red rot

noun

Definition of red rot

1 : a common sundew (Drosera rotundifolia)
2a : either of two diseases of sugarcane:
(1) : a destructive disease caused by a fungus (Physalospora tucumanensis) characterized by red patches within the canes and found also on sorgo
(2) : a rot of the leaf sheaths caused by a fungus (Sclerotium rolfsii)
b : a wood decay of various conifers and deciduous trees caused by various pore fungi

called also red heart

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