44. Volume 15- Number 2 - IP Australia

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PLANT VARIETIES JOURNAL 2002 VOL 15 NO. 2 knowledge grown in the Northern region. Together, these varieties accounted for about 2.2% (211,000 t) of the Northern region crop in 2001. Neither parent was included as a comparator as both have been discarded from the parent collection. However, the parents could be distinguished from the candidate variety by their individual disease resistance scores as mentioned above. Comparative Trial Location: conducted at Meringa Sugar Experiment Station (17º 12′ South, 145º 45′ East), Gordonvale, QLD. The trial was planted 27 Jul 2000 and harvested in Aug 2001. DUS data were recorded in mid May 2001. Conditions: clones were propagated from vegetative cuttings and grown under field conditions. Soil type: Clifton. Watering regime: Rainfed. Chemicals: fungicide Shirtan was applied at 400ml per hectare at planting. Stomp (4L/ha) and Atradex (2.25kg/ha) were applied one week after planting to control weeds. Diurex (4kg/ha) also was applied on 20 Nov 2000 for additional weed control. Fertilisers: DAP (120kg/ha) was applied at planting. Zinc sulphate heptahydrate (44kg/ha) was applied on 18 Nov 2000 and CK 50/50 (353kg/ha) was applied on 31 Nov 2000. Total nutrients were: N – 106 kg/ha; P – 24 kg/ha; K – 85 kg/ha; Zn – 10kg/ha; S – 5kg/ha. Trial design: clones were grown in a randomised complete block design with three replicates. Plots were single row by 10m, with 1.5m between rows. Measurements: taken from up to 15 stalks sampled randomly per plot. Prior Applications and Sales No prior application. First sold in Australia in Jun 2001. Description: Dr George Piperidis, BSES, Indooroopilly, QLD. Table 39 Saccharum varieties ‘Q199’ *‘Q96’ *‘Q127’ *‘Q167’ A ____________________________________________________ GROWTH HABIT erect semi-erect semi-erect semi-erect ____________________________________________________ TILLERING medium medium many very many ____________________________________________________ LEAF CANOPY light light to light to medium medium medium ____________________________________________________ SUCKERING very few very few very few very few to few ____________________________________________________ ALIGNMENT OF INTERNODES weakly medium medium weakly to zigzagged to strongly zigzagged medium zigzagged zigzagged ____________________________________________________ INTERNODE LENGTH – Bud Side (cm) LSD (P≤0.01) = 1.87 mean 16.2 a 18.3 ab 17.6 ab 18.5 b std deviation 1.09 2.07 2.09 2.07 short to medium medium medium medium to long to long ____________________________________________________ INTERNODE LENGTH – Side Opposite Bud (cm) LSD (P≤0.01) = 1.90 mean 15.6 a 18.0 b 17.5 ab 18.2 b std deviation 1.06 2.11 2.08 2.07 short medium medium medium to long to long ____________________________________________________ INTERNODE WIDTH – Central Perpendicular to Bud (mm) LSD (P≤0.01) = 2.6 mean 31.2 a 27.6 b 27.5 b 25.5 b std deviation 4.7 2.8 4.0 2.5 thick medium medium thin ____________________________________________________ INTERNODE WIDTH – Central Dissecting Bud (mm) LSD (P≤0.01) = 2.7 mean 32.6 a 29.2 b 27.4 b 26.1 b std deviation 4.9 2.9 4.2 2.8 thick to medium thin to thin very thick medium ____________________________________________________ INTERNODE SHAPE bobbin cylindrical cylindrical conoidal shaped to to concaveconcave- convex convex ____________________________________________________ INTERNODE CROSS-SECTION round to oval round round oval ____________________________________________________ INTERNODE DEWAXED COLOUR (RHS) – Exposed yellow- greyed- greyed- yellowgreen orange orange green (148A) (177A) (166A) (146B and and and and greyed- greyed- greyed- 148A) purple purple purple (187A) (187A) (187A) ____________________________________________________ INTERNODE DEWAXED COLOUR (RHS) – Unexposed yellow- yellow- yellow- yellowgreen green green green (151D (146C, (144C (144C and 152B) 152D and and 145C) and 146C) 153B) ____________________________________________________ INTERNODE WAX COVERING medium medium medium very light to heavy to heavy to heavy to light ____________________________________________________ WAX BAND DISTINCTIVENESS moderate distinct moderate distinct ____________________________________________________ GROWTH CRACKS very few absent very few few to few ____________________________________________________ CORK CRACKS very few few few few to medium ____________________________________________________ BUD GROOVE PRESENCE inconsp- consp- inconsp- inconspicuous icuous icuous icuous ____________________________________________________ 72
