Full TGIF Record # 325023
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Web URL(s):https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/142624
    Last checked: 01/31/2023
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Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Zhang, Xunzhong; Harvey, Rose; Goatley, James M.; Roberson, Travis; Goddard, Ben; Brown, Isabel; Kosiarski, Kelly
Author Affiliation:Zhang: Presenting Author and Virginia Tech; Harvey, Goatley, Roberson, Goddard, Brown, and Kosiarski: Virginia Tech
Title:Foliar application of silicon improves heat and drought tolerance of creeping bentgrass
Section:Golf Turf Management Poster (includes student competition)
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C05 turfgrass science
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Meeting Info.:Baltimore, Maryland: November 6-9, 2022
Source:ASA, CSSA, SSSA International Annual Meeting. 2022, p. 142624.
# of Pages:1
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America]
Abstract/Contents:"Silicon (Si) is naturally absorbed by plants from soil as monosilicic acid, Si(OH)4- Although Si is not considered to be an essential macronutrient, the content of Si in some plants can be in the range of certain macronutrients. These Si deposits are commonly found where their presence acts as a surface-area defense system which benefits plant tolerance to drought. Silicon is also considered as a biostimulant, influencing plant physiological fitness under abiotic stress. The objective of this study was to evaluate silicon on its ability to improve creeping bentgrass quality and physiological fitness under heat and drought conditions. The studies were carried out in a growth chamber with temperature at 35 C/25 C (day/night) and deficit irrigation was applied to induce mild drought stress during the trials (56 days). Field trial was carried out from early June to the end of August, and the grass was exposed to two dry-down cycles during June and July. The treatment included 1). Control, 2). potassium silicate product containing 4.7% silica at 3 fl oz/1000 ft2, and 3). Potassium silicate at 6 fl oz/1000 ft2. The treatments were applied biweekly. Foliar application of Si at both rates improved leaf color, chlorophyll content, photochemical efficiency, and antioxidant superoxide dismutase activity relative to the control in the controlled environments. The Si treatments also improved root growth and viability relative to the control. The data from the field trial also exhibited the benefial effects of turf quality and physiological fitness, especially applied at 6 fl oz/1000 ft2. The results of this study suggest that foliar application of potassium silicate heat and drought tolerance and improve visual quality of creeping bentgrass during the summer."
Language:English
References:0
Note:This item is an abstract only!
"176"
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Zhang, X., R. Harvey, J. M. Goatley, T. Roberson, B. Goddard, I. Brown, et al. 2022. Foliar application of silicon improves heat and drought tolerance of creeping bentgrass. Agron. Abr. p. 142624.
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https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/142624
    Last checked: 01/31/2023
    Requires: JavaScript; HTML5
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