Plant Variety Journal - IP Australia

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Plant Varieties Journal Vol. 23 Number 4 Details of Application Application Number 2009/068 Variety Name ‘Tatura Blaze’ Genus Species Prunus persica Common Name Peach Synonym Accepted Date 08 Jul 2009 Applicant Agriculture Victoria Services Pty Ltd, Attwood, VIC Agent Qualified Person Susanna Turpin Details of Comparative Trial Location Tatura, VIC Descriptor Peach (Prunus persica) TG/53/6 Period 2008 – 2010 Conditions The trees were established and maintained under standard commercial practice and checked for freedom from known viruses. Trial Design A selection trial was established on a mini Open-Tatura Trellis system at 1.5 x 4 m staggered double row tree spacing in 2004 at DPI, Tatura. All varieties were budded onto redleaf nemaguard. A nearest neighbour experimental design with two blocks and eight single tree replicates was used with 270 selections and ten controls (‘Tatura 204’, ‘Tatura 215’, ‘Golden Queen’ etc). Measurements Observations of tree and fruit characteristics were taken in 2008 and 2009 from 4 to 8 single tree replicates with up to 10 measurements per tree depending on the variance of the characteristic measured. Morphological characteristics of flower and leaves were evaluated in 2010 on 4 replicates. Stone size measurements were evaluated on 10 fruit per replicate using fruit in the 60 to 63mm diameter size range to avoid bias in stone size as fruit size varies. RHS Chart - edition NA Origin and Breeding Open pollination followed by seedling selection: ‘Tatura 204’. The variety was produced from open pollinated seed harvested from the middle of an orchard block of ‘Tatura 204’ peach trees. ‘Tatura 204’ has a dominant showy flower and is often self pollinated. The majority of progeny produced from these harvested trees had showy flowers and the new variety has showy flowers. The variety was budded onto red leaf nemaguard rootstock along with other selections and compared to standard canning peach varieties for fruit productivity and quality at the Department of Primary Industries, Tatura, VIC. Following initial evaluation the variety was budded onto ‘Elberta’ rootstock and planted into large scale grower trials in the Goulburn Valley for comparative evaluation with ‘Taura 215’. After each propagation the variety has been true to type and stable. Breeders: Leigh Issell and Susanna Turpin, Department of Primary Industries VIC. Choice of Comparators Characteristics used for grouping varieties to identify the most Page 190 of 322
Plant Varieties Journal Vol. 23 Number 4 similar Variety of Common Knowledge Organ/Plant Part Context State of Expression in Group of Varieties Flower type showy Fruit ground colour of flesh orange-yellow Fruit firmness of flesh firm Stone adherence to flesh present Most Similar Varieties of Common Knowledge identified (VCK) Name Comments ‘Tatura 204’ parent of variety. Variety was bred to exhibit similar quality characteristics to ‘Tatura 204’ but later maturity time. Varieties of Common Knowledge identified and subsequently excluded Variety Distinguishing State of Expression in State of Expression in Comments Characteristics Candidate Variety Comparator Variety ‘Tatura 215’ flower type showy non-showy similar pedigree to variety ‘Tatura 207’ flower type showy non-showy similar pedigree to variety. 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 ‘Tatura Blaze’ ‘Tatura 204’ *Tree: size medium to large Tree: vigour strong medium to strong *Tree: habit upright to semiupright semi-upright *Flowering shoot: anthocyanin colouration *Flowering shoot: intensity of anthocyanin colouration present strong *Flowering shoot: density of flower buds dense medium to dense *Flower: type showy showy *Calyx: colour of inner side orange *Corolla: predominant colour light pink light pink *Petal: shape broad elliptic *Petal: size medium medium *Petals: number five Stamens: position below below *Stigma: position same level same level *Anthers: pollen present *Ovary: pubescence present Page 191 of 322
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Plant Variety Journal - IP Australia

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