Full TGIF Record # 270002
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Web URL(s):https://archive.lib.msu.edu/tic/its/articles/1977sup43.pdf
    Last checked: 03/17/2016
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Publication Type:
i
Report
Content Type:Abstract or summary only
Author(s):Kneebone, W. R.; Johnson, G. V.
Author Affiliation:Dept. of Plant Sciences, College of Agriculture, University of Arizona; Kneebone: Associate Editor, Editorial Board for the Proceedings, International Turfgrass Society Program: III International Turfgrass Research Conference
Title:Genetic differentials in root growth and phosphorus responses among clones of creeping bentgrass, (Agrostis palustris Huds.)
Section:Session 5
Other records with the "Session 5" Section
Meeting Info.:Munich, Germany: July 11-13, 1977
Source:International Turfgrass Society Program: III International Turfgrass Research Conference. 1977, p. 43.
# of Pages:1
Publishing Information:Munich, Germany: [International Turfgrass Society]
Keywords:TIC Keywords: Agrostis stolonifera; Clones; Genetic variability; Growth factors; Phosphorus uptake; Root growth; Root length; Temperature response
Abstract/Contents:"Bentgrass selections differ significantly in average root lengths under an array of temperatures and seasons. There are also significant differences among clones in degree of P deficiency symptoms at temperatures from 5-10° C and response to P applications. Some clones remain green and unaffected while others become reddish or purple. Purple clones have low P uptake rates at low temperature as shown by leaf analysis and 32p uptake studies. One green clone remains green at tissue P levels comparable to those of the purble [purple] clones, while others have much higher uptake rates under cool conditions. Major genetic differences in uptake at 5° C root temperatures as measures by 32P are in transport from roots to leaves, rather than absorption. Tissue analyses show little relationship between average root lengths and leaf P content at low temperatures. Genetic differences in P responses relate primarily to uptake rates, rates of transport, and threshold needs."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Kneebone, W. R., and G. V. Johnson. 1977. Genetic differentials in root growth and phosphorus responses among clones of creeping bentgrass, (Agrostis palustris Huds.). Int. Turfgrass Soc. Annexe - Tech. Pap. p. 43.
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https://archive.lib.msu.edu/tic/its/articles/1977sup43.pdf
    Last checked: 03/17/2016
    Requires: PDF Reader
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