D.
DAMPING OFF: A fungal disease causing seadlings to colapse at the base of the stem. DECIDUOUS: A tree that drops its leaves in autum. DEFOLIATION: The natural or human removal of the foliage. DENDROLOGY: The study of trees. DIE BACK: The death of shoots and even branches caused by severe frosts, pest attack or disease. DIVIDED LEAF: A leaf made up of seperate sections on one stalk. DIVISION: A process where shrubs eg: Bamboo is divided at the root ball and replanting the sections. DORMANT: A period of rest where the tree doesnt grow during Autumn and Winter. DORMANT BUD: A bud that didnt burst into growth during the growing season. DRAWN: A leggy plant normally in poor health due to lack of light. DWARF: A smaller cultivar of the same plant species |
