Aspects of the production of planting material from lignified cuttings using frameless film microcoatsМ. A. Mekhedov, R. A. Filippov, A. A. Tsymbal and I. I. ChukhlyaevE3S Web Conf., 285 (2021) 07032DOI: https://doi.org/10.1051/e3sconf/202128507032