US Plant Patent PP10714
M9-RN29
Apple tree named `M9-RN29`
PUBLIC DOMAIN
Patent expired December 8, 2015. This plant is in the public domain — anyone may propagate and sell it.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.
The record
- Patent number
- PP10714
- Filed
- December 15, 1992
- Granted
- December 8, 1998
- Expires
- December 8, 2015
- Assignee
- RENE NICOLAI N V FRUITBOOMWEKE
- Inventor
- NICOLAI RENE
Abstract
This invention relates to a new and distinct apple tree rootstock clone which is useful as a size controlling rootstock. The new clone originated as a mutation of Malling 9 (M9), an unpatented dwarfing apple rootstock. Standard growing apple cultivars propagated on this new rootstock are approximately 65% of the size of like apple trees growing on seedling rootstocks. Compared to its M9 parent, this new clone produces many more and larger lateral branches, has more sharply serrated leaves which are more pale yellow-green in color. The clone is also more vigorous and produces a large number of rooted plants in a given area of stoolbed.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct apple tree clone, a sport of the Malling 9, referred to by the cultivar designation `M9-RN29`, substantially as herein shown and described, characterized particularly by its ability to serve as a root-stock for grafting of apple tree cultivars to produce dwarf apple trees and by its ability to root very readily in the stoolbed and produce high quality stoolbed rootstock plants for nursery use.
Read the full patent: US Plant Patent PP10714 in full — the complete specification, every figure, and the file history.