WERKWIJZE VOOR HET JAARROND IN BLOEI TREKKEN VAN HORTENSIA-PLANTEN.

摘要

Method for forcing hydrangea plants (Hydrangea macrophylla (Thunb.) Ser.) into bloom all year round. According to this method hydrangea plants grown from tissue culture material are used which have undergone a dormant period at a temperature below 0 DEG C, preferably at a temperature of -5 DEG C to -2 DEG C, after flower and formation and lignification.