US Plant Patent PP27643
G.814
Apple tree rootstock named ‘G.814’
UNDER PATENT
Still under patent. Protection ends September 17, 2034.
Twenty years from the filing date would end on May 20, 2034. This patent earned 120 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP27643
- Filed
- May 20, 2014
- Granted
- February 7, 2017
- Expires
- September 17, 2034
- Assignee
- US AGRICULTURE, UNIV CORNELL
- Inventor
- FAZIO GENNARO; ROBINSON TERENCE LEE; ALDWINCKLE HERBERT SANDERS; CUMMINS JAMES
Abstract
The present invention relates to a new and distinct variety of apple tree named ‘G.814’. ‘G.814’ is useful in that it can be propagated clonally and used as a rootstock or root system for apple trees as well as for interstems of apple trees. When used as a rootstock, ‘G.814’, is: dwarfing, induces scion precocity, is cold hardy, induces scion precocity, has a high yield efficiency, is tolerant to replant disease, and is resistant to: crown and root rot ( Phytophthora cactorum ), fire-blight ( Erwinia amylovora ), and powdery mildew. ‘G.814’ is susceptible to Apple Stem Grooving Virus (ASGV) and wooly apple aphid.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
We claim: 1. A new and distinct variety of apple tree named ‘G.814’ as herein described and illustrated.
Read the full patent: US Plant Patent PP27643 in full — the complete specification, every figure, and the file history.