44. Volume 15- Number 2 - IP Australia

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PLANT VARIETIES JOURNAL 2002 VOL 15 NO. 2 small compact growth habit, variegated foliage and clear red bract colour. Propagation: by cuttings. Breeder: Jan Iredell, Moggill, QLD. Choice of Comparators Grouping characteristics used in identifying the most similar varieties of common knowledge were – Leaf shape and colour, bract colour, and plant growth habit. On the basis of these grouping characteristics ‘Unnamed Pink’, ‘Donya’ A and ‘Blushing Beauty’. were selected as comparators. ‘Unnamed Pink’ is also the original parental variety. Comparative Trial Location: Moggill, QLD Dec 2000- May 2002. Conditions: plants raised in soilless potting media in 200mm pots, fertilised with slow release Osmocote® added at 5g/litre, grown under greenhouse film. Normal cultural practices except pruning carried out during the trial. Trial design: 5 plants of each variety randomly placed. Measurements: taken from all plants. Prior Applications and Sales Nil. Description: Jan Iredell, Moggill, QLD. Table 15 Bougainvillea varieties ‘Ningili’ *‘Blushing *‘Donya’ A *‘Unnamed Beauty’ Pink’ ____________________________________________________ PLANT: GROWTH HABIT bushy/ spreading upright upright/ spreading bushy ____________________________________________________ PLANT: SIZE small/ small/ large large medium medium ____________________________________________________ STEM: SIZE OF THORNS medium medium large medium/large ____________________________________________________ NEW GROWTH: PRESENCE OF ANTHOCYANIN present absent present absent ____________________________________________________ LEAF: SIZE medium medium medium/ medium/ large large ____________________________________________________ LEAF: SHAPE broad ovate broad broad ovate ovate ____________________________________________________ LEAF: SHAPE OF APEX acuminate acute acuminate acuminate ____________________________________________________ LEAF: SHAPE OF BASE obtuse obtuse cuneate obtuse ____________________________________________________ LEAF: SHAPE OF CROSS-SECTION concave concave convex concave ____________________________________________________ LEAF: PRESENCE OF VARIEGATION present absent absent absent ____________________________________________________ LEAF: TYPE OF VARIEGATION central n/a n/a n/a ____________________________________________________ LEAF: DEGREE OF VARIEGATION very low n/a n/a n/a ____________________________________________________ LEAF COLOUR: NUMBER OF COLOURS two one one one ____________________________________________________ LEAF COLOUR: PRIMARY COLOUR (RHS, 2001) 137A 139A 137A/B 137A variegation visible only on new growth ____________________________________________________ LEAF COLOUR: BORDER BETWEEN COLOURS not clearly n/a n/a n/a defined ____________________________________________________ BRACT: PARTLY EXPANDED: NUMBER OF COLOURS one two one one ____________________________________________________ BRACT: PRIMARY COLOUR (RHS 2001) 63C 157A N74B 54C ____________________________________________________ BRACT: SECONDARY COLOUR (RHS 2001) n/a N66D n/a n/a ____________________________________________________ BRACT: FULLY EXPANDED: NUMBER OF COLOURS one two one one ____________________________________________________ BRACT: PRIMARY COLOUR (RHS 2001) N57D N74A N74C 73A ____________________________________________________ BRACT: SECONDARY COLOUR (RHS 2001) n/a N155C n/a n/a ____________________________________________________ FLOWER: DIAMETER small small large small ____________________________________________________ FLOWER: SIZE OF FLORAL TUBE small medium large medium ____________________________________________________ FLOWER: EMERGENCE OF STAMENS present present n/a absent ____________________________________________________ ‘Wabag’ Application No: 2000/347 Accepted: 20 Dec 2000. Applicant: Jan and Peter Iredell, Moggill, QLD. Characteristics (Table 12, Figure 18) Plant: growth habit spreading, size small-medium. Stem: degree of hairiness absent or low, thorns present, size of thorns medium, thickness of thorns thin, shape of thorns flat-concave. New growth: presence of anthocyanin present, Leaf: size medium, length of blade (mean) 79.92 mm, width of blade (mean) 60.9 mm, length of petiole (mean) 21.42 mm, shape broad ovate, shape of apex aristate, shape of base obtuse, undulation of the margin medium, shape of cross-section concave, curvature of longitudinal axis straight-recurved, glossiness of upper side weak, presence of variegation present, type of variegation mainly marginal, degree of variegation medium. Leaf colour: number of colours two, primary colour (primary colour is the most prevalent or obvious) RHS 137A, secondary colour RHS 160A, border between colours not clearly defined. Bract: size medium, degree of reflex medium, width medium, shape of apex acute, partly expanded number of colours one, primary 30
