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PPS07-287

Canola

Denomination: 'PPS07-287'
Botanical Name: Brassica napus
Applicant/Holder: Bayer CropScience Inc.
Site 600, R.R. #6
P.O. Box 117
Saskatoon, Saskatchewan
S7K 3J9
Canada
Breeder: Hieronim Polewicz, Bayer CropScience Inc., Saskatoon, Saskatchewan
Application Date: 2008-07-14(priority claimed)
Application Number: 08-6406
Protective direction granted: 2008-07-14
Grant of Rights Date: 2010-02-24
Certificate Number: 3795
Date rights surrendered: 2015-02-11

Variety Description

Varieties used for comparison: 'PPS98-274', 'PPS02-364' and '5030'

Summary: 'PPS07-287' has a different leaf colour than 'PPS98-274'. The leaf margin dentations of 'PPS07-287' are not as dense and are shallower than in 'PPS98-274'. 'PPS07-287' has a shorter petiole than '5030'. 'PPS07-287' flowers later than 'PPS02-364' and '5030'. The pedicel of 'PPS07-287' is longer than in 'PPS02-364'.

Description:

PLANT: male fertile restorer line, spring seasonal type, medium to tall height at maturity

COTYLEDON: medium width, medium to long length

LEAF: dark green, medium to many lobes, rounded margin, medium density of shallow to medium depth dentations, short to medium length, medium width, short to medium length petiole

FLOWER PETALS: yellow, medium length and width

SILIQUE: erect to semi-erect attitude, medium to long length, narrow to medium width, medium to long beak, long to very long pedicel

SEED: black

AGRONOMIC CHARACTERISTICS: good resistance to lodging

QUALITY CHARACTERISTICS: erucic acid is 0.015% of total fatty acids, oil content is 49.1% of whole dried seed, protein is 25.7% of dried oil free meal, low glucosinolates (13.87 µmol/g)

HERBICIDE RESISTANCE: tolerant to glufosinate ammonium herbicides

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

Origin & Breeding History: 'PPS07-287' is a restorer line in the process of F1 hybrid production. It was derived as a doubled haploid containing the Rf3 gene in homozygous state. The initial cross occurred in 1996 in Canada with the double haploid extraction occurring in 1996/1997. 'PPS07-287' was selected in 2005 and 2006 on the basis of fertility restoration and expression of tolerance to glufosinate ammonium herbicides. Other selection criteria included height, vigour, maturity, blackleg resistance, oil content, fatty acid profile, glucosinolate content and combining ability.

Tests & Trials: Tests and trials were conducted during the summers of 2007 and 2008 in Saskatoon, Saskatchewan. Plots consisted of 3 rows, with a row length of 6 metres and a row spacing of 40 cm. There were 2 replicates arranged in a RCB design.


Comparison tables for 'PPS07-287' with reference varieties 'PPS98-274', 'PPS02-364' and '5030'

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

Days to flowering

  'PPS07-287' 'PPS98-274' 'PPS02-364' '5030'
mean 47.5 46.7 42.0 44.8

Petiole length (mm)

  'PPS07-287' 'PPS98-274' 'PPS02-364' '5030'
mean (LSD=23) 107 115 103 136
std. deviation 22 21 20 19

Pedicel length (mm)

  'PPS07-287' 'PPS98-274' 'PPS02-364' '5030'
mean (LSD=3.5) 23.6 21.9 17.5 20.5
std. deviation 2.7 2.4 2.0 1.8

Click on image for larger view
PPS07-287
Canola: 'PPS07-287' (left) with reference varieties 'PPS98-274' (centre left), 'PPS02-364' (centre right) and '5030' (right)

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