Aerobiological dynamics of potentially pathogenic fungi in a rice agroecosystem in La Habana, Cuba

Michel Almaguer-Chávez, Teresa Rojas-Flores, Vladimir Dobal-Amador, Amado Batista-Mainegra, Narovis Rives-Rodríguez, María Jesús-Aira, Ana N. Hernández-Lauzardo, Annia Hernandez-Rodríguez

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The aerobiology can play a key role in protecting the rice crop since many fungi can cause serious damage to agricultural areas. In this way, the ideal time to implement different security measures can be identified. To determine the presence of potentially pathogenic fungi in the air of the rice agroecosystem, a weekly monitoring of viable fungi was carried out using a volumetric sampler. Collected fungi were quantified, isolated, and identified based on their morphological characteristics. The results obtained demonstrated that the annual average concentration of filamentous fungi in the atmosphere of rice agroecosystem studied was 1,225 cfu m -3 levels ranging between 115 cfu m -3 (April) and 2,865 cfu m -3 (August). Pyricularia grisea was detected in the air for 5 months, since the second week of June until the first week of October, and highest average concentration (25 cfu m -3) was observed in August. Of the meteorological factors evaluated, temperature and relative air humidity influence the concentration of propagules of P. grisea in the air. Besides, other fungi were detected such as Curvularia, Bipolaris, Alternaria, and Cercospora, all with relevance to rice cultivation. This is the first characterization of aeromycological biodiversity in the studied region. © Springer Science+Business Media B.V. 2011.
Original languageAmerican English
Pages (from-to)177-183
Number of pages158
JournalAerobiologia
DOIs
StatePublished - 1 Jun 2012

Fingerprint

Cuba
agroecosystems
Fungi
rice
fungi
Pyricularia grisea
Air
air
Magnaporthe grisea
Meteorological Concepts
Security Measures
Bipolaris
Alternaria
Cercospora
Curvularia
meteorological parameters
Biodiversity
samplers
Humidity
Atmosphere

Cite this

Almaguer-Chávez, M., Rojas-Flores, T., Dobal-Amador, V., Batista-Mainegra, A., Rives-Rodríguez, N., Jesús-Aira, M., ... Hernandez-Rodríguez, A. (2012). Aerobiological dynamics of potentially pathogenic fungi in a rice agroecosystem in La Habana, Cuba. Aerobiologia, 177-183. https://doi.org/10.1007/s10453-011-9222-2
Almaguer-Chávez, Michel ; Rojas-Flores, Teresa ; Dobal-Amador, Vladimir ; Batista-Mainegra, Amado ; Rives-Rodríguez, Narovis ; Jesús-Aira, María ; Hernández-Lauzardo, Ana N. ; Hernandez-Rodríguez, Annia. / Aerobiological dynamics of potentially pathogenic fungi in a rice agroecosystem in La Habana, Cuba. In: Aerobiologia. 2012 ; pp. 177-183.
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Almaguer-Chávez, M, Rojas-Flores, T, Dobal-Amador, V, Batista-Mainegra, A, Rives-Rodríguez, N, Jesús-Aira, M, Hernández-Lauzardo, AN & Hernandez-Rodríguez, A 2012, 'Aerobiological dynamics of potentially pathogenic fungi in a rice agroecosystem in La Habana, Cuba', Aerobiologia, pp. 177-183. https://doi.org/10.1007/s10453-011-9222-2

Aerobiological dynamics of potentially pathogenic fungi in a rice agroecosystem in La Habana, Cuba. / Almaguer-Chávez, Michel; Rojas-Flores, Teresa; Dobal-Amador, Vladimir; Batista-Mainegra, Amado; Rives-Rodríguez, Narovis; Jesús-Aira, María; Hernández-Lauzardo, Ana N.; Hernandez-Rodríguez, Annia.

In: Aerobiologia, 01.06.2012, p. 177-183.

Research output: Contribution to journalArticle

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T1 - Aerobiological dynamics of potentially pathogenic fungi in a rice agroecosystem in La Habana, Cuba

AU - Almaguer-Chávez, Michel

AU - Rojas-Flores, Teresa

AU - Dobal-Amador, Vladimir

AU - Batista-Mainegra, Amado

AU - Rives-Rodríguez, Narovis

AU - Jesús-Aira, María

AU - Hernández-Lauzardo, Ana N.

AU - Hernandez-Rodríguez, Annia

PY - 2012/6/1

Y1 - 2012/6/1

N2 - The aerobiology can play a key role in protecting the rice crop since many fungi can cause serious damage to agricultural areas. In this way, the ideal time to implement different security measures can be identified. To determine the presence of potentially pathogenic fungi in the air of the rice agroecosystem, a weekly monitoring of viable fungi was carried out using a volumetric sampler. Collected fungi were quantified, isolated, and identified based on their morphological characteristics. The results obtained demonstrated that the annual average concentration of filamentous fungi in the atmosphere of rice agroecosystem studied was 1,225 cfu m -3 levels ranging between 115 cfu m -3 (April) and 2,865 cfu m -3 (August). Pyricularia grisea was detected in the air for 5 months, since the second week of June until the first week of October, and highest average concentration (25 cfu m -3) was observed in August. Of the meteorological factors evaluated, temperature and relative air humidity influence the concentration of propagules of P. grisea in the air. Besides, other fungi were detected such as Curvularia, Bipolaris, Alternaria, and Cercospora, all with relevance to rice cultivation. This is the first characterization of aeromycological biodiversity in the studied region. © Springer Science+Business Media B.V. 2011.

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Almaguer-Chávez M, Rojas-Flores T, Dobal-Amador V, Batista-Mainegra A, Rives-Rodríguez N, Jesús-Aira M et al. Aerobiological dynamics of potentially pathogenic fungi in a rice agroecosystem in La Habana, Cuba. Aerobiologia. 2012 Jun 1;177-183. https://doi.org/10.1007/s10453-011-9222-2