`Everthornless` blackberry

Details `Everthornless` blackberry `Everthornless` blackberry

1995-02-17

1995-12-26

Feyrer, James R.

Plants

Rose

Climber

A01H 500

Patent

active

PP0094072

ABSTRACT:
This invention relates to a new and distinct trailing thornless blackberry cultivar named `Everthornless`, which is an ex vitro somaclonal variant of the `Thornless Evergreen` cultivar of Rubus laciniatus Willd., that has good fruit yield and produces thornless, not thorny, shoots from its roots.

REFERENCES:
patent: PP4094 (1977-08-01), Doyle
patent: PP6101 (1988-02-01), Smith
patent: PP6105 (1988-02-01), Cox
patent: PP6678 (1989-03-01), Moore
patent: PP6679 (1989-03-01), Moore
K. McPheeters and R. M. Skirvin (1983), "Histogenic Layer Manipulation in Chimeral `Thornless Evergreen` Trailing Blackberry", Euphytica 32 351-360.
Abstract 203, Session 34 (Jun. 1981) HortScience 16(3):426.
K. McPheeters and R. M. Skirvin (1989), "Somaclomal Variations Among Ex Vitro `Thornless Evergreen` Trailing Blackberries", Euphytica 42: 155-162.
Master Thesis of Kenneth Dale McPheeters, Entitled Histogenic Layer Manipulation in Chimeral `Thornless Evergreen` Trailing Blackberry, 1981.
Ph.D. Thesis of Kenneth Dale McPheeters, Entitled Stability of `Thornless Evergreen` Blackberry In Vitro and Ex Vitro, 1985.

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