Patterns of development of advanced clonal apple rootstocks of the Michurinsk State Agrarian University selection in the mother plantationMaxim L. Dubrovsky, Andrey V. Kruzhkov, Nataliya L. Churikova, Roman V. Papikhin and Galina S. UsovaBIO Web Conf., 23 (2020) 01004DOI: https://doi.org/10.1051/bioconf/20202301004