Denomination: 'PPS04-205'
Botanical Name: Brassica napus
Applicant/Holder: Bayer CropScience Inc.
Site 600, R.R. #6
P.O. Box 117
Saskatoon, Saskatchewan
S7K 3J9
Breeder: Hieronim Polewicz, Bayer CropScience Inc., Saskatoon, Saskatchewan
Application Date: 2006-06-08
Application Number: 06-5497
Protective direction granted: 2006-06-08
Grant of Rights Date: 2008-05-26
Certificate Number: 3209
Exemption from compulsory licensing: Yes
Expiry date for exemption from compulsory licensing: 2010-05-26
Grant of Rights Termination Date: 2026-05-26

Variety Description

Varieties used for comparison: 'PPS98-274', 'PPS02-364' and 'Ebony'

Summary: 'PPS04-205' has a shorter beak than 'Ebony' and a shorter pedicel than 'PPS98-274'. The silique of 'PPS04-205' is shorter than 'PPS98-274', 'PPS02-364' and 'Ebony'. 'PPS04-205' matures later than 'PPS98-274' and 'PPS02-364'. The plant height at maturity of 'PPS04-205' is shorter than 'PPS98-274'. 'PPS04-205' is resistant to glufosinate ammonium herbicides while 'Ebony' is not.


PLANT: male fertile line, glufosinate ammonium resistant, spring seasonal type, medium height at maturity

COTYLEDON: medium width, medium length

LEAF: medium to dark green, few to medium number of lobes, rounded to sharp margin, medium density of shallow to medium depth dentations, medium to long length, medium width, medium to long petiole

FLOWERS: yellow, petals short to medium in length, medium to broad in width

SILIQUE: semi-erect to horizontal attitude, short to medium length, narrow to medium width, short to medium length beak, medium length pedicel

SEED: black

AGRONOMIC CHARACTERISTICS: good resistance to lodging

QUALITY CHARACTERISTICS: erucic acid 0.00% of total fatty acids, oil content 48.2% of whole dried seed, protein 23.0% of dried oil free meal, very low glucosinolates 9.7 µmol/g

DISEASE RESISTANCE: resistant to Blackleg (Leptosphaeria maculans asexual stage: Phoma lingam) and White Rust (Albugo candida, races 7a & 2v)

Origin & Breeding History: 'PPS04-205' is a restorer line (R-line in the process of F1 hybrid production). 'PPS04-205' was derived as a doubled haploid line 01-138-048 containing the Rf3 gene in a homozygous state. The cross was made in Canada in 2001 and DH line extraction was made in Canada in 2002. The pedigree of 'PPS04-205' is as follows: 00NN101109/98NN101159. 'PPS04-205' was selected in 2003 on the basis of fertility restoration of numerous male sterile lines and expression of tolerance to glufosinate-ammonium herbicide. Other selection parameters included: height, vigour, maturity, blackleg resistance, oil content, fatty acid profile, glucosinolate content and combining ability. Breeder Seed production commenced in the 2004 season.

Tests & Trials: Test and trials were conducted in Saskatoon, Saskatchewan during the summers of 2005 and 2006. There were two replications arranged in a randomized complete block design. Each plot consisted of 3 rows that were spaced 50 centimeters apart with a row length of 6 meters.

Comparison tables for 'PPS04-205' with reference varieties 'PPS98-274', 'PPS02-364' and 'Ebony'

Means are based on a two year average of 60 plant parts for silique, beak, pedicel and height characteristics. Differences are significant at the 2% probability level based on LSD values.

Silique length (mm)

  'PPS04-205' 'PPS98-274' 'PPS02-364' 'Ebony'
mean 54.6 65.7 64.3 61.6
significance N/A p less than 0.01 p less than 0.01 not significant

Beak length (mm)

  'PPS04-205' 'PPS98-274' 'PPS02-364' 'Ebony'
mean 10.5 11.9 11.9 13.0
significance N/A not significant not significant p less than 0.01

Pedicel length (mm)

  'PPS04-205' 'PPS98-274' 'PPS02-364' 'Ebony'
mean 18.0 22.9 18.6 20.0
significance N/A p less than 0.01 not significant not significant

Plant height at maturity (cm)

  'PPS04-205' 'PPS98-274' 'PPS02-364' 'Ebony'
mean 111 121 109 117
significance N/A p less than 0.01 not significant not significant

Maturity (days from planting to maturity)

  'PPS04-205' 'PPS98-274' 'PPS02-364' 'Ebony'
mean 99 96 95 98
significance N/A p less than 0.01 p less than 0.01 not significant

Click on image for larger view
Canola: 'PPS04-205' (far left) with reference varieties 'PPS98-274' (left center), 'PPS02-364' (right center) and 'Ebony' (far right)

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