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 | Acceso al texto completo restringido a Biblioteca INIA Las Brujas. Por información adicional contacte bibliolb@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha : |
21/02/2014 |
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Actualizado : |
23/10/2019 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
SANDERS, D.C.; CURE, J.D.; SPERRY, W.J.; GILSANZ, J.C.; PRINCE, C.A.; BANDELE, O. |
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Afiliación : |
DOUGLAS C. SANDERS, Universidad de North Carolina State (NCSU); J.D. CURE, Universidad de North Carolina State (NCSU); Universidad de Tennesse; JUAN CARLOS GILSANZ MARTINEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
Long-term effects of rows per bed and in-row spacing on yield and spear size of asparagus |
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Fecha de publicación : |
1998 |
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Fuente / Imprenta : |
HortScience, 1998, 33 (4): 652-654 |
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DOI : |
10.21273/HORTSCI.33.4.652 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received for publication 4 June 1997 / Accepted for publication 28 Oct. 1997 / Print Publication Date: 01 Jul 1998 / Online Publication Date: Jul 1998 |
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Contenido : |
ABSTRACT.
Three studies were conducted at Clinton, N.C., to investigate the relationship between number of rows per bed, in-row spacing, and spear yield of asparagus (Asparagus officinalis
L. ) over 11to 13years. In the first study, increasing plant densities from 21,550 to 43,100 plants/ha by doubling the number of rows/bed increased the cumulative yield from 64% to 80% for three hybrid lines ('UC 157', 'WSU 1', and 'WSU 2') but only 6% for 'Rutgers Beacon '.The effects of doubling the plant density were still apparent 13years later. In the second study, yields of 'Princeville' ('Mary Washington' selection) crowns, grown at densities from 14,000 to 86,000 plants/ha, were also increased for 8 years by doubling rows at various in-row spacings. In a third study, in which densities ranged from 21,000 to 387,900 plants/ha, the magnitude of the response to rows/bed was dependent on in-row spacing. Efficient use of bed space and the avoidance of crowding exerted a larger influence on productivity than did average planting density. The yield response to rows/ bed was greater and more persistent through the years for wider in-row spacings. Spear size was only marginally responsive to rows per bed and in-row spacing. |
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Thesagro : |
ASPARAGUS OFFICINALIS; ESPARRAGO. |
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Asunto categoría : |
-- |
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Marc : |
LEADER 02014naa a2200229 a 4500
001 1012858
005 2019-10-23
008 1998 bl uuuu u00u1 u #d
024 7 $a10.21273/HORTSCI.33.4.652$2DOI
100 1 $aSANDERS, D.C.
245 $aLong-term effects of rows per bed and in-row spacing on yield and spear size of asparagus
260 $c1998
500 $aArticle history: Received for publication 4 June 1997 / Accepted for publication 28 Oct. 1997 / Print Publication Date: 01 Jul 1998 / Online Publication Date: Jul 1998
520 $aABSTRACT. Three studies were conducted at Clinton, N.C., to investigate the relationship between number of rows per bed, in-row spacing, and spear yield of asparagus (Asparagus officinalis L. ) over 11to 13years. In the first study, increasing plant densities from 21,550 to 43,100 plants/ha by doubling the number of rows/bed increased the cumulative yield from 64% to 80% for three hybrid lines ('UC 157', 'WSU 1', and 'WSU 2') but only 6% for 'Rutgers Beacon '.The effects of doubling the plant density were still apparent 13years later. In the second study, yields of 'Princeville' ('Mary Washington' selection) crowns, grown at densities from 14,000 to 86,000 plants/ha, were also increased for 8 years by doubling rows at various in-row spacings. In a third study, in which densities ranged from 21,000 to 387,900 plants/ha, the magnitude of the response to rows/bed was dependent on in-row spacing. Efficient use of bed space and the avoidance of crowding exerted a larger influence on productivity than did average planting density. The yield response to rows/ bed was greater and more persistent through the years for wider in-row spacings. Spear size was only marginally responsive to rows per bed and in-row spacing.
650 $aASPARAGUS OFFICINALIS
650 $aESPARRAGO
700 1 $aCURE, J.D.
700 1 $aSPERRY, W.J.
700 1 $aGILSANZ, J.C.
700 1 $aPRINCE, C.A.
700 1 $aBANDELE, O.
