Full TGIF Record # 287773
Item 1 of 1
DOI:10.2134/itsrj2016.10.0839
Publication Type:
i
Refereed
Author(s):Miller, Gerald L.; Earlywine, Daniel T.; Fresenburg, Brad S.
Author Affiliation:Division of Plant Sciences, University of Missouri, Columbia, MO
Title:Effect of fraze mowing on spring dead spot caused by Ophiosphaerella herpotricha of bermudagrass
Section:Diseases (plant pathology)
Other records with the "Diseases (plant pathology)" Section
Meeting Info.:New Brunswick, New Jersey: July 16-21, 2017
Source:International Turfgrass Society Research Journal. Vol. 13, 2017, p. 1-4.
Publishing Information:s.l.: International Turfgrass Society
# of Pages:4
Keywords:TIC Keywords: Cultural control; Cynodon dactylon; Disease control; Evaluations; Fraise mowing; Ophiosphaerella herpotricha; Spring dead spot
Abstract/Contents:"Spring dead spot (SDS), caused by Ophiosphaerella spp., is the most serious disease that limits bermudagrass cultivation in the transition zone. Current management practices require an integrated approach that may take multiple years to achieve satisfactory control. Recently, an intensive cultivation practice termed "fraze mowing" has gained popularity for sports turf use in the United States. A split-plot field experiment was conducted to assess the impact of fraze mowing alone and in combination with other control practices on SDS. On 30 June 2015, plots were fraze mowed (main plot) at the 4- or 8-mm depth or were not cultivated. Nitrogen was applied weekly at 24.4 kg N ha-1 as either calcium nitrate or ammonium sulfate for 6 wk after fraze mowing. Manganese was applied as 98 kg manganese sulfate ha-1 every other week with fertilizer, or plots were left untreated. Plots were also either treated with penthiopyrad (0.107 g a.i. m-2) twice on 30 June and 14 Oct. 2015 or left untreated. Neither nitrogen source nor manganese application had a significant effect on SDS severity. Plots fraze mowed at 8 mm had lower SDS severity than non-fraze-mowed plots. Fungicide-treated plots had less SDS than non-fungicide-treated plots, but no difference was detected between non-fraze-mowed plots treated with fungicide and non- fungicide-treated plots fraze mowed at 8 mm."
Language:English
References:19
Note:TIC-hosted web link available 2 years after publication date.
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Miller, G. L., D. T. Earlywine, and B. S. Fresenburg. 2017. Effect of fraze mowing on spring dead spot caused by Ophiosphaerella herpotricha of bermudagrass. Int. Turfgrass Soc. Res. J. 13:p. 1-4.
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DOI: 10.2134/itsrj2016.10.0839
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MSU catalog number: b2394179
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