Denomination: 'Orinoco'
Botanical Name: Brassica napus
Applicant/Holder: Lantmännen SW Seed AB
Onsjövägen 13
SE-268 81
Breeder: Lantmännen SW Seed AB, Svalöv, Sweden
Agent in Canada: Lantmännen SW Seed Ltd.
510 Blackthorn Crescent
Saskatoon, Saskatchewan
S7V 1A8
Tel: 306-955-9620
Application Date: 2008-01-22
Application Number: 08-6136
Grant of Rights Date: 2011-03-31
Certificate Number: 4054
Grant of Rights Termination Date: 2029-03-31

Variety Description

Variety used for comparison: 'Defender'

Summary: 'Orinoco' has deeper leaf margin dentations than 'Defender'. The beak of 'Orinoco' is longer than that of 'Defender'.


PLANT: short to medium height at maturity

COTYLEDON: medium width

LEAF: blue green, few to medium number of lobes, sharp margin, medium to deep dentations, medium length, narrow width


SILIQUE: short, medium length beak, medium to long pedicel

SEED: black

AGRONOMIC CHARACTERISTICS: good resistance to lodging

QUALITY CHARACTERISTICS: erucic acid is 0.0 % of total fatty acids, medium glucosinolates

Origin & Breeding History: 'Orinoco' (experimental designation SW F2800) was developed using the pedigree breeding method by Svalof Weibull AB. Svalov, Sweden. The cross occurred in 1994, with the selection criteria being double low quality for erucic acid and glucosinolates, early flowering and maturity, stalk stiffness, Blackleg resistance, high content of oil and protein and yield.

Tests & Trials: Trials were conducted during the summers of 2007 and 2009 in Elora, Ontario. Plots consisted of 4 rows with a row length of 5 meters and a row spacing of 36 centimeters. There were 2 replicates.

Comparison tables for 'Orinoco' with reference variety 'Defender'

Means are based on a two year average of 40 measurements for cotyledon characteristics, 30 for plant height, leaf characteristics and 60 plant parts for silique, beak and pedicel characteristics. Differences are significant at the 1% probability level based on LSD values.

Beak length (mm)

  'Orinoco' 'Defender'
mean (LSD=1.4081) 11.21 9.69
std. deviation 4.15 3.73

Click on image for larger view
Canola: 'Orinoco' (right) with reference variety 'Defender' (left)

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