201x Filetype PDF File size 2.83 MB Source: floriculture.hort.sziu.hu
Types and Application of Grafting by Veronika Szabó PhD Terminology of Grafting Rootstock: The plant with root (or later rooting) what will be grafted scion. Cultivar: The plant (in general cultivar) what will be propagated for its fruits or its ornamental worth. Grafting: It is a mechanical procedure to connect two (or more) pieces of living plant tissue together what grow and develop as one composite plant. Scionwood: It is one-year-old woody shoot which cut in dormancy (in early winter) for propagation by grafting. Scion: It is a short piece of detached scionwood for grafting. Its cutting surface fits the cutting surface of rootstock. Budwood: It is an actively growing, vigorous shoot of cultivar with healthy vegetative buds in leaf axils for budding. Bud: It is a small organ on stem developing flower or shoot. The propagation by budding requires vegetative bud. Bud piece: It is an oval piece of cultivar shoot containing more or less woody tissue. (It is called bud chip at chip budding or shield piece at T-budding.) Budding: It is a one-bud grafting. Why do we use grafting? • xenovegetative propagation (no more other propagation method for multiple plants) • advantageous combination in one grafted plant • special crown form (pendula, global etc.) • shape-trees • rejuvenate of tree • virus-test • regrafting • repair grafting (an injured bark bridging)
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