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| DOI: | 10.1016/j.envexpbot.2011.01.002 |
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| Web URL(s): | http://www.sciencedirect.com/science/article/pii/S0098847211000086
Last checked: 04/16/2012 |
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| Publication Type:
| Refereed |
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| Author(s): | Kane, Kristin H. |
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| Author Affiliation: | Department of Biology, College of Staten Island, City University of New York, Staten Island, NY |
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| Title: | Effects of endophyte infection on drought stress tolerance of Lolium perenne accessions from the Mediterranean region |
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| Section: | Research papers
Other records with the "Research papers" Section
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| Source: | Environmental and Experimental Botany. Vol. 71, No. 3, July 2011, p. 337-344. |
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| Publishing Information: | Elsevier |
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| # of Pages: | 8 |
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| Keywords: | TIC Keywords: Drought resistance; Dry weight; Endophyte-infected plants; Fungicide application; Growth analysis; Lolium perenne; Mediterranean climate; Neotyphodium lolii; Species trials; Tillering rate
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| Abstract/Contents: | "Perennial ryegrass (Lolium perenne) is a cool-season grass species that is often infected by the leaf-inhabiting endophyte Neotyphodium lolii. This particular endophyte is asexual and has the potential to impact host survival, growth and reproduction. The objective was to assess the potential costs or benefits of endophyte infection on drought stress tolerance of native perennial ryegrass accessions originally collected from Italy, Morocco, Tunisia, and Turkey. Sixty infected (E+) individuals from each accession were planted in a greenhouse. Half of these individuals were treated with a systemic fungicide to eliminate the endophyte (E-). For two drought periods water was withheld for 10-14 days and then allowed a one week recovery period following each. In some accessions under drought, E+ plants had more tillers, greater tiller lengths, total dry mass and green shoot mass than E- plants, suggesting a positive effect of endophyte infection on host growth. Total tiller length and the number of tillers showed significant population x treatment x infection interactions for 4 of 6 populations. This work is one of the few that documents the effects of endophyte infection for a common forage grass species from wild populations native to its distributional range. The results demonstrate that endophyte infection can help ameliorate abiotic stress such as drought and there may be a selective advantage for grasses from certain Mediterranean regions." |
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| Language: | English |
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| References: | 57 |
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| See Also: | Other items relating to: Breeding for Drought |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Kane, K. H. 2011. Effects of endophyte infection on drought stress tolerance of Lolium perenne accessions from the Mediterranean region. Environ. Exp. Bot. 71(3):p. 337-344. |
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| DOI: 10.1016/j.envexpbot.2011.01.002 |
| Web URL(s):
http://www.sciencedirect.com/science/article/pii/S0098847211000086
Last checked: 04/16/2012 |
| 
MSU catalog number: b4885055 |
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