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Web URL(s):https://archive.lib.msu.edu/tic/its/articles/1977sup95.pdf
    Last checked: 03/17/2016
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Publication Type:
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Report
Content Type:Abstract or summary only
Author(s):Dahlsson, S.-O.
Author Affiliation:Weibullsholm Plant Breeding Institute, Landskrona, Sweden
Title:Observations on Fusarium roseum f.sp. cerealis (Snyd. & Hans.) on turfgrasses in Sweden
Section:Session 13
Other records with the "Session 13" Section
Meeting Info.:Munich, Germany: July 11-13, 1977
Source:International Turfgrass Society Program: III International Turfgrass Research Conference. 1977, p. 95.
# of Pages:1
Publishing Information:Munich, Germany: [International Turfgrass Society]
Keywords:TIC Keywords: Agrostis stolonifera; Comparisons; Disease evaluation; Disease identification; Disease profile; Fusarium culmorum; Golf greens; Injuries by diseases; Poa annua; Pythium; Rhizoctonia solani
Abstract/Contents:"On some occasions during 1976 some damages have been observed which seem to originate from attacks of Fusarium roseum f.sp. cerealis (Snyd. & Hans.). After visual judgement, the symptoms seemed to be similar to those which are described in American literature as attacks of F. roseum. Despite that, the question remains if F. roseum is the primary cause of damage, since F. roseum is to be found anywhere in the soil flora. As a consequence, the fungus was isolated from all the damaged turf areas. Only in some special cases it was made sure that F. roseum was the main reason for damage. One of the cases with very clear symptoms was an old golf green. The damage was very serious in the middle of July, after having started a fortnight earlier. The turfgrass stand was built up of 70 per cent Aqrostis stolonifera L. and 30 per cent Poa annua L.. A lot of "frog-eyes" could be seen. Many turfgrass workers say that these "frog-eyes" are characteristic to F. roseum. On the other hand a lot of Rhizoctonia solani were found in the plant tissues. During 1975 and 1976 the Institute for Plant Protection have repeatedly isolated F. roseum from root and leaf tissue of turfgrasses. The possibility that F. roseum might cause damping off under Swedish conditions is obviously not taken into consideration. F. roseum as the primary source of damping off in turfgrasses is never registered in Sweden. The common opinion is that it is mainly Pythium sp. that causes damping off under our conditions. It must be said that fusarium damping off was observed in Denmark 1965 and 1966 on newly sown golf greens. Not until 1976 a new damage was observed, also now on a golfgreen. On the other hand, there are no reports on damage in established turf. The very specific weather conditions during 1974-1976 might have influenced the development of the fungal flora. Low precipitation in combination with high temperatures and intensive sunlight might have increased the possibilities of damage of F. roseum in established turf. Even if we have few observations, it can be interesting to inform other turfgrass workers in central and Northern Europe. Since F. roseum in turf is far better known in North America than in Europe, some turfgrass pathologists from there might have comments on these observations."
Language:English
References:0
Note:This item is an abstract only!
Geographic Terms:Sweden
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Dahlsson, S.-O. 1977. Observations on Fusarium roseum f.sp. cerealis (Snyd. & Hans.) on turfgrasses in Sweden. Int. Turfgrass Soc. Annexe - Tech. Pap. p. 95.
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https://archive.lib.msu.edu/tic/its/articles/1977sup95.pdf
    Last checked: 03/17/2016
    Requires: PDF Reader
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