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| Web URL(s): | https://dl.sciencesocieties.org/publications/cs/articles/44/2/567
Last checked: 11/16/2016
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https://dl.sciencesocieties.org/publications/cs/pdfs/44/2/567
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| Publication Type:
| Refereed |
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| Author(s): | Jiang, Zhongchun;
Sullivan, W. Michael |
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| Author Affiliation: | Jiang: Department of Plant Science, College of Agriculture and Technology, State University of New York, Cobleskill, New York; and Sullivan: Department of Plant Science, University of Rhode Island, Kingston, Rhode Island |
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| Title: | Nitrate uptake of seedling and mature Kentucky bluegrass plants |
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| Section: | Turfgrass science
Other records with the "Turfgrass science" Section
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| Source: | Crop Science. Vol. 44, No. 2, March/April 2004, p. 567-574. |
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| Publishing Information: | Madison, WI: Crop Science Society of America |
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| # of Pages: | 8 |
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| Related Web URL: | https://dl.sciencesocieties.org/publications/cs/abstracts/44/2/567
Last checked: 11/16/2016
Notes: Abstract only |
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| Keywords: | TIC Keywords: Nitrogen uptake; Nitrates; Poa pratensis; Seedlings; Age; Turfgrass establishment; Cultivar evaluation
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| Abstract/Contents: | "Understanding the relationship between seedling nitrate uptake rate (NUR) and mature plant NUR will benefit the selection of turfgrass cultivars for high NUR. Seedling NUR as affected by initial mowing is particularly important during turfgrass establishment. The primary objectives of this study were to determine NUR of individual Kentucky bluegrass (Poa pratensis L.) seedlings, to correlate seedling morphological characteristics with NUR, and to ascertain the relationship between seedling NUR and mature plant NUR. Thrity days after seeding, roots of seedlings were placed individually in a polystyrene cup filled with 2 mL of a nutrient solution containg 0.6 mM nitrate, which was replaced at 24-h intervals for 20 d. After the total leaf and total root length and area were determined, each seedling was planted in silica sand and maintained as a miniature turf for five additional months before NUR was detemined in a 130-mL growth vessel. Seedling NUR was 10 to 60 nmol h-1 per seedling, decreased sharply to <10nmol h-1 per seedling following the first clipping to remove 1/3 of the leaf blades by length. One week after the first clipping, NUR gradually increased to levels above 10nmol h-1R per seedling. After seedlings were placed in deionized water for 24h, NUR during the subsequent 24 h was stimulated, but the magnitude of stimulation differed among cultivars. We found significant among-cultivar and within-cultivar differences in seedling NUR, and significant and positive correlations between seedling NUR and seedling size. At the whole plant level, the correlation between seedling NUR and mature plant NUR was positive but generally not significant at P = 0.05. |
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| Language: | English |
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| References: | 24 |
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| Note: | Partial reprint appears in CUTT, 16(1), 2005, p. 3 with variant title "Nitrogen uptake in Kentucky bluegrass"
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Jiang, Z., and W. M. Sullivan. 2004. Nitrate uptake of seedling and mature Kentucky bluegrass plants. Crop Sci. 44(2):p. 567-574. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/cs/articles/44/2/567
Last checked: 11/16/2016
Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/cs/pdfs/44/2/567
Last checked: 11/16/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: SB 183 .C7 |
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