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The Effects Of Rootstock, Scion, Grafting Method And Plant Growth Regulators On Flexural Strength And Hydraulic Resistance Of Apple, Stuart W. Adams
The Effects Of Rootstock, Scion, Grafting Method And Plant Growth Regulators On Flexural Strength And Hydraulic Resistance Of Apple, Stuart W. Adams
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The apple rootstock ‘Geneva® 41’ (‘G.41’), is desirable for its resistance to fire blight, Erwinia amylovora, while producing high yields. However, ‘G.41’ and other Geneva® selections tend to form weak graft unions in the nursery that are susceptible to breaking in the wind, at harvest, or during shipment. In order to understand and remedy this graft union weakness, six scions (‘Fuji’, ‘Gala’, ‘Honeycrisp’, ‘McIntosh’, ‘Pink Lady’, and ‘Scilate’) by seven rootstocks (‘G.41’, ‘G.935’, ‘G.214’, ‘G.11’, ‘M.9-NIC 29’, ‘B.9’ and ‘EMLA 26’), by two grafting methods (chip bud and saddle graft) in a factorial design were tested for graft …