54. Volume 12- Number 4 - IP Australia

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PLANT VARIETIES JOURNAL 1999 VOL 12 NO. 4 BRACT WIDTH (mm) mean 7.7 9.7 11.1 std deviation 1.5 3.3 1.8 LSD/sig 2.3 P≤0.01 P≤0.01 ____________________________________________________ BEGINNING FLOWERING TIME (at Mount Annan, NSW) mid Sep late Sep early Sep ____________________________________________________ GAURA Gaura lindheimeri ‘So White’ Application No: 97/292 Accepted: 27 Nov 1997. Applicant: Hartley Lewis and Malcolm Lewis, Buckland Park, SA. Characteristics (Table 25, Figure 20) Plant: open spreading habit, height medium. Stem: green. Leaf: lanceolate to oblanceolate, margin undulating, colour green (RHS 137A). Inflorescence: diameter 28mm (average), petals 4, petal colour white (RHS 155C), sepals 2, sepal colour green at tips (RHS 141A) fading to greyed-green (RHS 192A), stamens 8, anther colour yellow (RHS 12C) on flower opening changing to yellow-orange (RHS 22A) at maturity of pollen. (Note: all RHS chart refers to 1986 edition.) Origin and Breeding Open Pollination followed by seedling selection: large quantity of open-pollinated seed was collected from Gaura lindheimeri grown in applicant’s property. The parental variety was characterised by upright growth habit; cream flowers with pink red tinge to the base of the flower and pronounced purple leaf spotting. ‘So White’ was selected from the batch of open-pollinated seedlings for the following combination of characteristics. Selection criteria: compact habit, pure white flowers and absence of purple leaf spotting. Propagation: by cuttings. Breeder: Hartley R. Lewis, Buckland Park, SA. Choice of Comparators ‘Snow Cloud’ was chosen for its similarity to ‘So White’ in flower colour. Gaura lindheimeri was included because it is the original source material from which the variety was selected. No other similar varieties of common knowledge have been identified. Comparative Trial: Comparators: ‘Snow Cloud’, Gaura lindheimeri. Location: Buckland Park, SA, summer – autumn 1999. Conditions: trial conducted in polyhouse. Plants propagated from cuttings. Rooted cuttings planted into 250mm pots filled with soilless potting mix (pine bark base). Nutrition maintained with slow release fertiliser, pest and disease treatments applied as required. Trial design: 10 pots of each variety arranged in a completely randomised design. Measurements: from ten plants at random. One sample per plant. Prior Applications and Sales First sold in Australia in Oct 1997. Overseas sales nil. Description: Hartley Lewis, Buckland Park SA. Table 25 Gaura varieties ‘So *‘Snow *G. lindheimeri White’ Cloud’ ____________________________________________________ PLANT HABIT compact compact upright spreading spreading open ____________________________________________________ STEM base of stem 137A 138D 61B mid stem 137A 138D 138B ____________________________________________________ LEAF COLOUR (RHS, 1986) 137C 138D 138B no leaf spots leaf spots on older leaves 61B ____________________________________________________ FLOWER COLOUR (RHS, 1986) petals 155C 155C 155D sepals 141A at top 141A 66C fading to192A ____________________________________________________ FLOWER NUMBERS ON TERMINAL SPIKELETS mean 11.1 14.9 35.6 std deviation 0.83 1.04 3.53 LSD/sig 1.35 P≤0.01 P≤0.01 ____________________________________________________ PETAL WIDTH (mm) mean 9.55 12.6 11.05 std deviation 0.49 1.37 0.85 LSD/sig 0.39 P≤0.01 P≤0.01 ____________________________________________________ SEPAL LENGTH (mm) mean 1.93 1.52 1.41 std deviation 0.064 0.124 0.109 LSD/sig 0.096 P≤0.01 P≤0.01 ____________________________________________________ SPIKE LENGTH (cm) mean 13.9 16.9 24.6 std deviation 1.64 2.23 2.24 LSD/sig 1.70 P≤0.01 P≤0.01 ____________________________________________________ KANGAROO PAW Anigozanthos hybrid ‘Bush Pearl’ Application No: 97/060 Accepted: 30 Apr 1997. Applicant: Yates Botanicals Pty Ltd, Somersby, NSW. Characteristics (Table 26, Figure 21) Plant: habit compact rhizomatous, many inflorescences, height short, flowering 14-16 weeks from tissue culture. Leaf: attitude uprightsemi-upright, slightly curved, weakly pubescent margin, length short, width narrow, colour green (RHS 137A-B). Inflorescence: tertiary ramification present, medium total number of flowers. Flower: perianth tube profile parallel to flared distally, perianth lobe reflexing absent to slightly reflexed, perianth tube length medium, perianth tube width narrow-medium, single coloured hairs on perianth tube, ovary and pedicel red-purple (RHS 67A-B), inner perianth tube colour green (RHS 144B), four anthers at top of perianth, anther/pollen colour yellow (RHS 13A), stigma above anthers. (Note: all RHS colour chart numbers refer to 1995 edition.) 42
