PPS97-126 A-Line


Denomination: 'PPS97-126 A-Line'
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: 2000-05-18
Application Number: 00-2274
Protective direction granted: 2000-05-18
Grant of Rights Date: 2003-02-25
Certificate Number: 1431
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 A-line' has narrower cotyledons than '2273' and 'N90-933'. 'PPS97-126 A-line' flowers later than 'N90-933' and has a narrower flower petal than '2273'. 'PPS97-126 A-line' has anther sterility while the reference varieties do not. 'PPS97-126 A-line' has a shorter beak than 'Ebony' and shorter pedicel length than 'Ebony' and 'Westar'. 'PPS97-126 A-line' has glufosinate ammonium herbicide tolerance while 'Ebony', 'N90-933', and 'Westar' do not.


'PPS97-126 A-line' is a male sterile canola line containing the Barnase gene which confers male sterility. The cotyledons are medium in width. Leaf blades are medium green with few number of sharp lobes which are very shallow to shallow in depth. 'PPS97-126 A-line' has yellow flower petals. The siliques are very short to short in length with a short beak and pedicel length. The plants are short to medium in height. The seed colour is black. There are trace amounts of erucic acid and very low glucosinolates.

Origin & Breeding History: 'PPS97-126 A-line' was derived from a cross performed in Canada 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 A-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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