Full TGIF Record # 197256
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Web URL(s):http://turf.rutgers.edu/research/abstracts/symposium2012.pdf#page=39
    Last checked: 02/07/2012
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Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Hempfling, James W.; Murphy, James A.; Clarke, Bruce B.
Author Affiliation:Department of Plant Biology and Pathology, Rutgers University
Title:Effect of scarification depth on anthracnose severity of annual bluegrass putting green turf
Section:Poster presentations
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Meeting Info.:New Brunswick, New Jersey: January 6, 2012
Source:Proceedings of the Twenty-First Annual Rutgers Turfgrass Symposium. 2012, p. 38.
Publishing Information:New Brunswick, NJ: Center for Turfgrass Science, Rutgers, The State University of New Jersey
# of Pages:1
Keywords:TIC Keywords: Anthracnose; Colletotrichum graminicola; Disease development; Disease severity; Evaluations; Golf greens; Poa annua; Vertical mowing
Abstract/Contents:"Anthracnose is a destructive disease of annual bluegrass [ABG; Poa annua L. f. reptans (Hausskn) T. Koyama] putting green turf caused by the fungus Colletotrichum cereale Manns. Although not required for host penetration, wounding has been reputed to enhance infection of host plant tissue by C. cereale. There is limited research concerning the effect of wounding on anthracnose severity of ABG putting green turf. In particular, the impact of mechanical injury from cultural practice of scarification (vertical cutting) on disease severity remains unclear. A field study was initiated on 23 July 2010 in North Burnswick, NJ to evaluate the effect of scarification depth (0, 1.3- and 7.6-mm) on anthracnose severity. The trial used a completely random design with ten replications and plot size of 0.5- by 1.5-m. The study was conducted in 2010 and repeated twice in different locations in 2011. Scarification treatments were applied once in each study (23 July 2010, 6 July 2011 and 2 Aug 2011.) Disease development was monitored at 10 positions along each of three 25-cm transects within each plot (30 observations per plot). Transects overlaid the scarification lines of treated plots and were randomly positioned over turf in non-scarified plots. All transects were marked so that ratings over time were performed at the same locations within each plot. Anthracnose severity was evaluated immediately after scarification and every 1- to 5-d thereafter. Disease severity was 5% at the initiation of the first and second runs of the study, and 27% for the third run. Scarified plots had slightly greater disease (3%) than the control on only one of 32 observation dates in 2010 and 2011. These findings do not support the hypothesis that wounding from scarification increases anthracnose severity."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hempfling, J. W., J. A. Murphy, and B. B. Clarke. 2012. Effect of scarification depth on anthracnose severity of annual bluegrass putting green turf. Proc. Rutgers Turfgrass Symp. p. 38.
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Web URL(s):
http://turf.rutgers.edu/research/abstracts/symposium2012.pdf#page=39
    Last checked: 02/07/2012
    Requires: PDF Reader
    Notes: Item is within a single large file
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MSU catalog number: b3696858
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