Plant Variety Journal - IP Australia

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Plant Varieties Journal Vol. 23 Number 4 Seed: wrinkling of cotyledon absent absent *Seed: weight medium medium Resistance to: Erysiphe pisi Syd. absent absent Characteristics Additional to the Descriptor/TG Organ/Plant Part: Context ‘PBA Gunyah’ ‘Kaspa’ Flower: duration of flowering medium to long short Statistical Table Organ/Plant Part: Context ‘PBA Gunyah’ ‘Kaspa’ Flower: time of flowering (30%) (day post sowing) Mean 116.00 132.00 Std. Deviation 1.00 1.00 LSD/sig 2 P≤0.01 Stem: number of nodes up to and including first fertile node (nodes) Mean 16.00 19.00 Std. Deviation 1.00 1.00 LSD/sig 3.2 P≤0.01 Flower: duration of flowering (days) Mean 39.00 17.00 Std. Deviation 2.50 1.30 LSD/sig 1.2 P≤0.01 Prior Applications and Sales Nil. Description: Antonio Leonforte, DPI- Horsham, VIC Page 126 of 322
Plant Varieties Journal Vol. 23 Number 4 Details of Application Application Number 2010/199 Variety Name ‘PBA Twilight’ Genus Species Pisum sativum Common Name Field Pea Synonym Twilight Accepted Date 09 Nov 2010 Applicant Agriculture Victoria Services Pty Ltd, Grains Research and Development Corporation Agent N/A Qualified Person Antonio Leonforte Details of Comparative Trial Location Horsham Descriptor Pea (Pisum sativum) TG/7/9 Period Jun – Dec 2010 Conditions Typical growing conditions for field pea in southern Australia, characterised by predominant winter and spring rainfall. No disease, pest or nutritional symptoms observed. Trial Design Randomised Complete Block. (5 row plot trial.) Measurements Time to flowering (30%) (day); Node of flowering; Duration of flowering (days). RHS Chart - edition Origin and Breeding Controlled pollination: ‘PBA Twilight’ (tested as 01-230-5 and later OZP0601) was identified by the PBA field pea team and is derived from a line bred at Horsham, VICDPI from a targeted crossing and selection program to improve yield reliability in low rainfall cropping regions. The final cross made in 2001 (01-230) included the late flowering variety ‘Kaspa’ and a high yielding, erect growing, very early flowering parental line PS1537. A pedigree selection program was used to develop the variety. The line was reselected from an F2 segregating population in 2002 (01-230-5). It was later selected from a progeny testing experiment in 2003 and promoted consecutively for yield evaluation from 2004 to 2008. It was promoted to National Variety testing in 2006 as OZP0601. Seed increase commenced in 2006 for variety release from 200 single plant derived lines. ‘PBA Twilight’ produces plants with a medium plant height and with no leaflets on the tendril (e.g. like ‘Kaspa’). Plant height will vary with growing conditions. The flower wing is typically pinkish in colour and the colour of standard is typically minor. The intensity of flower colour can be very minor or appear absent or be more intense and appear dark pink to purple with stripes. Propagation: Seed. Breeder: Tony Leonforte, DPI- Horsham, VIC. 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 Seed colour of testa reddish brown Plant height medium Leaf leaflets absent Flower anthocyanin colouration of wing mostly pink Pod parchment layer absent Page 127 of 322
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Plant Variety Journal - IP Australia

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