Plum sectorial resistance to Plum pox virus is graft transmissible

Vulić, T. and Oparnica, Č. and Djordjević, B. and Kuzmanović, S. and Sta rović, M. and Ford, R. and Tošić, M. (2013) Plum sectorial resistance to Plum pox virus is graft transmissible. Acta Phytopathologica et Entomologica Hungarica, 48 (2). pp. 219-225. ISSN 0238-1249

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Abstract

Graft transmissibility of the plum sectorial resistance to Plum pox virus (PPV) was investigated. Sectorial resistance is the resistance which is manifested in a sector or portion of infected plant, where virus is not present. Sectorial resistance to PPV is exhibited in the crown or in primary shoots of the plum tree. Double budding method was applied. One bud was carrying sectorial resistance to PPV, while the other one was infected with the virus. Infection on shoots was evaluated by symptoms appearance and serological test for PPV presence.Among three plum cultivars the best results were obtained with cv. “Crvena ranka“. Sectorial resistance to PPV has been successfully transmitted by buds of “Crvena ranka“. Plum cv. “Čačanska rodna“ failed to transmit sectorial resistance. Plum cv. “Stanley“ was between those two above-mentioned plum cultivars.

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