Plant Disease (2000) 84, 835-837

J. Navas-Castillo, R. Camero, M. Bueno and E. Moriones (2000)
Severe yellowing outbreaks in tomato in Spain associated with infections of Tomato chlorosis virus
Plant Disease 84 (8), 835-837
Abstract: Since 1997, yellowing disease outbreaks have occurred in tomato (Lycopersicon esculentum) crops in southern Spain. The outbreaks were associated with high populations of the whitefly Bemisia tabaci. Symptoms consisted mainly of interveinal yellowing that developed initially on lower leaves and then progressed to the upper part of the plant. Affected plants were less vigorous and yielded less due to reduced fruit growth and delayed ripening. During 1998 and 1999, the yellowing disease was widespread and occurred at high incidences in the Málaga province. The disease agent was readily transmissible from tomato to tomato by B. tabaci biotype Q. Samples from symptomatic tomato plants were analyzed and shown to be infected with Tomato chlorosis virus (ToCV) (genus Crinivirus, family Closteroviridae). This is the first report of ToCV epidemics in Europe.
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Database assignments for author(s): Jesús Navas-Castillo

Research topic(s) for pests/diseases/weeds:
population dynamics/ epidemiology

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Tomato chlorosis virus	Tomato (Solanum lycopersicum)	Spain (continental)