First report of avocado tree wilt by Pythium sp. amazonianum in Mexico
Abstract In August and September 2014, different avocado orchards (Persea americana Mill. Var. Hass) were sampled in four municipalities (Tancítaro, Uruapan, San Juan Nuevo Parangaricutiro and Peribán) of the “Franja aguacatera” in Michoacan State, Mexico. Samples were collected from avocado trees s...
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| Veröffentlicht in: | Ciencia e investigación agraria 2018, Vol.45 (3), p.301-305 |
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| creator | Ochoa, Yisa María Hernandez, Anselmo Delgado, Juan Carlos Beltran, Mariana Tapia, Luis Mario Hernandez, Omegar Cerna, Ernesto |
| description | Abstract In August and September 2014, different avocado orchards (Persea americana Mill. Var. Hass) were sampled in four municipalities (Tancítaro, Uruapan, San Juan Nuevo Parangaricutiro and Peribán) of the “Franja aguacatera” in Michoacan State, Mexico. Samples were collected from avocado trees showing symptoms of the “Tristeza del aguacate” disease. Strains of Pythium sp. were obtained consistently from symptomatic tissue isolated in the selective medium V8®-Agar-PARPH. Morphological identification was made through taxonomic keys, and molecular identification was obtained by sequencing Internal Transcribed Spacer (ITS) gene. Koch's postulates were corroborated by pathogenicity tests carried out on P. americana seedlings with six true leaves, identifying the strain of P. sp. amazonianum as the causal agent of the “Tristeza del aguacate” disease. This is the first report that associates the “Tristeza del aguacate” with P. sp. amazonianum in Michoacan, Mexico. |
| doi_str_mv | 10.7764/rcia.v45i3.1905 |
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Var. Hass) were sampled in four municipalities (Tancítaro, Uruapan, San Juan Nuevo Parangaricutiro and Peribán) of the “Franja aguacatera” in Michoacan State, Mexico. Samples were collected from avocado trees showing symptoms of the “Tristeza del aguacate” disease. Strains of Pythium sp. were obtained consistently from symptomatic tissue isolated in the selective medium V8®-Agar-PARPH. Morphological identification was made through taxonomic keys, and molecular identification was obtained by sequencing Internal Transcribed Spacer (ITS) gene. Koch's postulates were corroborated by pathogenicity tests carried out on P. americana seedlings with six true leaves, identifying the strain of P. sp. amazonianum as the causal agent of the “Tristeza del aguacate” disease. This is the first report that associates the “Tristeza del aguacate” with P. sp. amazonianum in Michoacan, Mexico.</description><identifier>ISSN: 0718-1620</identifier><identifier>EISSN: 0718-1620</identifier><identifier>DOI: 10.7764/rcia.v45i3.1905</identifier><language>eng</language><publisher>Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal</publisher><subject>AGRICULTURE, MULTIDISCIPLINARY ; Aguacate ; Avocado ; Michoacan ; Michoacán ; oomiceto ; oomycete ; pathogenicity ; patogenicidad ; Pythium</subject><ispartof>Ciencia e investigación agraria, 2018, Vol.45 (3), p.301-305</ispartof><rights>This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.