PNG 171 - Dwarf kalapua

 
Passport Data
Country of origin: Country of origin: Papua New Guinea
PDCIm Score: 4.17
Available for distribution:
Accession number: PNG 171
Accession name: Dwarf kalapua
Taxonomic classification:
Musaceae
Musa
Eumusa
ABB
subgr. Kalapua
Institute code: PNG004 (NARI)
Acquisition date: 1970-08-19
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 Dwarf type : leaves strongly overlapped and leaf ratio inferior to 2.5

6.2 - Pseudostem / Suckers

6.2.1 - Pseudostem height [m] <=2
6.2.2 - Pseudostem aspect Normal
6.2.3 - Pseudostem colour Medium green
6.2.4 - Pseudostem appearance Dull (waxy)
6.2.5 - Predominant underlying colour of the pseudostem Cream
6.2.6 - Pigmentation of the underlying pseudostem Purple
6.2.7 - Sap colour Watery
6.2.8 - Wax on leaf sheaths Moderately waxy
6.2.9 - Number of suckers 3 to 5
6.2.10 - Development of suckers Between 1/4 and 3/4 of the height of the 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 Sparse blotching
6.3.2 - Blotches colour Brown
6.3.3 - Petiole canal leaf III Margins curved inward
6.3.4 - Petiole margins 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] <=170 cm
6.3.10 - Leaf blade width [cm] 71 to 80 cm
6.3.11 - Petiole length [cm] <=50 cm
6.3.12 - Colour of leaf upper surface Dark green
6.3.13 - Appearance of leaf upper surface Dull
6.3.14 - Colour of leaf lower surface Dark green
6.3.15 - Appearance of leaf lower surface Dull
6.3.16 - Wax on leaves Very 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] <=30 cm
6.4.2 - Empty nodes on peduncle One
6.4.3 - Peduncle width [cm] >=13 cm
6.4.4 - Peduncle colour Green
6.4.5 - Peduncle hairiness Hairless
6.4.6 - Bunch position Horizontal
6.4.7 - Bunch shape Cylindrical with the length >= to twice the width
6.4.8 - Bunch appearance Very compact (one cannot place one's finger BETWEEN the hands OF fruit)
6.4.10 - Fruits Uniseriate
6.4.11 - Rachis type Present and male bud may be degenerated or persistent
6.4.12 - Rachis position At an angle
6.4.13 - Rachis appearance Bare
6.4.14 - Male bud type Normal (present)
6.4.15 - Male bud shape Intermediate
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 Intermediate
6.5.3 - Bract imbrication Young bracts greatly overlap (like Musa acuminata subsp. burmannica)
6.5.4 - Colour of the bract external face Purple-brown
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 Not revolute (not rolling)
6.5.13 - Wax on the bract Very waxy
6.5.14 - Presence of grooves on the bract Moderate grooving (parallel ridges are distinguishable)

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 Presence of pink
6.6.4 - Lobe colour of compound tepal Orange
6.6.5 - Lobe development of compound tepal Very developed
6.6.6 - Free tepal colour Translucent white
6.6.7 - Free tepal shape Oval
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 Thread-like
6.6.11 - Anther exsertion Inserted
6.6.12 - Filament colour Cream
6.6.13 - Anther colour Cream
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 under stigma
6.6.20 - Stigma colour Yellow
6.6.21 - Ovary shape Straight
6.6.22 - Ovary basic colour White
6.6.23 - Ovary pigmentation Very few or no visible sign of pigmentation
6.6.24 - Dominant colour of male flower Cream
6.6.25 - Irregular flowers Frequent
6.6.26 - Arrangement of ovules Four-rowed (more or less)

6.7 - Fruit

6.7.1 - Fruit position Curved upward (obliquely, at a 45° angle upward)
6.7.2 - Number of fruits 13-16
6.7.3 - Fruit length [cm] <=15 cm
6.7.4 - Fruit shape Straight (or slightly curved)
6.7.5 - Transverse section of fruit Pronounced ridges
6.7.6 - Fruit apex Bottle-necked
6.7.7 - Remains of flower relicts at fruit apex Base of style prominent
6.7.8 - Fruit pedicel length [mm] <=10 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
6.7.13 - Mature fruit peel colour Yellow
6.7.14 - Fruit peel thickness [mm] Two or less
6.7.15 - Adherence of the fruit peel Fruit does not peal easily
6.7.16 - Cracks in fruit peel Without cracks
6.7.17 - Pulp in fruit With pulp
6.7.18 - Pulpe colour before maturity White
6.7.19 - Pulp colour at maturity Orange
6.7.20 - Fruits fall from hands Persistent
6.7.21 - Flesh texture Firm
6.7.22 - Predominant taste Mild, slightly tasty or tasteless
6.7.23 - Presence of seed with source of pollen Inapplicable
6.7.24 - Seed surface Inapplicable
6.7.25 - Seed shape Inapplicable
Phenotyping
Not available
Collecting/acquisition source
Not available
Collecting Location
Latitude: 5° 13′ 59.88″ S
Longitude: 145° 45′ 0″ E
Molecular Characterisation
Not available
Publications
Not available