Dieback definition

dībăk
(biology) The browning and death of a plant shoot starting at the tip, due to either disease or climate conditions.
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The gradual dying of plant shoots, starting at the tips, as a result of various diseases or climatic conditions.
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A disease of vascular plants characterized by a dying backward from the tip of twigs and branches and caused by parasites, insufficient moisture, etc.
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Other Word Forms

Noun

Singular:
dieback
Plural:
diebacks

Origin of dieback

Dieback Sentence Examples

  • Drought is also thought to be a factor causing dieback in hedgerow trees, which are not included in the UK crown density survey.

  • A whole plant showing dieback was sent to CSL for diagnosis.

  • In North America it also causes ramorum dieback or ramorum leaf blight on a range of woodland plants.

  • This forest dieback or degradation could potentially contribute 10 to 100 Gt C to the atmosphere in the coming century.

  • The other problem affecting alders is crown dieback, which results in the tree dying from the top downwards.

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Words near dieback in the Dictionary