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| DOI: | 10.1111/gfs.12252 |
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| Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1111/gfs.12252/full
Last checked: 10/04/2017
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| Publication Type:
| Refereed |
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| Author(s): | Jáuregui, J. M.;
Michelini, D. F.;
Agnusdei, M. G.;
Baudracco, J.;
Sevilla, G. H.;
Chilibroste, P.;
Lattanzi, F. A. |
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| Author Affiliation: | Jáuregui and Baudracco: Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina and Facultad de Ciencias Agrarias, Universidad Nacional del Litoral, Esperanza (SF), Argentina; Michelini: Universidad de la República, Centro Universitario Región Litoral Norte, Salto, Uruguay; Agnusdei: Instituto Nacional de Tecnología Agropecuaria, Balcarce, Argentina; Sevilla: Instituto Nacional de Tecnología Agropecuaria, Concepción del Uruguay, Argentina; Chilibroste: Universidad de la República, Estación Experimental Dr. Mario A. Cassinoni, Paysandú, Uruguay; Lattanzi: Instituto Nacional de Investigación Agropecuaria (INIA), La Estanzuela, Uruguay |
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| Title: | Persistence of tall fescue in a subtropical environment: Tiller survival over summer in response to flowering control and nitrogen supply |
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| Source: | Grass and Forage Science. Vol. 72, No. 3, September 2017, p. 454-466. |
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| Publishing Information: | [Oxford, England, United Kingdom]: Blackwell Publishing Ltd. |
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| # of Pages: | 13 |
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| Related Web URL: | http://onlinelibrary.wiley.com/doi/10.1111/gfs.12252/abstract
Last checked: 10/04/2017
Notes: Abstract only
http://onlinelibrary.wiley.com/store/10.1111/gfs.12252/asset/supinfo/gfs12252-sup-0001-FigS1.pdf?v=1&s=f1976b571451f77c8295a44f8b818e962286aded
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http://onlinelibrary.wiley.com/store/10.1111/gfs.12252/asset/supinfo/gfs12252-sup-0002-FigS2.pdf?v=1&s=f9dc39a3132a37c6615c7a816fb3c00dd4c936cf
Last checked: 10/04/2017
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Notes: Supplementary graphs |
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| Keywords: | TIC Keywords: Festuca arundinacea; Grazing; Growth analysis; Heat stress; Nitrogen fertilization; Tillers (vegetative)
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| Abstract/Contents: | "Enhancing pasture persistence is crucial to achieve more sustainable grass-based animal production systems. Although it is known that persistence of perennial ryegrass is based on a high turnover of tillers during late spring and summer, little is known about other forage species, particularly in subtropical climates. To address this question, this study evaluated survival of grazed tall fescue tillers growing in a subtropical climate. We hypothesized that hard tactical grazing during winter to remove reproductive stems (designated as 'flowering control'), and nitrogen fertilization in spring, would both improve tiller survival over summer, and thus enhance tiller density. This was assessed in two experiments. In both experiments, few tillers appeared during late spring and summer and so tiller density depended on the dynamics of vegetative tillers present in the sward in spring. In Experiment 2, flowering control and nitrogen fertilization both enhanced the survival of that critical tiller cohort, but the effects were not additive. Responses were similar but not statistically significant in Expverall survival rates. Unlike grasses in temperate environments, persistence of tall fescue in this subtropical site appeared to follow a 'vegetative pathway'; i.e., new tillers were produced largely in autumn, from vegetative tillers that survived the summer." |
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| Language: | English |
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| References: | 60 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Jauregui, J. M., D. F. Michelini, M. G. Agnusdei, J. Baudracco, G. H. Sevilla, P. Chilibroste, et al. 2017. Persistence of tall fescue in a subtropical environment: Tiller survival over summer in response to flowering control and nitrogen supply. Grass Forage Sci. 72(3):p. 454-466. |
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| DOI: 10.1111/gfs.12252 |
| Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/gfs.12252/full
Last checked: 10/04/2017
Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/doi/10.1111/gfs.12252/epdf
Last checked: 10/04/2017
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: b4886304 |
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