black root


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black root

[′blak ‚rüt]
(plant pathology)
Any plant disease characterized by black discolorations of the roots.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Pseudomonas as antagonists of plant pathogens in the rhizosphere, role of the antibiotic 2,4-diacetylphloroglucinol in the suppression of black root rot of tobacco.
black root vertices) of degree i, with j incoming arrows and total j + k loops.
arcuata like most Rosellinia species causes black root rot disease, mainly in tropical and subtropical woody hosts.
"Black root rot is a severe threat to strawberry growers," says Millner.
black root, blackwort, irreversible; deaths from market in
Soil quality indicators monitored were aggregate stability (dispersion index), compaction (air-filled porosity), soil resilience to structural destruction (as geometric mean diameter of soil aggregates formed after puddling and drying of soil), exchangeable cations, calcium carbonate, nitrate-N, pH, organic C, development of arbuscular mycorrhiza (AM), and incidence of cotton root diseases (black root rot).
Has: purple cone flower, burdock, catnip, passion flower, mullein, pink root, wild garlic, black root
It has been selected for resistance to Cercospora leaf spot caused by Cercospora beticola Sacc., and has moderate resistance to black root (caused by Aphanomyces cochlioides Drechsl.) and the Beet curly top virus (BCTV).
So far, he can analyze DNA to distinguish between Aphanomyces cochlioides, which causes black root disease of sugar beet, and A.
Additional keywords: cracking clay, minimum tillage, soil organic C, farming system, mychorrhiza, black root rot, long-fallow disorder.
Negro Vizcaya carries the single dominant hypersensitive I resistance gene to Bean common mosaic virus (BCMV), and it is sensitive to the necrosis inducing strains of Bean common mosaic necrosis virus (BCMNV) which induces the black root reaction.