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| DOI: | 10.1016/S0007-1536(74)80177-4 |
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| Web URL(s): | https://www.sciencedirect.com/science/article/pii/S0007153674801774?via%3Dihub
Last checked: 10/08/2019
Access conditions: Item is within a limited access website |
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| Publication Type:
| Refereed |
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| Author(s): | Deacon, J. W. |
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| Author Affiliation: | Botany School, University of Cambridge |
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| Title: | Further studies on Phialophora radicicola and Gaeumannomyces graminis on roots and stem bases of grasses and cereals |
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| Source: | Transactions of the British Mycological Society. Vol. 63, No. 2, October 1974, p. 307-327. |
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| Publishing Information: | Cambridge |
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| # of Pages: | 21 |
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| Related Web URL: | http://www.sciencedirect.com/science/article/pii/S0007153674801774
Requires: 07/23/2015
Notes: Abstract only |
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| Keywords: | TIC Keywords: Triticum; Phialophora; Lolium; Gaeumannomyces
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| Geographic Terms: | UK |
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| Abstract/Contents: | "British and foreign isolates of the Gaeumannomyces graminis - Phialophora radicicola complex were examined. For most, colony morphology, conidial characteristics, linear growth rate and temperature- and biotin-requirements for vegetative growth varied independently of one another. Isolates of the dark mycelial fungus from British grasslands, previously called P. radicicola, differed in conidial characteristics, linear growth rate and production of groups of pigmented cells in roots, and it is described as P. radicicola var. graminicola var. nov. Based on growth on host plants, British varieties of G. graminis and P. radicicola are placed in three groups. G. graminis var. tritici and G. graminis var. avenae penetrate the steles of wheat and grass but not maize roots, causing severe disease; they colonize stem bases and grass rhizomes, but do not spread rapidly; and they characteristically form pigmented pseudoparenchymatous infection cushions when penetration is halted. The second group comprises P. radicicola var. radicicola and G. graminis var. graminis. These grow well on roots of all hosts tested, but do not penetrate as well as the first group, so causing disease of only the most susceptible host, ryegrass ; they spread rapidly, but usually only superficially on stem bases and grass rhizomes, and they produce deeply lobed hyphopodia on root and stem surfaces, but usually single, large, unlobed cells within the root, when penetration is halted. P. radicicola var. graminicola comprises the third group, which grows well on roots of all hosts, but is nonpathogenic; it does not grow on stem bases and only poorly on grass rhizomes; and it forms groups of small pigmented cells in the root cortex when penetration is halted." |
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| Language: | English |
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| References: | 32 |
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| Note: | Pictures, b/w
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Deacon, J. W. 1974. Further studies on Phialophora radicicola and Gaeumannomyces graminis on roots and stem bases of grasses and cereals. Br. Mycol. Soc. Trans. 63(2):p. 307-327. |
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| DOI: 10.1016/S0007-1536(74)80177-4 |
| Web URL(s):
https://www.sciencedirect.com/science/article/pii/S0007153674801774?via%3Dihub
Last checked: 10/08/2019
Access conditions: Item is within a limited access website |
| 
MSU catalog number: QK 600 .B6 |
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