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Canadian Journal of Plant Pathology Volume 34, 2012 - Issue 3
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Disease report/Rapport des maladies

First report of Alternaria alternata (Fr.) Keissler causing inflorescence blight in Jatropha curcas in Sinaloa, Mexico

María de Los Angeles Espinoza-Verduzco Instituto Politécnico Nacional, CIIDIR-IPN, Unidad Sinaloa, Departamento de Biotecnología Agrícola, Blvd. Juan de Dios Bátiz Paredes No 250, Guasave, Sinaloa, México, CP 81101
,
María Elena Santos-Cervantes Instituto Politécnico Nacional, CIIDIR-IPN, Unidad Sinaloa, Departamento de Biotecnología Agrícola, Blvd. Juan de Dios Bátiz Paredes No 250, Guasave, Sinaloa, México, CP 81101
,
Ernesto Fernández-Herrera Instituto Politécnico Nacional, CIIDIR-IPN, Unidad Sinaloa, Departamento de Biotecnología Agrícola, Blvd. Juan de Dios Bátiz Paredes No 250, Guasave, Sinaloa, México, CP 81101
,
Mariela Guadalupe Espinoza-Mancillas Instituto Politécnico Nacional, CIIDIR-IPN, Unidad Sinaloa, Departamento de Biotecnología Agrícola, Blvd. Juan de Dios Bátiz Paredes No 250, Guasave, Sinaloa, México, CP 81101
,
Jesús Alicia Chávez-Medina Instituto Politécnico Nacional, CIIDIR-IPN, Unidad Sinaloa, Departamento de Biotecnología Agrícola, Blvd. Juan de Dios Bátiz Paredes No 250, Guasave, Sinaloa, México, CP 81101
,
Enrique Miguel Bermúdez-Álvarez Instituto Politécnico Nacional, CIIDIR-IPN, Unidad Sinaloa, Departamento de Biotecnología Agrícola, Blvd. Juan de Dios Bátiz Paredes No 250, Guasave, Sinaloa, México, CP 81101
,
Alma Leticia Martínez-Ayala Instituto Politécnico Nacional, CIBA-Tlaxcala. Ex-Hacienda San Juan Molino, Carretera Estatal Tecuexcomac-Tepetitla Km 1.5, Tlaxcala, C.P. 90700, México
,
Jesús Méndez-Lozano Instituto Politécnico Nacional, CIIDIR-IPN, Unidad Sinaloa, Departamento de Biotecnología Agrícola, Blvd. Juan de Dios Bátiz Paredes No 250, Guasave, Sinaloa, México, CP 81101
&
Norma Elena Leyva-López Instituto Politécnico Nacional, CIIDIR-IPN, Unidad Sinaloa, Departamento de Biotecnología Agrícola, Blvd. Juan de Dios Bátiz Paredes No 250, Guasave, Sinaloa, México, CP 81101Correspondence[email protected]
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Pages 455-458 | Accepted 23 Apr 2012, Published online: 21 Jun 2012

Figures & data

Fig. 1. Morphology of Alternaria alternata and inflorescences of Jatropha curcas. a, Mycelial growth of fungal pathogen on PDA. b, Conidial mass of A. alternata at 40×. c, Inoculated inflorescence with Alternaria alternata after 8 days of the inoculation. d, Control inflorescence.

Fig. 1. Morphology of Alternaria alternata and inflorescences of Jatropha curcas. a, Mycelial growth of fungal pathogen on PDA. b, Conidial mass of A. alternata at 40×. c, Inoculated inflorescence with Alternaria alternata after 8 days of the inoculation. d, Control inflorescence.

Fig. 2. Similarity dendrogram on distances derived from sequences of the ITS2 regions of Alternaria species. Distances were determined by clustal W alignment method with weighed residue weight table in the program MegAlign of the sequence analysis software suite Lasergene (DNASTAR Inc.). Bootstrap (confidence) values are shown on the branches. Alternaria alternata strains from this study are in bold.

Fig. 2. Similarity dendrogram on distances derived from sequences of the ITS2 regions of Alternaria species. Distances were determined by clustal W alignment method with weighed residue weight table in the program MegAlign of the sequence analysis software suite Lasergene (DNASTAR Inc.). Bootstrap (confidence) values are shown on the branches. Alternaria alternata strains from this study are in bold.

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