bottom rot


Definition of bottom rot

1 : a disease of lettuce caused by a fungus (Corticium solani) that first rots the lower leaves and then spreads upward
2 : a decay of the basal portion of a tree trunk by any of various pore fungi (such as Polyporus schweinitzii)

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Cite this Entry

“Bottom rot.” Dictionary, Merriam-Webster, Accessed 11 Aug. 2020.

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