Full TGIF Record # 235579
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Publication Type:
Author(s):Lawton, M. B.; Burpee, L. L.; Goulty, L. G.
Author Affiliation:Department of Environmental Biology, Ontario Agriculture College, University of Guelph, Guelph, Ontario, Canada
Title:Factors influencing the efficacy of a biofungicide for control of grey snow mould on turfgrass
Meeting Info.:Brighton, England: November 17-20, 1986
Source:British Crop Protection Conference: Pests and Diseases - 1986. Vol. 1, 1986, p. 393-398.
# of Pages:6
Publishing Information:Surrey, England: British Crop Protection Council
Abstract/Contents:"Field studies were conducted on creeping bentgrass in 1985 to determine the effects of cellulose, inoculum concentration, and time on the potential of isolates T011 and T016 of Typhula phacorrhiza to suppress grey snow mould (T. ishikariensis). Suppression of grey snow mould induced by grain inoculum of isolate T011 at 50 g/m2 and 200 g/m2 was not significantly different from the suppression induced by quintozene (30 kg a.i./ha). After snow-melt, redevelopment of the turfgrass canopy was more rapid in plots treated with 200 g/m2 of inoculum than in plots treated with 50g/m2. No residual disease suppression was observed in plots treated with 200 g/m2 of isolate T011 one year earlier. Equal concentrations of isolate T011 and T016 did not differ in their disease suppression potential. An increase in the concentration of isolate T016 significantly reduced the time required for redevelopment of the turf canopy but it had no effect on disease suppression. Cellulose amendments did not enhance disease suppression potential of isolate T011. No sclerotia of T. ishikariensis were observed in plots treated with quintozene or grain inoculum of isolate T011 or T016. The number of sclerotia of T. phacorrhiza recovered increased significantly with increasing concentrations of grain inoculum of T016."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Lawton, M. B., L. L. Burpee, and L. G. Goulty. 1986. Factors influencing the efficacy of a biofungicide for control of grey snow mould on turfgrass. Brighton Crop Prot. Conf. Pests Dis. 1:p. 393-398.
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