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Revista Chapingo: Serie Ciencias Forestales y del Ambiente
Article . 2014 . Peer-reviewed
License: CC BY NC
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Neofusicoccum eucalyptorum (=Botryosphaeria eucalyptorum) y n. parvum: patógenos en plantaciones de eucalipto en méxico

Authors: Jesús G. De la Mora-Castañeda; David Cibrián-Tovar; Omar A. Pérez-Vera;

Neofusicoccum eucalyptorum (=Botryosphaeria eucalyptorum) y n. parvum: patógenos en plantaciones de eucalipto en méxico

Abstract

En el oriente de Michoacán, la muerte regresiva en plantaciones comerciales de eucalipto se presentó en árboles con daños por heladas y sequías en el 2013. En Eucalyptus nitens se aisló al patógeno Neofusicoccum eucalyptorum encontrando a su teleomorfo Botryosphaeria eucalyptorum en los cancros, mientras que N. parvum se aisló de E. nitens y E. globulus. Ambas especies de Neofusicoccum se identificaron por morfología y se caracterizaron molecularmente mediante PCR-ITS. Las secuencias de N. eucalyptorum (números de acceso: KC479184 y KC4799188) y N. parvum (KC479185, KC479186 y KC479187) se depositaron en el Banco de Genes del NCBI. En campo, los eucaliptos enfermos presentaron muerte regresiva, cancros fusiformes en fuste que inducen hinchamientos, flujo de resina y brotes epicórmicos. Los hongos inoculados in vitro en varetas de E. nitens y E. globulus causaron lesiones necróticas y abundantes picnidios inmaduros a 10 días después de la inoculación (ddi). En los árboles de E. nitens de tres años de edad se formó un cancro de apariencia hundida con forma fusiforme, de color café oscuro y de 13 a 21.9 cm a los 48 ddi. Este trabajo es el primer reporte de N. eucalyptorum y N. parvum en México causando enfermedad en plantaciones de eucalipto.

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Keywords

Botryosphaeriaceae, endófito, PALABRAS CLAVE, cancros, Agrociencias, Forestry, Eucalyptus sp., SD1-669.5, muerte regresiva

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
Green
gold