Studies on the production of virus-free stocks by tissue culture in strawberry -(2)- Organ differentiation and rapid clonal multiplication of virus-free stocks in meristem culture

6-benziladenina 6-benzyladenine acido naftilacetico ba cal callo callus cell differentiation cultivo de meristemas cultivo de tejidos culture de tissu culture media fraise fresa kinetin medio de cultivo meristem culture milieu de culture naa plantas libres de virus plante indemne de virus quinetina strawberries tissue culture