. japonicaand temperature, light, and nutrient were explored. A comprehensive system for science & technology of cultivation ofS. japonicahad been set up, raising the level of scientific research ofS. japonicain China to the world's advanced level.
        


        


        
    
        
        


        

        

            
        
        
        
    
        
    

        





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