First Report of Tomato chlorosis virus and Tomato infectious chlorosis virus in Tomato Crops in France

Plant Disease
A DalmonM Jacquemond

Abstract

Since 2002, yellowing symptoms associated with high levels of white-fly populations have been observed in plants of protected tomato crops in France. Symptomatic plants exhibited interveinal yellowing areas in older leaves, followed by generalized yellowing. Symptoms were not observed in young plants or fruits. Trialeurodes vaporariorum populations were generally abundant in spring, and Bemisia tabaci (established in France for approximately 10 years) became predominant in summer and fall. To check for the presence of Tomato chlorosis virus (ToCV) and Tomato infectious chlorosis virus (TICV), two whitefly-transmitted criniviruses known to induce yellowing symptoms, 696 samples were collected in the major tomato-growing areas; 573 samples from southern France and 123 samples from northern France. Total RNA was extracted from each sample and analyzed using reverse transcription-polymerase chain reaction (RT-PCR). Primers specific to ToCV (2) and TICV (1,3) were used to amplify either part of the heat-shock-like protein gene HSP70h (both viruses) or part of the diverged coat protein gene (CPd), (TICV only). A 439-bp DNA fragment was obtained with ToCV primers in 178 samples from southern France collected mainly from mid-spring to ...Continue Reading

Citations

Jul 4, 2019·Molecular Plant Pathology·Elvira Fiallo-Olivé, Jesús Navas-Castillo
Apr 12, 2019·Pakistan Journal of Biological Sciences : PJBS·Aly Mohamed Mamoun Abdel-SalamRehab A Dawoud
Feb 25, 2020·Journal of Agricultural and Food Chemistry·Huanyu YangBaoan Song
Apr 17, 2020·Journal of Agricultural and Food Chemistry·Leilei RanDeyu Hu

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