Intermittent wetting of soils at high temperature reduces survival of the take-all fungus

Two pot experiments using naturally infested soil and a range of watering regimes were conducted to study the possible effect of level and frequency of wetting of hot soil (to simulate the period between growing seasons in Western Australia) on inoculum of the take-all fungus (Gaeumannomyces gramini...

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Bibliographic Details
Published in:Plant and soil 1987-09, Vol.103 (2), p.289-291
Main Authors: COTTERILL, P. J., SIVASITHAMPARAM, K.
Format: Article
Language:English
Subjects:
Agricultural site preparation
Agricultural soils
Agrology
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Fungal plant pathogens
Phytopathology. Animal pests. Plant and forest protection
Rain
Short communications
Soil analysis
Soil fungi
Soil science
Soil water
Systematics. Morphology. Development cycle. Physiology
Wetting
Wheat soils
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Summary:Two pot experiments using naturally infested soil and a range of watering regimes were conducted to study the possible effect of level and frequency of wetting of hot soil (to simulate the period between growing seasons in Western Australia) on inoculum of the take-all fungus (Gaeumannomyces graminis var. tritici). In combination with the high soil temperatures, all watering regimes reduced infectivity and propagule number of the take-all fungus, this reduction being absent in dry soils.
ISSN:0032-079X
1573-5036
DOI:10.1007/BF02370404