Head smut of maize caused by Sphacelotheca reiliana (J. G. Kühn) G. P. Clinton in Cuba

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Síntomas del carbón de la espiga del maíz. A, B y C: soros en inflorescencia masculina; C: espiga con exceso de crecimiento, soros del carbón y filodia; D, E y F: Filodia. / Symptoms of Head smut of maize. A, B and C: sorus on male inflorescence; C: overgrowing male inflorescence with sorus and phylody; D, E and F: Philody.
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Published: Mar 8, 2016
Keywords:
Sporisorium reilianum, Microbotryaceae, Zea mays

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Einar Martínez de la Parte
Instituto de investigaciones de Sanidad Vegetal
Dayanis Wilson Bott
Laboratorio Provincial de Sanidad Vegetal de Guantánamo
María Elena Lorenzo
Laboratorio Provincial de Sanidad Vegetal de Cienfuegos
Dalgis Guerrero Barriel
Laboratorio Provincial de Sanidad Vegetal de Santiago de Cuba
Dariel García Rodríguez
Centro Nacional de Sanidad Vegetal, Laboratorio Central de Cuarentena Vegetal
Giselle Rodríguez Gutiérrez
Laboratorio Provincial de Sanidad Vegetal de Las Tunas
Perla Sierra Ricabal
Laboratorio Provincial de Sanidad Vegetal de Cienfuegos
Yamilet Gómez León
Laboratorio Provincial de Sanidad Vegetal de Sancti Spíritus

Abstract

In Cuba, during last years maize have been gained in importance, cropped areas with this cereal have been increased from 74 604 ha in 1990 to 185 922 ha in 2014. In several maize fields from different provinces, plants with deformed male inflorescence, with smut sori and or phillody on inflorescence and ears, were detected. Symptomatic plants were present with a low frequency in the fields and were found sporadically. Identification of the causal agent of this symptomatology was the aim of this work. Smut isolates were morphologically characterized. Foliar tissue from plants with phillody, were decolorized to dismiss Slcerophthora macrospora presence on its. Morphological characteristics of smut isolates agree with those reported for Sphacelotheca reiliana. This specie was detected in eighth provinces on canilla, FR-28, tusón, TGH, P-7928 varieties and on hybrid HDT-66. This work is the first report of maize head smut caused by S. reiliana in Cuba. Neither, S. macrospora mycelia and oospores, were not detected on any of analyzed samples.

Article Details

How to Cite
Martínez de la Parte, E., Wilson Bott, D., Lorenzo, M. E., Guerrero Barriel, D., García Rodríguez, D., Rodríguez Gutiérrez, G., Sierra Ricabal, P., & Gómez León, Y. (2016). Head smut of maize caused by Sphacelotheca reiliana (J. G. Kühn) G. P. Clinton in Cuba. Fitosanidad, 20(1), 33-38. https://www.fitosanidad.edicionescervantes.com/index.php/fitosanidad/article/view/110
Issue
Vol. 20 No. 1 (2016): Enero-Abril
Section
Original Articles
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How to Cite

Martínez de la Parte, E., Wilson Bott, D., Lorenzo, M. E., Guerrero Barriel, D., García Rodríguez, D., Rodríguez Gutiérrez, G., Sierra Ricabal, P., & Gómez León, Y. (2016). Head smut of maize caused by Sphacelotheca reiliana (J. G. Kühn) G. P. Clinton in Cuba. Fitosanidad, 20(1), 33-38. https://www.fitosanidad.edicionescervantes.com/index.php/fitosanidad/article/view/110

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