Full TGIF Record # 94431
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Web URL(s):http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.2003.00393.x/epdf
    Last checked: 10/02/2015
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Publication Type:
i
Refereed
Author(s):Hesse, U.; Schöberlein, W.; Wittenmayer, L.; Förster, K.; Warnstorff, K.; Diepenbrock, W.; Merbach, W.
Author Affiliation:Hesse, Schöberlein, Fórster, and Diepenbrock: Institute of Agronomy and Crop Science; Wittenmayer and Merbach: Institute of Soil Science and Playnt Nutrition, Martin-Luther-University, Halle-Wittenberg, Halle, Germany; Warnstorff: Biometrics and Informatics in Agriculture Group, Martin-Luther-University, Halle-Wittenberg, Halle, Germany
Title:Effects of Neotyphodium endophytes on growth, reproduction and drought-stress tolerance of three Lolium perenne L. genotypes
Source:Grass and Forage Science. Vol. 58, No. 4, December 2003, p. 407-415.
# of Pages:9
Publishing Information:Oxford, Blackwell Scientific Publications
Keywords:TIC Keywords: Cultivar evaluation; Drought resistance; Endophytes; Genotypes; Growth factors; Lolium perenne; Neotyphodium
Abstract/Contents:"Three Lolium perenne L. genotypes collected from different natural habitats were tested for the effects of their fungal endophyte Neotyphodium spp. on plant growth and seed yield. Half the clones of the originally infected plants were subjected to fungicide treatment to eradicate the endophytes. In an experiment, the clones were planted separately into pots and were either watered adequately or subjected to drought stress. In the genotype collected from a dry site, the endophyte infection reduced plant growth at an adequate water supply, but increased regrowth under drought. In the genotype from a periodically either flooded or dry site, endophyte infection significantly promoted the development of reproductive tillers and seed production (effects which are associated with adaptation to drought). In contrast, the genotype that originated from a wet site showed higher sensitivity to drought stress when endophyte infection was present. The results suggest that environmental conditions in the original habitat of the plants may influence the symbiotic interaction between plant and fungus, probably through natural selection. However, endophyte-induced increases in root dry weight and root/shoot ratio were recorded for all three genotypes. These features could be beneficial for plant persistence, especially on sites where water is the growth-limiting factor.
Language:English
References:41
Note:Tables
See Also:Other items relating to: Disasters - Drought
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hesse, U., W. Schöberlein, L. Wittenmayer, K. Förster, K. Warnstorff, W. Diepenbrock, et al. 2003. Effects of Neotyphodium endophytes on growth, reproduction and drought-stress tolerance of three Lolium perenne L. genotypes. Grass Forage Sci. 58(4):p. 407-415.
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Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.2003.00393.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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