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 ?
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.
The objective of this study, therefore, was to quantify soil physical and chemical properties, and soil-borne disease incidence (usually black root rot in this site), under continuous and long-fallow cotton in an irrigated, grey, self-mulching Vertosol in eastern Australia, with a view to identifying soil factors other than AM which could contribute to cotton growth rate reductions.
The new inoculation technique identifies plants that carry genes that block the I gene's ability to cause black root.
Black root rot, a fungal disease caused by a soilborne pathogen, affects hollies in much the same way as nematodes.
Deep in the dark depths of a Boston Church, Roto-Rooter technicians were called to remove what was believed to be a large black root.
And while they lined up guest appearances from rappers Lifesavas, Lateef and Lyrics Born, funk band Monophonics, polyphonic Afro-pop vocalist Zap Mama, hip-hop/soul musician Bosko and black roots musician Fantastic Negrito, Volume 1 focuses primarily on the duo.
After being crowned Best Musical at the 2010 Tony Awards, this show about the black roots of rock 'n' roll music finally lands in the UK.
His bleach-blond hair had grown out, half an inch of black roots matching the bags beneath his eyes.
Despite the pain of seeing his children waste away, Gatkoy is determined to stay for at least two months, when the rains come, and only if he has stockpiled enough black roots to see the family through the next six months.