Acclimation results of micropropagated black locust (Robina pseudoacacia L.) improved by symbiotic micro-organisms

Robinia pseudoacacia is the most important of the fast-growing forest tree species in Hungary [1]. It is selected for varieties with (1) straight stem for timber production, (2) long flowering time for honey production, (3) large pods as deer-fodder, (4) decorative pink flowers as ornamental trees.