Epidemiology of Fusarium agave wilt in Agave tequilana Weber var. azul

María de Jesús Ramírez-Ramírez, N. Alejandra Mancilla-Margalli, Lucía Meza-Álvarez, Ramón Turincio-Tadeo, Doralinda Guzmán- De Pena and Martin Eduardo Avila-Miranda
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María de Jesús Ramírez-Ramírez: Postgraduate Studies and Research Division, Technological Institute of Tlajomulco, National Institute of Technology of Mexico, Tlajomulco de Zúñiga, Jal, Mexico
N. Alejandra Mancilla-Margalli: Postgraduate Studies and Research Division, Technological Institute of Tlajomulco, National Institute of Technology of Mexico, Tlajomulco de Zúñiga, Jal, Mexico
Lucía Meza-Álvarez: Postgraduate Studies and Research Division, Technological Institute of Tlajomulco, National Institute of Technology of Mexico, Tlajomulco de Zúñiga, Jal, Mexico
Ramón Turincio-Tadeo: Postgraduate Studies and Research Division, Technological Institute of Tlajomulco, National Institute of Technology of Mexico, Tlajomulco de Zúñiga, Jal, Mexico
Doralinda Guzmán- De Pena: Department of Biotechnology and Biochemistry, Cinvestav Irapuato, Irapuato, Gto., Mexico

Plant Protection Science, 2017, vol. 53, issue 3, 144-152

Abstract: Fusarium oxysporum is reported as the principal causal agent limiting production of Agave tequilana Weber var. azul, but frequent isolation of F. solani, and symptoms typical of F. solani as a pathogen like severe reddish coloured root rot and loss of soil anchorage are frequently associated with diseased agaves. Inoculations of agave plantlets with F. solani induced typical agave root rot symptoms in greenhouse trials. The incidence of both pathogens was determined molecularly with specific primers in the ITS2 sequence. Dispersion patterns of agave wilt, determined in plantations of different age, indicated a tendency to produce aggregated patterns over time as the disease spread from the initial symptomatic plant to adjacent plants. Although both fungi were isolated from agave diseased plants, and in spite of the higher percentage of detection and root rot symptoms, it is concluded that F. solani may have a greater impact in agave wilt.

Keywords: Pathozone; soil-borne; plant pathogens; dispersion pattern (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpps:v:53:y:2017:i:3:id:142-2016-pps

DOI: 10.17221/142/2016-PPS

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