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47. Volume 14- Number 2 - IP Australia

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STOLON BRANCHING<br />

present absent or absent or absent or<br />

very weak very weak very weak<br />

____________________________________________________<br />

INTERNODE LENGTH (mm)<br />

mean 17.50 30.53 28.01 29.07<br />

std deviation 2.81 6.41 7.07 5.75<br />

LSD/sig 7.10 P≤0.01 P≤0.01 P≤0.01<br />

____________________________________________________<br />

LEAF WIDTH (mm) – 4th leaf from tip of main stolon<br />

mean 5.19 3.53 3.84 5.03<br />

std deviation 1.15 0.37 0.53 0.90<br />

LSD/sig 0.84 P≤0.01 P≤0.01 ns<br />

____________________________________________________<br />

Phaseolus vulgaris<br />

Navy Bean<br />

‘Hyperno’<br />

Application No: 2000/154 Accepted: 7 Jun 2000.<br />

Applicant: The State of Queensland through its<br />

Department of Primary Industries, Brisbane, QLD and<br />

Grains Research and Development Corporation, Barton,<br />

ACT.<br />

Characteristics (Table 27, Figure 45) Plant: growth type<br />

dwarf, vining semi-determinate. Leaf: medium green<br />

colour, size small. Flower: size of bract medium, colour of<br />

standard flower white, colour of wing white. Pod: length<br />

medium, shape of cross section elliptic to ovate, main<br />

colour purple, secondary colour absent, stringiness present,<br />

beak length short. Seed: weight low, longitudinal shape<br />

elliptic, transverse shape broad elliptic, number of colours<br />

one, main colour white. Time of flowering: medium.<br />

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

W<strong>14</strong>01 x pollen parent ‘Rainbird’ in a planned breeding<br />

program. ‘Hyperno’ (breeder’s code CH273-19D) is a<br />

selection from this cross, made in 1988. F 2 and F 3<br />

generations were bulk selected for resistances to rust and<br />

common blight, at Hermitage Research Station; the F 4<br />

generation was grown with field inoculation of both rust<br />

and common blight with single plant selection for pod<br />

production, erect habit and disease resistance. Seed of each<br />

F 4 selection was separately threshed then divided, with one<br />

portion used for inoculated seedling tests for resistance to<br />

peanut mottle virus and the other portion used for F 5<br />

progeny rows grown for seed increase at Redlands Research<br />

Station and under field inoculation for rust and blight. The<br />

resultant F 6 lines were evaluated in state-wide yield trials<br />

from 1991-1998. Selection criteria: grain yield, canning<br />

quality, erect habit for direct heading, resistances to rust,<br />

common blight and peanut mottle virus, resistance to<br />

shattering and earlier maturity than ‘Rainbird’ parent. The<br />

variety has been selected for uniformity in F 12 progeny rows<br />

at Bowen in 1994, with uniform rows bulked for the<br />

production of breeder’s seed at Ayr in 1997. Propagation: by<br />

seed. Breeder: Dr Robert J. Redden, Queensland<br />

Department of Primary Industries.<br />

Choice of Comparators Initially ‘Sirius’, ‘Actolac’,<br />

‘Spearfelt’, ‘Kerman’, ‘Rainbird’ (pollen parent) and<br />

W<strong>14</strong>01 (seed parent) were considered as comparators.<br />

However, ‘Sirius’, ‘Actolac’, ‘Spearfelt’, ‘Kerman’ and<br />

PLANT VARIETIES JOURNAL 2001 VOL <strong>14</strong> NO. 2<br />

W<strong>14</strong>01 were later excluded because they could be easily<br />

differentiated from the candidate variety by their green pod<br />

colour (see comparative photograph). In addition, material<br />

without the combination of resistance to <strong>Australia</strong>n strains<br />

of bean rust and resistance to peanut mottle virus were<br />

excluded. Finally, ‘Rainbird’ was considered as the most<br />

suitable comparator on the basis of pod colour.<br />

Comparative Trials Location: Hermitage Research<br />

Station, Warwick, QLD (Latitude 28º S), between Jan- Apr<br />

1999. Conditions: the trial was conducted under standard<br />

management practices. Trial design: over 500 plants in six<br />

separate rows were grown per variety. Measurements: taken<br />

at random from 30 different plants. Stability of the<br />

discriminating character of pod colouration was established<br />

by growing progeny in the glasshouse at Hermitage in<br />

winter 1999. Data for 100-seed-weight and days-to-firstflower<br />

are from multi-site variety trials with 3 replicates.<br />

These two characteristics are influenced by environment<br />

and will not be different in all environments. In 2001, a<br />

repeat test was grown at Hermitage Research Station to<br />

check the earlier trial data and confirmed that the qualitative<br />

differences recorded in earlier trials were consistent.<br />

Prior Applications and Sales Nil.<br />

Description: Alan Cruickshank, QDPI, Kingaroy, QLD.<br />

Table 27 Phaseolus varieties<br />

‘Hyperno’ *‘Rainbird’<br />

____________________________________________________<br />

PLANT: VINING<br />

semi – determinate<br />

determinate<br />

____________________________________________________<br />

LEAF SIZE<br />

small large<br />

____________________________________________________<br />

DAYS TO FIRST FLOWER (multi-site variety trial)<br />

Biloela, 1995 47 a 51 b [1.7]<br />

Biloela, 1998 45 a 50 b [0.3]<br />

Kingaroy, 1995 38 a 41 b [1.9]<br />

Kumbia, 1998 37 a 37 a [3.6]<br />

____________________________________________________<br />

100 SEED WEIGHT (g) (multi-site variety trial)<br />

Tamworth, 1995 15.2 a 16.6 b [1.2]<br />

Emerald, 1996 18.8 a 21.3 b [1.2]<br />

Emerald, 1997 19.0 a 21.1 b [1.3]<br />

____________________________________________________<br />

Note: mean values followed by different letter codes indicate a significant<br />

difference at P≤0.01 at different locations. The LSD values from respective<br />

multi-site trial are given in brackets next to ‘Rainbird’ mean value.<br />

Poa labillardieri<br />

Tussock Grass<br />

‘Eskdale’<br />

Application No: 1997/169 Accepted: 7 Aug 1997.<br />

Applicant: Todd Layt, Clarendon, NSW.<br />

Characteristics (Table 28, Figure 51) Plant: large,<br />

perennial, tufted, glaucous Tussock Grass. Leaves: light<br />

green, scabrous, glaucous abaxial surface, open u-shape in<br />

cross-section, remain green to late in the season, the abaxial<br />

49<br />

DESCR<strong>IP</strong>TIONS

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