Patent ID: 11963495
Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
Field: Food chemistry (Chemistry)
Classification: CPC A | IPC A

Claim 18:
19. A method of introducing at least one new trait into a plant of lettuce variety 45-IC1607 RZ comprising:
(a) crossing the plant as claimed in claim 2, a sample of seed of which having been deposited under NCIMB Accession No. 43855, with a second lettuce plant that comprises at least one new trait to produce progeny seed,
(b) harvesting and planting the progeny seed to produce at least one progeny plant of a subsequent generation, wherein the progeny plant comprises the at least one new trait,
(c) crossing the progeny plant with a plant of lettuce variety 45-IC1607 RZ to produce backcross progeny seed,
(d) harvesting and planting the backcross progeny seed to produce a backcross progeny plant, and
(e) repeating steps (c) and (d) for at least three additional generations to produce a lettuce plant of variety 45-IC1607 RZ comprising at least one new trait and all of the physiological and morphological characteristics of a plant of lettuce variety 45-IC1607 RZ, when grown in the same environmental conditions.