Apple tree named `M9-RN19`
AssigneeRene Nicolai N.V. Fruitboomwekerij
InventorRene Nicolai
Life of this patent
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Abstract
This invention relates to a new and distinct apple tree rootstock clone that originated as a mutation of Malling 9 (M9). Standard growing apple cultivars propagated on this new rootstock are approximately 65% of the size of like apple trees growing on apple seedling rootstocks. Compared to its M9 parent, this new clone produces many more and larger lateral branches, has leaves with acute tips and has more sinuate serrations. The clone is also more vigorous and produces a larger number of rooted plants in a given area of stoolbed.
Claims1
A new and distinct apple tree clone, a sport of the Malling 9, referred to by the cultivar designation `M9-RN19`, substantially as herein shown and described, characterized particularly by its stability to serve as a rootstock for grafting of apple tree cultivars to produce dwarf apple trees and by its ability to root very readily in the stoolbed with very little lateral branching and produce high quality stoolbed rootstock plants for nursery use.
Dependencies are inferred from the claim text.