Full TGIF Record # 30416
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Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Reid, Scott D.; Koski, Anthony J.; Hughes, Harrison G.
Author Affiliation:Department of Horticulture, Colorado State University
Title:Buffalograss seedling screening in vitro for NaCl tolerance
Meeting Info.:90th Annual Meeting of the American Society for Horticultural Science, Nashville, TN, 22-29 July 1993
Source:HortScience. Vol. 28, No. 5, May 1993, p. 536.
Publishing Information:St. Joseph, MI: American Society for Horticultural Science
# of Pages:1
Keywords:TIC Keywords: Bouteloua dactyloides; In vitro; Seedling emergence; Sodium chloride; Salt tolerance
Abstract/Contents:"Buffalograss (Buchloe dactyloides [Nutt.] Engelm.) is adapted for use as a low maintenance turf in much of the semi-arid West. New cultivars with improved turf characteristics are being developed and released, but little information quanitifying either relative tolerance or variability among germplasms to salt stress is available. An in vitro procedure was used to characterize seedling growth response to additions of 0-300 mol m-3 NaCl in 50 mol m-3 increments in media containing MS basal salts solidified with 0.6% agar. Germinated seeds of cultivars Sharp's Improved, Texoka, Topgun, and Plains transferred to treatments were evaluated after 40 d growth. The threshold for decline in shoot dry matter vs control was 50 mol m-3 NaCl for all cultivars. An average 50% shoot dry matter reduction vs controls across cultivars was found at 150 mol m-3 NaCL, affecting leaf length but not survival; shoot [Na+] ranged from 9.12-9.86 mg g-1 dry matter. Survival was severely affected at 250 mol m-3 NaCl. Cv. x NaCl interaction was significant."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Reid, S. D., A. J. Koski, and H. G. Hughes. 1993. Buffalograss seedling screening in vitro for NaCl tolerance. HortScience. 28(5):p. 536.
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