Screening of biomass production of cultivated forage grasses in response to mycorrhizal symbiosis under nutritional deficit conditions
Arbuscular mycorrhizal fungi [AMF] colonize the root systems of most natural grassland species and usually increase plant growth by enhancing nutrients provision. This effect on growth responses of cultivated forage grasses is scarcely known, particularly under nutritional deficit conditions. We exa...
| Otros Autores: | , , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
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| Acceso en línea: | http://ri.agro.uba.ar/files/intranet/articulo/2014cavagnaro.pdf LINK AL EDITOR |
| Aporte de: | Registro referencial: Solicitar el recurso aquí |
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| 245 | 1 | 0 | |a Screening of biomass production of cultivated forage grasses in response to mycorrhizal symbiosis under nutritional deficit conditions |
| 520 | |a Arbuscular mycorrhizal fungi [AMF] colonize the root systems of most natural grassland species and usually increase plant growth by enhancing nutrients provision. This effect on growth responses of cultivated forage grasses is scarcely known, particularly under nutritional deficit conditions. We examined total biomass production, aboveground and belowground biomass and tillering of three temperate and three tropical cultivated forage grasses. Seedlings of each species were inoculated with a mixture of mycorrhizal fungi and later grown for 5 months under nutritional deficit conditions. The mycorrhizal symbiosis promoted aboveground and belowground biomass production in five out of six grass species. Grass species differed in their mycorrhizal responsiveness: tropical grasses [Panicum coloratum cv. Klein = Brachiaria brizantha cv. Marandú mayor Paspalum dilatatum cv. Primo] responded better than temperate [Festuca arundinacea cv. Royal mayor Agropyron elongatum cv. Hulk], while the temperate Dactylis glomerata cv. Porto did not respond to AMF inoculation. In four of the species, the changes observed in aboveground biomass were explained by the total number of tillers, while, in P. dilatatum, changes were accounted for by the individual weight of mature tillers. On the whole, the screening of cultivated forage grasses revealed that tropical grasses were highly responsive to mycorrhizae, in contrast to a lower effect on the growth of temperate grasses. | ||
| 653 | 0 | |a ARBUSCULAR MYCORRHIZA | |
| 653 | 0 | |a MYCORRHIZAL RESPONSIVENESS | |
| 653 | 0 | |a PHOSPHORUS | |
| 653 | 0 | |a TEMPERATE GRASSES | |
| 653 | 0 | |a TROPICAL GRASSES | |
| 700 | 1 | |a Cavagnaro, Romina A. |9 37390 | |
| 700 | 1 | |9 11786 |a Oyarzabal, Mariano | |
| 700 | 1 | |9 8019 |a Oesterheld, Martín | |
| 700 | 1 | |9 7964 |a Grimoldi, Agustín Alberto | |
| 773 | |t Grassland Science |g Vol.60, no.3 (2014), p.178-184, grafs., tbls. | ||
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| 900 | |a ^tScreening of biomass production of cultivated forage grasses in response to mycorrhizal symbiosis under nutritional deficit conditions | ||
| 900 | |a ^aCavagnaro^bR. A. | ||
| 900 | |a ^aOyarzabal^bM. I. | ||
| 900 | |a ^aOesterheld^bM. | ||
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| 900 | |a ^aCavagnaro^bRomina A. | ||
| 900 | |a ^aOyarzabal^bMariano I. | ||
| 900 | |a ^aOesterheld^bMartín | ||
| 900 | |a ^aGrimoldi^bAgustín Alberto | ||
| 900 | |a ^aCavagnaro^bRomina A.^tIFEVA [Agricultural Plant Physiology and Ecology Research Institute], Faculty of Agronomy, University of Buenos Aires, CONICET | ||
| 900 | |a [National Scientific and Technical Research Council], Buenos Aires, Argentina and Chair of Systematic Botany, Faculty of Agronomy, University of Buenos Aires, Buenos Aires, Argentina - Email: rcavagna@agro.uba.ar | ||
| 900 | |a ^aOyarzabal^bMariano I.^t^tIFEVA [Agricultural Plant Physiology and Ecology Research Institute], Faculty of Agronomy, University of Buenos Aires, CONICET | ||
| 900 | |a [National Scientific and Technical Research Council], Buenos Aires, Argentina and Department of Quantitative Methods and Information Systems, Faculty of Agronomy, University of Buenos Aires, Buenos Aires, Argentina | ||
| 900 | |a ^aOesterheld^bMartín^tIFEVA [Agricultural Plant Physiology and Ecology Research Institute], Faculty of Agronomy, University of Buenos Aires, CONICET | ||
| 900 | |a [National Scientific and Technical Research Council], Buenos Aires, Argentina and Chair of Ecology, Faculty of Agronomy, University of Buenos Aires, Buenos Aires, Argentina | ||
| 900 | |a ^aGrimoldi^bAgustín Alberto^tIFEVA [Agricultural Plant Physiology and Ecology Research Institute], Faculty of Agronomy, University of Buenos Aires, CONICET | ||
| 900 | |a [National Scientific and Technical Research Council], Buenos Aires, Argentina and Chair of Forage Science, Faculty of Agronomy, University of Buenos Aires, Buenos Aires, Argentina | ||
| 900 | |a ^tGrassland Science | ||
| 900 | |a en | ||
| 900 | |a p.178 | ||
| 900 | |a ^egrafs., tbls. | ||
| 900 | |a Vol.60, no.3 (2014) | ||
| 900 | |a 184 | ||
| 900 | |a ARBUSCULAR MYCORRHIZA | ||
| 900 | |a MYCORRHIZAL RESPONSIVENESS | ||
| 900 | |a PHOSPHORUS | ||
| 900 | |a TEMPERATE GRASSES | ||
| 900 | |a TROPICAL GRASSES | ||
| 900 | |a Arbuscular mycorrhizal fungi [AMF] colonize the root systems of most natural grassland species and usually increase plant growth by enhancing nutrients provision. | ||
| 900 | |a This effect on growth responses of cultivated forage grasses is scarcely known, particularly under nutritional deficit conditions. | ||
| 900 | |a We examined total biomass production, aboveground and belowground biomass and tillering of three temperate and three tropical cultivated forage grasses. Seedlings of each species were inoculated with a mixture of mycorrhizal fungi and later grown for 5 months under nutritional deficit conditions. | ||
| 900 | |a The mycorrhizal symbiosis promoted aboveground and belowground biomass production in five out of six grass species. | ||
| 900 | |a Grass species differed in their mycorrhizal responsiveness: tropical grasses [Panicum coloratum cv. Klein = Brachiaria brizantha cv. Marandú mayor Paspalum dilatatum cv. Primo] responded better than temperate [Festuca arundinacea cv. Royal mayor Agropyron elongatum cv. Hulk], while the temperate Dactylis glomerata cv. Porto did not respond to AMF inoculation. | ||
| 900 | |a In four of the species, the changes observed in aboveground biomass were explained by the total number of tillers, while, in P. dilatatum, changes were accounted for by the individual weight of mature tillers. | ||
| 900 | |a On the whole, the screening of cultivated forage grasses revealed that tropical grasses were highly responsive to mycorrhizae, in contrast to a lower effect on the growth of temperate grasses. | ||
| 900 | |a 2014 | ||
| 900 | |a AAG | ||
| 900 | |a 2014cavagnaro | ||
| 900 | |a http://ri.agro.uba.ar/files/intranet/articulo/2014cavagnaro.pdf | ||
| 900 | |a http:// wiley.com | ||
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| 900 | |a GM | ||
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