Now showing items 1-10 of 37
First Report of an Aster Yellows Subgroup 16SrI-B Phytoplasma Infecting Chayote in Costa Rica
An outbreak of a witches' broom disease affected approximately 20% of plants in several chayote (Sechium edule (Jacq.) Schwartz) fields in the commercial production area of the Ujarrás Valley, Cartago Province, Costa Rica ...
First report of Sugarcane yellow leaf virus (ScYLV) in Costa Rica
In Costa Rica, sugarcane plants with symptoms similar to those described for yellow leaf syndrome (YLS) (1,2) were first observed in 1994 in research plots of imported material in the midland areas of San Carlos and ...
Prevalencia y distribución geográfica de los virus PXV, PVY, PVA, PVM, PVS y PLRV en el cultivo de la papa en la zona norte de Cartago, Costa Rica
Se realizó un muestreo de papa de la zona norte de la provincia de Cartago, zona de producción de papa en Costa Rica, durante el período comprendido entre febrero y agosto de 1997. Se colectaron hojas terminales de 30 ...
First Report of Orchid fleck virus in Costa Rica
Orchid fleck virus (OFV), a tentative member of the family Rhabdoviridae, infects orchids in several countries. The virus is vectored worldwide by the mite Brevipalpus californicus (Banks) (Acari: Tenuipalpidae). Eleven ...
First Report of New Phytoplasma Diseases Associated with Soybean, Sweet Pepper, and Passion Fruit in Costa Rica
A new soybean disease outbreak occurred in 2002 in a soybean (Glycine max) plantation in Alajuela Province, Costa Rica. Symptoms on the affected plants included general stunting, small leaves, formation of excessive buds, ...
Identification and distribution of melon infecting viruses and their vectors in two provinces of Costa Rica
Papaya ringspot potyvirus (PRSV), watermelon mosaic 2 potyvirus (WMV-2), cucumber mosaic cucumovirus (CMV) and zucchini yellow mosaic potyvirus (ZYMV), singly or in mixed infections, were identified by ELISA in melon ...