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53. Volume 13- Number 1 - IP Australia

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PLANT VARIETIES JOURNAL 2000 VOL <strong>13</strong> NO. 1<br />

Table 39 Continued<br />

FLOWER DIAMETER (mm)<br />

mean 120.61 104.70<br />

std deviation 9.79 4.07<br />

LSD/sig 14.80 P≤0.01<br />

____________________________________________________<br />

FLOWER SIDE VIEW LOWER PART<br />

flattened convex concave<br />

____________________________________________________<br />

FLOWER FRAGRANCE<br />

absent or very weak strong<br />

____________________________________________________<br />

SEPAL EXTENSIONS<br />

absent medium<br />

____________________________________________________<br />

PETAL COLOUR (RHS, 1995)<br />

midzone inside 48B/39B 48B<br />

margin inside 48A/39A 48A<br />

midzone outside 48D/49A 48A<br />

margin outside 51A/50B 48A-B<br />

____________________________________________________<br />

BASAL SPOT<br />

present present<br />

____________________________________________________<br />

SIZE OF BASAL SPOT<br />

large<br />

medium<br />

____________________________________________________<br />

BASAL SPOT COLOUR (RHS, 1995)<br />

inner side 2B 155D/1D<br />

outer side 2C 1C<br />

____________________________________________________<br />

PETAL: REFLEXING OF MARGIN<br />

weak<br />

medium<br />

____________________________________________________<br />

PETAL: UNDULATION OF MARGIN<br />

medium weak<br />

____________________________________________________<br />

OUTER STAMEN: PREDOMINANT COLOUR<br />

pink<br />

yellow<br />

____________________________________________________<br />

‘JAColber’ syn Opening Night<br />

Application No: 1998/076 Accepted 3 Sept 1998<br />

Applicant: Bear Creek Gardens Inc., Somis, California,<br />

USA.<br />

Agent: Swane Bros. Pty Ltd, Narromine, NSW.<br />

Characteristics (Table 40, Figure 6) Plant: growth habit<br />

narrow, bushy, medium, hybrid tea. Young shoot:<br />

anthocyanin colouration weak, colour reddish brown.<br />

Thorns: short prickles absent, many long prickles, shape<br />

concave. Leaf: size medium, colour dark green. Terminal<br />

leaflet: cross section concave, margin undulation medium,<br />

shape of base obtuse. Flower bud: shape broad ovate.<br />

Flower: double, medium petal number, flower diameter<br />

large, viewed from above irregularly round, side profile<br />

upper flat, side profile lower flattened convex, fragrance<br />

weak. Petal: size very large, middle zone inner side ca RHS<br />

45B, marginal zone inner side ca RHS 45A, middle zone<br />

outer side RHS 53D, marginal zone outer side RHS 53C,<br />

basal spot present, size small, colour RHS 1D, reflexing of<br />

margin medium, undulation of margin weak. Stamen<br />

filament: colour pink. Flowering habit: remontant. (Note:<br />

all RHS chart numbers refer to 1995 edition.)<br />

Origin and Breeding Controlled pollination: seed parent<br />

‘Macauck’ syn Olympiad (US Plant Patent 5519) x<br />

‘Poulman’ syn Ingrid Bergman (US Plant Patent 6264) in a<br />

planned breeding program. The seed parent is a hybrid tea<br />

rose bearing flowers of a brilliant red colouration (RHS<br />

53A). The pollen parent has a significantly shorter plant<br />

habit bearing flowers of a cardinal red colouration (RHS<br />

46A). Selection criteria: seedlings from the cross were<br />

grown and selection was made on the basis of flower<br />

colouration and plant growth habit. Propagation:<br />

vegetatively through many generations. Breeder: Keith W.<br />

Zary, Somis, California. USA.<br />

Choice of Comparators ‘Avon’ and ‘Legend’ were<br />

considered to be the closest comparators for their similarity<br />

in flower colour. The parents were not considered because<br />

of different red colouration as stated above.<br />

Comparative Trial Comparators: ‘Avon’ and ‘Legend’.<br />

Location: Swane’s Nursery, Narromine, NSW in Nov 1999.<br />

Conditions: plant were budded on root stocks and raised in<br />

open beds. Trial Design: completely randomised.<br />

Measurements: from 10 plants taken at random.<br />

Prior Applications and Sales<br />

Country Year Current Status Name Applied<br />

USA 1997 Applied ‘JAColber’<br />

First sold in USA in 1997.<br />

Description: Geoffrey Swane, Swane Bros. Pty Ltd, Narromine, NSW.<br />

Table 40 Rosa varieties<br />

‘JAColber’ *‘Avon’ *‘Legend’<br />

____________________________________________________<br />

PLANT GROWTH HABIT<br />

narrow bushy bushy bushy<br />

____________________________________________________<br />

PLANT HEIGHT<br />

medium medium tall<br />

____________________________________________________<br />

YOUNG SHOOT: ANTHOCYANIN COLOURATION<br />

weak medium medium<br />

____________________________________________________<br />

PRICKLE SHAPE<br />

concave deep concave concave<br />

____________________________________________________<br />

LEAF GLOSSINESS OF UPPERSIDE<br />

weak medium weak<br />

____________________________________________________<br />

LEAFLET CROSS SECTION<br />

concave slight concave flat<br />

to flat<br />

to slight<br />

convex<br />

____________________________________________________<br />

LEAFLET UNDULATION OF MARGIN<br />

medium very weak medium<br />

____________________________________________________<br />

TERMINAL LEAFLET LENGTH (mm)<br />

mean 63.00 77.83 73.00<br />

std deviation 4.64 5.49 8.00<br />

LSD/sig 10.56 P≤0.01 ns<br />

____________________________________________________<br />

60

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