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|Trade name:||StrawBurst Yellow|
|Botanical Name:||Xerochrysum bracteatum|
Syngenta Crop Protection AG
Jason Jandrew, Goldsmith Seeds, Inc., Mountain View, United States of America
|Agent in Canada:||
38723 Fingal Line
St. Thomas, Ontario
|Grant of Rights Date:||2010-01-11|
|Date rights surrendered:||2013-03-01|
Variety used for comparison: 'OHB003790' (Dreamtime Jumbo Yellow)
Summary: The leaf blades of 'Stabur Yel' have stronger undulation of the margin than those of 'OHB003790'. 'Stabur Yel' has a larger flower head diameter than 'OHB003790'. The bracts of 'Stabur Yel' are greater in number per flower head and broader than those of 'OHB003790'. In lateral view, the upper part of the flower head of 'Stabur Yel' is concave to flat whereas that of 'OHB003790' is flat to convex.
PLANT: erect growth habit, medium density
STEM: sparse pubescence
LEAF BLADE: length:width ratio is 1:0.23, broadest part is in middle position, acute and acuminate apices, no variegation, medium green on upper side, very sparse pubescence on upper and lower sides, moderate to strong undulation of margin
PEDUNCLE: branching present
BUD: rounded apex, yellow (closest to RHS 3A)
FLOWER HEAD: predominantly positioned level with or just above foliage, lower part is concave in lateral view, upper part is concave to flat in lateral view, many bracts
BRACT: one-coloured, yellow (RHS 2A) on upper side, striations present, weak incurving
Origin & Breeding History: 'Stabur Yel' was developed by the breeder, Jason Jandrew, an employee of Goldsmith Seeds, Inc., in Gilroy, California, U.S.A. as part of a planned breeding program. It originated from a cross made in May 2005 between the female parent designated '340-1', a proprietary seedling with lemon yellow flowers, and the male parent designated '320-1', another proprietary seedling with yellow flowers. The resultant seed was sown in a greenhouse in September 2005. 'Stabur Yel' was selected in December 2005 based on its large flower size, flower colour and full, compact plant growth habit.
Tests & Trials: Trials for 'Stabur Yel' were conducted in a polyhouse during the spring of 2008 at BioFlora Inc. in St. Thomas, Ontario. The trial included 15 plants per variety. Rooted cuttings were transplanted into 15 cm pots on May 13, 2008. Measured characteristics were based on measurements taken from 10 plants or parts of plants on July 2, 2008. All colour determinations were made using the 2001 Royal Horticultural Society (RHS) Colour Chart.
Comparison tables for 'Stabur Yel' with reference variety 'OHB003790'
Flower head diameter (cm)
Bract width (cm)
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