DESCRIPTIONS PLANT VARIETIES JOURNAL 2002 VOL 15 NO. 2 BUD GROOVE LENGTH very short long to very short very short to short very long to short ____________________________________________________ BUD GROOVE DEPTH very deep very very shallow shallow shallow ____________________________________________________ BUD – PROMINENCE weak weak to weak to medium to medium medium strong ____________________________________________________ BUD – SHAPE ovate to oval to ovate pentagonal to triangular triangular triangular pointed pointed pointed ____________________________________________________ BUD – POSITION OF BASE (Above Leaf Scar) medium near fused near ____________________________________________________ BUD – POSITION OF TIP (Relative to Growth Ring) level above level level ____________________________________________________ BUD WIDTH (Excluding Wings) narrow medium narrow medium ____________________________________________________ BUD WING WIDTH medium medium medium wide ____________________________________________________ LEAF SCAR PROMINENCE medium prominent medium medium to prominent ____________________________________________________ GROWTH RING flush to depressed depressed flush swollen ____________________________________________________ LAMINA WIDTH (Longitudinal Midpoint) (mm) LSD (P≤0.01) = 3.5 mean 49.3 a 47.7 a 42.5 b 41.9 b std deviation 5.5 3.6 4.5 2.2 wide medium medium narrow to to wide medium ____________________________________________________ MIDRIB WIDTH (Longitudinal Midpoint) (mm) LSD (P≤0.01) = 0.4 mean 4.5 a 4.2 ab 3.7 b 4.1 ab std deviation 0.5 0.5 0.5 0.4 medium medium narrow narrow to to wide medium ____________________________________________________ LAMINA WIDTH/MIDRIB WIDTH RATIO medium medium medium low ____________________________________________________ LAMINA ATTITUDE curve curve near curve curve near tip tip and near near tip bent near middle tip ____________________________________________________ LEAF SHEATH – ADHERENCE TO CULM weak absent to weak absent to weak weak ____________________________________________________ LENGTH OF TVD LEAF SHEATH (cm) LSD (P≤0.01) = 2.0 mean 28.4 a 30.7 ab 31.5 b 32.7 b std deviation 1.0 1.3 2.6 2.2 short to medium medium long medium to long ____________________________________________________ HAIR GROUP 57 – OCCURRENCE sparse to very sparse very sparse sparse to medium to sparse medium ____________________________________________________ HAIR GROUP 57 – LENGTH medium medium medium medium to long ____________________________________________________ LIGULE HEIGHT medium wide medium wide ____________________________________________________ HAIR GROUP 61 – DENSITY/OCCURRENCE very dense medium medium sparse to to dense sparse ____________________________________________________ AURICLE -PROMINENCE (Second Fully Unfurled Leaf) inconsp- medium inconsp- medium icuous icuous to medium ____________________________________________________ AURICLE SHAPE – ULP transitional lanceolate transitional deltoid ____________________________________________________ AURICLE SHAPE – OLP transitional transitional deltoid deltoid ____________________________________________________ Means followed by the same letter are not significantly different at P≤0.01, Duncan’s Multiple Range Test. ‘Q200’ Application No: 2002/029 Accepted: 4 Mar 2002. Applicant: Bureau of Sugar Experiment Stations, Indooroopilly, QLD. Characteristics (Table 40, Figure 47) Ploidy: cytologically complex polyploid and aneuploid interspecific hybrid. Plant: stool growth habit semi-erect, tillering medium, number of suckers very few to few, leaf canopy medium. Stem: culm height (base to TVD leaf) medium with mean length approximately 2.80m (range 2.05 to 3.56m). Internode: length on bud side medium with mean length approximately 17.5cm (range 13.5 to 20.5cm), length on opposite to bud side medium with mean length approximately 17.4cm (range 13.5 to 20.4cm), diameter of longest internode central and perpendicular to bud very thin with mean approximately 22.5mm (range 16.9 to 28.1mm), diameter of longest internode central and dissecting bud very thin with mean approximately 23.4mm (range 17.4 to 29.5mm), shape conoidal, cross-section oval, colour of dewaxed internode exposed to sun yellow-green RHS 144A and greyed-orange RHS 166A, unexposed colour yellowgreen RHS 151A and 152B, waxiness medium, wax band distinct and width medium, expression of zigzag alignment weak, growth cracks very few, cork cracks few. Bud groove: prominence medium, length medium to long, depth medium. Node: width of root band on bud side medium (mean 10.4mm), bud prominence weak to medium, bud shape ovate to triangular pointed with position of base near 73
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Plant Varieties Journal Quarter Two
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ACCEPTANCES PLANT VARIETIES JOURNAL
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ACCEPTANCES PLANT VARIETIES JOURNAL
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44. Volume 15- Number 2 - IP Australia

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