نتایج جستجو برای: leaf curl
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The family Geminiviridae comprises seven genera differentiated by genome organization, sequence similarity, and insect vector. Capulavirus, an eighth genus, has been proposed to accommodate two newly discovered highly divergent geminiviruses that presently have no known vector. Alfalfa leaf curl virus, identified here as a third capulavirus, is shown to be transmitted by Aphis craccivora. This ...
The Middle East is a major producer of both processing and fresh market tomatoes (Solanum lycopersicum); and tomatoes are a main component of the local cuisines. Since Tomato yellow leaf curl disease was first reported in Israel in the early 1950s, it has become one of the major, if not the most important, constraint to production (see historical perspective in Part I, Chapter 1). This disease ...
RNA silencing is a conserved mechanism in plants that targets viruses. Viral small RNAs (vsiRNAs) can be generated from viral double-stranded RNA replicative intermediates within the infected host, or from host RNA-dependent RNA polymerases activity on viral templates. The abundance and profile of vsiRNAs in viral infections have been reported previously. However, the involvement of vsiRNAs dur...
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