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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
Fecha : |
21/02/2014 |
Actualizado : |
25/11/2019 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Autor : |
PEREYRA, S.; DILL-MACKY, R.; SIMS, A. |
Afiliación : |
SILVIA ANTONIA PEREYRA CORREA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; R. DILL-MACKY; A. SIMS. |
Título : |
Survival and inoculum production of Gibberella zeae in wheat residue. |
Fecha de publicación : |
2004 |
Fuente / Imprenta : |
Plant Disease, v.88, n. 6, p. 724-730, 2004.OPEN ACCESS. |
DOI : |
10.1094/PDIS.2004.88.7.724 |
Idioma : |
Inglés |
Notas : |
Article history: Accepted for publication 10 March 2004. |
Contenido : |
Abstract:
Survival and inoculum production of Gibberella zeae (Schwein.) Fetch (anamorph Fusarium graminearum (Schwabe)), the causal agent of Fusarium head blight of wheat and barley, was related to the rate of wheat (Triticum aestivum L.) residue decomposition. Infested wheat residue, comprising intact nodes, internodes, and leaf sheaths, was placed in fiberglass mesh bags on the soil surface and at 7.5- to 10-cm and 15- to 20-cm depths in chisel-plowed plots and 15 to 20 cm deep in moldboard-plowed plots in October 1997. Residue was sampled monthly from April through November during 1998 and every 2 months through April to October 1999. Buried residue decomposed faster than residue placed on the soil surface. Less than 2% of the dry-matter residue remained in buried treatments after 24 months in the field, while 25% of the residue remained in the soil-surface treatment. Survival of G. zeae on node tissues was inversely related to the residue decomposition rate. Surface residue provided a substrate for G. zeae for a longer period of time than buried residue. Twenty-four months after the initiation of the trial, the level of colonization of nodes in buried residue was half the level of colonization of residue on the soil surface. Colonization of node tissues by G. zeae decreased over time, but increased for other Fusarium spp. Ascospores of G. zeae were still produced on residue pieces after 23 months, and these spores were capable of inducing disease. Data from this research may assist in developing effective management strategies for residues infested with G. zeae. MenosAbstract:
Survival and inoculum production of Gibberella zeae (Schwein.) Fetch (anamorph Fusarium graminearum (Schwabe)), the causal agent of Fusarium head blight of wheat and barley, was related to the rate of wheat (Triticum aestivum L.) residue decomposition. Infested wheat residue, comprising intact nodes, internodes, and leaf sheaths, was placed in fiberglass mesh bags on the soil surface and at 7.5- to 10-cm and 15- to 20-cm depths in chisel-plowed plots and 15 to 20 cm deep in moldboard-plowed plots in October 1997. Residue was sampled monthly from April through November during 1998 and every 2 months through April to October 1999. Buried residue decomposed faster than residue placed on the soil surface. Less than 2% of the dry-matter residue remained in buried treatments after 24 months in the field, while 25% of the residue remained in the soil-surface treatment. Survival of G. zeae on node tissues was inversely related to the residue decomposition rate. Surface residue provided a substrate for G. zeae for a longer period of time than buried residue. Twenty-four months after the initiation of the trial, the level of colonization of nodes in buried residue was half the level of colonization of residue on the soil surface. Colonization of node tissues by G. zeae decreased over time, but increased for other Fusarium spp. Ascospores of G. zeae were still produced on residue pieces after 23 months, and these spores were capable of inducing disease. Data from this researc... Presentar Todo |