DESCRIPTIONS PLANT VARIETIES JOURNAL 2002 VOL 15 NO. 2 colour RHS 45B, fully expanded: number of colours one, primary colour RHS 52B, Flower: present, diameter small, predominant colour of visible petals (perianth) cream, predominant colour of floral tube red, size of floral tube medium, shape of floral tube slender, emergence of stamens absent. (Note: all RHS colour chart numbers refer to 2001 edition.) Origin and Breeding Spontaneous mutation: originated as a bud-sport on Bougainvillea ‘Jazzi’ A at applicant’s property during 1994. The sport was characterised by variegated leaves whereas the parental variety lacks such variegation. The mutated shoot was isolated and propagated vegetatively through several generations to confirm the uniformity and stability of the selection. Selection criteria: growth habit, variegated foliage, pigmented new growth and bract colour. Propagation: by cuttings over 6 generations to ensure stability. Breeder: Jan Iredell, Moggill, QLD. Choice of Comparators Grouping characteristics used in identifying the most similar varieties of common knowledge were – Leaf variegation, type of variegation, Bract colour and plant growth habit. On the basis of these grouping characteristics ‘Bilas’, ‘Raspberry Ice’ and ‘Jazzi’ A were selected as comparators. ‘Jazzi’ A , is also the original parental variety. Comparative Trial Location: Moggill, QLD Dec 2000- May 2002. Conditions: plants raised in soilless potting media in 200mm pots, fertilised with slow release Osmocote® added at 5g/litre, grown under greenhouse film. Normal cultural practices except pruning carried out during the trial. Trial design: 6 plants of each variety randomly placed. Measurements: taken from all plants. Prior Applications and Sales Nil. Description: Jan Iredell, Moggill, QLD. Cichorium intybus Chicory ‘Choice’ Application No: 2002/013. Accepted: 4 Mar 2002. Applicant: AgResearch Limited, Palmerston North, New Zealand. Agent: Denis McGrath, Drumcondra,VIC. Characteristics (Table 16, Figure 57) Young plant: anthocyanin absent. Plant: habit erect, height medium. Head: formation present, intensity of head formation medium, length long, diameter medium, shape in longitudinal section ovate, main colour of outer leaves green-red, anthocyanin colouration of outer leaves absent. Leaf: attitude semi erect, length (at harvest maturity) long, width (at harvest maturity) narrow, shape narrow elliptic, colour (excluding midrib) green (RHS 144A-B), intensity of colour (excluding midrib) medium, glossiness weak, colour of midrib green, anthocyanin colouration at harvest maturity absent, blistering absent or very weak, undulation of margin absent or very weak, depth of incisions of margins weak, type of incision of margins dentate-serrate, rib anthocyanin absent. Stem: formation at harvest maturity present, branching moderately high, anthocyanin mainly diffused. Flower: predominant colour blue (RHS 100A-B) fading to white. Time of harvest maturity: medium-late. Late season post harvest bolting: ~20%. (Note: all RHS numbers refer to 1988 edition) Origin and Breeding Selection and controlled polycross: from 1992 to 1994 selections were made within ‘Grasslands Puna’ and few plants from wild populations and vegetable type plants for greater uniformity. In 1995, a field of 1800 spaced plants, mostly from the ‘uniformity’ selection, provided 1000 plants for assay of lactucin and lactucopicrin in the leaves. Ninety-four plants with low levels of lactucin and lactucopricin were selected and inter-pollinated in isolation conditions. Two more generations of selection for low levels were completed in 1996 and 1997, with simultaneous selection for winter growth and uniformity. In 1998, a final selection was made for uniform flowering time, and the resultant seed was classified as ‘nucleus’. This seed is used for further seed increases and long-term storage for cultivar maintenance. Selection criteria: greater uniformity, lactucin levels and cool season growth activity. Propagation: seed. Breeder: Dr W (Bill) Rumball, AgResearch Grasslands, Palmerston North. New Zealand. Choice of Comparators ‘Grasslands Puna’ was included as a comparator as the almost total source of breeding material. ‘INIA Le Lacerta’ was included as a variety of common knowledge. ‘Puna II’ was included as it has similar morphological features. No other similar varieties have been identified. Comparative Trial Location: AgResearch Grasslands Research Centre, Palmerston North, New Zealand. (Latitude 40º23′S, elevation 33m) autumn 2000 through autumn 2001. Conditions: plants raised from seed sown in seed flats on 8/6/2000 in controlled glasshouse environment Trays placed in open environment for hardening off on 3/7/2000 and planted in trial site G8 at 60cm between plant spacing on 17/8/00. A further 60 plants of each variety were potted on 17/10/2000 in PB5 planter bags filled with potting mix and placed in unheated open ended shade house and removed to open air on 31/10/2000 for leaf character assessments. No herbicide, insecticide or fungicides applied to plants. No fertiliser applied. Molluscicide in the form of Mesurol pellets applied shortly after planting. Weed control of field plots by hand weeding and inter-row application of ‘Buster’ herbicide at recommended knapsack rate. Trial design: field trial design randomised complete block of 10 replicates of 10 plants of each variety. Pots arranged in 5 blocks of 12 plants of each variety in randomised order. Measurements: from all available plants in the field and pots. Resistance to Sclerotinia spp. from inoculated plants in controlled glasshouse environment and field survival counts two years later. Inoculation and assessments by Dr Bob Skipp, plant pathologist, AgResearch Grasslands. Lactucin and lactucopicrin levels determined by competitive Enzyme Linked Immuno Sorbent Assays (ELISA) conducted by R. Keogh at AgResearch Grasslands after the method described by A.M. Peters et al. in Production and Characterisation of Polyclonal Antibodies against the Bitter Sesquiterpene Lactones of Chicory (Cichorium intybus L.) J. Agric. Food Chem.,1996, 44, No.11, 3611-3615. 31
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