Identification of Begomovirus-resistant genes TY-2 and TY-3 , its degree of homozygosis in new tomato accessions
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Abstract
one of the most dangerous Begomovirus affecting tomato
productions in Cuba. At present, several genes related to
resistance have been described. Ty-1, Ty-2 and Ty-3 are the
most widely used genes in plant breeding programs. In Cuba,
there is only one Ty-1 gene-carrier called Vyta. This work
identified the presence of the band related to Ty-2 gene resistant
pattern in two characterized materials. For Ty-3 gene, all
genotypes showed the susceptible pattern.
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