PPS97-126 B-Line

Canola

Denomination: 'PPS97-126 B-Line'
Botanical Name: Brassica napus
Applicant/Holder: Bayer CropScience Inc.
Site 600, R.R. #6
P.O. Box 117
Saskatoon, Saskatchewan
S7K 3J9
Canada
Breeder: Leigh-Ann Wilkes, Bayer CropScience Inc., Saskatoon, Saskatchewan
Application Date: 1999-06-10
Application Number: 99-1694
Grant of Rights Date: 2003-02-25
Certificate Number: 1429
Exemption from compulsory licensing: Yes
Expiry date for exemption from compulsory licensing: 2005-02-25
Grant of Rights Termination Date: 2021-02-25

Variety Description

Varieties used for comparison: 'Ebony', '2273', 'N90-933' and 'Westar'

Summary: 'PPS97-126 B-line' has a shorter silique than 'Westar'. The beak of 'PPS97-126 B-line' is shorter than 'Ebony'. 'PPS97-126 B-line' is not resistant to glufosinate ammonium herbicide while '2273' is. 'PPS97-126 B-line' is moderately resistant to blackleg (Leptosphaeria maculans) while 'Westar' is highly susceptible.

Description:

'PPS97-126 B-line' is the male fertile maintainer line of the female line 'PPS97-126 A-line'. The cotyledons are medium to wide in width. Leaf blades are medium green to dark green with few to medium number of rounded lobes which are very shallow to shallow in depth. 'PPS97-126 B-line' has yellow flower petals. The siliques are very short to short with a short beak and pedicel length. The plants are short to medium in height. The seed is black in colour. There are trace amounts of erucic acid, and very low glucosinolates.

Origin & Breeding History: 'PPS97-126 B-line' is a male fertile maintainer canola line. 'PPS97-126 B-line' maintains male sterile line 'PPS97-126 A-line' 'PPS97-126' was derived from the cross performed in Canada in 1994 subsequently to a transformation program at the facilities of Plant Genetic Systems N.V. of Ghent, Belgium. The pedigree of 'PPS97-126' is PGS 94CGH070 x PGS 94CGH073. 'PPS97-126' was developed by the pedigree method. 'PPS97-126' was selected in 1996 on the basis of male sterility expression and tolerance to glufosinate ammonium herbicide. Additional selection criteria were height, vigour, maturity, oil content, fatty acid profile, glucosinolate content and combining ability.

Tests & Trials: Tests and trials of 'PPS97-126 B-line' were conducted at Saskatoon, Saskatchewan during the summers of 2000 and 2001. Trials were arranged in 2 replicates which were randomized with each plot measuring 6 metres x 1.5 metres with 3 rows per plot.

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