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| Authors: | N. SJOMINA, T. BIVOL |
Abstract:
Studies in central USSR on the incompatibility of apple varieties with Malus prunifolia (Willd.) Borkh., M. pallasiana Lur,and M. cerasifera Spach, seedlings showed similarities between morphological and anatomical disorders in the rootstocks and some changes in Virginia crab stems affected by stem pitting and stem grooving viruses.
The incidence of apple latent viruses in some varieties and their role in the incompatibility have been studied.
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