Full TGIF Record # 86288
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Web URL(s):https://www.dl.sciencesocieties.org/publications/cs/articles/43/3/952
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https://dl.sciencesocieties.org/publications/cs/pdfs/43/3/952
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Publication Type:
i
Refereed
Author(s):Zhang, Xunzhong; Ervin, E. H.; Schmidt, R. E.
Author Affiliation:Department of Crop and Soil Environmental Sciences, Virginia Tech, Blacksburg, Virginia
Title:Plant growth regulators can enhance the recovery of Kentucky bluegrass sod from heat injury
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Source:Crop Science. Vol. 43, No. 3, May/June 2003, p. 952-956.
Publishing Information:Madison, WI: Crop Science Society of America
# of Pages:5
Keywords:TIC Keywords: Growth regulators; Poa pratensis; Heat injury; Sod; Plant recovery; Sod producers; Propiconazole; Seaweed products; Humic acid; Photochemical efficiency; Temperatures
Abstract/Contents:"A primary economic concern of sod producers is loss of sod quality during the transportation, storage, and transplant stages of sale. Although a number of cultural methods have been documented for potentially reducing sod heating, many of the biological mechanisms are yet to be investigated. This study investigated the influences of selected plant growth regulators (PGRs) on sod tolerance to stress during storage by examining the relationship between preharvest photochemical efficiency (PE) and transplant rooting of Kentucky bluegrass (Poa pratensis L., KBG) sod. The PGRs, including propiconazole (propiconazole [1-(2-(2,4-dichloropheny)-4-propyl-1,3-dioxolan-2yl)methyl< >-1-H-1,2,4-triazole];PPC), and seaweed (Ascophyllum nodosum Jol.) extract (SWE) plus humic acid (93% a.i.; HA), were applied alone, or in combination, to the KBG 2 wk before harvest in 1999 and 2000. Photochemical efficiency was measured immediately before harvest. The harvested sod was subjected to high temperature stress (37°C) for 72 or 96 h. The heated sod was replanted in the field and transplant visual turf injury and rooting were determined. Foliar application of SWE at 0.5 kg ha-1 plus HA at 1.50 kg ha-1, PPC at 0.44 kg ha-1 alone, or a combination of SWE + HA with 0.22 kg ha-1 PPC, enhanced PE of preharvest sod in both years. Extension of heat duration from 72 to 96 h caused significantly more injury to the sod in 1999. All PGR treatment combinations reduced visual turf injury. On average in 1999 and 2000, SWE + HA, PPC, and SWE + HA + PPC enhanced transplant rooting by 21.8, 34.7, and 44.2%, respectively. Regression analysis indicated that KBG with higher preharvest PE suffered less turf injury and produced greater rooting after transplantation. The data suggest that foliar application of SWE + HA, PPC alone, or in a combination, may improve shelf life and transplant rooting of KBG sod."
Language:English
References:33
See Also:Other items relating to: Sod Shelf Life

Other items relating to: Biostimulants

Other items relating to: P G Rs 1997-2006
Note:Tables
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Zhang, X., E. H. Ervin, and R. E. Schmidt. 2003. Plant growth regulators can enhance the recovery of Kentucky bluegrass sod from heat injury. Crop Sci. 43(3):p. 952-956.
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Web URL(s):
https://www.dl.sciencesocieties.org/publications/cs/articles/43/3/952
    Last checked: 05/05/2017
    Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/cs/pdfs/43/3/952
    Last checked: 12/01/2015
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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