black shank

noun

, Plant Pathology.

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

Example Sentences

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.

From Washington Times