Full TGIF Record # 286602
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DOI:10.1080/01904167.2016.1264424
Web URL(s):http://www.tandfonline.com/doi/full/10.1080/01904167.2016.1264424
    Last checked: 07/14/2017
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http://www.tandfonline.com/doi/pdf/10.1080/01904167.2016.1264424
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Publication Type:
i
Report
Author(s):Sermons, Shannon M.; Wherley, Benjamin G.; Zhang, Chenxi; Bowman, Daniel C.; Rufty, Thomas W.
Author Affiliation:Sermons, Zhang, Bowman, and Rufty: Department of Crop Science, North Carolina State University, Raleigh, NC; Wherley: Department of Soil and Crop Sciences, Texas A&M University, College Station, TX
Title:The role of internal and external nitrogen pools in bermudagrass growth during spring emergence from dormancy
Source:Journal of Plant Nutrition. Vol. 40, No. 10, 2017, p. [1-13].
# of Pages:13
Publishing Information:New York, New York: Marcel Dekker, Inc.
Related Web URL:http://www.tandfonline.com/doi/abs/10.1080/01904167.2016.1264424
    Last checked: 07/14/2017
    Notes: Abstract only
Keywords:TIC Keywords: Cynodon dactylon; Dormancy breaking; Growth analysis; Nitrogen deficiency; Nitrogen residual effects; Nitrogen uptake; Nitrogen use; Nutrient solutions; Winter dormancy
Abstract/Contents:"As bermudagrass (Cynodon dactylon (L.) Pers.) transitions from winter dormancy to active growth in spring, nitrogen is essential for new tissue growth. We examined the relative contributions of internally stored nitrogen and that taken up by preexisting and newly produced roots. Field-collected dormant bermudagrass was transferred to a nutrient solution culture system in a growth chamber. Cultures were provided either a non-nitrogen-containing solution or one amended with nitrate labeled with the 15N isotope of nitrogen, which allowed tracking of endogenous and exogenous N pools in all tissues as growth began. Nitrogen in stolon internodes was the largest N source for early growth. Though mass increased at the same rate in both N treatments over 3 weeks of growth, the unfertilized treatment showed early signs of nitrogen deficiency: low tissue N, slowed leaf elongation, and fewer but longer roots. Preexisting roots were active in absorption almost immediately; new roots were produced quickly and had even higher N uptake rates."
Language:English
References:25
See Also:See also interpretive summmary "I'm not dead; I'm dormant" Golf Course Management, 86(4) April 2018, p. 82, R=296859. R=296859
Note:Pictures, color
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Sermons, S. M., B. G. Wherley, C. Zhang, D. C. Bowman, and T. W. Rufty. 2017. The role of internal and external nitrogen pools in bermudagrass growth during spring emergence from dormancy. J. Plant Nutr. 40(10):p. [1-13].
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DOI: 10.1080/01904167.2016.1264424
Web URL(s):
http://www.tandfonline.com/doi/full/10.1080/01904167.2016.1264424
    Last checked: 07/14/2017
    Access conditions: Item is within a limited-access website
http://www.tandfonline.com/doi/pdf/10.1080/01904167.2016.1264424
    Last checked: 07/14/2017
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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