</rights><rights>LICENCIA DE USO: Los documentos a texto completo incluidos en Dialnet son de acceso libre y propiedad de sus autores y/o editores. Por tanto, cualquier acto de reproducción, distribución, comunicación pública y/o transformación total o parcial requiere el consentimiento expreso y escrito de aquéllos. Cualquier enlace al texto completo de estos documentos deberá hacerse a través de la URL oficial de éstos en Dialnet. Más información: https://dialnet.unirioja.es/info/derechosOAI | INTELLECTUAL PROPERTY RIGHTS STATEMENT: Full text documents hosted by Dialnet are protected by copyright and/or related rights. This digital object is accessible without charge, but its use is subject to the licensing conditions set by its authors or editors. Unless expressly stated otherwise in the licensing conditions, you are free to linking, browsing, printing and making a copy for your own personal purposes. All other acts of reproduction and communication to the public are subject to the licensing conditions expressed by editors and authors and require consent from them. Any link to this document should be made using its official URL in Dialnet. More info: https://dialnet.unirioja.es/info/derechosOAI</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c374t-c2a28d65cbc1196031c82740da0b7f49c2bf293e15a24872597b5573171a00493</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,870,881,4010,27900,27901,27902</link.rule.ids></links><search><creatorcontrib>Ochoa, Yisa María</creatorcontrib><creatorcontrib>Hernandez, Anselmo</creatorcontrib><creatorcontrib>Delgado, Juan Carlos</creatorcontrib><creatorcontrib>Beltran, Mariana</creatorcontrib><creatorcontrib>Tapia, Luis Mario</creatorcontrib><creatorcontrib>Hernandez, Omegar</creatorcontrib><creatorcontrib>Cerna, Ernesto</creatorcontrib><creatorcontrib>CULTA S.A</creatorcontrib><creatorcontrib>Universidad Autónoma Agraria Antonio Narro</creatorcontrib><title>First report of avocado tree wilt by Pythium sp. amazonianum in Mexico</title><title>Ciencia e investigación agraria</title><addtitle>Cienc. Inv. Agr</addtitle><description>Abstract In August and September 2014, different avocado orchards (Persea americana Mill. Var. Hass) were sampled in four municipalities (Tancítaro, Uruapan, San Juan Nuevo Parangaricutiro and Peribán) of the “Franja aguacatera” in Michoacan State, Mexico. Samples were collected from avocado trees showing symptoms of the “Tristeza del aguacate” disease. Strains of Pythium sp. were obtained consistently from symptomatic tissue isolated in the selective medium V8®-Agar-PARPH. Morphological identification was made through taxonomic keys, and molecular identification was obtained by sequencing Internal Transcribed Spacer (ITS) gene. Koch's postulates were corroborated by pathogenicity tests carried out on P. americana seedlings with six true leaves, identifying the strain of P. sp. amazonianum as the causal agent of the “Tristeza del aguacate” disease. This is the first report that associates the “Tristeza del aguacate” with P. sp. amazonianum in Michoacan, Mexico.</description><subject>AGRICULTURE, MULTIDISCIPLINARY</subject><subject>Aguacate</subject><subject>Avocado</subject><subject>Michoacan</subject><subject>Michoacán</subject><subject>oomiceto</subject><subject>oomycete</subject><subject>pathogenicity</subject><subject>patogenicidad</subject><subject>Pythium</subject><issn>0718-1620</issn><issn>0718-1620</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>FKZ</sourceid><recordid>eNpNkN9LwzAQgIMoOKfPvuYfWL1LmqYFX8ZwKkwUnc8hTVPM6JqRdNP519s6FeHgfsB3d3yEXCIkUmbpVTBOJ7tUOJ5gAeKIjEBiPsGMwfG_-pScxbgCEDJnYkTmcxdiR4Pd-NBRX1O980ZXnnbBWvrumo6We_q0797cdk3jJqF6rT9963Tb966lD_bDGX9OTmrdRHvxk8fkdX6znN1NFo-397PpYmK4TLuJYZrlVSZMaRCLDDianMkUKg2lrNPCsLJmBbcoNEtzyUQhSyEkR4kaIC34mFwf9lZON63t1Ca4tQ575bVTv7Nt64LzK61sVNPnJQAgx_5W1uPJAY_G2carld-Gtv9XvQx-1OCHAeY9wYfAHrg6ACb4GIOt_w4iqEG7GrSrb-1q0M6_AMLRc7I</recordid><startdate>2018</startdate><enddate>2018</enddate><creator>Ochoa, Yisa María</creator><creator>Hernandez, Anselmo</creator><creator>Delgado, Juan Carlos</creator><creator>Beltran, Mariana</creator><creator>Tapia, Luis