53. Volume 13- Number 1 - IP Australia

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PLANT VARIETIES JOURNAL 2000 VOL 13 NO. 1 Table 18 Continued LEAF COLOUR (RHS, 1995) centre secondary colour green yellow-green yellow-green 137C 147C 146D ____________________________________________________ FLOWER BUD COLOUR (RHS, 1995) greyed-purple yellow yellow-green 185B 13D 149B ____________________________________________________ FLOWER PETAL COLOUR (RHS, 1995) red white white 55B 155C 155C ____________________________________________________ LEAF TWISTING absent absent present ____________________________________________________ STEM COLOURATION green green yellow-green _______________________________________________ Gossypium hirsutum Cotton ‘Sicala V-2RR’ Application No: 1999/036 Accepted: 16 March 1999. Applicant: CSIRO Plant Industry, Cotton Research Unit, Narrabri, NSW. Characteristics (Table 19, Figure 42) Plant: shape conical, height medium (mean 95.9cm), medium maturity (178 days to mature), medium foliage density. Leaf: palmate, very slight pubescence of midrib, gossypol and nectary glands present. Flower: colour of petals cream. Boll: size large, shape elliptical, pitting of surface fine, length of peduncle medium (mean 25mm), prominence of tip medium, opening medium, bract size large (44x29mm). Seeds: density of fuzz medium. Lint: proportion high (0.40), length medium (28.8mm), strength high (32g/tex), micronaire value medium (3.4). Disease reaction: resistant to bacterial blight (Xanthomonas campestris pv malvacearum), good tolerance to verticillium wilt (Verticillium dahliae). Herbicide reaction: tolerant to glyphosate. Origin and Breeding Controlled pollination: seed parent 94608 x pollen parent ‘Sicala V-2’ A at Australian Cotton Research Institute (ACRI), Narrabri, NSW. The seed parent is distinguished by its segregating glyphosate tolerance. The pollen parent is distinguished by its susceptibility to glyphosate. This cross was the third backcross of ‘Sicala V- 2’ A onto a line transformed with a Monsanto glyphosate tolerance gene. The first cross was carried out at St. Louis, USA and the F1 sent to quarantine at CSIRO Plant Industry in Canberra, Australia where the first backcross was carried out using ‘Sicala V-2’ A . Two subsequent backcrosses using ‘Sicala V-2’ A as the recurrent parent were carried out at ACRI. At all stages progeny were screened for the glyphosate tolerance gene and a marker gene. Following the final backcross selfing was done and single plant selection followed by progeny row and multiple environment trials were carried out. Selection criteria: glyphosate tolerance, resistance to bacterial blight and Verticillium wilt, leaf hairiness, fibre quality and yield. Propagation: by seed. Breeder: Mr P E Reid, CSIRO Plant Industry, Cotton Research Unit, Narrabri, NSW. Choice of Comparators ‘Sicala V-2’ A was chosen because it is the recurrent parent and the most similar variety of common knowledge. The parent 94608 was not considered as a comparator because it is easily distinguished from ‘Sicala V-2RR’ because of its segregating glyphosate tolerance. Comparative Trials Comparator: ‘Sicala V-2’ A . Trial location: ACRI, Narrabri, NSW, 1998 - 99 summer. Morphology and fibre quality trial conditions: field grown irrigated trial with conventional management. Trial design: 15 entry trial in a row and column design with three replicates and three row x 14m plots. Measurements: morphological measurements on 10 plants from each plot. Lint % and fibre quality measurements taken on a 50 boll sample from the centre row of each plot. Fibre quality was measured on a Zellweger Uster HVI 900 instrument. Glyphosate tolerance trial conditions: glasshouse trial using 255mm pots. Trial design: four pots containing four plants each for each treatment in a completely randomised design. Standard commercial dose of Glyphosate was sprayed onto plants at the 4 leaf stage. Prior Application and sales Nil. Description: Peter Reid, CSIRO Plant Industry, Cotton Research Unit, Narrabri, NSW. Table 19 Gossypium varieties ‘Sicala V-2RR’ *‘Sicala V-2’ A ____________________________________________________ PLANT WILTING 7 DAYS AFTER GLYPHOSATE APPLICATION no wilting severe wilting ____________________________________________________ PLANT DAMAGE 14 DAYS AFTER GLYPHOSATE APPLICATION no damage dead _______________________________________________ ‘Sicot 189RR’ Application No: 1999/037 Accepted: 16 March 1999. Applicant: CSIRO Plant Industry, Cotton Research Unit, Narrabri, NSW. Characteristics (Table 20, Figure 43) Plant: shape conical, height medium (mean 91.9cm), late maturity (180 days to mature), medium foliage density. Leaf: palmate, very slight pubescence of midrib, gossypol and nectary glands present. Flower: colour of petals cream. Boll: size medium, shape elliptical, pitting of surface fine, length of peduncle medium (mean 24mm), prominence of tip medium, opening medium, bract size medium (41x24 mm). Seeds: density of fuzz medium. Lint: proportion high (0.38), length medium (29.8mm), strength high (33g/tex), micronaire value medium (3.4). Disease reaction: resistant to bacterial blight (Xanthomonas campestris pv malvacearum), good tolerance to verticillium wilt (Verticillium dahliae). Herbicide reaction: tolerant to glyphosate. 38
