Yaima Arocha

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During 2003, surveys of sugarcane yellow leaf disease and papaya bunchy top-like disease were carried out on plantations in Havana province, Cuba, to determine the roles of weeds and Auchenorrhyncha insects in the epidemiology of these diseases. More than 250 plant and insect samples were collected and indexed by using a nested PCR for phytoplasma 16S rDNA(More)
New diseases known locally as 'hoja de perejil' of tomato (Lycopersicon esculentum Mill) and 'brotes grandes' of potato (Solanum tuberosum L.) were first recognized in surveys of production fields in Bolivia during 2000-2003. Alfalfa (Medicago sativa) witches' broom and little leaf diseases of native weeds Morrenia variegata and mora-mora (Serjania(More)
Phytoplasmas found in the French territory of Wallis and Futuna were identified by nested polymerase chain reaction (PCR), restriction fragment length polymorphism analysis (RFLP) and sequence analysis. They were associated with diseases of the crop plants cassava (Manihot esculenta), Indian mulberry or noni (Morinda citrifolia) and pineapple (Ananas(More)
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