Skip to content
The Patent Garden

US Plant Patent PP19981

8909-05

Nematode resistant grape rootstock ‘8909-05’

UNDER PATENT

Still under patent. Protection ends January 15, 2028.

No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

Figure 1 of US plant patent PP19981, the photograph of 8909-05 printed in the patent.
Figure 1 from US Plant Patent PP19981, reproduced as printed. Photographs in a plant patent are taken by the applicant. Reproduction of the patent document is permitted; the image is shown whole and uncropped for that reason.

The record

Patent number
PP19981
Filed
January 15, 2008
Granted
May 12, 2009
Expires
January 15, 2028
Assignee
UNIV CALIFORNIA
Inventor
WALKER ANDREW; EVERIST KIM

Abstract

Rootstock ‘8909-05’ is a cross of Vitis rupestris ‘A. de Serres’× Muscadinia rotundifolia ‘Cowart’. This invention relates to a new and distinct variety of grape rootstock with resistance to a broad array of soil-borne nematodes including root-knot, dagger, citrus, lesion, and ring nematodes. The rootstock also resists grape phylloxera. Rootstock ‘8909-05’ is one of the rare sources of resistance to ring nematode. The rootstock has extremely strong and broad nematode resistance.

Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.

1. A novel and distinct variety of grape rootstock designated ‘8909-05’ having the characteristics described and illustrated herein.

Read the full patent: US Plant Patent PP19981 in full — the complete specification, every figure, and the file history.