black shank

black shank

[′blak ‚shaŋk]
(plant pathology)
A black rot disease of tobacco caused by Phytophthora parasitica var. nicotianae.
References in periodicals archive ?
Liancheng White (genotype CCtt) has pure white plumage but black beak, and gray black or black shank and webs.
The main problem at present is with soil-borne diseases, mainly bacteria wilt, black shank and Granville wilt," said Dr Mila.
Thakur Shambhu Singh's horse (figure 2) has a uniform grey body, black shanks, white ankles, and grey (not black) hooves, a prominent white tilak-like mark on the forehead, large hips (not small and narrow), short ears, well-formed large eyes, an open red mouth displaying even white teeth, a long neck, a short root of the tail, round knees, and a full tasselled mane.