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UGRC Ring

Wheat

Denomination: 'UGRC Ring'
Botanical Name: Triticum aestivum
Applicant/Holder: University of Guelph
Research Innovation Office
Building #92, 50 Stone Road East
Guelph, Ontario
N1G 2W1
Canada
Breeder: Ljiljana Tamburic-Ilincic, University of Guelph, Ridgetown Campus, Ridgetown, Ontario
Application Date: 2016-04-20
Provisional Protection:: 2016-04-20
Application Number: 16-8897
Grant of Rights Date: 2019-01-17
Certificate Number: 5904
Grant of Rights Termination Date: 2039-01-17

Variety Description

Varieties used for comparison: 'CM249', 'WB425' and '25R34'

Summary: The plant growth habit for 'UGRC Ring' is semi-erect to semi-prostrate while it is erect to semi-erect for 'WB425'. The flag leaf of 'UGRC Ring' is wider than that of 'WB425' and '25R34'. The flag leaf sheath of 'UGRC Ring' has strong to very strong glaucosity while the flag leaf sheath of the reference varieties have medium glaucosity. The plants of 'UGRC Ring' are taller than those of 'CM249', WB425' and '25R34'. The glaucosity of the spike for 'UGRC Ring' is absent to weak while it is medium to strong for 'CM249'. The convex surface of the apical rachis segment of the spike for 'UGRC Ring' has absent to sparse hairiness while it is of medium hairiness for '25R34'. The lower glume shoulder for 'UGRC Ring' is narrow while it is of medium width for 'CM249' and '25R34'. The lower glume beak for 'UGRC Ring' is of medium length while it is very long for 'WB425' and short for '25R34'. The lower glume beak of 'UGRC Ring' is moderately curved while it is slightly curved for 'CM249' and 'WB425' and straight for '25R34'.

Description:

PLANT: common soft red winter wheat, intermediate growth habit at the 5 to 9 tiller stage, high frequency of plants with recurved flag leaves, heads mid-season, matures mid-season

SEEDLING (4-leaf stage): absent or very weak intensity of anthocyanin colouration of coleoptile, glabrous sheath and blade of lower leaves

FLAG LEAF: absent or very weak intensity of anthocyanin colouration of the auricles, strong to very strong glaucosity of the sheath, glabrous blade and sheath

CULM NECK: slightly curved, strong glaucosity
STRAW (AT MATURITY): thin pith in cross section

SPIKE: absent to weak glaucosity at heading, tapering in profile, medium density, brown at maturity, inclined attitude, hairiness of the convex surface of the apical rachis segment is absent
AWNS: shorter in length than spike, light brown at maturity
LOWER GLUME: medium in length and width, glabrous, medium extent of internal hairs
LOWER GLUME SHOULDER: narrow, slightly sloping
LOWER GLUME BEAK: medium to long, moderately curved
LOWEST LEMMA: straight beak

KERNEL: light red, medium to large in size, medium in width and length, oval, rounded cheek, medium length brush hairs
GERM: medium in size, round, deep crease of medium width

Origin & Breeding History: 'UGRC Ring' (experimental designation 'UGRC C2-line 78') originated from the cross between 'ADV Dyno' and 'Pioneer 25R47', conducted at the University of Guelph, Guelph, Ontario. It was selected from amongst 110 double-haploid lines developed from the F1 seed, based on agronomic properties, quality, yield and disease resistance. Breeder seed was produced when 600 uniform heads were hand harvested and bulked at maturity in 2012. 'UGRC Ring' was further tested as 'UGRC C2-line 78' in Ontario Cereal Crop Committee trials from 2013 to 2017.

Tests & Trials: The comparative trials for 'UGRC Ring' were conducted at La Coop fédérée in Saint-Hyacinthe, Quebec, during the 2016 and 2017 growing seasons. Plots consisted of 7 rows, each 5 metres long with an inter-row spacing of 0.375 metres. There were 3 replications per variety arranged in an RCB design. Measured plant characteristics were based on a minimum of 20 measurements per variety per year. Mean differences are significant at the 5% probability level based on a paired Student's t-test.


Comparison tables for 'UGRC Ring' with reference varieties 'CM249', 'WB425' and '25R34'

Flag leaf width (cm)

  'UGRC Ring' 'CM249' 'WB425' '25R34'
mean (2016) 1.44 1.43 1.35 1.30
std. deviation (2016) 0.08 0.09 0.11 0.09
mean (2017) 1.41 1.27 1.33 1.26
std. deviation (2017) 0.13 0.15 0.11 0.17

Plant height at maturity (including awns) (cm)

  'UGRC Ring' 'CM249' 'WB425' '25R34'
mean (2016) 98.45 94.90 95.65 84.45
std. deviation (2016) 3.95 3.11 2.89 2.63
mean (2017) 100.20 97.00 97.45 93.35
std. deviation (2017) 3.83 5.28 4.07 4.77

Click on image for larger view
UGRC Ring
Wheat: 'UGRC Ring' (left) with reference varieties 'CM249' (centre left), 'WB425' (centre right) and '25R34' (right)

Click on image for larger view
UGRC Ring
Wheat: 'UGRC Ring' (left) with reference variety 'WB425' (right)

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