Full TGIF Record # 147110
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Web URL(s):http://www.turf.uconn.edu/pdf/research/reports/2006.pdf#page=108
    Last checked: 04/16/2009
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Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Kaminski, J. E.; Dernoeden, P. H.
Title:Seasonal concentrations of airborne Pyricularia grisea conidia
Section:Scientific publications (abstracts & citations)
Other records with the "Scientific publications (abstracts & citations)" Section
Source:2006 Turfgrass Research Report [Connecticut]. 2007, p. 95.
# of Pages:1
Publishing Information:Storrs, CT: Department of Plant Science, University of Connecticut
Keywords:TIC Keywords: Air movement; Conidia; Disease severity; Gray leaf spot; Inoculum; Lolium perenne; Pyricularia grisea
Abstract/Contents:"Gray leaf spot (Pyricularia grisea [Cooke] Sacc.) is a major disease of perennial ryegrass (Lolium perenne L.) turf in the United States. Conidia are an important source of primary and secondary inoculum for gray leaf spot; however, their seasonal airborne distribution patterns are unknown. Estimated concentrations of airborne P. grisea conidia were determined in the field between May and October from 2000 to 2004 in Maryland. Conidia were monitored using a 7-day volumetric spore sampler in 0.6 m3 of air hr-1 through a 14 by 2 mm orifice located 45 cm above the ground. Total conidia collected each day and cumulative seasonal concentrations were determined. Conidia of P. grisea were observed within air samples as early as 4 June. Greatest airborne concentrations of P. grisea conidia generally were detected between mid-August and September. During peak disease activity in adjacent stands of perennial ryegrass, as many as 5500 conidia were collected in a single day. Disease severity in perennial ryegrass was not correlated with the total number of conidia collected in each season. In all years, conidia concentrations declined between late September and mid- October. Relatively large numbers of conidia, however, were collected in July (2002) and October (2002 and 2004), and conidia were detected as late as 31 October."
Language:English
References:0
Note:"Do not duplicate, reprint, or publish information within this report without the expressed written consent of the author(s)"
This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Kaminski, J. E., and P. H. Dernoeden. 2007. Seasonal concentrations of airborne Pyricularia grisea conidia. 2006 Turfgrass Res. Rep. [CT]. p. 95.
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Web URL(s):
http://www.turf.uconn.edu/pdf/research/reports/2006.pdf#page=108
    Last checked: 04/16/2009
    Requires: PDF Reader
    Notes: Item is within a single large file
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MSU catalog number: b5428823~S39a
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