Full TGIF Record # 145598
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Web URL(s):http://a-c-s.confex.com/crops/2008am/webprogram/Paper41740.html
    Last checked: 02/27/2009
Publication Type:
Content Type:Abstract or Summary only
Author(s):Xu, Yan; Huang, Bingru
Author Affiliation:Department of Plant Biology & Pathology, Rutgers University, New Brunswick, New Jersey
Title:Effects of plant growth regulators and biostimulants on summer bentgrass decline
Section:Graduate student poster competition: II. Diseases, genetics, physiology and technology (posters)
Other records with the "Graduate student poster competition: II. Diseases, genetics, physiology and technology (posters)" Section
Meeting Info.:Houston, Texas: October 5-9, 2008
Source:2008 Joint Annual Meeting: [Abstracts][GSA/SSSA/ASA/CSSA/GCAGS/HGS]. 2008, p. 41740.
# of Pages:1
Publishing Information:[Madison, WI]: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America; Boulder, CO: Geological Society of America; Austin, TX: Gulf Coast Association of Geological Societies with the Gulf Coast Section of SEPM; Houston, TX: Houston Geological Society
Keywords:TIC Keywords: Agrostis stolonifera; Biostimulants; Cytokinins; Golf greens; Plant growth regulators; Quality evaluation; Seaweed products; Bentgrass decline
Cultivar Names:Penncross
Abstract/Contents:"Summer decline is a major concern of superintendents growing creeping bentgrass (Agrostis stolonifera L.) on putting greens across the country. The objectives of this study were to investigate whether the application of selected plant growth regulators (PGRs) and biostimulants to a bentgrass putting green would enhance turf quality during summer months, and to determine whether these products would help alleviate summer bentgrass decline by delaying or suppressing leaf senescence. The study was performed on a 4-year 'Penncross' bentgrass green built to United States Golf Association greens specifications at Hort Farm II, North Brunswick, NJ in 2006-2007. Turf was foliar sprayed with a trademarked product Turf Vigor (47.75 L/hectare), a seaweed extract containing cytokinins (19.10 L/hectare) and trinexapac-ethyl (0.40 L/hectare) from late June to early September in a 2-wk interval. All three treatments improved turf quality during summer compared with both a nutrient control (half-strength Hoaglands nutrient solution) and a water control. Leaf senescence was mitigated by the three treatments, as manifested by higher chlorophyll content, photosynthesis rate, green leaf biomass and leaf area index in the treated plots during summer stress period (July and August). Our results suggest that proper use of certain stimulants or PGRs may help alleviate summer bentgrass decline in the transition area."
See Also:See also related article "Responses of creeping bentgrass to trinexapac-ethyl and biostimulants under summer stress" HortScience, 45(1) January 2010, p. 125-131 R=159811 R=159811
Note:This item is an abstract only
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Xu, Y., and B. Huang. 2008. Effects of plant growth regulators and biostimulants on summer bentgrass decline. Joint Ann. Meet. p. 41740.
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    Last checked: 02/27/2009
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