Palabras claves : |
CROP RESIDUES; FUSARIUM HEAD BLIGHT; WHEAT. |
Thesagro : |
ENFERMEDADES DE LAS PLANTAS; FITOPATOLOGÍA; GIBBERELLA ZEAE. |
Asunto categoría : |
H20 Enfermedades de las plantas |
URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/10710/1/pdis.2004.88.7.724.pdf
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Marc : |
LEADER 02336naa a2200241 a 4500 001 1042012 005 2019-11-25 008 2004 bl uuuu u00u1 u #d 024 7 $a10.1094/PDIS.2004.88.7.724$2DOI 100 1 $aPEREYRA, S. 245 $aSurvival and inoculum production of Gibberella zeae in wheat residue.$h[electronic resource] 260 $c2004 500 $aArticle history: Accepted for publication 10 March 2004. 520 $aAbstract: Survival and inoculum production of Gibberella zeae (Schwein.) Fetch (anamorph Fusarium graminearum (Schwabe)), the causal agent of Fusarium head blight of wheat and barley, was related to the rate of wheat (Triticum aestivum L.) residue decomposition. Infested wheat residue, comprising intact nodes, internodes, and leaf sheaths, was placed in fiberglass mesh bags on the soil surface and at 7.5- to 10-cm and 15- to 20-cm depths in chisel-plowed plots and 15 to 20 cm deep in moldboard-plowed plots in October 1997. Residue was sampled monthly from April through November during 1998 and every 2 months through April to October 1999. Buried residue decomposed faster than residue placed on the soil surface. Less than 2% of the dry-matter residue remained in buried treatments after 24 months in the field, while 25% of the residue remained in the soil-surface treatment. Survival of G. zeae on node tissues was inversely related to the residue decomposition rate. Surface residue provided a substrate for G. zeae for a longer period of time than buried residue. Twenty-four months after the initiation of the trial, the level of colonization of nodes in buried residue was half the level of colonization of residue on the soil surface. Colonization of node tissues by G. zeae decreased over time, but increased for other Fusarium spp. Ascospores of G. zeae were still produced on residue pieces after 23 months, and these spores were capable of inducing disease. Data from this research may assist in developing effective management strategies for residues infested with G. zeae. 650 $aENFERMEDADES DE LAS PLANTAS 650 $aFITOPATOLOGÍA 650 $aGIBBERELLA ZEAE 653 $aCROP RESIDUES 653 $aFUSARIUM HEAD BLIGHT 653 $aWHEAT 700 1 $aDILL-MACKY, R. 700 1 $aSIMS, A. 773 $tPlant Disease$gv.88, n. 6, p. 724-730, 2004.OPEN ACCESS.
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INIA La Estanzuela (LE) |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
Fecha actual : |
11/08/2016 |
Actualizado : |
25/10/2019 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Circulación / Nivel : |
Internacional - -- |
Autor : |
BERRUETA, C.; GIMÉNEZ, G.; GALVÁN, G.; BORGES, A. |
Afiliación : |
MARIA CECILIA BERRUETA MOREIRA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; GUSTAVO GIMÉNEZ FRANQUEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; GUILLERMO GALVÁN, UNIVERSIDAD DE LA REPÚBLICA (UDELAR)/ FACULTAD DE AGRONOMÍA; ALEJANDRA BORGES, UNIVERSIDAD DE LA REPÚBLICA (UDELAR)/ FACULTAD DE AGRONOMÍA. |
Título : |
New sources of partial resistance to bacterial spot race T2 in processing tomatoes. [Novas fontes de resistência parcial à mancha bacteriana raça T2 de tomate para processamento.] |
Fecha de publicación : |
2016 |
Fuente / Imprenta : |
Horticultura Brasileira, 2016, v. 34, no. 3, p.326-332. |
DOI : |
10.1590/S0102-05362016003004 |
Idioma : |
Inglés |
Notas : |
Article history: Received on March 16, 2015 / Accepted on February 10, 2016. |
Contenido : |
ABSTRACT.
