Full TGIF Record # 63102
Item 1 of 1
Publication Type:
Content Type:Abstract or Summary only
Author(s):Xu, Q. Z.; Huang, B.; Fry, J. D
Author Affiliation:Kansas State University
Title:Shoot and root responses of creeping bentgrass to root-zone temperature modification
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Meeting Info.:Salt Lake City, UT: October 31 - November 4, 1999
Source:1999 Annual Meeting Abstracts [ASA/CSSA/SSSA]. Vol. 91, 1999, p. 128.
Publishing Information:[Madison, WI]: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America
# of Pages:1
Keywords:TIC Keywords: Shoots; Roots; Root zone; Temperatures; Agrostis stolonifera; Physiological responses; Soil temperature; Air temperature; Root growth; Respiration; Canopy; Viability
Cultivar Names:Penncross
Abstract/Contents:"Turf quality of creeping bentgrass (Agrostis palustris L.) often declines during summer. The objective of the study was to examine physiological responses of shoots and roots in creeping bentgrass to differential shoot/root-zone temperatures. Shoots and roots of creeping bentgrass (cv.Penncross) were exposed to differential air/soil temperature regimes: 20/20, 20/35, 35/20, and 35/35 C. High root-zone temperatures inhibited root growth and reduced turf quality. Root growth was affected 7 d and 14 d before turf quality at 35/35 and 20/35 C, respectively. Canopy respiration rate was about 5 times higher than canopy photosynthetic rate (Pn) at 35/35 C, but was only half of Pn at 20/20 C. Reducing root-zone temperature (35/20 C) enhanced root growth, canopy Ph, and turf quality. Maintaining lower soil temperature and high root viability was important for creeping bentgrass growth during summer."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Xu, Q. Z., B. Huang, and J. D. Fry. 1999. Shoot and root responses of creeping bentgrass to root-zone temperature modification. Annu. Meet. Abstr. 91:p. 128.
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