blister canker

noun

Definition of blister canker

: a disease of the apple tree caused by an ascomycetous fungus (Nummularia discreta) producing roughened and blackened cankers on the trunk and larger limbs

called also apple pox

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Cite this Entry

“Blister canker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blister%20canker. Accessed 21 Jun. 2021.

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