Maida
| Denomination: | 'Maida' |
|---|---|
| Botanical Name: | Triticum aestivum |
| Applicant/Holder: |
Céréla inc. 1133 4e rang St-Hugues, Quebec J0H 1N0 Canada |
| Breeder: |
Annie Archambault, Céréla inc., St-Hugues, Quebec |
| Application Date: | 2017-12-01 |
| Provisional Protection:: | 2017-12-01 |
| Application Number: | 17-9339 |
| Grant of Rights Date: | 2019-09-19 |
| Certificate Number: | 6066 |
| Grant of Rights Termination Date: | 2039-09-19 |
Variety Description
Varieties used for comparison: 'Memphré', 'AAC Synox' and 'Toundra'
Summary: The anthocyanin colouration of the flag leaf auricle for 'Maida' is absent or very weak to weak whereas it is of medium intensity for 'AAC Synox' and of medium to strong intensity for 'Toundra'. At booting, the flag leag of 'Maida' is wider than the flag leaf of 'Toundra'. The plants of 'Maida' head earlier than those of 'AAC Synox' and 'Toundra'. The glaucosity of the spike for 'Maida' is of a medium degree whereas it is weak for 'Memphré'. At maturity, the plants of 'Maida' are taller than those of 'Memphré' and 'AAC Synox'. The spike of 'Maida' is shorter than those of 'AAC Synox' and 'Toundra'. The lower glume for 'Maida' is narrow to medium in width whereas it is medium to wide for 'AAC Synox'. The lower glume shoulder is narrow and straight for 'Maida' whereas it is of medium width and slightly sloping for 'AAC Synox'. The plants of 'Maida' mature earlier than those of 'AAC Synox' and 'Toundra'. The thousand kernel weight is greater for 'Maida' than that of 'Memphré' and 'AAC Synox'.
Description:
PLANT: common hard red spring wheat, erect to semi-erect growth habit at the 5 to 9 tiller stage, matures mid-season to late in season
SEEDLING (4-leaf stage): absent or very weak intensity of anthocyanin colouration of the coleoptile, glabrous sheath and blade of lower leaves
FLAG LEAF: absent or very weak to weak intensity of anthocyanin colouration of auricles, medium to strong glaucosity of sheath
CULM: straight to very slightly curved neck
STRAW (AT MATURITY): very thin to thin pith in cross section
SPIKE: medium glaucosity at heading, tapering to fusiform in profile, medium density, white at maturity, medium hairiness of convex surface of apical rachis segment
AWNS: equal in length to longer than spike
LOWER GLUME: narrow to medium width, pubescent
LOWER GLUME SHOULDER: medium width, straight
LOWER GLUME BEAK: short to medium, slightly curved
KERNEL: medium red, broad elliptical, angular cheek, medium length brush hairs, shallow to medium depth of crease
GERM: medium sized from dorsal view
Origin & Breeding History: 'Maida' (experimental designations BS10-759 and C1M17174) originated from the cross 'AC Walton' // FE 20 / BS97-332 /// 'AC Walton' conducted at Céréla Research Station Inc. in St. Hugues, Quebec, Canada in 2002. The F1 to F5 generations were mass cultivated in Ste. Rosalie Quebec from 2003 to 2007 where seed selections were made based on grain density at each generation. Spikes were selected from the F5 plants in 2009 and planted in single rows. F6 individual rows were selected on the basis of disease resistance and performance. The line designated as 'BS10-759' was initially evaluated in screening trials based on yield, lodging and disease resistance from 2011 to 2014 and further evaluated in registration trials conducted by the Reseau Grandes Cultures du Québec in 2015 and 2016.
Tests & Trials: The comparative trials for 'Maida' were conducted at Céréla Inc. in St-Hugues, Quebec, during the 2017 and 2018 growing seasons. Plots consisted of 5 rows, each row 5 metres long with an inter-row spacing of 0.19 metres. The seeding density was approximately 425 seeds per squared metre. There were 2 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 'Maida' with reference varieties 'Memphré', 'AAC Synox' and 'Toundra'
Flag leaf width (mm)
| 'Maida' | 'Memphré' | 'AAC Synox' | 'Toundra' | |
|---|---|---|---|---|
| mean 2017 | 14.6 | 13.5 | 13.1 | 11.1 |
| std. deviation 2017 | 3.7 | 4.4 | 3.5 | 2.5 |
| mean 2018 | 13.6 | 13.4 | 13.6 | 12.2 |
| std deviation 2018 | 1.6 | 1.3 | 1.3 | 1.1 |
Days to heading (50% heads fully emerged)
| 'Maida' | 'Memphré' | 'AAC Synox' | 'Toundra' | |
|---|---|---|---|---|
| 2017 | 53 | 52 | 48 | 47 |
| 2018 | 52 | 51 | 48 | 47 |
Plant height (at maturity) (including awns) (cm)
| 'Maida' | 'Memphré' | 'AAC Synox' | 'Toundra' | |
|---|---|---|---|---|
| mean 2017 | 118 | 116 | 104 | 118 |
| std. deviation 2017 | 1.8 | 2.8 | 4.1 | 4.7 |
| mean 2018 | 89.1 | 85.4 | 81.2 | 90.2 |
| std deviation 2018 | 3.5 | 4.5 | 2.7 | 3.4 |
Spike length (cm)
| 'Maida' | 'Memphré' | 'AAC Synox' | 'Toundra' | |
|---|---|---|---|---|
| mean 2017 | 8.4 | 8.6 | 9.3 | 9.3 |
| std. deviation 2017 | 0.8 | 0.7 | 0.6 | 0.6 |
| mean 2018 | 8.6 | 9.4 | 9.7 | 9.3 |
| std deviation 2018 | 0.6 | 0.8 | 0.7 | 0.8 |
Kernel weight (grams per 1000 kernels)
| 'Maida' | 'Memphré' | 'AAC Synox' | 'Toundra' | |
|---|---|---|---|---|
| mean 2017 | 36.9 | 33.9 | 35.0 | 36.8 |
| std. deviation 2017 | 0.75 | 0.34 | 0.58 | 0.51 |
| mean 2018 | 38.5 | 35.4 | 35.7 | 37.6 |
| std deviation 2018 | 0.61 | 0.67 | 0.38 | 0.70 |
Click on image for larger view
Wheat: 'Maida' (left) with reference varieties 'Memphré' (centre left), 'AAC Synox' (centre right) and 'Toundra' (right)
Click on image for larger view
Wheat: 'Maida' (left) with reference varieties 'Memphré' (centre left), 'AAC Synox' (centre right) and 'Toundra' (right)
Click on image for larger view
Wheat: 'Maida' (left) with reference varieties 'Memphré' (centre left), 'AAC Synox' (centre right) and 'Toundra' (right)
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