Use of a root assessment tray for the detection of take-all on lateral roots of wheat seedlings |
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| Authors: | P J Cotterill K Sivasithamparam |
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| Institution: | (1) Soil Science and Plant Nutrition Group, School of Agriculture, The University of Western Australia, 6009 Nedlands, Western Australia;(2) Present address: Victorian Crops Research Institute, 3400 Horsham, Victoria, Australia |
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| Abstract: | A root assessment tray was designed for the meticulous assessment of take-all on wheat seedling roots from soil bioassays. Subsequently, the detection of lateral root infections (in addition to the more obvious infections on main axes of seminal roots) resulted in increased estimates of propagule numbers of the take-all fungus (Gaeumannomyces graminis var.tritici) for 196 of the 368 soil samples bioassayed in a field study conducted in Western Australia between 1984 and 1986. |
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| Keywords: | Gaeumannomyces graminis roots wheat |
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