Dieback

Dieback may refer to a number of plant problems and diseases including:
 * Forest dieback caused by acid rain, heavy metal pollution, or imported pathogens
 * The death of regions of a plant or similar organism caused by physical damage, such as from pruning
 * Those caused by the genus Eutypa, such as Eutypa dieback
 * Those caused by the genus Phytophthora, such as Phytophthora cinnamomi dieback
 * Those caused by the genus Seiridium, such as Seiridium cardinale dieback or cypress canker
 * Birch dieback, caused by several pathogens
 * Ash dieback, caused by Hymenoscyphus fraxineus
 * Lettuce dieback
 * Maize/corn anthracnose top dieback