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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela; INIA Las Brujas. |
Fecha : |
05/11/2014 |
Actualizado : |
06/02/2020 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Autor : |
GARCIA, J.; PIÑEIRO, G.; ARANA, S.; SANTIÑAQUE, F.H. |
Afiliación : |
JAIME ANTONIO GARCIA RADICH, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay; G. PIÑEIRO, IFEVA/Cátedra de Ecología, Facultad de Agronomía, UBA/CONICET, Buenos Aires, Argentina; S. ARANA, Facultad de Agronomía, EEMAC, Paysandú, Uruguay; F.H. SANTIÑAQUE, Facultad de Agronomía, EEMAC, Paysandú, Uruguay. |
Título : |
Moisture deficit and defoliation effects on white clover yield and demography. |
Fecha de publicación : |
2010 |
Fuente / Imprenta : |
Crop Science, 2010, v. 50, no.5, p. 2009-2020. |
ISSN : |
0011-183X |
DOI : |
10.2135/cropsci2009.10.0614 |
Idioma : |
Inglés |
Notas : |
Article history: Published online 16 June 2010. / Published September, 2010. |
Contenido : |
ABSTRACT.
Moisture stress and high temperatures during the summer are major factors limiting white clover (Trifolium repens L.) productivity in Uruguay. Our objective was to determine the influence of irrigation and defoliation on the growth of white clover. Two white clover cultivars were sown with tall fescue [Schedonorus arundinaceus (Schreb.) Dumort = Lolium arundinaceum (Schreb.) Darbysh.] and subjected to three defoliation regimes with and without low volume irrigations during the summer. Dry matter (DM) yield, botanical composition, number of stolons, and volunteer seedlings were recorded for 3 yr. Irrigation was the main factor affecting clover growth. Clover yields under irrigation were 5.0, 7.4, and 6.9 Mg DM ha-1 in the first, second, and third year compared with 3.0, 5.1, and 1.6 Mg DM ha-1 for the same years in the nonirrigated swards. Defoliation frequency did not affect pasture yields in the nonirrigated swards but the more frequent defoliation produced higher yields under irrigation after the second year. Deferring defoliation during summer did not improve clover yield or persistence. Stolons increased during autumn and winter and decreased in spring and summer. White clover declined after the second summer in the nonirrigated swards while irrigation maintained good clover stand and yield. Profuse seedlings emergences were observed but only 1% survived, suggesting that they were not a reliable mechanism for persistence. Successful reseeding occurred only at the end of the experiment after a severe drought followed by a long wet season.
© Crop Science Society of America. MenosABSTRACT.
Moisture stress and high temperatures during the summer are major factors limiting white clover (Trifolium repens L.) productivity in Uruguay. Our objective was to determine the influence of irrigation and defoliation on the growth of white clover. Two white clover cultivars were sown with tall fescue [Schedonorus arundinaceus (Schreb.) Dumort = Lolium arundinaceum (Schreb.) Darbysh.] and subjected to three defoliation regimes with and without low volume irrigations during the summer. Dry matter (DM) yield, botanical composition, number of stolons, and volunteer seedlings were recorded for 3 yr. Irrigation was the main factor affecting clover growth. Clover yields under irrigation were 5.0, 7.4, and 6.9 Mg DM ha-1 in the first, second, and third year compared with 3.0, 5.1, and 1.6 Mg DM ha-1 for the same years in the nonirrigated swards. Defoliation frequency did not affect pasture yields in the nonirrigated swards but the more frequent defoliation produced higher yields under irrigation after the second year. Deferring defoliation during summer did not improve clover yield or persistence. Stolons increased during autumn and winter and decreased in spring and summer. White clover declined after the second summer in the nonirrigated swards while irrigation maintained good clover stand and yield. Profuse seedlings emergences were observed but only 1% survived, suggesting that they were not a reliable mechanism for persistence. Successful reseeding occurred only at ... Presentar Todo |
Palabras claves : |
DEFOLIACIÓN; TRIFOLIUM REPENS. |
Thesagro : |
ESTRÉS HIDRICO; MATERIA SECA; PASTURAS; TREBOL BLANCO; URUGUAY. |
Asunto categoría : |
F01 Cultivo |
Marc : |