773 $tHortScience, 1998, 33 (4): 652-654
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INIA Las Brujas (LB) |
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| Acceso al texto completo restringido a Biblioteca INIA La Estanzuela. Por información adicional contacte bib_le@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
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Fecha actual : |
21/02/2014 |
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Actualizado : |
05/11/2019 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
Internacional - -- |
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Autor : |
FRAGA, M.; FERNÁNDEZ, S.; CAJARVILLE, C.; MARTÍNEZ, M.; ABIN-CARRIQUIRY, J.A.; ZUNINO, P. |
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Afiliación : |
MARTIN FRAGA COTELO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay./Departamento de Microbiología Instituto de Investigaciones Biológicas Clemente Estable Montevideo Uruguay. |
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Título : |
In vitro modulation of rumen microbiota and fermentation by native microorganisms isolated from the rumen of a fed-exclusively-on-pasture bovine. |
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Fecha de publicación : |
2015 |
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Fuente / Imprenta : |
Annals of Microbiology, v. 65 n. 4, p. 2355-2362, 2015. |
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Idioma : |
Inglés |
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Notas : |
Article history: Received: 6 January 2015 /Accepted: 17 March 2015. |
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Contenido : |
Abstract:
In order to increase productive yields, modulation of rumen fermentation has been a concern in economically relevant species. The ban of antibiotics has driven attention into alternative strategies to modulate ruminal fermentation. Among these, the use of probiotics appears as an interesting approach. The objective of this work was to assess the potential of native bacteria isolated from the rumen of a fed-on-template-pasture cow to modulate fermentation in vitro and to influence the microbiota structure. Seven native ruminal bacteria strains were used in an in vitro gas production experiment. Fermentation dynamics were evaluated, and volatile fatty acids (VFA) and methane were quantified by high-performance liquid chromatography (HPLC) and gas chromatography (GC), respectively. Microbiota structure was assessed by pyrosequencing and methanogens were quantified by quantitative PCR (qPCR). Added strains modulated fermentation dynamics and VFA synthesis. Neither the general structure of the fermenters microbiota, numbers of methanogenic microorganisms nor methane production were altered by added bacteria. However, addition of two strains reduced the volume of gas produced from soluble carbohydrates, while one of them reduced the ratio of gas production in this phase; this was supported by a VFA concentration diminution (4 h incubation) in almost every treatment. Gas produced by fermentation of non-soluble carbohydrates and its fermentation ratio were enhanced by several strains. Also, the abundances of Lachnospiraceae, Veillonellaceae, Rikenellaceae and Succinivibrionaceae were affected by strain supplementation. Modulation of fermentation by selected ruminal native bacteria was achieved, probably enhancing the fermentation of non-soluble carbohydrates. This study represents a new approach in the knowledge related to the use of probiotics in ruminants. MenosAbstract:
In order to increase productive yields, modulation of rumen fermentation has been a concern in economically relevant species. The ban of antibiotics has driven attention into alternative strategies to modulate ruminal fermentation. Among these, the use of probiotics appears as an interesting approach. The objective of this work was to assess the potential of native bacteria isolated from the rumen of a fed-on-template-pasture cow to modulate fermentation in vitro and to influence the microbiota structure. Seven native ruminal bacteria strains were used in an in vitro gas production experiment. Fermentation dynamics were evaluated, and volatile fatty acids (VFA) and methane were quantified by high-performance liquid chromatography (HPLC) and gas chromatography (GC), respectively. Microbiota structure was assessed by pyrosequencing and methanogens were quantified by quantitative PCR (qPCR). Added strains modulated fermentation dynamics and VFA synthesis. Neither the general structure of the fermenters microbiota, numbers of methanogenic microorganisms nor methane production were altered by added bacteria. However, addition of two strains reduced the volume of gas produced from soluble carbohydrates, while one of them reduced the ratio of gas production in this phase; this was supported by a VFA concentration diminution (4 h incubation) in almost every treatment. Gas produced by fermentation of non-soluble carbohydrates and its fermentation ratio were enhanced by seve... Presentar Todo |
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Palabras claves : |
FERMENTATION MODULATION; IN VITRO GAS PRODUCTION; MICROBIOTA RUMINAL; NATIVE RUMINAL MICROORGANISMS; PROBIÓTICOS; PROBIOTICS; RUMEN MICROBIOTA. |
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Thesagro : |
PRODUCCIÓN ANIMAL. |
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Asunto categoría : |
-- |
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Marc : |
LEADER 02838naa a2200289 a 4500
001 1049916
005 2019-11-05
008 2015 bl uuuu u00u1 u #d
100 1 $aFRAGA, M.
245 $aIn vitro modulation of rumen microbiota and fermentation by native microorganisms isolated from the rumen of a fed-exclusively-on-pasture bovine.
260 $c2015
500 $aArticle history: Received: 6 January 2015 /Accepted: 17 March 2015.
520 $aAbstract: In order to increase productive yields, modulation of rumen fermentation has been a concern in economically relevant species. The ban of antibiotics has driven attention into alternative strategies to modulate ruminal fermentation. Among these, the use of probiotics appears as an interesting approach. The objective of this work was to assess the potential of native bacteria isolated from the rumen of a fed-on-template-pasture cow to modulate fermentation in vitro and to influence the microbiota structure. Seven native ruminal bacteria strains were used in an in vitro gas production experiment. Fermentation dynamics were evaluated, and volatile fatty acids (VFA) and methane were quantified by high-performance liquid chromatography (HPLC) and gas chromatography (GC), respectively. Microbiota structure was assessed by pyrosequencing and methanogens were quantified by quantitative PCR (qPCR). Added strains modulated fermentation dynamics and VFA synthesis. Neither the general structure of the fermenters microbiota, numbers of methanogenic microorganisms nor methane production were altered by added bacteria. However, addition of two strains reduced the volume of gas produced from soluble carbohydrates, while one of them reduced the ratio of gas production in this phase; this was supported by a VFA concentration diminution (4 h incubation) in almost every treatment. Gas produced by fermentation of non-soluble carbohydrates and its fermentation ratio were enhanced by several strains. Also, the abundances of Lachnospiraceae, Veillonellaceae, Rikenellaceae and Succinivibrionaceae were affected by strain supplementation. Modulation of fermentation by selected ruminal native bacteria was achieved, probably enhancing the fermentation of non-soluble carbohydrates. This study represents a new approach in the knowledge related to the use of probiotics in ruminants.
650 $aPRODUCCIÓN ANIMAL
653 $aFERMENTATION MODULATION
653 $aIN VITRO GAS PRODUCTION
653 $aMICROBIOTA RUMINAL
653 $aNATIVE RUMINAL MICROORGANISMS
653 $aPROBIÓTICOS
653 $aPROBIOTICS
653 $aRUMEN MICROBIOTA
700 1 $aFERNÁNDEZ, S.
700 1 $aCAJARVILLE, C.
700 1 $aMARTÍNEZ, M.
700 1 $aABIN-CARRIQUIRY, J.A.
700 1 $aZUNINO, P.
773 $tAnnals of Microbiology$gv. 65 n. 4, p. 2355-2362, 2015.
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