Full TGIF Record # 70934
Item 1 of 1
Publication Type:
Content Type:Abstract or Summary only
Author(s):Xu, Q. Z.; Huang, H.
Author Affiliation:Kansas State University
Title:Responses of shoot and root growth of creeping bentgrass to reducing soil temperature
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Meeting Info.:Minneapolis, MN: November 5-9, 2000
Source:2000 Annual Meeting Abstracts [ASA/CSSA/SSSA]. 2000, p. 153.
Publishing Information:[Madison, WI]: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America
# of Pages:1
Keywords:TIC Keywords: Shoot growth; Root growth; Agrostis stolonifera; Soil temperature; Quality; Air temperature
Abstract/Contents:"Turf quality of creeping bentgrass (Agrostis palustris Huds.) on golf greens often declines during summer in transitional and warm climate regions. Reducing soil temperature could improve physiological activites and turf quality of creeping bentgrass. The objectives of this study were to determine [what] the soil temperature could be lowered to at which turf quality could be improved when air temperature is supraoptimal and to examine growth and photosynthetic responses of creeping bentgrass to reducing soil temperature. Five air/soil temperature treatments, 35/35, 35/32, 35/29, 35/24, and 20/20 C, were examined in growth chambers. Soil temperatures were regulated by circulating chilling tap water (18 C) with certain flow rate in water bathes [baths]. Reducing soil temperature from 35 C to 32, 29, and 24 C while maintaining air temperature at 35 C increased turf quality, shoot density, leaf growth rate, clipping yield, root fresh weight, root number, and leaf photosynthetic rate, with lower soil temperatures being more effective. These results suggest that any cultural practices that can reduce soil temperature at least by 3 C could help to suppress bentgrass quality decline during hot summer."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Xu, Q. Z., and H. Huang. 2000. Responses of shoot and root growth of creeping bentgrass to reducing soil temperature. Annu. Meet. Abstr. p. 153.
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MSU catalog number: S 1 .A58
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