phloem necrosis

phloem necrosis

[′flō·əm nə′krō·səs]
(plant pathology)
A pathological state in a plant in which the phloem undergoes brown discoloration and disintegration.
References in periodicals archive ?
Phloem necrosis and elm leaf beetles are severe problems.
PEST PROBLEMS: Phloem necrosis possibly, but reported resistant to Dutch Elm Disease and elm leaf beetles.
A rapid-growing form that is resistant to Dutch Elm and phloem necrosis. 'Sapporo Autumn Gold'--Similar to U.
PEST PROBLEMS: Many, but resistant to Dutch Elm, phloem necrosis, and elm leaf beetles.