Effects of the Neotyphodium endophyte status on plant performance of Bromus auleticus, a wild native grass from South America
In this work, the hypothesis that endophytes increase plant performance of Bromus auleticus, a native grass from South America was tested. Seed weight, seedling emergence, development, and plant vegetative propagation were compared in plants from uninfected (E-), partially infected (E+/-) or infecte...
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todo:paper_03345114_v41_n2_p61_Iannone2023-10-03T15:25:20Z Effects of the Neotyphodium endophyte status on plant performance of Bromus auleticus, a wild native grass from South America Iannone, L.J. Cabral, D. Bromus auleticus Neotyphodium Plant development Regrowth Symbiosis analytical method comparative study defoliation endophyte fungus grass native species plant population structure seed size seedling emergence testing method vegetative reproduction wild population Argentina Pampas South America Bromus Neotyphodium In this work, the hypothesis that endophytes increase plant performance of Bromus auleticus, a native grass from South America was tested. Seed weight, seedling emergence, development, and plant vegetative propagation were compared in plants from uninfected (E-), partially infected (E+/-) or infected (E+) seed lots. The hypothesis that endophytes confer resistance to defoliation in one-year-old plants was also tested. Seed lots were collected in different grass populations in the Pampean region in Argentina. E+ lots presented both lighter seeds and lighter and shorter ten-day-old seedlings than E+/- and E- lots. E+ and E+/- lots presented higher percentage and rate of emergence, as well as less time of emergence, than E- seed lots. Plants from E+ lots produced more tillers in a year than E+/- and E- plants. Resistance to defoliation was analysed in plants from one E+ and one E- lot. Infected plants were more resistant to defoliation than E- plants. Our results allowed a preliminary characterisation of this endophyte-plant association. Plants from E+ and E+/- lots presented some advantageous characteristics with regards to seed dispersion, vegetative propagation and resistance to defoliation. © 2006 Balaban. Fil:Iannone, L.J. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Cabral, D. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_03345114_v41_n2_p61_Iannone |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Bromus auleticus Neotyphodium Plant development Regrowth Symbiosis analytical method comparative study defoliation endophyte fungus grass native species plant population structure seed size seedling emergence testing method vegetative reproduction wild population Argentina Pampas South America Bromus Neotyphodium |
| spellingShingle |
Bromus auleticus Neotyphodium Plant development Regrowth Symbiosis analytical method comparative study defoliation endophyte fungus grass native species plant population structure seed size seedling emergence testing method vegetative reproduction wild population Argentina Pampas South America Bromus Neotyphodium Iannone, L.J. Cabral, D. Effects of the Neotyphodium endophyte status on plant performance of Bromus auleticus, a wild native grass from South America |
| topic_facet |
Bromus auleticus Neotyphodium Plant development Regrowth Symbiosis analytical method comparative study defoliation endophyte fungus grass native species plant population structure seed size seedling emergence testing method vegetative reproduction wild population Argentina Pampas South America Bromus Neotyphodium |
| description |
In this work, the hypothesis that endophytes increase plant performance of Bromus auleticus, a native grass from South America was tested. Seed weight, seedling emergence, development, and plant vegetative propagation were compared in plants from uninfected (E-), partially infected (E+/-) or infected (E+) seed lots. The hypothesis that endophytes confer resistance to defoliation in one-year-old plants was also tested. Seed lots were collected in different grass populations in the Pampean region in Argentina. E+ lots presented both lighter seeds and lighter and shorter ten-day-old seedlings than E+/- and E- lots. E+ and E+/- lots presented higher percentage and rate of emergence, as well as less time of emergence, than E- seed lots. Plants from E+ lots produced more tillers in a year than E+/- and E- plants. Resistance to defoliation was analysed in plants from one E+ and one E- lot. Infected plants were more resistant to defoliation than E- plants. Our results allowed a preliminary characterisation of this endophyte-plant association. Plants from E+ and E+/- lots presented some advantageous characteristics with regards to seed dispersion, vegetative propagation and resistance to defoliation. © 2006 Balaban. |
| format |
JOUR |
| author |
Iannone, L.J. Cabral, D. |
| author_facet |
Iannone, L.J. Cabral, D. |
| author_sort |
Iannone, L.J. |
| title |
Effects of the Neotyphodium endophyte status on plant performance of Bromus auleticus, a wild native grass from South America |
| title_short |
Effects of the Neotyphodium endophyte status on plant performance of Bromus auleticus, a wild native grass from South America |
| title_full |
Effects of the Neotyphodium endophyte status on plant performance of Bromus auleticus, a wild native grass from South America |
| title_fullStr |
Effects of the Neotyphodium endophyte status on plant performance of Bromus auleticus, a wild native grass from South America |
| title_full_unstemmed |
Effects of the Neotyphodium endophyte status on plant performance of Bromus auleticus, a wild native grass from South America |
| title_sort |
effects of the neotyphodium endophyte status on plant performance of bromus auleticus, a wild native grass from south america |
| url |
http://hdl.handle.net/20.500.12110/paper_03345114_v41_n2_p61_Iannone |
| work_keys_str_mv |
AT iannonelj effectsoftheneotyphodiumendophytestatusonplantperformanceofbromusauleticusawildnativegrassfromsouthamerica AT cabrald effectsoftheneotyphodiumendophytestatusonplantperformanceofbromusauleticusawildnativegrassfromsouthamerica |
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