DESCRIPTIONS PLANT VARIETIES JOURNAL 1999 VOL 12 NO. 4 Origin and Breeding Controlled Pollination: seed parent ‘Bush Lantern’ x pollen parent Anigozanthos flavidus. The seed parent is a hybrid between A. bicolor and A. humilis, characterised by yellow flowers. The pollen parent had pink flowers and dwarf growth habit. Hybridisation took place at Somersby, NSW in 1995. Seed were germinated in vitro with subsequent individual seedlings multiplied and tested as pot plants and in ground over three years. Selection criteria: flower colour and form, plant habit, disease tolerance, non-seasonal flowering and stable and productive micropropagation performance. Propagation: vegetative by micropropagation. Breeders: Angus Stewart and Mark Bennett, Biotech Innovations Pty Ltd (formerly Biotech Plants Pty Ltd), Somersby, NSW. Choice of Comparators ‘Pink Joey’ was chosen for its similar flower and inflorescence form. The seed parent was not considered for the trial because it has a different yellow flower colour. No other similar varieties have been identified. Comparative Trial Comparator: ‘Pink Joey’. Location: Kincumber, NSW, spring-summer 1998/99. Conditions: trial conducted in open beds, plants micropropagated, rooted plants planted into 150mm pots filled with soilless potting mix, nutrition maintained with slow release fertilisers, pest and disease treatments applied as required. Trial design: fifteen pots of each variety arranged in a completely randomised design. Measurements: from ten plants at random. One sample per plant. Prior Applications and Sales No Prior Applications. First sold in Australia in 1997. Description: Ian Paananen, Crop & Nursery Services, Central Coast, NSW. Table 26 Anigozanthos varieties ‘Bush Pearl’ *‘Pink Joey’ ____________________________________________________ PLANT HEIGHT (cm) – to top of leaves mean 30.8 47.3 std deviation 4.1 3.6 LSD/sig 4.4 P≤0.01 ____________________________________________________ LEAF LENGTH (cm) – basal mature leaf mean 24.6 34.3 std deviation 3.4 4.5 LSD/sig 4.6 P≤0.01 ____________________________________________________ NUMBER OF FLOWERS PER INFLORESCENCE – on first flowering stem mean 15.9 9.3 std deviation 4.6 2.5 LSD/sig 4.2 P≤0.01 ____________________________________________________ PERIANTH TUBE WIDTH (mm) – at middle tube mean 4.0 5.2 std deviation 1.1 0.3 LSD/sig 0.9 P≤0.01 ____________________________________________________ LEAF curvature slight straight margin hairs weak absent to very weak ____________________________________________________ FLOWER: REFLEXING OF PERIANTH LOBES absent to slight absent ____________________________________________________ FLOWER: COLOUR OF (RHS, 1995) inner perianth green 144B green 144A anther/pollen yellow 13A yellow-orange 17B ____________________________________________________ POSITION OF STIGMA IN RELATION TO ANTHERS above level ____________________________________________________ BEGINNING OF FLOWERING early late ____________________________________________________ KIWIFRUIT Actinidia deliciosa ‘Tomua’ Application No: 98/093 Accepted: 3 Jul 1998. Applicant: The Horticulture and Food Research Institute of New Zealand Ltd, Palmerston North, New Zealand. Agent: Collison & Co, Adelaide, SA. Characteristics (Table 27, Figure 27) Plant: sex female, ploidy hexaploid, habit moderately vigorous vine, early season maturing (first week of Apr in NZ). Young shoot: velutinous, anthocyanin weak. Stem: medium diameter, red-brown colour (RHS 165A), medium bark covered in bristly hairs and conspicuous grey-orange lenticels colour (RHS 164B-164C), lenticel number medium, bud almost completely buried, few bud hairs visible on dormant canes, leaf scar on dormant canes medium. Leaf: broadly ovate, cuspidate tip, cordate base, leaf bases overlapping, medium density of hairs on main veins of upper surface, few hairs between main veins on upper surface, medium density of hairs on both main veins and between veins on lower surface, flat profile in cross section, margin ciliate, medium puckering on upper side of blade, upper surface medium green colour (RHS 137A –137B), lower surface light green colour (RHS 147B-147C), glaucosity absent on lower surface of blade, variegation absent, spines on main veins of lower side absent, hairs on petiole medium density, anthocyanin colouration on upper side of petiole weak. Inflorescence :predominate number of flowers one. Flower: early, pedicel length long, diameter very large (mean 52.9mm), pedicel hairs medium, number of sepals >5, colour of sepals greenish-brown, petals overlapping, petals curving upwards at tip, petal shoulder present, petal margins crimped, petal primary colour white (RHS 155D), petal base colour light green, petal colour distribution even, petals remain cupped around ovary after pollination, filament colour white, anther colour yellow, number of styles many (mean 41.5), colour of styles white, styles semi-erect and slightly curved, hair at base of styles short, amount of hair on ovary strongly expressed. Fruit: medium size (mean 99g), general shape ovoid, length 79.1mm, maximum width 53.1 mm, minimum width 49.1 mm, cross section at median elliptical, ridging absent, shape of stylar end raised, shape of shoulder on stalk end rounded, sepals present at harvest, adherence of skin to flesh medium (not easy to peel), lenticels absent on skin, skin colour when ripe reddish brown (RHS 165B), hairs on skin medium, type of hair hirsute, distribution of hair uniform, colour of hairs at harvest brown, adherence of hairs to skin when rubbed 43
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SERVICE DIRECTORY WARATAH SEED CO.
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PLANT BREEDER’S RIGHTS ADVISORY C
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54. Volume 12- Number 4 - IP Australia

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