54. Volume 12- Number 4 - IP Australia

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PLANT VARIETIES JOURNAL 1999 VOL 12 NO. 4 Choice of Comparators ‘Bantam’ A and ‘Thimble’ A were initially considered for the comparative trial as these are similar varieties of common knowledge. ‘Thimble’ A was later excluded from the trial because of differing fruit colours (RHS 79B and 6 C-D before maturity and RHS 44A and RHS 45 at maturity) and shorter leaf lengths. ‘Bantam’ A was used as a comparator because it is the maternal variety from which the candidate ‘Orange Bantam’ was derived. Comparative Trial Comparator ‘Bantam’ A . Location: A.J.Newport and Son Pty Ltd, Winmalee, Jul Nov 1999. Conditions: trials conducted in a greenhouse, plants propagated from seed at 23ºC in a commercial mix, seedlings planted out in 150mm pots containing commercial media, dripper irrigated, spacing at 20cm, nutrition, pest and disease treatment as required. Trial design: 30 plants of each variety arranged in a completely random design. Measurements: from all trial plants, one sample per plant. Prior Applications and Sales No prior applications. First Australian sale in 1998. Description: Melissa Hunt, A.J.Newport and Son Pty Ltd, Winmalee, NSW. Table 16 Capsicum varieties ‘Orange Bantam’ *‘Bantam’ A ____________________________________________________ PLANT: WIDTH AT FLOWERING (mm) mean 213 184 std deviation 29 36 LSD/sig 22 P≤0.01 ____________________________________________________ LEAF: LENGTH OF BLADE (mm) mean 125 112 std deviation 10 16 LSD/sig 9 P≤0.01 ____________________________________________________ FRUIT: VOLUME (mm 3 ) mean 11500 13967 std deviation 2898 3819 LSD/sig 2382 P≤0.01 ____________________________________________________ FRUIT: COLOUR AT MATURITY (RHS, 1986) 32A 45A-46A ____________________________________________________ FRUIT: PREDOMINANT NUMBER OF LOCULES 2 or 3 3 ____________________________________________________ FRUIT: WEIGHT(g) mean 7.4 9.0 std deviation 1.7 2.4 LSD/sig 1.4 P≤0.01 ____________________________________________________ FRUIT: STALK LENGTH (mm) mean 26.8 24.6 std deviation 3.2 2.1 LSD/sig 1.8 P≤0.01 ____________________________________________________ ERIOSTEMON Philotheca myoporoides ‘Lime Delight’ Application No: 99/237 Accepted: 23 Sep 1999. Applicant: R. J. Cherry, Kulnura, NSW. Characteristics (Table 17, Figure 17) Plant: vigorous, upright, branching, evergreen shrub. Stem: terete in cross section, verrucose, new stem growth lime-green (144B/151B) aging to deeper green (146B). Leaf: coriaceous, alternate, length 63mm (average), width 8mm (average), shape oblong to broadly obovate, concave in cross section, margin entire with weak undulation, apex mucronate, base cuneate, colour of mature leaves mid green (137A), new growth lighter (151A). Inflorescence: cyme. Flower: axillary, white (petal RHS 155D) with a very slight purple tinge to the back of the petal, size medium (average diameter 18.9mm). (Note: all RHS colour chart number refers to 1995 edition). Origin and Breeding Spontaneous mutation: in 1995, several thousand rooted cuttings were produced from Philotheca myoporoides (common form) at applicant’s nursery at Kulnura, NSW. One of these cuttings gave rise to a plant, which exhibited lighter coloured leaf and stem characteristics than the parent plant. Cuttings were taken from this sport and all resultant plants exhibited the same lighter colouration. Selection criteria: lighter leaf and stem colour. Propagation: asexually by cuttings through three generations to ensure uniformity and stability. Breeder: R. J. Cherry, Paradise Plants, Kulnura, NSW, Australia. Choice of Comparator The comparator used in this trial is Philotheca myoporoides (common form). This variety has been chosen as it is the most similar variety of common knowledge and is also the parent. Comparative Trial Comparator: Philotheca myoporoides (common form). Location: trial conducted at Paradise Plants, Kulnura, between 1997-1999. Conditions: plants raised on their own roots from cuttings. Grown in 200mm pots in commercial potting mix and potted up into 250mm pots after 1 year, grown under full sun with overhead watering. All plants were subjected to the same chemical treatments for crop protection and nutrition as required. Trial design: 12 plants of each variety arranged in a complete block. Measurements: taken from 10 plants of each variety. Prior Applications and Sales No prior application. First sold in Australia in May 1997. Description : John Robb, Paradise Plants, Kulnura, NSW. 34
