in cherry (Cerasus avium L.) breeding, the upmost task is to reduce the large size of the tree canopy. Thus the ideal cherry rootstock should be able to reduce the size of the scion, be easy to root, and be resistant to biotic and abiotic soil stresses. Thus, transgenic rootstocks Colt (Prunus avium x P. pseudo-cerasus) and Mazzard F12/1 (P. avium L.) with increased rooting ability were produced after inoculation with Agrobacterium rhizogenes as reported by Gutierrez-Pesce et al. (1998).
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