Evaluation of different peach genotypes for resistance to Plum pox virus strain M: preliminary results
Pasquini, G.; Ferretti, L.; Gentili, A.; Campus, L.; Verde, I.; Micali, S.; Conte, L.; Barba, M.
Proceedings of 21st International Conference on Virus and other Graft Transmissible Diseases of Fruit Crops
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Different responses to the experimental inoculation with a PPV-M isolate were observed in peach germplasm derived
from crosses between Prunus persica and peach related species showing resistance to several pathogens. The response
evaluation was performed by correlating the phenotypic analysis with serological and molecular tests.
Twenty-one individuals, asymptomatic and with low concentration of the virus inside the leaf tissues, have been
selected. This germplasm can be considered ‘highly tolerant’ or ‘resistant’ and must be submitted to further