DESCRIPTIONS PLANT VARIETIES JOURNAL 1999 VOL 12 NO. 4 Table 17 Philotheca varieties ‘Lime Delight’ *Philotheca myoporoides (Common Form) ____________________________________________________ PLANT HABIT upright, branching upright, branching ____________________________________________________ STEM CHARACTERISTICS cross section terete terete texture verrucose verrucose stem: colour of new growth 144B/151B 144A ____________________________________________________ LEAF COLOUR (RHS, 1995) mature leaf colour 137A 137A main colour of new leaves 151A 146B margin colour of new leaves 151A 144A ____________________________________________________ FLOWER CHARACTERISTICS petal colour 155D 155D purplish tinge on reverse side of the petal less prominent more prominent ____________________________________________________ Note: All RHS colour chart numbers refer to 1995 edition FIELD PEA Pisum sativum ‘Cooke’ Application No: 99/227 Accepted: 9 Nov 1999. Applicant: Chief Executive Officer, Agriculture Western Australia, Perth, WA and Grains Research and Development Corporation, Barton, ACT. Characteristics (Table 18, Figure 41) Plant: a high quality milling grade, conventional leaf type field pea, height tall, time of flowering medium to late, maturity medium, anthocyanin absent. Foliage: colour green, intensity light to medium. Leaf: conventional, medium to large, dentation very weak, usually 6 leaflets (average 5.97) per leaf at 1st fertile node, parchment weak, distance from widest point to base long. Stipule: well developed, flecking present, maximum intensity medium. Flower: white, shape of base of standard arched. Pod: shape straight or weak concave curvature, usually 2 per peduncle at 2nd fertile node, 4 to 5 ovules (average 4.47) per pod, shape of distal part blunt. Seed: shape spherical, size medium (100 seed weight 15.7 g), cotyledon colour yellow, dimple absent, testa; colour cream, plain, hilum black, shape of starch grains complex. Origin and Breeding Controlled pollination: seed parent ‘Derrimut’ x pollen parent WA532 (a South Australian breeding line, code SA 1331). ‘Cooke’ has white flowers, cream coloured testa and black hilum which is easily distinguished from the seed parent ‘Derrimut’ which has coloured flowers, dun coloured testa and white hilum. ‘Cooke’ is distinct from the pollen parent WA532, a semi leafless type while ‘Cooke is a conventional leaf type. The original cross was made in Western Australia in 1988, single plants selected in F 2 and F 2 derived F 3 to F 5 lines were evaluated over the next three years. Single plants were reselected from the promising F 2 derived F 5 lines to produce near homozygous lines. The F 5 derived F 8 lines were tested in breeders trials and then five years of performance testing in the Crop Variety Tests conducted by AGWEST in various regional locations in Western Australia. Selection criteria: increased seed quality and yield, agronomic adaptation to the agricultural regions of Western Australia. Propagation: by seed. Breeder: Dr. T Khan and Dr. R French, Agriculture Western Australia, South Perth, WA. Choice of Comparators ‘Laura’ and ‘Wirrega’ are white flowered, conventional leaf type varieties similar to ‘Cooke’. Both ‘Laura’ and ‘Wirrega’ are most similar varieties of common knowledge in southern Australia. Comparative Trial Comparators: ‘Laura’ and ‘Wirrega’. Location: Avon Districts Agriculture Centre, Northam WA. Sown 2/6/99. Conditions: plants were in red loam pH 5.6 in CaCl 2 in open plots. The plots were treated with 2.2l/ha Bladex® plus glyphosate 2 days before seeding, Hoegrass® at 1.5l/ha on 1/7/99 and Sertin® at 250 ml/ha on 19/7/99 where applied for grass control, no treatment for disease or insect control was required. Agras® No 1 at 120 kg/ha was drilled with the seed, all seed was inoculated with group E inoculum the day it was sown. Trial design: plants sown in randomised complete blocks 10m long by 1.42m (8 rows) wide by 2 replications. Measurements: taken from 10 specimens per replicate selected randomly from approximately 2000 plants. Prior Applications and Sales Nil. Description: David Allen Collins, Northam, WA . Table 18 Pisum varieties ‘Cooke’ *‘Laura’ *‘Wirrega’ ____________________________________________________ HEIGHT AT FIRST FLOWER (mm) mean 1196.75 891.00 1049.00 std deviation 128.76 107.14 97.86 LSD/sig 95.31 P≤0.01 P≤0.01 ____________________________________________________ WIDTH OF FLOWER BASE (mm) mean 31.37 30.38 28.38 std deviation 1.61 1.29 1.80 LSD/sig 2.85 ns P≤0.01 ____________________________________________________ HEIGHT AT MATURITY (mm) mean 1602.00 1396.85 1301.00 std deviation 227.37 314.64 190.96 LSD/sig 209.41 ns P≤0.01 ____________________________________________________ 100 SEED WEIGHT (g) (from harvest sample) mean 15.72 13.19 14.28 std deviation 1.15 0.6 0.64 LSD/sig 2.5 P≤0.01 ns ____________________________________________________ HILUM: COLOUR black white white ____________________________________________________ TESTA: COLOUR cream white white ____________________________________________________ 35
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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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