Full TGIF Record # 277528
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Web URL(s):http://www.wsweedscience.org/wp-content/uploads/WSWS_2016_Proceedings_FINAL.pdf#page=42
    Last checked: 11/17/2016
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Publication Type:
i
Report
Content Type:Abstract or Summary Only
Author(s):Liu, Mingyang; Hulting, Andrew; Mallory-Smith, Carol
Author Affiliation:Oregon State University, Corvallis, OR
Title:Growth response of roughstalk bluegrass and tall fescue to waterlogging
Section:Project 3. Weeds of agronomic crops
Other records with the "Project 3. Weeds of agronomic crops" Section
Meeting Info.:Albuquerque, New Mexico: March 7-10, 2016
Source:Western Society of Weed Science Annual Meeting 2016. Vol. 69, 2016, p. 31.
# of Pages:1
Publishing Information:Las Cruces, New Mexico: Western Society of Weed Science
Keywords:TIC Keywords: Comparisons; Festuca arundinacea; Growth analysis; Morphological evaluation; Physiological processes; Poa trivialis; Stress tolerance; Waterlogging
Abstract/Contents:"Roughstalk bluegrass (Poa trivialis) is a weed species reported more frequently during the past decade by Oregon cool season grass seed growers. This species is often found in the fields with waterlogged soils, indicating tolerance to waterlogging may promote this species. The objective of this study was to identify the morphological or physiological traits of roughstalk bluegrass which might contribute to waterlogging tolerance. Roughstalk bluegrass and tall fescue (Festuca arundinacea), a cool season grass seed, were subjected to a waterlogging treatment in the greenhouse. At the end of the study (28 d), the dry aboveground biomass, turf quality, leaf number, plant height, leaf water soluble carbohydrate content, and chlorophyll content of both species were reduced by the waterlogging treatment compared to the control. But no differences were found between the species for these measures. However, the root length increased by 5% in waterlogging treated tall fescue, but was reduced by 41% in waterlogging treated roughstalk bluegrass. The root dry weight and root water soluble carbohydrate content were reduced by 43 and 31% by waterlogging in tall fescue and 12 and 10% in roughstalk bluegrass, respectively. The shorter but thicker roots may help roughstalk bluegrass obtain oxygen from the top layer of the soil thus avoiding waterlogging stress. The greater root water soluble carbohydrate reserves in roughstalk bluegrass may provide substrate to maintain energy generation during waterlogging."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Liu, M., A. Hulting, and C. Mallory-Smith. 2016. Growth response of roughstalk bluegrass and tall fescue to waterlogging. Proc. West. Soc. Weed Sci. 69:p. 31.
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http://www.wsweedscience.org/wp-content/uploads/WSWS_2016_Proceedings_FINAL.pdf#page=42
    Last checked: 11/17/2016
    Requires: PDF Reader
    Notes: Item is within a single large file
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MSU catalog number: b2224583a
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