Denomination: 'ZF05-196'
Trade name: Jam Session
Botanical Name: Vaccinium corymbosum
Applicant/Holder: Fall Creek Farm & Nursery, Inc.
39318 Jasper-Lowell Road
Lowell, Oregon
United States of America
Breeder: David M. Brazelton, Walterville, United States of America
Adam L. Wagner, Eugene, United States of America
Agent in Canada: Expert Agriculture Team Ltd.
46420 Prairie Central Road
Chilliwack, British Columbia
V2P 6H3
Tel: 604-795-2537
Application Date: 2012-03-26
Application Number: 12-7577
Grant of Rights Date: 2016-11-12
Certificate Number: 5374
Grant of Rights Termination Date: 2036-11-12

Variety Description

Varieties used for comparison: 'Liberty' and 'Duke'

Summary: The leaf of 'ZF05-196' is larger than the leaf of 'Liberty'. The leaf margin for 'ZF05-196' is entire whereas it is serrate for 'Liberty'. 'ZF05-196' has an inflorescence that is longer than that of both reference varieties. The corolla tube of 'ZF05-196' is large whereas it is medium in size for 'Liberty'. 'ZF05-196' fruit is large to very large whereas the fruit is medium to large for 'Duke'. The sepal of 'ZF05-196' is straight with an erect attitude whereas the sepal for 'Liberty' is incurving with a semi-erect attitude. The fruit of 'ZF05-196' has high sweetness and low to medium acidity whereas the fruit of 'Liberty' has low to medium sweetness and low acidity. Fruit ripening on one-year-old shoots begin mid-season for 'ZF05-196' whereas it begins very early to early for 'Duke'.


PLANT: strong vigour, upright growth habit, flowers and fruits on one-year-old shoots only, flowering begins early to mid-season, fruit ripening begins mid-season
ONE-YEAR-OLD SHOOT: green and greenish red, long internode length

LEAF: medium length to width ratio, elliptic shape, dark green on upper side, entire margin

COROLLA: urceolate shape
CORROLA TUBE: large with ridges, absent or very weak intensity of anthocyanin colouration

FRUIT: medium to dense fruit cluster, medium intensity of green on unripe fruit, large to very large, oblate shape in longitudinal section, sepals straight with erect attitude, shallow calyx basin, medium bloom intensity, dark blue skin, firm to very firm, high sweetness, low to medium acidity

Origin & Breeding History: 'ZF05-196' arose from a cross between 'Duke' (female parent) and 'Legacy' (male parent) made in 2002 in Lowell, Oregon. From the resulting progeny, 'ZF05-196' was selected in 2005 for its vigour, length of fruit cluster, and taste.

Tests & Trials: The comparative trials for 'ZF05-196' were conducted by Expert Agriculture Team Ltd., in Chilliwack, British Columbia during the 2015 growing season. The plots were planted in the spring of 2014 in a randomized complete block design. Each variety consisted of 3 replicates with 3 plants per replicate for a total of 9 plants of each variety. Plants were spaced approximately 60 centimetres apart within rows and 3 metres between rows. Measurements were taken from 9 plants or parts of plants of each variety. Mean differences were significant at the 5% confidence probability level based on a paired Student's t-test.

Comparison tables for 'ZF05-196' with reference varieties 'Liberty' and 'Duke'

Leaf length (cm)

  'ZF05-196' 'Liberty' 'Duke'
mean 6.05 5.15 5.98
std. deviation 0.614 0.533 0.495

Leaf width (cm)

  'ZF05-196' 'Liberty' 'Duke'
mean 3.43 2.94 3.23
std. deviation 0.552 0.439 0.473

Inflorescence length (cm)

  'ZF05-196' 'Liberty' 'Duke'
mean 1.79 1.56 1.58
std. deviation 0.097 0.161 0.089

Click on image for larger view
Blueberry: 'ZF05-196' (top) with reference varieties 'Liberty' (centre) and 'Duke' (bottom)

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