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Revista de Protección Vegetal

versión impresa ISSN 1010-2752versión On-line ISSN 2224-4697

Rev. Protección Veg. vol.30  supl.1 La Habana dic. 2015

 

RESUMEN DEL SEGUNDO SEMINARIO INTERNACIONAL DE SANIDAD AGROPECUARIA (SISA)

 

A new threat for Cuban agriculture: phytoplasma diseases and their vectors

 

Una nueva amenaza para la agricultura cubana: enfermedades causadas por fitoplasmas y sus vectores

 

 

Karel AcostaI*, Loidy ZamoraII, Berta PiñolII, Fabio Nascimiento SilvaIII, Gloria Patricia UrquizaIII, Robert M. Leyva MartínezIV, Adayakni SanchezII, Miriam FernandezII, Claudine Marcia CarvalhoIII, Francisco Murilo ZerbiniIII, Madelaine QuiñonesII**, Yaima ArochaV

IUniversidad de Las Tunas (ULT), Ave Carlos J. Finlay, Israel Santos, Las Tunas, CP 75200, Cuba. *E-mail: karel0978@gmail.com, karelap@ult.edu.cu.
IICentro Nacional de Sanidad Agropecuaria (CENSA); Apdo. 10, San José de las Lajas, CP 32700, Mayabeque, Cuba. **E-mail: madeqp@censa.edu.cu.
IIIDepartamento de Fitopatología, Universidad Federal de Viçosa, 36570-900 Viçosa, MG, Brasil.
IV
Unidad de Extensión, Investigación y Capacitación Agropecuaria de Holguín (UEICAH), Cuba.
VSporometrics, Toronto, Ontario, Canada and Global Plant Clinic, CABI-Europe, Surrey, United Kingdom.

 

 

Our country is located in the subtropical region with a high agricultural potential. Actually, agriculture supports mostly field crops such as corn, common bean, soybean, varied fruits and vegetable, whose productions may replace imports with a large impact on Cuban economy. Plant diseases are one of the most important factors which limit production of these crops. Recently, phytoplasmas have been found as important agents of diseases limiting the agricultural production in Cuba. Transmission by vegetative plant material and by vectors may cause epidemics in a very short period. The nested PCR and RFLP method has permitted the detection and characterization of Candidatus Phytoplasma asteris (Aster yellowgroup, AY) on sugar cane, papaya, pepper, radish, common bean, corn, soybean, tomato and macadamia trees, and Ca. Phytoplasma aurantifolia on papaya and sapodilla trees, as the most important phytoplasma infections in our country. In addition, this pathogen has been found in alternative hosts, mainly weeds surrounding these crops. AY and Ca. Phytoplasma aurantifolia are transmitted by vector species belonging to the order Hemiptera, mainly by species of the families Cicadellidae and Psyllidae. Future studies will be focused on disease epidemiology in agricultural ecosystems.

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