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Abstract:

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.

Registro:

Documento: Artículo
Título:Effects of the Neotyphodium endophyte status on plant performance of Bromus auleticus, a wild native grass from South America
Autor:Iannone, L.J.; Cabral, D.
Filiación:Laboratorio de Micología Y PRHIDEB-CONICET, Departamento de Biodiversidad Y Biología Experimental, Pab. II, Av. Intendente Guiraldes s/N, C1428EHA, Buenos Aires, Argentina
Palabras clave: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
Año:2006
Volumen:41
Número:2
Página de inicio:61
Página de fin:69
Título revista:Symbiosis
Título revista abreviado:Symbiosis
ISSN:03345114
CODEN:SYMBE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03345114_v41_n2_p61_Iannone

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Citas:

---------- APA ----------
Iannone, L.J. & Cabral, D. (2006) . Effects of the Neotyphodium endophyte status on plant performance of Bromus auleticus, a wild native grass from South America. Symbiosis, 41(2), 61-69.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03345114_v41_n2_p61_Iannone [ ]
---------- CHICAGO ----------
Iannone, L.J., Cabral, D. "Effects of the Neotyphodium endophyte status on plant performance of Bromus auleticus, a wild native grass from South America" . Symbiosis 41, no. 2 (2006) : 61-69.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03345114_v41_n2_p61_Iannone [ ]
---------- MLA ----------
Iannone, L.J., Cabral, D. "Effects of the Neotyphodium endophyte status on plant performance of Bromus auleticus, a wild native grass from South America" . Symbiosis, vol. 41, no. 2, 2006, pp. 61-69.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03345114_v41_n2_p61_Iannone [ ]
---------- VANCOUVER ----------
Iannone, L.J., Cabral, D. Effects of the Neotyphodium endophyte status on plant performance of Bromus auleticus, a wild native grass from South America. Symbiosis. 2006;41(2):61-69.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03345114_v41_n2_p61_Iannone [ ]