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https://stri.lib.msu.edu/vol65-1989/pdf/sptri89065091.pdf
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Publication Type:
i
Refereed
Author(s):Gooding, M. J.; Baldwin, N. A.; Bennett, J. R.
Title:Post-emergence damping-off in Poa pratensis and its relationship with seed weight and seedling establishment
Source:Journal of the Sports Turf Research Institute. Vol. 65, June 1989, p. 91-101.
Publishing Information:Bingley, England: Sports Turf Research Institute
Keywords:TIC Keywords: Poa pratensis; Seeds; Diseases; Shoots; Fusarium culmorum; Germination; Damping-off; Establishment; Seedlings; Seed weight
Abstract/Contents:"Seed lots representing thirty cultivars of Poa pratensis, sown at 30 g m-2, were assessed for post-emergence damping-off severity and establishment in a field experiment. Diseased shoots from ten of these cultivars revealed the presence of either Fusarium culmorumA or Cladochytrium spp. in over 95% of cases. Cultivars showing a higher incidence of one patheogen tended to have a lower incidence of the other. On average, post-emergence damping-off was more severe when cultivar seed lots with lighter seeds, and therefore more seeds m-2, were sown. Initially there was a positive relationship between reflectance ratio meter readings, used to assess establishment, land severity of disease but eventually, plots which had high levels of disease tended to be less well established. Time taken to reach 50% germination on damp filter paper was weakly, but significanly, negatively associated with severity of post-emergence damping-off. Mean seed dry weight and germination characteristics on damp filter paper were associated, to different degrees, with initial reflectance ratio assessments."
Language:English
References:12
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Gooding, M. J., N. A. Baldwin, and J. R. Bennett. 1989. Post-emergence damping-off in Poa pratensis and its relationship with seed weight and seedling establishment. J. Sports Turf Res. Inst. 65:p. 91-101.
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Web URL(s):
https://stri.lib.msu.edu/vol65-1989/sptri89065091.html
    Last checked: 02/2003
    Notes: Available to TGIF and STRI users
https://stri.lib.msu.edu/vol65-1989/pdf/sptri89065091.pdf
    Last checked: 02/2003
    Requires: PDF Reader
    Notes: Available to TGIF and STRI users
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