Plant Variety Journal - IP Australia

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Plant Varieties Journal Vol. 23 Number 4 Details of Application Application Number 2009/323 Variety Name ‘Kakegawa S89’ Genus Species Petunia x Calibrachoa Common Name Petchoa Synonym Nil Accepted Date 16 Apr 2010 Applicant Sakata Seed Corporation, Yokohama, JP Agent Sakata Seed Oceania, Warragul, VIC Qualified Person Mark Lunghusen Details of Comparative Trial Overseas Testing Canadian Food Inspection Agency Authority Overseas Data Certificate number 3311 Reference Number Location St Thomas Ontario, Canada Descriptor Calibrachoa (Calibrachoa) TG/207/1 Period 2007 Conditions Trials for ‘Kakegawa S89’ were conducted in a polyhouse during the summer of 2007 at BioFlora Inc. in St. Thomas, Ontario. The trial included a total of fifteen (15) plants per variety. All plants were grown from rooted cuttings and transplanted into 11.5 cm pots on Jul 10, 2007. Comparator data were obtained from PVJ 23.2 and Canadian data for ‘Kakegawa S89’. Trial Design Measurements Observations and measurements were taken from ten (10) plants or parts of plants. RHS Chart - edition Fifth edition Origin and Breeding Controlled pollination followed by seedling selection: The new Petunia-Calibrachoa variety was developed using an intergeneric cross between Petunia hybrida and a Calibrachoa hybrida species in May 2003. After crossing the parent lines, 780 ovules were removed from flowers on the female parent and cultured by standard ovule culture techniques. In Dec 2003, 10 intergeneric hybrid plantlets were transplanted to soilless media for greenhouse culture and acclimatization. In Mar 2004, 7 plants out of 10 hybrid lines were vegetatively propagated to produce rooted cuttings. In Apr 2004, the 7 plants were transplanted to an open field and evaluated for flower colour and plant growth habit through July. In Aug 2004, ‘Kakegawa S89’ which has a bright pinkish-red with yellow throat flower colour and a mounding plant growth habit was selected and vegetatively propagated. In Sep 2004, 10 cuttings were evaluated in an open field through Nov 2004. In Nov 2004, the breeder confirmed that the distinct characteristics of selection ‘Kakegawa S89’ were fixed and stable. 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 blade variegation absent Page 206 of 322
Plant Varieties Journal Vol. 23 Number 4 Flower type single Corolla lobe number of colours of upper side one (excluding veins) Corolla lobe main colour of upper side purple Most Similar Varieties of Common Knowledge identified (VCK) Name Comments ‘Dancalipet’ Calitunia purple 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 ‘Kakegawa S89’ ‘Dancalipet’ Plant: growth habit semi-upright semi-upright Leaf blade: shape of apex narrow acute obtuse *Leaf blade: variegation absent absent *Leaf blade: green colour of upper side (non-variegated varieties only) dark dark Petiole: length short medium Pedicel: length short Sepal: anthocyanin colouration absent *Flower: type single single *Corolla lobe: number of colours of upper side one one *Corolla lobe: main colour of upper side (RHS colour chart) 71A N74 with N66A tones *Corolla lobe: conspicuousness of veins on upper side weak strong Corolla lobe: main colour of lower side (RHS colour chart) 72C 75A with 64C on margins Corolla lobe: shape of apex truncate rounded *Corolla tube: main colour of inner side (RHS colour chart) 9A 9A -10B Corolla tube: conspicuousness of veins on inner side medium medium to strong Characteristics Additional to the Descriptor/TG Organ/Plant Part: Context ‘Kakegawa S89’ ‘Dancalipet’ Flower: shape funnel form salver form Prior Applications and Sales Country Year Current Status Name Applied Canada 2006 Granted ‘Kakegawa S89’ EU 2007 Granted ‘Kakegawa S89’ USA 2007 Granted ‘Kakegawa S89’ NZ 2010 Applied ‘Kakegawa S89’ Page 207 of 322
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Plant Variety Journal - IP Australia

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