SMNTOO
| Denomination: | 'SMNTOO' |
|---|---|
| Trade name: | Sting |
| Botanical Name: | Thuja occidentalis |
| Applicant/Holder: |
Spring Meadow Nursery, Inc. 12601 120th Avenue Grand Haven, Michigan 49417 United States of America |
| Breeder: |
Timothy D. Wood, Spring Lake, United States of America |
| Agent in Canada: |
BioFlora Inc. 38723 Fingal Line R.R. #1 St. Thomas, Ontario N5P 3S5 Canada Tel: 519-317-7511 |
| Application Date: | 2021-11-18 |
| Provisional Protection: | 2021-11-18 |
| Application Number: | 21-10753 |
Variety Description
Variety used for comparison: 'Art Boe' (North Pole)
Summary: The branchlet of the first order of ‘SMNTOO' is twisted whereas that of ‘Art Boe' is flat. The spray of ‘SMNTOO' is narrower than that of ‘Art Boe'. The arrangement of the spray of ‘SMNTOO' is not planar whereas that of ‘Art Boe' is planar. The branchlet of the penultimate order is narrower than that of ‘Art Boe'. The glands on the leaves of ‘SMNTOO' are prominent whereas for ‘Art Boe' they are not prominent.
Description:
PLANT: narrow columnar growth habit, slow growth, foliage density ranging from medium to dense
BRANCH: erect to semi-erect attitude, rigidity ranging from medium to strong
BRANCHLETS OF FIRST ORDER: number ranging from medium to many, twisted type, not planar arrangement of spray, semi-erect attitude of spray
LEAF IN SPRING: light green, no variegation
LEAF IN SUMMER: medium green, no variegation
LEAF IN WINTER: medium green, no variegation
SCALE-SHAPED LEAF: straight to curved longitudinal axis, acute tip, few prominent glands, thin, weak glossiness
Origin & Breeding History: ‘SMNTOO' originated from an open pollinated cross between the female variety ‘Degroot's Spire' and an unknown male parent conducted in Grand Haven, Michigan, USA in 2000. The new variety ‘SMNTOO' was selected in 2016 based on plant growth habit, foliage colour, branching habit and cold tolerance. Asexual reproduction by softwood cuttings was initiated in in 2016.
Tests & Trials: The comparative trial for ‘SMNTOO' was conducted in an outdoor irrigated container trial during the spring of 2024 at Bioflora Inc., in St. Thomas, Ontario. The trial included a total of 10 plants each of the candidate and reference variety. All plants were transplanted into 11.4 litre pots on February 17, 2023. Observations and measurements were taken on July 23, 2024. Mean differences were significant at the 5% confidence probability level based on a paired Student's t-test. All colour determinations were made using the 2015 Royal Horticultural Society (RHS) Colour Chart.
Comparison tables for 'SMNTOO' with reference variety 'Art Boe'
Spray width (cm)
| 'SMNTOO' | 'Art Boe' | |
|---|---|---|
| mean | 8.64 | 13.76 |
| std. deviation | 0.886 | 2.317 |
Branchlet of the penultimate order width (cm)
| 'SMNTOO' | 'Art Boe' | |
|---|---|---|
| mean | 0.96 | 2.37 |
| std. deviation | 0.301 | 0.626 |
Click on image for larger view
Cedar: 'SMNTOO' (left) with reference variety 'Art Boe' (right)
Click on image for larger view
Cedar: 'SMNTOO' (left) with reference variety 'Art Boe' (right)
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