Now showing items 1-7 of 7

    • Catharanthus roseus (Apocynaceae) naturally infected with diverse phytoplasmas in Costa Rica 

      Villalobos Muller, William; Bottner Parker, Kristi D.; Lee, Ing-Ming; Montero Astúa, Mauricio; Albertazzi Castro, Federico José; Coto Morales, Teresita; Sandoval Carvajal, Izayana; Garita Salazar, Laura Cristina; Moreira Carmona, Lisela (2019-01-30)
      Phytoplasmas (class Mollicutes) are causal agents of plant diseases with an economic impact on crops or threatening local biodiversity. A survey was conducted from 2012 to 2016 on infected Catharanthus roseus plants that ...
    • Detection of Plantago asiatica mosaic virus in lily hybrid plants(Lilium spp.) in Costa Rica grown from imported bulbs 

      Garita Salazar, Laura Cristina; Hammond, John; Moreira Carmona, Lisela; Vásquez Céspedes, Elena; Montero Astúa, Mauricio (2017-12)
      Plantago asiatica mosaic virus (PlAMV) was detected in Costa Rica infecting lily plants showing foliar chlorotic and necrotic streaking. Virus identity was established by TEM, sequencing and ELISA. Pathogenicity was confirmed ...
    • First Report of Citrus variegation virus in Palestine Sweet Lime, as Coffee Shade in Costa Rica 

      Moreira Carmona, Lisela; Albertazzi Castro, Federico José; Garita Salazar, Laura Cristina; Ortiz Arias, Beatriz; Villalobos Muller, William (2011)
      Symptoms resembling those of Citrus variegation virus (CVV) were observed in old Palestine sweet lime trees (Citrus limettioides Tan.) used as coffee shade in the Central Valley in Costa Rica. The symptoms include leaf ...
    • First report of Iris yellow spot virus in Costa Rica 

      Montero Astúa, Mauricio; Dejuk Protti, Natasha; Vásquez Céspedes, Elena; Garita Salazar, Laura Cristina; Moreira Carmona, Lisela (2017)
      Iris yellow spot virus (IYSV), an emerging disease of onion crops, was identified by transmission electron microscopy, enzyme linked immunosorbent assay, and reverse transcription polymerase chain reaction in Costa Rica. ...
    • First Report of Xylella fastidiosa in Avocado in Costa Rica 

      Montero Astúa, Mauricio; Saborío Rodríguez, Guido Alonso; Chacón Díaz, Carlos; Garita Salazar, Laura Cristina; Villalobos Muller, William; Moreira Carmona, Lisela; Hartung, John; Rivera Herrero, Carmen (2008-01)
      Since the late 1990s, chlorotic mottling, marginal scorch, deformation of leaves, defoliation, shortening of internodes, and branch dieback have been observed in avocado trees (Persea americana Mill.) in Costa Rica. The ...
    • Guazuma ulmifolia (Sterculiaceae), a new natural host of 16SrXV phytoplasma in Costa Rica 

      Villalobos Muller, William; Martini, Marta; Garita Salazar, Laura Cristina; Osler, Ruggero; Moreira Carmona, Lisela; Muñoz García, Melania Nelly (2011-04)
      Guacimo trees (Guazuma ulmifolia, Sterculiaceae) showing witches’ broom symptoms (GWB), small leaves, short internodes, stunting and no flower and fruit production were observed on side roads and fences in different areas ...
    • Isolation and molecular characterization of Xylella fastidiosa from coffee plants in Costa Rica. 

      Aguilar Alvarez, Estela Yamileth; Rodríguez Solís, Carlos Mario; Garita Salazar, Laura Cristina; Villalobos Muller, William; Moreira Carmona, Lisela; Hartung, John; Rivera Herrero, Carmen; Montero Astúa, Mauricio; Chacón Díaz, Carlos (2008-10)
      Coffee plants exhibiting a range of symptoms including mild to severe curling of leaf margins, chlorosis and deformation of leaves, stunting of plants, shortening of internodes, and dieback of branches have been reported ...