نتایج جستجو برای: tomato yellow leaf curl virus
تعداد نتایج: 538719 فیلتر نتایج به سال:
Genetic recombination is an important process during the evolution of many virus species and occurs particularly frequently amongst begomoviruses in the single stranded DNA virus family, Geminiviridae. As in many other recombining viruses it is apparent that non-random recombination breakpoint distributions observable within begomovirus genomes sampled from nature are the product of variations ...
Tomato yellow leaf curl virus (TYLCV) is one of the most well-known tomato-infecting begomoviruses and transmitted by Bemisia tabaci. Seed transmission has previously been reported for some RNA viruses, but TYLCV has not previously been described as a seed-borne virus. In 2013 and 2014, without whitefly-mediated transmission, TYLCV was detected in young tomato plants germinated from fallen frui...
To better understand the nature of resistance of tomato to the whitefly (Bemisia tabaci, B biotype)-transmitted Tomato yellow leaf curl virus (TYLCV), whiteflies and TYLCV were considered as particular cases of biotic stresses and virus resistance as a particular case of successful response to these stresses. Two inbred tomato lines issued from the same breeding program that used Solanum habroc...
Rojas, A. 2004. A complex of Begomoviruses affecting tomato crops in Nicaragua. Doctor’s dissertation ISSN 1401-6249, ISBN 91-576-6772-1 Diseases caused by begomoviruses (family Geminiviridae, genus Begomovirus) constitute a serious constraint to vegetable production in Nicaragua as they are associated with large economical losses. This thesis was done in an effort to identify and characterize ...
UNLABELLED Tomato yellow leaf curl virus (TYLCV) is a begomovirus transmitted exclusively by the whitefly Bemisia tabaci in a persistent, circulative manner. Replication of TYLCV in its vector remains controversial, and thus far, the virus has been considered to be nonpropagative. Following 8 h of acquisition on TYLCV-infected tomato plants or purified virions and then transfer to non-TYLCV-hos...
Several different accessions of S. chilense have been used as sources of begomovirus resistance genes. Zamir et al. (1994) used LA1969 as a source of Ty-1 gene in chromosome 6 (ca. 8 cM). LA1969 was also the source of resistance against Tomato yellow leaf curl virus (TYLCV) for new lines developed in Cuba (Piňón et al., 2005). Scott and his team (Agrama and Scott, 2006; Scott, 2001; Scott et al...
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