Full TGIF Record # 231888
Item 1 of 1
DOI:10.1080/01904168009362795
Web URL(s):http://www.tandfonline.com/doi/pdf/10.1080/01904168009362795
    Last checked: 02/23/2018
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
Publication Type:
i
Report
Author(s):Read, J. C.
Author Affiliation:Texas Agricultural Experiment Station, Dallas, Texas
Title:Influence of temperature on nutrient concentration and tetany potential of hardinggrass and tall fescue
Source:Journal of Plant Nutrition. Vol. 2, No. 5, 1980, p. 525-536.
# of Pages:12
Publishing Information:New York, New York: Marcel Dekker, Inc.
Related Web URL:http://www.tandfonline.com/doi/abs/10.1080/01904168009362795
    Last checked: 10/31/2013
    Notes: Abstract only
Keywords:TIC Keywords: Calcium; Comparisons; Cultivar evaluation; Festuca arundinacea; Hypomagnesaemia; Magnesium; Nutrient concentration; Phalaris aquatica; Potassium; Temperature response; Tetany
Abstract/Contents:"Grass tetany (Hypomagnesemia) potential of TAM Wintergreen Hardinggrass and 16 tall fescue lines and varieties was estimated by determining the K, Ca and Mg concentrations in the herbage and the ratio of K/(Ca + Mg) (milliequivalent basis). Data were obtained at four dates during a two?year period to determine the environmental conditions under which selections should be made to achieve the greatest progress in decreasing the tetany potential of tall fescue and to determine if either of the grasses have high tetany potential in the North Texas area. Hardinggrass had a greater potential to produce grass tetany than tall fescue when grown on the Northern Blackland Prairie of Texas. There were significant differences in K, Ca and Mg concentrations and K/(Ca + Mg) ratio among dates and tall fescue lines. The average temperature for the 30 days before harvest was related to the mineral content and to the K/(Ca + Mg) ratio in all varieties. The K(Ca + Mg) ratio was highest at approximately 18° C but the Mg content fell below the 0.18% required for lactating beef cows when the average temperature for the 30 days before harvest was 22.4° C. Progress could be made in breeding for low grass tetany proneness but selections should be made over a wide range of temperatures considering both the Mg content and ratio of K/(Ca + Mg)."
Language:English
References:Unknown
Geographic Terms:Northern Texas
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Read, J. C. 1980. Influence of temperature on nutrient concentration and tetany potential of hardinggrass and tall fescue. J. Plant Nutr. 2(5):p. 525-536.
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DOI: 10.1080/01904168009362795
Web URL(s):
http://www.tandfonline.com/doi/pdf/10.1080/01904168009362795
    Last checked: 02/23/2018
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: b2516613a
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