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DOI:10.2135/cropsci2010.02.0088
Web URL(s):https://acsess.onlinelibrary.wiley.com/doi/10.2135/cropsci2010.02.0088
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https://acsess.onlinelibrary.wiley.com/doi/epdf/10.2135/cropsci2010.02.0088
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Publication Type:
i
Refereed
Author(s):Brosnan, J. T.; Horvath, B. J.; Elmore, M. T.; Breeden, G. K.; Sorochan, J. C.
Author Affiliation:Dep. of Plant Sciences, The Univ. of Tennessee, Knoxville, TN
Title:Greenhouse investigation of strobilurin fungicide applications on creeping bentgrass root characteristics under two irrigation regimes
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Source:Crop Science. Vol. 50, No. 6, November 2010, p. 2605-2612.
Publishing Information:Madison, WI: Crop Science Society of America
# of Pages:8
Keywords:TIC Keywords: Agrostis stolonifera; Biomass; Fungicide application; Irrigation methods; Root analysis; Root length density; Strobilurin; Visual evaluation
Abstract/Contents:"Secondary effects of strobilurin applications may improve creeping bentgrass tolerance to high temperature stress. This research evaluated the effects of two strobilurin fungicides on the rooting of 'Penncross' and 'Penn A-1' creeping bentgrass (Agrostis stolonifera L.) managed under two irrigation regimes during high temperature conditions in a greenhouse. The light and frequent (LF) regime irrigated to 100% evapotranspiration daily, and the deep and infrequent (DI) regime irrigated at leaf wilt to a 30 cm depth. Plants were maintained in a greenhouse that averaged a maximum daily temperature of 31°C. Fungicide treatments were pyraclostrobin (556 g a.i. ha-1), pyraclostrobin + boscalid (431 + 288 g a.i. ha-1), azoxystrobin (610 g a.i. ha-1), and a nontreated control. Azoxystrobin reduced visual root length and root biomass of Penncross plants compared to nontreated plants. Root length, root length density, and root biomass of azoxystrobin-treated Penn A-1 plants were also lower than nontreated plants under LF irrigation. Pyraclostrobin increased the visual root length of both cultivars under DI irrigation, and resulted in Penn A-1 plants exhibiting increased total root length, root surface area, root length density, root volume, and root biomass compared to nontreated plants. Changes in rooting were not associated with changes in turfgrass quality for either cultivar. Additional research is needed to determine if these responses are present following applications in the field."
Language:English
References:28
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Brosnan, J. T., B. J. Horvath, M. T. Elmore, G. K. Breeden, and J. C. Sorochan. 2010. Greenhouse investigation of strobilurin fungicide applications on creeping bentgrass root characteristics under two irrigation regimes. Crop Sci. 50(6):p. 2605-2612.
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DOI: 10.2135/cropsci2010.02.0088
Web URL(s):
https://acsess.onlinelibrary.wiley.com/doi/10.2135/cropsci2010.02.0088
    Last checked: 03/04/2024
    Access conditions: Item is within a limited-access website
https://acsess.onlinelibrary.wiley.com/doi/epdf/10.2135/cropsci2010.02.0088
    Last checked: 03/04/2024
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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