PNG170 - Giant Kalapua


PNG170(ABBT)
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Passport Data
Country of origin: Country of origin: Papua New Guinea
PDCIm Score: 5.79
Available for distribution:
Accession number: PNG170
Accession name: Giant Kalapua
Synonyms:
PNG170
Biological status of accession: traditional cultivar or landrace
Taxonomic classification:
Acquisition date: 1988-10-22
Status: active
Type of storage:
Field Collection
Morphological Characterization
Not available
Morphological Characterization Data

6.1 - Plant general appearance

6.1.1 - Leaf habit Drooping
6.1.2 - Dwarfism Normal : leaves not overlapped and leaf ratio superior to 2.5

6.2 - Pseudostem / Suckers

6.2.1 - Pseudostem height [m] 2.1 to 2.9
6.2.2 - Pseudostem aspect Robust
6.2.3 - Pseudostem colour Dark green
6.2.4 - Pseudostem appearance Shiny (not waxy)
6.2.5 - Predominant underlying colour of the pseudostem Cream
6.2.6 - Pigmentation of the underlying pseudostem Pink-purple
6.2.7 - Sap colour Milky
6.2.8 - Wax on leaf sheaths Moderately waxy
6.2.9 - Number of suckers Less than 3
6.2.10 - Development of suckers Taller than parent plant
6.2.11 - Position of suckers Close to parent (growing at an angle)

6.3 - Petiole / Midrib / Leaf

6.3.1 - Blotches at the petiole base Small blotches
6.3.2 - Blotches colour Dark brown
6.3.3 - Petiole canal leaf III Margins curved inward
6.3.4 - Petiole margins Not winged and clasping the pseudostem
6.3.5 - Wing type Not dry
6.3.6 - Petiole margin colour Green
6.3.7 - Edge of petiole margin Colourless
6.3.8 - Petiole margin width [cm] >1 cm
6.3.9 - Leaf blade length [cm] >=261 cm
6.3.10 - Leaf blade width [cm] 81 to 90 cm
6.3.11 - Petiole length [cm] 51 to 70 cm
6.3.12 - Colour of leaf upper surface Dark green
6.3.13 - Appearance of leaf upper surface Shiny
6.3.14 - Colour of leaf lower surface Green
6.3.15 - Appearance of leaf lower surface Dull
6.3.16 - Wax on leaves Moderately waxy
6.3.17 - Insertion point of leaf blades on petiole Symmetric
6.3.18 - Shape of leaf blade base Both sides rounded
6.3.19 - Leaf corrugation Very corrugated
6.3.20 - Colour of midrib dorsal surface Light green
6.3.21 - Colour of midrib ventral surface Green
6.3.22 - Colour of cigar leaf dorsal surface Green
6.3.23 - Blotches on leaves of water suckers Without blotches

6.4 - Inflorescence / male bud

6.4.1 - Peduncle length [cm] >=61 cm
6.4.2 - Empty nodes on peduncle Two or more
6.4.3 - Peduncle width [cm] >=13 cm
6.4.4 - Peduncle colour Light green
6.4.5 - Peduncle hairiness Hairless
6.4.6 - Bunch position Hanging at angle 45°
6.4.7 - Bunch shape Cylindrical with the length >= to twice the width
6.4.8 - Bunch appearance Lax (one can easily place one's hand BETWEEN the hands OF fruit)
6.4.9 - Flowers that form the fruit Hermaphrodite (presence of pollen sacs and pollens)
6.4.10 - Fruits Biseriate
6.4.11 - Rachis type Present and male bud may be degenerated or persistent
6.4.12 - Rachis position Falling vertically
6.4.13 - Rachis appearance Bare
6.4.14 - Male bud type Normal (present)
6.4.15 - Male bud shape Lanceolate
6.4.16 - Male bud size [cm] >=31 cm

6.5 - Bract

6.5.1 - Bract base shape Large shoulder
6.5.2 - Bract apex shape Obtuse and split
6.5.3 - Bract imbrication Young bracts greatly overlap (like Musa acuminata subsp. burmannica)
6.5.4 - Colour of the bract external face Purple
6.5.5 - Colour of the bract internal face Red
6.5.6 - Colour on the bract apex Tinted with yellow (discoloured)
6.5.7 - Colour stripes on bract Without discoloured lines on the external face
6.5.8 - Bract scars rachis Not prominent
6.5.9 - Fading of colour on bract base Colour homogenous (pigmentation is uniform and continues until the base)
6.5.10 - Male bract shape x/y > 0.30 (ovate)
6.5.11 - Male bract lifting Lifting two or more at a time
6.5.12 - Bract behaviour before falling Revolute (rolling)
6.5.13 - Wax on the bract Moderatly waxy
6.5.14 - Presence of grooves on the bract Few grooves or not grooved (the bract is completely, or almost completely, smooth)

6.6 - Male flower

6.6.1 - Male flower behaviour Falling before the bract
6.6.2 - Compound tepal basic colour Orange
6.6.3 - Compound tepal pigmentation Very few or no visible sign of pigmentation
6.6.4 - Lobe colour of compound tepal Orange
6.6.5 - Lobe development of compound tepal Little or not visible sign of development
6.6.6 - Free tepal colour Opaque white
6.6.7 - Free tepal shape Rounded
6.6.8 - Free tepal appearance Simple folding under apex
6.6.9 - Free tepal apex development Little or no visible sign of development
6.6.10 - Free tepal apex shape Obtuse
6.6.11 - Anther exsertion Inserted
6.6.12 - Filament colour Cream
6.6.13 - Anther colour Yellow
6.6.14 - Pollen sac colour Brown/rusty brown
6.6.15 - Pollen vitality [%] Absent
6.6.16 - Style basic colour White
6.6.17 - Pigmentation on style Without pigmentation
6.6.18 - Style exsertion Same level
6.6.19 - Style shape Curved at the base
6.6.20 - Stigma colour Cream
6.6.21 - Ovary shape Arched
6.6.22 - Ovary basic colour Cream
6.6.23 - Ovary pigmentation Very few or no visible sign of pigmentation
6.6.24 - Dominant colour of male flower Yellow
6.6.25 - Irregular flowers Absent
6.6.26 - Arrangement of ovules Four-rowed (more or less)

6.7 - Fruit

6.7.1 - Fruit position Perpendicular to the stalk
6.7.2 - Number of fruits >=17
6.7.3 - Fruit length [cm] 16-20 cm
6.7.4 - Fruit shape Straight in the distal part
6.7.5 - Transverse section of fruit Slightly ridged
6.7.6 - Fruit apex Blunt-tipped
6.7.7 - Remains of flower relicts at fruit apex Persistent style
6.7.8 - Fruit pedicel length [mm] 11 to 20 mm
6.7.9 - Fruit pedicel width [mm] 5 to 10 mm
6.7.10 - Pedicel surface Hairless
6.7.11 - Fusion of pedicels Very partially or no visible sign of fusion
6.7.12 - Immature fruit peel colour Light green
6.7.20 - Fruits fall from hands Persistent
Phenotyping
Not available
Collecting/acquisition source
Type Name Donor Code Donor Institute Country
1. Collecting mission MADANG TOWN PNG170 Donor Institute Country: Papua New Guinea
Collecting Location
Latitude: 5° 13′ 59.9988″ S
Longitude: 145° 45′ 0″ E
Department/County: Madang
Location of Collecting Site: Madang, Madang Town
Molecular Characterisation
Not available
Publications
Not available