PA7CN126

Canola

Variety Description

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

Summary: The cotyledon of 'PA7CN126' is shorter and narrower than that of '5440' and longer than that of 'PPS01-140 A-Line'. The leaf of 'PA7CN126' is shorter and narrower than that of '5440'. 'PA7CN126' has a shorter petiole than that of '5440'. The petal of 'PA7CN126' is shorter and narrower than that of 'PPS01-140 A-Line' and '5440'. The silique attitude of 'PA7CN126' is erect to semi-erect whereas the attitude is semi-erect to horizontal for 'PPS01-140 A-Line' and horizontal for '5440'. The silique and pedicel of 'PA7CN126' are shorter than that of '5440'. The silique of 'PA7CN126' has a shorter beak than 'PA1CN131' and a longer beak than 'PPS01-140 A-Line'. 'PA7CN126' matures later than 'PA1CN131' and 'PPS01-140 A-Line'. At maturity, the plant of 'PA7CN126' is shorter than that of '5440'. The seed coat of 'PA7CN126' 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: light to medium green, few lobes, rounded margin, medium density of shallow to medium depth margin indentations, very short to short, narrow, very short to short petiole

FLOWER PETAL: yellow, short to medium length and width

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

AGRONOMIC CHARACTERISTICS: medium to good resistance to lodging, good resistance to shattering

QUALITY CHARACTERISTICS: erucic acid is 0.03% of total fatty acids, oil content is 49.5% of whole dried seed, protein is 45.1% of dried oil free meal, medium concentration of glucosinolates (17.2 µmol/g)

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

Origin & Breeding History: 'PA7CN126' 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. 'PA7CN126' 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, seed pod shattering resistance, oil content, fatty acid profile and glucosinolate content.

Tests & Trials: The comparative trials for 'PA7CN126' 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 'PA7CN126' 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)

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: 'PA7CN126' (left) with reference varieties 'PA1CN131' (centre left), 'PPS01-140 A-Line' (centre right) and '5440' (right)