DESCRIPTIONS PLANT VARIETIES JOURNAL 2000 VOL 13 NO. 1 Origin and Breeding Controlled pollination: seed parent 94606 x pollen parent ‘Sicot 189’ A at Australian Cotton Research Institute (ACRI), Narrabri, NSW. The seed parent is distinguished by its segregating glyphosate tolerance. The pollen parent is distinguished by its susceptibility to glyphosate. This cross was the third backcross of ‘Sicot 189’ A onto a line transformed with a Monsanto glyphosate tolerance gene. The first cross was carried out at St. Louis, USA and the F1 sent to quarantine at CSIRO Plant Industry in Canberra, Australia where the first backcross was carried out using ‘Sicot 189’ A . Two subsequent backcrosses using ‘Sicot 189’ A as the recurrent parent were carried out at ACRI. At all stages progeny were screened for the glyphosate tolerance gene and a marker gene. Following the final backcross selfing was done and single plant selection followed by progeny row and multiple environment trials were carried out. Selection criteria: glyphosate tolerance, resistance to bacterial blight and Verticillium wilt, leaf hairiness, fibre quality and yield. Propagation: by seed. Breeder: Mr P E Reid, CSIRO Plant Industry, Cotton Research Unit, Narrabri, NSW. Choice of Comparators ‘Sicot 189’ A was chosen because it is the recurrent parent and the most similar variety of common knowledge. The parent 94606 was not considered as a comparator because it is easily distinguished from ‘Sicot 189RR’ because of its segregating glyphosate tolerance. Comparative Trials Comparator: ‘Sicot 189’ A . Trial location: ACRI, Narrabri, NSW, 1998 – 99 summer. Morphology and fibre quality trial conditions: field grown irrigated trial with conventional management. Trial design: 15 entry trial in a row and column design with three replicates and three row x 14m plots. Measurements: morphological measurements on 10 plants from each plot. Lint % and fibre quality measurements taken on a 50 boll sample from the centre row of each plot. Fibre quality was measured on a Zellweger Uster HVI 900 instrument. Glyphosate tolerance trial conditions: glasshouse trial using 255mm pots. Trial design: four pots containing four plants each for each treatment in a completely randomised design. Standard commercial dose of Glyphosate was sprayed onto plants at the 4 leaf stage. Prior Application and sales Nil. Description: Peter Reid, CSIRO Plant Industry, Cotton Research Unit, Narrabri, NSW. Table 20 Gossypium varieties ‘Sicot 189RR’ * ‘Sicot 189’ A ____________________________________________________ PLANT WILTING 7 DAYS AFTER GLYPHOSATE APPLICATION no wilting severe wilting ____________________________________________________ PLANT DAMAGE 14 DAYS AFTER GLYPHOSATE APPLICATION no damage dead ____________________________________________________ Hordeum vulgare Barley ‘Lindwall’ Application No: 1998/044 Accepted: 18 May 1998. Applicant: The State of Queensland through its Department of Primary Industries, Brisbane, QLD and The Grains Research and Development Corporation, Barton, ACT. Characteristics (Table 21, Figure 52) Plant: growth habit intermediate, height medium. Lower leaves: hairiness of leaf sheath absent. Flag Leaf: anthocyanin colouration of auricles present, intensity of anthocyanin colouration of auricles medium, glaucosity of sheath strong. Inflorescence: time of ear emergence medium-late. Awns: length compared to ear short, anthocyanin colouration of tips present, intensity of anthocyanin colouration of tips medium, spiculation of margins present. Ear: attitude semierect, length medium, number of rows two, density medium, shape parallel, glaucosity weak. Rachis: length of first segment short, curvature of first segment weak. Sterile spikelet: attitude divergent. Median spikelet: length of glume and awn relative to grain equal. Grain: rachilla hair type short, husk present, spiculation of inner lateral nerves of dorsal side of lemma medium, hairiness of ventral furrow absent, disposition of lodicules clasping. Kernel: colour of aleurone layer whitish. Origin and Breeding Controlled pollination: seed parent ‘Triumph’ x pollen parent ‘Grimmett’. The seed parent is characterised by semi-prostrate growth habit, mediumstrong intensity of anthocyanin colouration of the auricles, weak intensity of anthocyanin colouration of the tips of the awns, tapering ear shape, equal length of awns compared to the ears and long rachilla hair. The pollen parent is characterised by semi-erect growth habit, very strong anthocyanin colouration of the auricles, medium time to ear emergence, strong intensity of anthocyanin colouration of the awns, medium plant height, lax ear density, equal length of awns compared to the ears, medium length of the first rachis segment, strong curvature of the first rachis segment and parallel to weakly divergent attitude of the sterile spikelets. Hybridisation took place in Warwick, Queensland, Australia in 1981. From this cross, F2 derived line number 121 was tested in field trials between 1984 and 1989 and selected on the basis of agronomic, plant pathology and grain quality data. Reselection number 121- 1 was selected in trials from 1990 to 1995 on the basis of agronomic, plant pathology and grain quality data. Selection criteria: high grain-yield potential, suitable agronomic characteristics for cultivation in Queensland and northern New South Wales and potential for use in industrial malting and brewing. Propagation: by seed. Breeder: Dr Raymond Paul Johnston, Queensland Department of Primary Industries – Farming Systems Institute, Hermitage Research Station, Warwick, QLD. Choice of Comparators ‘Gairdner’ A , ‘Gilbert’ and ‘Tallon’ were chosen for the comparative trial, as these are the most similar varieties of common knowledge. ‘Gairdner’ A and ‘Gilbert’ have similar maturity to ‘Lindwall’. ‘Tallon’ has slightly earlier maturity. ‘Tallon’ is 39
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