Full TGIF Record # 63106
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Sullivan, W. M.; Jiang, Z.
Author Affiliation:University of Rhode Island
Title:Screening Kentucky bluegrass seedlings for high nitrate uptake ability
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.
# of Pages:1
Publishing Information:[Madison, WI]: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America
Keywords:TIC Keywords: Poa pratensis; Seedlings; Nitrates; Uptake; Root length; Growth stages
Abstract/Contents:"Superior nitrate uptake ability will contribute to the reduction of nitrate leaching and lower N-fertilizer requirement. Selection for high nitrate uptake ability at an early developmental stage is particularly important for Kentucky bluegrass (Poa pratensis L.) due to its slow initial growth. This study quantified nitrate uptake by 30-day-old individual seedlings and evaluated variation in nitrate uptake rate among and within 6 cultivars. Nitrate uptake rate was determined for seedlings maintained in polystyrene cups with roots submerged in a 0.5 mM potassium nitrate +0.5 mM calcium sulfate solution, which was replaced every 24 hour for 22 days. Significant between-cultivar and within-cultivar differences were observed and attributable to differences in root length and surface area. The correlation between nitrate uptake rates at the seedling and the mature stage of the same individual will be presented."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Sullivan, W. M., and Z. Jiang. 1999. Screening Kentucky bluegrass seedlings for high nitrate uptake ability. Annu. Meet. Abstr. 91:p. 128.
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