Dictionary
phloem necrosis
noun
Definition of PHLOEM NECROSIS
: a pathological state in a plant characterized by brown discoloration and disintegration of the phloem; especially : a fatal disease of the American elm caused by a phytoplasma transmitted by a leafhopper (Scaphoideus luteolus)
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First Known Use of PHLOEM NECROSIS
1923
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