WSU CAHNRS and WSU Extension

Hortsense

Glossary


A  B  C  D  E  F  G  H  I  L  M  N  O  P  R  S  T  V  W  X 
All Glossary

TermDefinition
deciduousrefers to trees or shrubs that shed leaves completely at the end of the annual growth period.
defoliationthe loss of needles or leaves due to pest activity, disease, or negative environmental response.
delayed dormanttime of year when dormancy is about to end; characterized by the beginning of bud swell.
desiccationthe drying or loss of moisture from a leaf or plant part.
diebackprogressive death of shoots, branches, and roots generally starting at the tip.
dioecioushaving unisexual flowers, each sex confined to a separate plant, said of species.
distortedtaking on a shape that is unnatural.
distortiontaking on a shape that is unnatural.
droughtperiods or conditions that demonstrate the lack of moisture or rain.