PA7CN137

Canola

Variety Description

Varieties used for comparison: 'PA1CN131', 'PPS01-140 A-Line' and '5440'

Summary: The cotyledon and leaf of 'PA7CN137' are shorter and narrower than that of '5440'. The margins of the leaf for 'PA7CN137' are sharp whereas the margins are rounded for the reference varieties. The leaf of 'PA7CN137' has dense to very dense margin indentations whereas the leaf for the reference varieties has a low to medium density of margin indentations. 'PA7CN137' has a shorter petiole than that of '5440'. 'PA7CN137' flowers later than 'PA1CN131'. The petal of 'PA7CN137' is longer than that of 'PA1CN131' and shorter than that of '5440'. The petal of 'PA7CN137' is narrower than that of 'PPS01-140 A-Line' and '5440'. The silique of 'PA7CN137' is shorter than that of 'PPS01-140 A-Line' and '5440'. 'PA7CN137' has a longer silique beak than that of 'PPS01-140 A-Line'. The pedicel of 'PA7CN137' is shorter than that of '5440' and longer than that of 'PA1CN131' and 'PPS01-140 A-Line'. 'PA7CN137' matures later than the reference varieties. At maturity, the plant of 'PA7CN137' is shorter than that of '5440'. The seed coat of 'PA7CN137' is brown whereas it is black for 'PPS01-140 A-Line' and '5440'.

Description:

PLANT: male sterile inbred line, spring type, medium to tall at maturity

COTYLEDON: medium length, narrow to medium width

LEAF: medium green, medium to many lobes, sharp margin, dense to very dense medium to deep margin indentations, very short, narrow, very short to short petiole

FLOWER PETAL: yellow, short to medium length and width

SILIQUE: semi-erect to horizontal attitude, very short, short beak, very short to short pedicel
SEED COAT: brown

AGRONOMIC CHARACTERISTICS: medium to good resistance to lodging and shattering

QUALITY CHARACTERISTICS: erucic acid is 0.02% of total fatty acids, oil content is 50.7% of whole dried seed, protein is 47.9% of dried oil free meal, medium concentration of glucosinolates (16.1 µmol/g)

DISEASE REACTION: resistant to Blackleg (Leptosphaeria maculans asexual stage: Phoma lingam) and Clubroot (Plasmodiophora brassicae)

Origin & Breeding History: 'PA7CN137' is a male sterile line which contains the Ms8 gene construct in the heterozygous state. It was derived by crossing an inbred line containing the Ms8 gene in heterozygous state to a donor line, which was then crossed to a recurring parent in a backcrossing scheme. The initial cross was made at BASF Canada Inc. in Saskatoon, Saskatchewan in 2014. 'PA7CN137' was selected in 2017 on the basis of male sterility stability, expression of tolerance to glufosinate-ammonium herbicide and good combining ability with numerous restorer lines. Other selection parameters included vigour, maturity, blackleg resistance, clubroot resistance, oil content, fatty acid profile and glucosinolate content.

Tests & Trials: The comparative trials for 'PA7CN137' were conducted during the 2017 and 2018 growing seasons in Saskatoon, Saskatchewan. They were set up in a RCB design with 3 replications per variety. Each year, the plots consisted of 3 rows that were 6 metres in length with a spacing of 25 cm between rows and 50 cm between plots. The measured characteristics were based on 30 measurements of the cotyledon, leaf, flower and plant height and 60 measurements of the silique. The means were based on a two year average. Mean differences were significant at the 2% probability level based on LSD values.

Comparison tables for 'PA7CN137' with reference varieties 'PA1CN131', 'PPS01-140 A-Line' and '5440'

Cotyledon length (mm)

Cotyledon width (mm)

Leaf length (cm)

Leaf width (cm)

Petiole length (cm)

Days to flowering

Flower petal length (mm)

Flower petal width (mm)

Silique length (mm)

Beak length (mm)

Pedicel length (mm)

Days to maturity

Plant height at maturity (cm)

Click on image for larger view

Canola: 'PA7CN137' (left) with reference varieties 'PA1CN131' (centre left), 'PPS01-140 A-Line' (centre right) and '5440' (right)