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| Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1996.tb02068.x/epdf
Last checked: 10/02/2015
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| Publication Type:
| Refereed |
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| Author(s): | Elbersen, H. W.;
West, C. P. |
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| Author Affiliation: | Department of Agronomy, University of Arkansas, Fayetteville, AR, USA |
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| Title: | Growth and water relations of field-grown tall fescue influenced by drought and endophyte |
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| Source: | Grass and Forage Science. Vol. 51, No. 4, December 1996, p. 333-342. |
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| Publishing Information: | Oxford, Blackwell Scientific Publications |
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| # of Pages: | 10 |
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| Keywords: | TIC Keywords: Festuca arundinacea; Drought; Endophytes; Vertical shoot growth; Tiller density; Stomatal conductance; Dry weight; Relative water content; Acremonium coenophialum; Genotype environment interaction; Symbiosis; Water stress; Proline
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| Abstract/Contents: | "Field plots were established in autumn 1992 in which endophyte [Neotyphodium coenophialum Glenn, Bacon, Price and Hanlin (formerly Acremonium coenopphialum)] - infected (Eāŗ) and endophyte-free (Eā») isolines of three tall fescue (Festuca arundinacea Schreb.) genotypes were planted. Plants were subjected to three waterwithholding periods in 1993 and one in 1994, or were kept well watered throughout the experiment. There were no consistent endophyte effects for leaf elongation, tiller density or dry weight per tiller. There were genotype X endophyte interactions (P<0Ā·01) for tiller density and shoot dry weight per area and genotype X water X endophyte interactions (P< 0Ā·05) for cumulative leaf elongation in 1993. These interactions indicated the highly specific effect of host genotype-endophyte association on the expression of plant growth. Leaf rolling in the stressed treatments was more severe in Eā» than in Eāŗ plants in 1993, but there were no differences in 1994, and stomatal conductance tended to be lower in Eā» than in Eāŗ plants in 1993. Fractional water content of the lower 3 cm of the youngest fully developed leaf sheath was usually greater, and never less, in Eāŗ than in Eā» plants. The leaf rolling and stomatal conductance results suggest that Eā» plants were more severely stressed in the summer after planting. Thus, the endophyte may induce greater water retention in the leaf sheath and therefore better protect the internal growing zone from lethal desiccation." |
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| Language: | English |
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| References: | 23 |
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| See Also: | Other items relating to: Disasters - Drought |
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| Note: | Graphs
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Elbersen, H. W., and C. P. West. 1996. Growth and water relations of field-grown tall fescue influenced by drought and endophyte. Grass Forage Sci. 51(4):p. 333-342. |
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| Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1996.tb02068.x/epdf
Last checked: 10/02/2015
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: SB 197 .B7 |
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