Mario</creator><creator>Hernandez, Omegar</creator><creator>Cerna, Ernesto</creator><general>Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal</general><scope>AAYXX</scope><scope>CITATION</scope><scope>GPN</scope><scope>AGMXS</scope><scope>FKZ</scope></search><sort><creationdate>2018</creationdate><title>First report of avocado tree wilt by Pythium sp. amazonianum in Mexico</title><author>Ochoa, Yisa María ; Hernandez, Anselmo ; Delgado, Juan Carlos ; Beltran, Mariana ; Tapia, Luis Mario ; Hernandez, Omegar ; Cerna, Ernesto</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c374t-c2a28d65cbc1196031c82740da0b7f49c2bf293e15a24872597b5573171a00493</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>AGRICULTURE, MULTIDISCIPLINARY</topic><topic>Aguacate</topic><topic>Avocado</topic><topic>Michoacan</topic><topic>Michoacán</topic><topic>oomiceto</topic><topic>oomycete</topic><topic>pathogenicity</topic><topic>patogenicidad</topic><topic>Pythium</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ochoa, Yisa María</creatorcontrib><creatorcontrib>Hernandez, Anselmo</creatorcontrib><creatorcontrib>Delgado, Juan Carlos</creatorcontrib><creatorcontrib>Beltran, Mariana</creatorcontrib><creatorcontrib>Tapia, Luis Mario</creatorcontrib><creatorcontrib>Hernandez, Omegar</creatorcontrib><creatorcontrib>Cerna, Ernesto</creatorcontrib><creatorcontrib>CULTA S.A</creatorcontrib><creatorcontrib>Universidad Autónoma Agraria Antonio Narro</creatorcontrib><collection>CrossRef</collection><collection>SciELO</collection><collection>Dialnet (Open Access Full Text)</collection><collection>Dialnet</collection><jtitle>Ciencia e investigación agraria</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ochoa, Yisa María</au><au>Hernandez, Anselmo</au><au>Delgado, Juan Carlos</au><au>Beltran, Mariana</au><au>Tapia, Luis Mario</au><au>Hernandez, Omegar</au><au>Cerna, Ernesto</au><aucorp>CULTA S.A</aucorp><aucorp>Universidad Autónoma Agraria Antonio Narro</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>First report of avocado tree wilt by Pythium sp. amazonianum in Mexico</atitle><jtitle>Ciencia e investigación agraria</jtitle><addtitle>Cienc. Inv. Agr</addtitle><date>2018</date><risdate>2018</risdate><volume>45</volume><issue>3</issue><spage>301</spage><epage>305</epage><pages>301-305</pages><issn>0718-1620</issn><eissn>0718-1620</eissn><abstract>Abstract In August and September 2014, different avocado orchards (Persea americana Mill. Var. Hass) were sampled in four municipalities (Tancítaro, Uruapan, San Juan Nuevo Parangaricutiro and Peribán) of the “Franja aguacatera” in Michoacan State, Mexico. Samples were collected from avocado trees showing symptoms of the “Tristeza del aguacate” disease. Strains of Pythium sp. were obtained consistently from symptomatic tissue isolated in the selective medium V8®-Agar-PARPH. Morphological identification was made through taxonomic keys, and molecular identification was obtained by sequencing Internal Transcribed Spacer (ITS) gene. Koch's postulates were corroborated by pathogenicity tests carried out on P. americana seedlings with six true leaves, identifying the strain of P. sp. amazonianum as the causal agent of the “Tristeza del aguacate” disease. This is the first report that associates the “Tristeza del aguacate” with P. sp. amazonianum in Michoacan, Mexico.</abstract><pub>Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal</pub><doi>10.7764/rcia.v45i3.1905</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | AGRICULTURE, MULTIDISCIPLINARY Aguacate Avocado Michoacan Michoacán oomiceto oomycete pathogenicity patogenicidad Pythium |
| title | First report of avocado tree wilt by Pythium sp. amazonianum in Mexico |
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