Full TGIF Record # 136934
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Publication Type:
Author(s):Aamlid, T. S.; Larsbo, M.; Jarvis, N.
Author Affiliation:Aamlid: Norwegian Institute of Agricultural and Environmental Research (Bioforsk), Grimstad, Norway; Larsbo and Jarvis: Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden
Title:Effects of wetting agent on turfgrass quality, hydrophobicity, and fungicide leaching from a USGA green with and without organic amendment to the sandĀ­based rootzone
Section:Volunteer presentations
Other records with the "Volunteer presentations" Section
Meeting Info.:19-20 May 2008: Pisa Italy
Source:1st European Turfgrass Society Conference Proceedings. Vol. 1, May 2008, p. 39-40.
Publishing Information:Pisa, Italy: European Turfgrass Society
# of Pages:2
Keywords:TIC Keywords: Organic amendments; Wetting agents; Quality evaluation; Disease severity; Hydrophobic soils; Fungicides; Leaching; Golf greens; Agrostis stolonifera; Poa annua; Iprodione; Azoxystrobin; Propiconazole; Microdochium nivale; Surfactants; Sand-based root zones
Abstract/Contents:Presents a study conducted to study the effect of organic amendment and wetting agent on turfgrass quality, disease occurence, hydrophobicity and fungicide leaching from USGA [United States Golf Association] putting greens." Details methods and materials used in the study, stating that "the experiment was conducted from May 2006 [until] May 2007 on a three year old experimental green seeded with creeping bentgrass 'Penn A-4' in the field lysimeter facility at Bioforsk Ƙst Landvik...Norway...The experimental plan included two rootzone compositions (straight sand without organic matter vs. the same sand amended with 2.3% (w/w) garden compost 'Green Mix'); two surfectant treatments (no surfectant vs. 'Primer 604', 19 1 ha-1 [per hectare] applied at monthly intervals from May to [September] 2006); and two fungicides, prodione 1.5 kg [kilograms] a.i. [active ingredient] ha-1 (Rovral 750) and azoxystrogin + propiconazole, 600 + 375 g [grams] a.i. ha-1 (Amistar Duo), sprayed on three occasions: June, July and [October] 2006." Reports that "as the main effect, turfgrass quality was significantly better on compost-amended than on straight sand plots, but application of wetting agent improved turfgrass quality on straight sand plots during the warm and dry summer period...The improvement was associated with a reduction in the spatial variability...in soil water content at 4-10 cm [centimeter] depth, showing that soil water repellence was performed on 1 [September] 2006, but its effect lasted well into the next spring as shown by water droplet penetration tests on 24 [April] 2007." States that "a major disadvantage of the wetting agent was that it increased the occurrence of Microdochium patch in autumn and pink snow mould [mold] in the spring, both diseases being caused by Microdochioum nivale."
Note:Pictures, b/w
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Aamlid, T. S., M. Larsbo, and N. Jarvis. 2008. Effects of wetting agent on turfgrass quality, hydrophobicity, and fungicide leaching from a USGA green with and without organic amendment to the sandĀ­based rootzone. Eur. Turfgrass Soc. Conf. Proc. 1:p. 39-40.
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