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| Author(s): | Barr, D. J. S. |
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| Author Affiliation: | Biosystematics Res. Inst., Agric. Canada, Ottawa, Ont., Canada |
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| Title: | Morphology and host range of Polymyxa graminis, Polymyxa betae, and Ligniera pilorum from Ontario and some other areas |
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| Source: | Canadian Journal of Plant Pathology. Vol. 1, No. 2, 1979, p. 85-94. |
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| Publishing Information: | Canadian Phytopathological Society |
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| Keywords: | TIC Keywords: Polymyxa graminis; Polymyxa betae; Ligniera pilorum
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| Geographic Terms: | Canada |
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| Abstract/Contents: | Ont., Ind. and Ky. P. graminis isolates grew well, without causing much necrosis, in wheat, barley and rye, and grew moderately or slightly in Agropyron repens, Bromus inermis, B. tectorum, and Hordeum jubatum among (50 cultivated plants and weeds tested. P. betae from Ont. severely infected and caused root necrosis in spinach and Chenopodium album, and slightly infected C. capitatum and Atriplex hortensis; sugar beet and garden beet were infected in only one soil. P. betae f.sp. amaranthi (a new f.sp.) is described on Amaranthus retroflexus from Ont. Both P. spp. are considered to be morphologically similar but retention of 2 spp. is recommended. L. pilorum infected root hairs of some grasses and nongramineous hosts in Ont., but viable cysts were obtained only from wheat and grasses including B. inermis, Lolium multiflorum and Poa annua. |
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| Language: | English |
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| References: | 27 |
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| Note: | Summary appears in French
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Barr, D. J. S. 1979. Morphology and host range of Polymyxa graminis, Polymyxa betae, and Ligniera pilorum from Ontario and some other areas. Can. J. Plant Pathol. 1(2):p. 85-94. |
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