blister spot

noun

Definition of blister spot

: a disease of the apple caused by a bacterium (Pseudomonas papulans) and characterized by dark brown blisters on the fruit and rough bark cankers on the limbs

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“Blister spot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blister%20spot. Accessed 30 Sep. 2020.

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