Comparative study of growth parameters on diaspores and seedlings between populations of Bromus setifolius from Patagonia, differing in Neotyphodium endophyte infection
Bromus setifolius Presl., a native perennial grass, is widely spread in the harsh environment of Patagonia, Argentina. This grass can be associated with Neotyphodium Glenn, Bacon et Hanlin endophytes which are related to aerial tissues of these plants and never show external signs of infection. Endo...
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2003
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| LEADER | 08734caa a22009257a 4500 | ||
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| 001 | PAPER-12708 | ||
| 003 | AR-BaUEN | ||
| 005 | 20230518204254.0 | ||
| 008 | 190411s2003 xx ||||fo|||| 00| 0 eng|d | ||
| 024 | 7 | |2 scopus |a 2-s2.0-0346367114 | |
| 040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
| 100 | 1 | |a Novas, M.V. | |
| 245 | 1 | 0 | |a Comparative study of growth parameters on diaspores and seedlings between populations of Bromus setifolius from Patagonia, differing in Neotyphodium endophyte infection |
| 260 | |c 2003 | ||
| 506 | |2 openaire |e Política editorial | ||
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| 504 | |a West, C.P., Physiology and drought tolerance of endophytes-infected grasses (1994) Biotechnology of Endophytic Fungi of Grasses, pp. 87-99. , Bacon, C. W. & White J. F. (eds.) CRC Press. - Boca Raton, FL | ||
| 520 | 3 | |a Bromus setifolius Presl., a native perennial grass, is widely spread in the harsh environment of Patagonia, Argentina. This grass can be associated with Neotyphodium Glenn, Bacon et Hanlin endophytes which are related to aerial tissues of these plants and never show external signs of infection. Endophyte presence of certain grasses improves abiotic and biotic stress resistance, productivity or reproduction in their hosts. To compare and contrast natural populations of B. setifolius differing in endophyte infection diaspore weight of seven populations was registered. In addition, emergence and growth parameters of seedlings, dry weight, leaf length and mortality rate were measured. For this purpose, two independents assays were conducted under controlled environmental conditions, using an infected (E+) and an uninfected (E-) population in each one. Most of the analysed parameters differed between E+ and E- populations, being significantly greater in E+ populations. Populations with percentage of endophyte infection between 0% and 100% presented intermediate mean diaspore weight. These results could suggest an adaptive advantage of infected plants as a consequence of endophyte presence. |l eng | |
| 536 | |a Detalles de la financiación: 146 | ||
| 536 | |a Detalles de la financiación: This research was supported by PRHIDEB-CONICET (publication no: 146). We are grateful to L. Orellana for statistical advice and to A. M. Ribichich for her comments. We are also thankful to C. L. Scharld for his critical suggestions of the manuscript. | ||
| 593 | |a Lab. de Micología., PRHIDEB-CONICET, Dpto. Biodiversidad y Biol. Exp, Fac. de Cs. Exactas y Naturales, Universidad de Buenos Aires, Cdad. Universitaria, Pab. II, 4° piso, Buenos Aires, Argentina | ||
| 690 | 1 | 0 | |a BROMUS SETIFOLIUS |
| 690 | 1 | 0 | |a DIASPORES |
| 690 | 1 | 0 | |a DRY WEIGHT |
| 690 | 1 | 0 | |a EMERGENCE |
| 690 | 1 | 0 | |a LEAF LENGTH |
| 690 | 1 | 0 | |a NEOTYPHODIUM |
| 690 | 1 | 0 | |a SEEDLINGS |
| 690 | 1 | 0 | |a EMERGENCE |
| 690 | 1 | 0 | |a ENDOPHYTE |
| 690 | 1 | 0 | |a GRASS |
| 690 | 1 | 0 | |a GROWTH |
| 690 | 1 | 0 | |a HOST-SYMBIONT INTERACTION |
| 690 | 1 | 0 | |a MORTALITY |
| 690 | 1 | 0 | |a PROPAGULE |
| 690 | 1 | 0 | |a SEEDLING ESTABLISHMENT |
| 690 | 1 | 0 | |a PATAGONIA |
| 690 | 1 | 0 | |a BROMUS |
| 690 | 1 | 0 | |a BROMUS SETIFOLIUS |
| 690 | 1 | 0 | |a NEOTYPHODIUM |
| 690 | 1 | 0 | |a NEOTYPHODIUM |
| 690 | 1 | 0 | |a POACEAE |
| 651 | 4 | |a ARGENTINA | |
| 651 | 4 | |a SOUTH AMERICA | |
| 700 | 1 | |a Gentile, A. | |
| 700 | 1 | |a Cabral, D. | |
| 773 | 0 | |d 2003 |g v. 198 |h pp. 421-426 |k n. 6 |p Flora |x 03672530 |t Flora | |
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