Full TGIF Record # 317050
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DOI:10.1002/csc2.20306
Web URL(s):https://acsess.onlinelibrary.wiley.com/doi/full/10.1002/csc2.20306
    Last checked: 03/25/2022
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https://acsess.onlinelibrary.wiley.com/doi/pdf/10.1002/csc2.20306
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Publication Type:
i
Refereed
Author(s):Tredway, L. P.; Soika, M. D.; Butler, E. L.; Kerns, J. P.
Author Affiliation:Tredway: Dep. of Entomology and Plant Pathology, North Carolina State Univ., Raleigh, NC and Syngenta Crop Protection, Greensboro, NC; Soika, Butler, and Kerns: Dep. of Entomology and Plant Pathology, North Carolina State Univ., Raleigh, NC
Title:Impact of nitrogen source, fall fertilizers, and preventive fungicides on spring dead spot caused by Ophiosphaerelle korrae and O. herpotricha
Section:International Turfgrass Research Conference
Other records with the "International Turfgrass Research Conference" Section

Integrated turfgrass management: Diseases, insect pests and nematodes
Other records with the "Integrated turfgrass management: Diseases, insect pests and nematodes" Section
Source:Crop Science. Vol. 61, No. 5, September/October 2021, p. 3187-3196.
Publishing Information:Madison, Wisconsin: Crop Science Society of America
# of Pages:10
Related Web URL:https://acsess.onlinelibrary.wiley.com/doi/abs/10.1002/csc2.20306
    Last checked: 03/25/2022
    Notes: Abstract only
Abstract/Contents:"The effects of N source, fall fertilization, and preventive fungicides were evaluated in bermudagrass [Cynodon dactylon (L.) Pers.] artificially inoculated with Ophiosphaerella korrae and O. herpotricha, the most common spring dead spot (SDS) pathogens in the United States. The source of N applied to bermudagrass from May to August 2006-2008 had a significant effect on SDS symptoms appearing in the spring of 2007-2009. Ammonium sulfate [(NH4)2SO4] provided excellent suppression of O. herpotricha but had no effect on O. korrae, which was suppressed instead by calcium nitrate (CaNO3). More research is needed to determine the underlying mechanisms responsible for suppression of SDS with N sources and the potential role of Mn and Ca in development of the disease. Fall applications of K, S, gypsum, or dolomitic lime had no influence on SDS development. Preventive applications of propiconazole, propiconazole + azoxystrobin, tebuconazole, or fenarimol provided effective control of O. herpotricha but failed to provide significant suppression of O. korrae. The differential response of SDS pathogens to fertilization practices and preventive fungicide applications highlight the importance of pathogen identification in development of integrated management programs."
Language:English
References:33
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Tredway, L. P., M. D. Soika, E. L. Butler, and J. P. Kerns. 2021. Impact of nitrogen source, fall fertilizers, and preventive fungicides on spring dead spot caused by Ophiosphaerelle korrae and O. herpotricha. Crop Sci. 61(5):p. 3187-3196.
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DOI: 10.1002/csc2.20306
Web URL(s):
https://acsess.onlinelibrary.wiley.com/doi/full/10.1002/csc2.20306
    Last checked: 03/25/2022
    Access conditions: Item is within a limited-access website
https://acsess.onlinelibrary.wiley.com/doi/pdf/10.1002/csc2.20306
    Last checked: 03/25/2022
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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