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| Web URL(s): | http://archive.lib.msu.edu/tic/tgtre/article/1993nov1a.pdf
Last checked: 12/18/12
Requires: PDF Reader |
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| Publication Type:
| Professional |
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| Author(s): | Sann, Christopher |
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| Title: | Understanding necrotic ring spot: Undetected chronic infections contribute to a variety of problems |
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| Source: | TurfGrass TRENDS. Vol. 11, November 1993, p. 1-4, 6. |
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| Publishing Information: | Washington, DC: TurfGrass Trends |
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| # of Pages: | 5 |
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| Keywords: | TIC Keywords: Cool season turfgrasses; Disease profile; Necrotic ring spot; Ophiosphaerella korrae; Patch diseases; Root damage
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| Abstract/Contents: | "Necrotic ring spot (N.R.S.) is caused by a specific fungus called Leptosphaeria korrae. The gross symptoms of N.R.S. usually do not appear until the loss of root mass is compounded by environmental stress, causing loss of turgor, wilting, and leaf and/or crown death. The most active periods of infection occur during prolonged periods of cool wet weather in early fall and in early spring. Not simply the occasional, "classic" patch disease of bluegrass, necrotic ring spot should be considered a common, chronic, root-damaging infection that can adversely affect all of the common cool-season turf grass species such as fine fescues, annual bluegrasses, ryegrasses, Kentucky bluegrasses, bentgrasses and tall fescues (listed from the most to the least susceptible). Accurate diagnosis of N.R.S. may require microscopic confirmation." |
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| Language: | English |
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| References: | 0 |
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| Note: | Includes sidebar p.2, " 'Child' plants from long-term infections"
Includes sidebar p.3, "Susceptible species"
Pictures, b/w |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Sann, C. 1993. Understanding necrotic ring spot: Undetected chronic infections contribute to a variety of problems. TurfGrass Trends. 11:p. 1-4, 6. |
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| Web URL(s):
http://archive.lib.msu.edu/tic/tgtre/article/1993nov1a.pdf
Last checked: 12/18/12
Requires: PDF Reader |
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