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nailhead spot

noun
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Definition of nailhead spot

: a rot of the tomato that is caused by an imperfect fungus (Alternaria tomato) and is characterized by small sunken brown to black fruit spots resembling the head of a nail

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“Nailhead spot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nailhead%20spot. Accessed 9 Jul. 2020.

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