Bacterial leaf spot of tomato is caused by four Xanthomonas species, among which Xanthomonas vesicatoria race T2 predominates in Uruguay. Difficulties in integrated disease management and the rapid spread of the pathogen led to investigations of genetic resistance. This study aimed to identify resistance sources to bacterial leaf spot race T2 in tomato for processing. Twelve genotypes were evaluated under field conditions in 2010 and 2011. Plants were spray-inoculated with a suspension of bacteria (108 cfu/mL) 15 days after transplantation. Incubation period, disease severity on leaves, and the percentage of fruits with symptoms at harvest were determined. The incubation period did not differ among the genotypes. The genotype 'Hawaii 7981' had the lowest leaf severity on the leaves, followed by 'Loica'. The lines (derived from the cultivar 'Loica') LB97, LB99, LB60, and LB76, and the cultivar 'Ohio 8245' showed intermediate levels of severity on leaves, whereas 'H9997', 'Cuyano', LB85, and 'NUN6011' presented higher severities. The differences in disease severity of the leaves were similar over the years, while incidence of symptoms in fruit was more variable. Next to 'Hawaii 7981', the cultivars 'Loica' and 'Ohio 8245' were identified as new sources of partial resistance to bacterial spot race T2.
RESUMO.
A mancha bacteriana do tomateiro é causada por quatro espécies de Xanthomonas, sendo Xanthomonas vesicatoria raça T2 a predominante no Uruguai. O manejo químico e cultural desta doença não tem sido suficiente para o seu controle; portanto, o melhoramento genético para gerar genótipos resistentes é uma estratégia importante que deve ser incluído para contribuir no manejo integrado desta doença. O objetivo do presente trabalho foi identificar fontes de resistência à mancha bacteriana foliar raça T2 do tomateiro para indústria. Doze genótipos foram avaliados no campo em 2010 e 2011. As plantas foram inoculadas com uma suspensão da bactéria (108 cfu/mL) aos 15 dias depois do transplante. O período de incubação, a severidade da doença e a percentagem dos frutos com sintomas foram determinados. Não houve diferença no período de incubação entre os genótipos. O genótipo 'Hawaii 7981' teve o menor valor de severidade nas folhas, seguido da cultivar 'Loica'. As linhagens (derivadas de 'Loica'), LB97, LB99, LB60 e LB76 e a cultivar 'Ohio 8245' tiveram um nível intermédio de severidade nas folhas, ao passo que 'H9997', 'Cuyano', LB85 e 'NUN6011' apresentaram severidades mais altas. As diferenças entre os genótipos no nível de severidade da doença foram consistentes entre os anos, porém, a incidência nos frutos foi mais variável. Junto à 'Hawaii7981', 'Loica' e 'Ohio 8245' foram identificados como novas fontes de resistência parcial à mancha bacteriana raça T2. MenosABSTRACT.
Bacterial leaf spot of tomato is caused by four Xanthomonas species, among which Xanthomonas vesicatoria race T2 predominates in Uruguay. Difficulties in integrated disease management and the rapid spread of the pathogen led to investigations of genetic resistance. This study aimed to identify resistance sources to bacterial leaf spot race T2 in tomato for processing. Twelve genotypes were evaluated under field conditions in 2010 and 2011. Plants were spray-inoculated with a suspension of bacteria (108 cfu/mL) 15 days after transplantation. Incubation period, disease severity on leaves, and the percentage of fruits with symptoms at harvest were determined. The incubation period did not differ among the genotypes. The genotype 'Hawaii 7981' had the lowest leaf severity on the leaves, followed by 'Loica'. The lines (derived from the cultivar 'Loica') LB97, LB99, LB60, and LB76, and the cultivar 'Ohio 8245' showed intermediate levels of severity on leaves, whereas 'H9997', 'Cuyano', LB85, and 'NUN6011' presented higher severities. The differences in disease severity of the leaves were similar over the years, while incidence of symptoms in fruit was more variable. Next to 'Hawaii 7981', the cultivars 'Loica' and 'Ohio 8245' were identified as new sources of partial resistance to bacterial spot race T2.
RESUMO.
