black thread

noun

Definition of black thread

: a disease of the tapped area of the Para rubber tree that is caused by a fungus (Phytophthora meadii) and that is characterized by black lines extending through the exposed bast into the cambium or wood

— called also black stripe, stripe canker

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Dictionary Entries near black thread

blackthorn winter

black-throated blue warbler

black-throated bunting

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