Plants – Fruit – Bramble
Plant Patent
2001-01-29
2003-05-06
Campell, Bruce R. (Department: 1661)
Plants
Fruit
Bramble
Plant Patent
active
PP013759
ABSTRACT:
LATIN NAME OF THE GENUS AND SPECIES OF THE PLANT CLAIMED
Rubus hybrid
VARIETY DENOMINATION
‘Zorro’.
1. BACKGROUND OF THE INVENTION
This invention relates to a new cultivar of blackberry called ‘Zorro’. The new cultivar was developed from hybridization of the unpatented female cultivar ‘By59.2’ with the unpatented male selection ‘B46.1’. The parents were crossed in Spring 1994 whereafter fruit and seed were collected to produce seedlings for field planting in Watsonville, Calif. in 1994. The new cultivar was selected in 1996 for its good flavor and early season of ripening. The cultivar was asexually propagated in Watsonville, Calif., and reproduced true to type plants by in vitro shoot tip culture.
2. SUMMARY OF THE INVENTION
The present invention provides a new and distinct blackberry cultivar named ‘Zorro’. The variety is botanically identified as Rubus L. subgenus Rubus. The variety is a complex Rubus hybrid, which can be characterized as an erect tetraploid with considerable
R. allegheniensis
background with other species such as
R. trivialis, R. argutus
and
R. ulmifolius
also appearing in its background. The new cultivar produces a floricane crop which begins in mid-May and continues until mid-August. The new blackberry variety is distinguished from other varieties by a number of characteristics as set forth in Table 1. In particular, the new cultivar is distinguished by its early season, its low chill requirement, and its improved quality and shipping characteristics. Yield of the new cultivar is high when compared to many other varieties. There have been no observed plant or fruit diseases and no observed pest resistance or susceptibility. The variety has been developed for fresh market shipping use, and has performed well in coast-to-coast shipping tests and held up well after cold storage at 34 degrees Fahrenheit for periods of up to ten days.
3. COMPARISION TO SIMILAR VARIETIES
The variety that we believe to be similar to ‘Zorro’ from those known to us is ‘Olallie’, an unpatented variety. ‘Zorro’ is particularly different from ‘Olallie’ by being slightly later ripening, having less postharvest color reversion, having less acidic flavor, and having better fruit firmness. Further detailed comparison of ‘Zorro’ to ‘Olallie’ and ‘Chester’ is presented in Table 1.
Driscoll Strawberry Associates Inc.
Hwu June
Pennie & Edmonds LLP
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