A mancha bacteriana do tomateiro é causada por quatro espécies de Xanthomonas, sendo Xanthomonas vesicatoria raça T2 a predominante no Uruguai. O manejo quími... Presentar Todo |
Palabras claves : |
DURABLE RESISTANCE; QUANTITATIVE RESISTANCE; TOMATO BREEDING; XANTHOMONAS VESICATORIA. |
Thesagro : |
SOLANUM LYCOPERSICUM; TOMATE. |
Asunto categoría : |
-- |
URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/5858/1/Berrueta-C.-2016.-Hort.Bras..pdf
http://www.scielo.br/pdf/hb/v34n3/1806-9991-hb-34-03-00326.pdf
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Marc : |
LEADER 03774naa a2200253 a 4500 001 1055246 005 2019-10-25 008 2016 bl uuuu u00u1 u #d 024 7 $a10.1590/S0102-05362016003004$2DOI 100 1 $aBERRUETA, C. 245 $aNew sources of partial resistance to bacterial spot race T2 in processing tomatoes. [Novas fontes de resistência parcial à mancha bacteriana raça T2 de tomate para processamento.]$h[electronic resource] 260 $c2016 500 $aArticle history: Received on March 16, 2015 / Accepted on February 10, 2016. 520 $aABSTRACT. Bacterial leaf spot of tomato is caused by four Xanthomonas species, among which Xanthomonas vesicatoria race T2 predominates in Uruguay. Difficulties in integrated disease management and the rapid spread of the pathogen led to investigations of genetic resistance. This study aimed to identify resistance sources to bacterial leaf spot race T2 in tomato for processing. Twelve genotypes were evaluated under field conditions in 2010 and 2011. Plants were spray-inoculated with a suspension of bacteria (108 cfu/mL) 15 days after transplantation. Incubation period, disease severity on leaves, and the percentage of fruits with symptoms at harvest were determined. The incubation period did not differ among the genotypes. The genotype 'Hawaii 7981' had the lowest leaf severity on the leaves, followed by 'Loica'. The lines (derived from the cultivar 'Loica') LB97, LB99, LB60, and LB76, and the cultivar 'Ohio 8245' showed intermediate levels of severity on leaves, whereas 'H9997', 'Cuyano', LB85, and 'NUN6011' presented higher severities. The differences in disease severity of the leaves were similar over the years, while incidence of symptoms in fruit was more variable. Next to 'Hawaii 7981', the cultivars 'Loica' and 'Ohio 8245' were identified as new sources of partial resistance to bacterial spot race T2. RESUMO. A mancha bacteriana do tomateiro é causada por quatro espécies de Xanthomonas, sendo Xanthomonas vesicatoria raça T2 a predominante no Uruguai. O manejo químico e cultural desta doença não tem sido suficiente para o seu controle; portanto, o melhoramento genético para gerar genótipos resistentes é uma estratégia importante que deve ser incluído para contribuir no manejo integrado desta doença. O objetivo do presente trabalho foi identificar fontes de resistência à mancha bacteriana foliar raça T2 do tomateiro para indústria. Doze genótipos foram avaliados no campo em 2010 e 2011. As plantas foram inoculadas com uma suspensão da bactéria (108 cfu/mL) aos 15 dias depois do transplante. O período de incubação, a severidade da doença e a percentagem dos frutos com sintomas foram determinados. Não houve diferença no período de incubação entre os genótipos. O genótipo 'Hawaii 7981' teve o menor valor de severidade nas folhas, seguido da cultivar 'Loica'. As linhagens (derivadas de 'Loica'), LB97, LB99, LB60 e LB76 e a cultivar 'Ohio 8245' tiveram um nível intermédio de severidade nas folhas, ao passo que 'H9997', 'Cuyano', LB85 e 'NUN6011' apresentaram severidades mais altas. As diferenças entre os genótipos no nível de severidade da doença foram consistentes entre os anos, porém, a incidência nos frutos foi mais variável. Junto à 'Hawaii7981', 'Loica' e 'Ohio 8245' foram identificados como novas fontes de resistência parcial à mancha bacteriana raça T2. 650 $aSOLANUM LYCOPERSICUM 650 $aTOMATE 653 $aDURABLE RESISTANCE 653 $aQUANTITATIVE RESISTANCE 653 $aTOMATO BREEDING 653 $aXANTHOMONAS VESICATORIA 700 1 $aGIMÉNEZ, G. 700 1 $aGALVÁN, G. 700 1 $aBORGES, A. 773 $tHorticultura Brasileira, 2016$gv. 34, no. 3, p.326-332.
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