black shank

noun

Plant Pathology.

a disease of tobacco, characterized by wilting and by decayed, blackened roots and stems, caused by a fungus, Phytophthora parasitica nicotianae.

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Example Sentences

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Granville wilt bacteria and black shank disease are constant enemies kept at bay by rotating plots and application of a fumigant called telone gas that can cost $100 an acre.

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black shag black sheep

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