Plants – Fruit – Stone fruit tree
Plant Patent
2002-05-01
2004-04-27
Campell, Bruce R. (Department: 1661)
Plants
Fruit
Stone fruit tree
Plant Patent
active
PP014737
ABSTRACT:
Classification:
Prunus L.
Varietal denomination: ‘Piku 1’.
BACKGROUND OF THE INVENTION
The present invention comprises a new and distinct cultivar of hybrid Prunus known by the varietal name ‘Piku 1’. The new variety was discovered in 1972 in a selective breeding program designed to produce growth reducing rootstock for cherry trees in Dresden-Pillnitz, Germany as a cross between an unnamed, unpatented variety of
Prunus avium
rootstock seedling (female parent) and an unnamed, unpatented Prunus hybrid of
Prunus canescens×Prunus tomentosa
(male parent). The new variety differs from its parents in its growth habit. The following characteristic distinguish the new variety from
Prunus avium
rootstock varieties:
1. Three-way hybrid.
2. Reduces growth in grafted varieties by 30%.
3. Precocious, about 1-3 years.
4. Higher productivity.
5. Propagated by green cuttings or tissue culture.
6. High resistance to winter frost.
7. Leaf margins roll inwards.
The new variety was first asexually reproduced via green cuttings and tissue culture in 1975 in Dresden-Pillnitz, Germany and subsequent propagation therein has confirmed that the characteristics of the new variety are stable and are transmitted to subsequent generations.
Campell Bruce R.
Consortium Deutscher Baumschulen GmbH
Para Annette H.
Webb Ziesenheim & Logsdon Orkin & Hanson, P.C.
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