black root


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black root

[′blak ‚rüt]
(plant pathology)
Any plant disease characterized by black discolorations of the roots.
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.
Additional keywords: cracking clay, minimum tillage, organic C, farming system, mycorrhiza, black root rot, gross margin, Haplustert, compaction.
Has: purple cone flower, burdock, catnip, passion flower, mullein, pink root, wild garlic, black root
and has moderate resistance to black root (caused by Aphanomyces cochlioides Drechsl.
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.
The new strain from Africa triggers a deadly response called black root in bean plants with the I gene - killing instead of protecting them.
It is 42% from C817 (synthetic from GW 359), 28% front breeding lines resistant to cercospora leaf spot and black root (caused by Aphanomyces cochlioMes Drechs.