Encyclopedia

black root rot

black root rot

[′blak ′rüt ‚rät]
(plant pathology)
Any of several plant diseases characterized by dark lesions of the root.
A fungus disease of the apple caused by Xylaria mali.
A fungus disease of tobacco and other plants caused by Thielaviopsis basicola.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
After harvesting the seven tonnes of the produce, he feeds the green fibrous part and produce considered rejects to his two three Friesian cows.Powdery mildew, black root rot and bacteria wilt are some of the diseases that affect carrots.
Jorar OP (2003) Using rotations to reduce black root rot. Australian Cottongrower 24, 47-48.
Nehl D, Allen S, Mondal A, Lonergan P (2004) Black root rot: a pandemic in Australian cotton.
R bunodes causes black root rot mainly in tropical woody hosts.
But tests have shown that planting strawberries in these flexible tubes significantly reduced incidence of black root rot and increased yields 16- to 32-fold.
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).
Additional keywords: cracking clay, minimum tillage, soil organic C, farming system, mychorrhiza, black root rot, long-fallow disorder.
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