Citrus tristeza virus (CTV) (genus Closterovirus, family Closteroviridae) causes some of the more important viral diseases of citrus worldwide. The ability to map disease-inducing determinants of CTV is needed to develop better diagnostic and disease control procedures. A distinctive phenotype of some isolates of CTV is the ability to induce seedling yellows (SY) in sour orange, lemon and grape...

In Bangladesh, citrus is an important fruit crop that becoming more commonly cultivated in commercial plantations. March 2019, we observed yellowing, vein clearing, and mild mosaic symptoms citron (Citrus medica). Based on systematic serological molecular analyses of the symptomatic leaf samples, Citrus tristeza virus (CTV) was identified. To best our knowledge, this first report CTV any Bangla...

The 2000 x 11 nm long bipolar flexuous filamentous particles of Citrus tristeza virus (CTV) (genus Closterovirus, family Closteroviridae) (Figure 1) contain a single-stranded positive-sense RNA genome of 19.3 kb, which is encapsidated in two different capsid proteins that coat the opposite ends of the virions [1, 2]. CTV is the largest identified RNA virus infecting plants and the second larges...

Citrus is a major fruit crop with economic importance worldwide, citriculture historically threatened at times by diverse array of pathogens. As leading producer and exporter, Argentina has been dealing endemic quarantine diseases citrus implementing conventional management strategies. In recent decades, the pursuit pathogen-resistant transgenic explored in country as part long-term sustainable...

Abstract Citrus tristeza virus (CTV) is found worldwide wherever citrus cultivated, causing disease resulting in significant yield losses and sometimes the death of plant. Transgenic plants encoding CTV gene sequences have shown to exhibit pathogen-derived resistance CTV. Exogenous application double-stranded RNA (dsRNA) an established strategy for plant control, making this method attractive a...

Citrus tristeza virus (CTV) is the causal agent of tristeza disease, which is one of the most devastating diseases of citrus crops worldwide. This paper describes a method for the rapid detection and genotyping of naturally spreading CTV isolates. This method uses ELISA or dot-blot immunological tests to detect trees infected with CTV. The reaction wells or membrane spots for which there is a p...