Micropropagation of strawberry (Fragaria * ananassa Duch.). Effect of mineral salts, benzyladenine levels and number of subcultures on the in vitro and field behaviour of the obtained microplants and the fruiting capacity of their progeny

6-benziladenina 6-benzyladenine activated carbon ba benzyladenine charbon actif cultivo in vitro culture in vitro culture media enracinement enraizamiento fragaria fraise fresa in vitro culture medio de cultivo micropropagation milieu de culture minerales minerals multiplication des plantes nutrition des plantes plant nutrition plant propagation rooting strawberries