LEADER 02442naa a2200277 a 4500 001 1051304 005 2020-02-06 008 2010 bl uuuu u00u1 u #d 022 $a0011-183X 024 7 $a10.2135/cropsci2009.10.0614$2DOI 100 1 $aGARCIA, J. 245 $aMoisture deficit and defoliation effects on white clover yield and demography.$h[electronic resource] 260 $c2010 500 $aArticle history: Published online 16 June 2010. / Published September, 2010. 520 $aABSTRACT. Moisture stress and high temperatures during the summer are major factors limiting white clover (Trifolium repens L.) productivity in Uruguay. Our objective was to determine the influence of irrigation and defoliation on the growth of white clover. Two white clover cultivars were sown with tall fescue [Schedonorus arundinaceus (Schreb.) Dumort = Lolium arundinaceum (Schreb.) Darbysh.] and subjected to three defoliation regimes with and without low volume irrigations during the summer. Dry matter (DM) yield, botanical composition, number of stolons, and volunteer seedlings were recorded for 3 yr. Irrigation was the main factor affecting clover growth. Clover yields under irrigation were 5.0, 7.4, and 6.9 Mg DM ha-1 in the first, second, and third year compared with 3.0, 5.1, and 1.6 Mg DM ha-1 for the same years in the nonirrigated swards. Defoliation frequency did not affect pasture yields in the nonirrigated swards but the more frequent defoliation produced higher yields under irrigation after the second year. Deferring defoliation during summer did not improve clover yield or persistence. Stolons increased during autumn and winter and decreased in spring and summer. White clover declined after the second summer in the nonirrigated swards while irrigation maintained good clover stand and yield. Profuse seedlings emergences were observed but only 1% survived, suggesting that they were not a reliable mechanism for persistence. Successful reseeding occurred only at the end of the experiment after a severe drought followed by a long wet season. © Crop Science Society of America. 650 $aESTRÉS HIDRICO 650 $aMATERIA SECA 650 $aPASTURAS 650 $aTREBOL BLANCO 650 $aURUGUAY 653 $aDEFOLIACIÓN 653 $aTRIFOLIUM REPENS 700 1 $aPIÑEIRO, G. 700 1 $aARANA, S. 700 1 $aSANTIÑAQUE, F.H. 773 $tCrop Science, 2010$gv. 50, no.5, p. 2009-2020.
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INIA Las Brujas (LB) |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
Fecha actual : |
18/03/2019 |
Actualizado : |
18/03/2019 |
Tipo de producción científica : |
Abstracts/Resúmenes |
Autor : |
VALLE, D.; MUJICA, V.; SILVERA, M.; BORGES, A.; ZOPPOLO, R.; MORELLI, E. |
Afiliación : |
DIANA VALLE LOPEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARIA VALENTINA MUJICA TELIZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARIANA SILVERA ORREGO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ALEJANDRA BORGES, Universidad de la República (UdelaR)/ Facultad de Agronomía; ROBERTO JOSE ZOPPOLO GOLDSCHMIDT, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ENRIQUE MORELLI, Universidad de la República (UdelaR)/ Facultad de Ciencias. |
Título : |
Effect of the ground cover management on Cacopsylla bidens (Sulc, 1907) populations in pear orchards. [abstract of poster]. |
Fecha de publicación : |
2018 |
Fuente / Imprenta : |
In: Zoppolo, R. Cabrera, D. (Eds.). Growing in diversity. Proceedings of the International Pear Symposium, 13, Dec. 4-7th 2018, Montevideo, Uruguay. |
Páginas : |
p. 119. |
Idioma : |
Inglés |
Contenido : |
Cacopsylla bidens (Sulc, 1907), is one of the key pests of pear, belonging to the superfamily Psylloidea. Its management has been based on broad-spectrum insecticides, which causes the
appearance of resistance and the disappearance of the population of the natural controllers. The need to reduce the use of insecticides is growing. |
Palabras claves : |
CONSERVATIONAL BIOLOGICAL CONTROL; ENTOMOPHAGOS; INTEGRATED PEST MANAGEMENT; PARASITOIDS; WILLIAM'S PEAR. |
Thesagro : |
PSYLLIDAE. |
Asunto categoría : |
F02 Propagación de plantas |
URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/12527/1/P54-Valle-D.-et-al.-Abst.-Pear-Symp.-13.-2018.pdf
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Marc : |
LEADER 01200nam a2200253 a 4500 001 1059639 005 2019-03-18 008 2018 bl uuuu u0uu1 u #d 100 1 $aVALLE, D. 245 $aEffect of the ground cover management on Cacopsylla bidens (Sulc, 1907) populations in pear orchards. [abstract of poster].$h[electronic resource] 260 $aIn: Zoppolo, R. Cabrera, D. (Eds.). Growing in diversity. Proceedings of the International Pear Symposium, 13, Dec. 4-7th 2018, Montevideo, Uruguay.$c2018 300 $ap. 119. 520 $aCacopsylla bidens (Sulc, 1907), is one of the key pests of pear, belonging to the superfamily Psylloidea. Its management has been based on broad-spectrum insecticides, which causes the appearance of resistance and the disappearance of the population of the natural controllers. The need to reduce the use of insecticides is growing. 650 $aPSYLLIDAE 653 $aCONSERVATIONAL BIOLOGICAL CONTROL 653 $aENTOMOPHAGOS 653 $aINTEGRATED PEST MANAGEMENT 653 $aPARASITOIDS 653 $aWILLIAM'S PEAR 700 1 $aMUJICA, V. 700 1 $aSILVERA, M. 700 1 $aBORGES, A. 700 1 $aZOPPOLO, R. 700 1 $aMORELLI, E.
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