Dieback may refer to a number of plant problems and diseases including:
*
Forest dieback
Forest dieback (also "", a German loan word) is a condition in trees or woody plants in which peripheral parts are killed, either by pathogens, parasites or conditions like acid rain, drought, and more. These episodes can have disastrous conse ...
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
Pruning is a horticultural, arboricultural, and silvicultural practice involving the selective removal of certain parts of a plant, such as branches, buds, or roots.
The practice entails the ''targeted'' removal of diseased, damaged, dead, ...
* Those caused by the genus ''
Eutypa'', such as
''Eutypa'' dieback
* Those caused by the genus ''
Phytophthora
''Phytophthora'' (from Greek language, Greek (''phytón''), "plant" and (), "destruction"; "the plant-destroyer") is a genus of plant-damaging oomycetes (water molds), whose member species are capable of causing enormous economic losses on cro ...
'', such as
''Phytophthora cinnamomi'' dieback
* Those caused by the genus ''
Seiridium
''Lepteutypa'' is a genus of plant pathogens in the family Amphisphaeriaceae. First described by the Austrian mycologist Franz Petrak in 1923, the genus contains 10 species according to a 2008 estimate.
The genus ''Lepteutypa'' is teleomorphi ...
'', such as ''Seiridium cardinale'' dieback or cypress canker
*
Birch dieback
Birch dieback is a disease of birch trees that causes the branches in the crown to die off. The disease may eventually kill the tree. In an event in the Eastern United States and Canada in the 1930s and 1940s, no causal agent was found, but the woo ...
, caused by several pathogens
* Ash dieback, caused by ''
Hymenoscyphus fraxineus
''Hymenoscyphus fraxineus'' () is an ascomycete fungus that causes ash dieback, a chronic fungal disease of ash trees in Europe characterised by leaf loss and crown dieback in infected trees. The fungus was first scientifically described in 200 ...
''
*
Lettuce dieback
* Maize/corn
anthracnose top dieback
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