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| Web URL(s): | http://www.apsnet.org/publications/phytopathology/backissues/Documents/1994Articles/phyto84n10_1061.pdf#page=25
Last checked: 10/16/2015
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): | Thompson, D. C.;
Clarke, B. B.;
Heckman, J. R.;
Murphy, J. A. |
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| Author Affiliation: | Department of Plant Pathology; Department of Plant Science, Rutgers University, New Brunswick, NJ |
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| Title: | Suppression of summer patch in turf with acidifying nitrogen fertility programs |
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| Meeting Info.: | 1994 APS Annual Meeting, August 6-10, 1994, Albuquerque, New Mexico |
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| Source: | Phytopathology. Vol. 84, No. 10, October 1994, p. 1085. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Summer patch; Suppression; Nitrogen fertility; Acidification
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| Abstract/Contents: | "The impact of nitrogen (N) source, nitrification inhibition, and the timing and rate of N application on the severity of summer patch was evaluated in the field and controlled environments. Ammonium N provided the greatest level of disease suppression, followed by sulfur coated urea and ureaform. The highest level of disease occurred using nitrate N. Urea, methylene urea, and no nitrogen resulted in an intermediate level of disease. The severity of summer patch decreased as the rate of ammonium N increased. In contrast, as the rates of urea, methylene urea, and nitrate N were increased, disease severity increased. The timing of N application did not significantly affect disease severity. Bulk soil pH and rhizosphere pH were positively correlated with summer patch severity, and little disease was observed below pH 6.0 and 5.5, respectively. M. poae was difficult to detect on turf roots in the field after 3 yr of ammonium N application. Controlled environment studies confirmed that ammonium N suppressed summer patch development. Addition of a nitrification inhibitor enhanced disease suppression by ammonium N in the controlled environment, but not in the field." |
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| Language: | English |
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| References: | 0 |
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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):
Thompson, D. C., B. B. Clarke, J. R. Heckman, and J. A. Murphy. 1994. Suppression of summer patch in turf with acidifying nitrogen fertility programs. Phytopathology. 84(10):p. 1085. |
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| Web URL(s):
http://www.apsnet.org/publications/phytopathology/backissues/Documents/1994Articles/phyto84n10_1061.pdf#page=25
Last checked: 10/16/2015
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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