Identification of New Hosts of Pseudocercospora fijiensis Suggests Innovative Pest Management Programs for Black Sigatoka Disease in Banana Plantations

Vázquez-Euán, Roberto; Chi-Manzanero, Bartolomé; Hernández-Velázquez, Ioreni; Tzec-Simá, Miguel; Islas-Flores, Ignacio; Martínez-Bolaños, Luciano; Garrido-Ramírez, Eduardo R.; Canto-Canché, Blondy

doi:10.3390/agronomy9100666

Open AccessArticle

Identification of New Hosts of Pseudocercospora fijiensis Suggests Innovative Pest Management Programs for Black Sigatoka Disease in Banana Plantations

by

Roberto Vázquez-Euán

^1,2,†,

Bartolomé Chi-Manzanero

^1,†,

Ioreni Hernández-Velázquez

^1,3,

Miguel Tzec-Simá

⁴

,

Ignacio Islas-Flores

⁴,

Luciano Martínez-Bolaños

⁵,

Eduardo R. Garrido-Ramírez

⁶

and

Blondy Canto-Canché

^1,*

¹

Unidad de Biotecnología, Centro de Investigación Científica de Yucatán, A.C., Calle 43 No. 130 x 32 y 34, Chuburná de Hidalgo CP 97205, Yucatán, Mexico

²

CONACyT-Departamento de Investigaciones Científicas y Tecnológicas de la, Universidad de Sonora, Hermosillo CP 83200, Sonora, Mexico

³

Departamento de Recursos del Mar, CINVESTAV Mérida, Km 6 Antigua Carretera a Progreso, Mérida CP 97310, Yucatán, Mexico

⁴

Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán, A.C., Calle 43 No. 130 x 32 y 34, Chuburná de Hidalgo CP 97205, Yucatán, Mexico

⁵

Unidad Regional Universitaria Sursureste, Universidad Autónoma Chapingo, km 7 Carr. Teapa–Ra. Vicente Guerrero, Teapa CP 86800, Tabasco, Mexico

⁶

Instituto Nacional de Investigaciones Forestales, Agricolas y Pecuarias, Campo Experimental Centro de Chiapas, Ocozocoautla, Chiapas CP 29140, Mexico

^*

Author to whom correspondence should be addressed.

^†

These authors contributed equally to this work and must be credited as co-first authors.

Agronomy 2019, 9(10), 666; https://doi.org/10.3390/agronomy9100666

Submission received: 22 August 2019 / Revised: 15 October 2019 / Accepted: 16 October 2019 / Published: 22 October 2019

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Abstract

Black Sigatoka is the main constraint to banana production worldwide, and epidemic outbreaks are continuously causing huge losses. Successful management of diseases requires a profound knowledge of the epidemiological factors that influence disease dynamics. Information regarding alternative hosts of Pseudocercospora fijiensis, the causal agent, is still very scarce. To date, only Heliconia psittacorum has been reported as an alternative plant host, and we hypothesized that other plants can house P. fijiensis. In the present report, ten plant species with suspicious leaf spots were collected inside and around commercial banana crops in Mexico. Diagnostic PCR gave positive amplification for six of these plant species, and DNA sequencing confirmed the presence of the pathogen in four. This is the first report of the presence of P. fijiensis in unrelated plants and it represents a breakthrough in the current knowledge of black Sigatoka. This finding is very important given the polycyclic nature of this disease whose successful management requires the control of initial inoculum to minimize epidemic outbreaks. The results presented herein can be used to introduce innovations in integrated black Sigatoka management programs to reduce initial inoculum, and help the international initiative to reduce the use of fungicides in banana production.

Keywords: Pseudocercospora fijiensis; Musa sp.; alternative reservoir

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MDPI and ACS Style

Vázquez-Euán, R.; Chi-Manzanero, B.; Hernández-Velázquez, I.; Tzec-Simá, M.; Islas-Flores, I.; Martínez-Bolaños, L.; Garrido-Ramírez, E.R.; Canto-Canché, B. Identification of New Hosts of Pseudocercospora fijiensis Suggests Innovative Pest Management Programs for Black Sigatoka Disease in Banana Plantations. Agronomy 2019, 9, 666. https://doi.org/10.3390/agronomy9100666

AMA Style

Vázquez-Euán R, Chi-Manzanero B, Hernández-Velázquez I, Tzec-Simá M, Islas-Flores I, Martínez-Bolaños L, Garrido-Ramírez ER, Canto-Canché B. Identification of New Hosts of Pseudocercospora fijiensis Suggests Innovative Pest Management Programs for Black Sigatoka Disease in Banana Plantations. Agronomy. 2019; 9(10):666. https://doi.org/10.3390/agronomy9100666

Chicago/Turabian Style

Vázquez-Euán, Roberto, Bartolomé Chi-Manzanero, Ioreni Hernández-Velázquez, Miguel Tzec-Simá, Ignacio Islas-Flores, Luciano Martínez-Bolaños, Eduardo R. Garrido-Ramírez, and Blondy Canto-Canché. 2019. "Identification of New Hosts of Pseudocercospora fijiensis Suggests Innovative Pest Management Programs for Black Sigatoka Disease in Banana Plantations" Agronomy 9, no. 10: 666. https://doi.org/10.3390/agronomy9100666

APA Style

Vázquez-Euán, R., Chi-Manzanero, B., Hernández-Velázquez, I., Tzec-Simá, M., Islas-Flores, I., Martínez-Bolaños, L., Garrido-Ramírez, E. R., & Canto-Canché, B. (2019). Identification of New Hosts of Pseudocercospora fijiensis Suggests Innovative Pest Management Programs for Black Sigatoka Disease in Banana Plantations. Agronomy, 9(10), 666. https://doi.org/10.3390/agronomy9100666

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Identification of New Hosts of Pseudocercospora fijiensis Suggests Innovative Pest Management Programs for Black Sigatoka Disease in Banana Plantations

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