Full TGIF Record # 43103
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Publication Type:
Author(s):Jiang, Hongfei; Fry, Jack
Author Affiliation:Graduate Research Assistant and Associate Professor, Department of Horticulture, Forestry, and Recreation Resources, Kansas State University, Manhattan, KS 66506-5506
Title:Drought responses of perennial ryegrass treated with plant growth regulators
Section:Turf management
Other records with the "Turf management" Section
Source:HortScience. Vol. 33, No. 2, April 1998, p. 270-273.
# of Pages:4
Publishing Information:Alexandria, VA: American Society for Horticultural Science
Keywords:TIC Keywords: Lolium perenne; Growth regulators; Drought stress; Comparisons; Golf fairways; Trinexapac-ethyl; Ethephon; Mefluidide; Paclobutrazol; Rooting; Height; Quality
Abstract/Contents:"Plant growth regulators (PGRs) are used on golf course fairways, and may have positive or negative effects on turfgrass response to drought. Greenhouse and field studies in 1995 and 1996 evaluated perennial ryegrass (Lolium perenne L.) response to drought stress after PGR application. Turf was maintained under golf course fairway conditions, and received adequate water until PGR application; thereafter, irrigation was withheld. Trinexapac-ethyl was the only PGR evaluated that enhanced turfgrass quality during dry down in the greenhouse, had no deleterious effects on rooting, and suppressed canopy height for up to 2 weeks in the field. Ethephon enhanced quality during drought in the greenhouse, reduced root length density (RLD) in the field from 0- to 10-cm and 10- to 20-cm depths, but had no effect on canopy height. Mefluidide caused unacceptable chlorosis, reduced rooting at 0 to 40 cm, and suppressed canopy height. Paclobutrazol had negligible effects on ryegrass quality, rooting, and canopy height."
See Also:Other items relating to: P G Rs 1997-2006

Other items relating to: Disasters - Drought
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Jiang, H., and J. Fry. 1998. Drought responses of perennial ryegrass treated with plant growth regulators. HortScience. 33(2):p. 270-273.
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