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| Web URL(s): | http://www.apsnet.org/publications/phytopathology/backissues/Documents/1984Articles/phyto74n07_789.pdf#page=24
Last checked: 10/15/2015
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Wilkinson, H. T. |
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| Author Affiliation: | Dept. of Plant Pathology, University of Illinois, Urbana-Champaign, IL |
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| Title: | Yellow Ring Disease of Poa pratensis |
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| Source: | Phytopathology. Vol. 74, No. 7, July 1984, p. 812. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| Keywords: | TIC Keywords: Yellow ring; Poa pratensis; Trechispora alnicola; Agrostis stolonifera
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| Abstract/Contents: | "During 1978-83 in Illinois, Iowa, Wisconsin, Indiana, and New Jersey, yellowed rings (10 cm wide and 0.1-1.5 m diam.) were observed in P. pratensis turf. The yellowed rings were visible during the months of June-October. Trechispora alnicola was identified as the predominant microorganism isolated from diseased grass plants. Isolations were made by disinfesting the surface of plesionecrotic roots and crowns using 0.5% sodium hypochlorite and seeding them onto thatch medium (200 g P. pratensis thatch + 17 g agar per liter of water) adjusted to pH of 4.5 using HC1. Trechispora alnicola cultured on thatch medium was used to inoculate P. preatensis and Agrostis palustris plants. Root and crown infections were produced on, and T. alnicola was recovered from, P. pratensis; no infections occurred on A. palustris. Inoculated P. pratensis developed the characteristic yellowed leaf symptoms observed in the field. This disease of P. pratensis caused by T. alnicola has been named yellow ring." |
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| Language: | English |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Wilkinson, H. T. 1984. Yellow Ring Disease of Poa pratensis. Phytopathology. 74(7):p. 812. |
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| Web URL(s):
http://www.apsnet.org/publications/phytopathology/backissues/Documents/1984Articles/phyto74n07_789.pdf#page=24
Last checked: 10/15/2015
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: SB 599 .P48 |
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