- ring necrosis
- noun
: a browning of the vascular ring in stems or tubers (as that characteristic of fusarium wilt and a form of necrosis of the potato caused by frost)
Useful english dictionary. 2012.
ring necrosis
Look at other dictionaries:
ring spot — ring′ spot n. ppa any of various viral or fungal plant diseases characterized by concentric rings of discoloration or necrosis on the leaves • Etymology: 1905–10 … From formal English to slang
ring spot — noun 1. : a lesion of plant tissue consisting of yellowish, purplish, or necrotic, often concentric rings 2. : any plant disease of which ring spots are the characteristic lesion: as a. : a virus disease of tobacco and related plants producing… … Useful english dictionary
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