Plant Variety Journal - IP Australia

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Plant Varieties Journal Vol. 23 Number 4 Details of Application Application Number 2001/228 Variety Name ‘Fargo’ Genus Species Betula platyphylla Common Name Asian White Birch Synonym Dakota Pinnacle Accepted Date 30 Oct 2001 Applicant NDSU-Research Foundation, USA. Agent Fleming’s Nurseries Pty Ltd, Monbulk, VIC Qualified Person Peter Todd Details of Comparative Trial Location where possible the US plant data was verified under local conditions at Monbulk, VIC. Descriptor Birch (Betula playtyphylla) PBR BETU Period Apr 2010 and Jul 2010. Conditions plants were grown vegetatively. All trees are healthy and growing evenly with no obvious signs of disease or streets. Trial Design completely randomised. Measurements RHS Chart - edition 1986 Origin and Breeding Seedliing selection: ‘Fargo’ was selected from an open-pollinated seedling population of Betula platyphylla. Seeds were collected and sowed in 1986. The selection of the tree was initially made in 1993, and released in 1997 after further test and observation. No further cycles of selection were made. The original plant was micro-propagated through tissue culture; therefore plants produced maintain the original genotype. Breeder: Dr Art Boe, Dr Dale Herman, Dr Zong Ming Cheng, Dr Jeffrey Schnurr Choice of Comparators Characteristics used for grouping varieties to identify the most similar Variety of Common Knowledge Organ/Plant Part Context State of Expression in Group of Varieties Leaf attitude pendulous Leaf shape ovate Leaf type of incision serrate Plant bark colour white Most Similar Varieties of Common Knowledge identified (VCK) Name Comments ‘Whitespire’ Betula platyphylla var japonica Variety Description and Distinctness - Characteristics which distinguish the candidate from one or more of the comparators are marked with a tick. Organ/Plant Part: Context ‘Fargo’ ‘Whitespire’ Plant: type tree tree Plant: growth habit narrow erect conical Plant: size medium to large medium Page 104 of 322
Plant Varieties Journal Vol. 23 Number 4 Plant: height Plant: width Leaf: size short to medium short narrow to medium narrow to medium small to medium medium Leaf: attitude pendulous pendulous Leaf: arrangement alternate alternate Leaf: length of blade Leaf: width of blade short to medium short to medium narrow to medium medium Leaf: length of petiole short short to medium Leaf: shape ovate ovate Leaf: shape of apex acuminate acuminate Leaf: shape of base obtuse obtuse Leaf: incision of margin present present Leaf: depth of incision very shallow to shallow very shallow Leaf: undulation of the margin weak to medium weak to medium Leaf: green colour dark to very dark dark Leaf: colour (RHS colour chart) 139A Flower : type catkin/ament catkin/ament Fruit: seed present present Fruit: size small small Fruit: shape winged nutlet winged nutlet Fruit: weight very light very light Characteristics Additional to the Descriptor/TG Organ/Plant Part: Context ‘Fargo’ ‘Whitespire’ Bark: exfoliating yes no Leaf : winter retention yes no Leaf : autumn colour golden yellow yellow Plant: bark colour white white Leaf: type of incision serrate serrate Prior Applications and Sales Country Year Current Status Name Applied USA 1997 Granted ‘Fargo’ First sold in USA in February 1998. Description: Peter Todd, Monbulk, VIC Page 105 of 322
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Plant Variety Journal - IP Australia

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