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Published online 1 September 2007
Published in Crop Sci 47:2129-2137 (2007)
© 2007 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Mowing Strategies and Dew Removal to Minimize Dollar Spot on Creeping Bentgrass

Alex Ellrama,*, Brian Horganb and Brent Hulkec

a College of Agriculture and Technology, Dep. of Plant Science, State Univ. of New York, Cobleskill, NY 12043
b Dep. of Horticultural Science, Room 305 Alderman Hall, Univ. of Minnesota, 1970 Folwell Ave., St. Paul, MN 55108
c Dep. of Agronomy and Plant Genetics, Room 411 Borlaug Hall, Univ. of Minnesota, 1991 Upper Buford Circle, St. Paul, MN 55108


Figure 1
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Figure 1. Actual mean percent diseased area for combined effect of mowing time x mowing frequency for all disease assessment dates. Each mean is averaged across all dew removal methods. Means with different letters are significantly different (LSD 0.05) after means were log transformed to stabilize variance.

 

Figure 2
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Figure 2. Actual mean percent diseased area by mowing time for all disease assessment dates. Each mean is averaged across all dew removal methods. Means with different letters are significantly different (LSD 0.05) after means were log transformed to stabilize variance.

 

Figure 3
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Figure 3. Actual mean percent diseased area by treatment combination for all data collection dates. Each mean is averaged across all dew removal times and dew removal methods. Means with different letters are significantly different (LSD 0.05) after means were log transformed to stabilize variance.

 

Figure 4
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Figure 4. Mean dollar spot lesion diameter by leaf wetness duration (LWD; number of hours of leaf wetness daily) in a controlled environment (mist chamber). All means with dissimilar LWD times were significantly different (LSD 0.05).

 





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