Komodo R2
| Denomination: | 'Komodo R2' |
|---|---|
| Previously Proposed Denomination: | 'Karpo R2' |
| Botanical Name: | Glycine max |
| Applicant/Holder: |
Sollio Agriculture 19235, avenue Saint-Louis Saint-Hyacinthe, Quebec J2T 5J4 Canada |
| Breeder: |
Jérôme Auclair, Sollio Agriculture, Saint-Hyacinthe, Quebec |
| Application Date: | 2018-10-18 |
| Provisional Protection:: | 2018-10-18 |
| Application Number: | 18-9626 |
| Grant of Rights Date: | 2022-12-21 |
| Certificate Number: | 6716 |
| Grant of Rights Termination Date: | 2042-12-21 |
Variety Description
Varieties used for comparison: 'Amirani R2', 'Notus R2' and 'Sunna R2X'
Summary: When 50% of the flowers are open, the branching attitude of 'Komodo R2' is semi-erect whereas it is semi-erect to horizontal on 'Notus R2' and 'Sunna R2X'. When 95% of the pods are ripe, the plants of 'Komodo R2' are shorter than the plants of 'Sunna R2X'. The intensity of brown colour on the pod of 'Komodo R2' is of medium intensity whereas it is dark on the pod of 'Notus R2'. The ground colour of the testa for 'Komodo R2' is yellow green whereas it is yellow for 'Amirani R2'. The colour of the hilum on 'Komodo R2' is grey whereas it is yellow on 'Amirani R2' and black on 'Notus R2'. The plants of 'Komodo R2' mature earlier than the plants of 'Sunna R2X'.
Description:
PLANT: oilseed type, indeterminate growth type, semi-erect branch attitude, tawny pubescence on middle third of main stem, begins flowering very early to early, matures early to mid-season
HYPOCOTYL: medium intensity of anthocyanin colouration
LEAF: pointed ovate lateral leaflet
FLOWER: violet
POD: medium brown
SEED: elongated, yellow ground colour of testa
HILUM: yellow
Origin & Breeding History: 'Komodo R2' (experimental designation C4M17221 R2, R1601-12) originated from a cross between two proprietary selections conducted in 2010, in Centralia, Ontario. A modified single seed descent method was used to develop the variety. Seeds from the F1 generation were grown in Elm Creek, Manitoba, and individual plants were selected from the F2 generation in 2012. In Saint-Hyacinthe, Quebec, row plots of the F3 generation were grown and selected in 2013 followed by plot evaluations from 2014 to 2018. 'Komodo R2' was identified at the F5 generation in 2016. The selection criteria were based on a visual assessment of lodging resistance, number of pods per plant, pod density on the plant (internode length), absence of disease symptoms and protein content.
Tests & Trials: The comparative trials for 'Komodo R2' were conducted at a production farm in Saint-Simon, Quebec. The trials were planted in a RCB design with 4 replicates per variety during the 2019 and 2021 growing seasons. Each 6.0 square metre plot consisted of 4 rows, each 4.5 metres long with a row spacing of 0.38 metres. The seeding density was such that it resulted in a total of 40 plants per variety per square metre. For each variety, the plant height was based on 20 measurements. Mean differences were significant at the 5% probability level based on a Tukey test.
Comparison tables for 'Komodo R2' with reference varieties 'Amirani R2', 'Notus R2' and 'Sunna R2X'
Plant height (cm)
| 'Komodo R2' | 'Amirani R2' | 'Notus R2' | 'Sunna R2X' | |
|---|---|---|---|---|
| mean 2019 | 71.0 | 79.6 | 61.3 | 79.6 |
| std. deviation 2019 | 3.4 | 3.5 | 3.2 | 3.0 |
| mean 2021 | 56.4 | 59.5 | 54.1 | 65.4 |
| std. deviation 2021 | 3.2 | 4.5 | 4.0 | 3.7 |
Number of days to maturity (from planting to maturity)
| 'Komodo R2' | 'Amirani R2' | 'Notus R2' | 'Sunna R2X' | |
|---|---|---|---|---|
| mean 2019 | 104 | 96 | 104 | 108 |
| mean 2021 | 113 | 113 | 118 | 116 |
Click on image for larger view
Soybean: 'Komodo R2' (left) with reference varieties 'Notus R2' (centre left), 'Amirani R2' (centre right) and 'Sunna R2X' (right)
Click on image for larger view
Soybean: 'Komodo R2' (top left) with reference varieties 'Amirani R2' (top right), 'Sunna R2X' (bottom left) and 'Notus R2' (bottom right)
Click on image for larger view
Soybean: 'Komodo R2' (top left) with reference varieties 'Amirani R2' (top right), 'Sunna R2X' (bottom left) and 'Notus R2' (bottom right)
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