ITC0659 - Namwa Khom

 

ITC0659(subgr. Pisang Awak)
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Passport Data
Country of origin: Country of origin: Thailand
PDCIm Score: 6.84
Available for distribution:
Accession number: ITC0659
Accession name: Namwa Khom
DOI: 10.18730/9KCB4
Biological status of accession: traditional cultivar or landrace
Taxonomic classification:
Musaceae
Musa
Eumusa
ABB
subgr. Pisang Awak
Institute code: BEL084 (ITC)
Acquisition date: 1989-12-13
Status: active
Type of storage:
In Vitro Collection
Cryopreserved Collection
Lyophilized Leaves
Morphological Characterization Pictures
Morphological Characterization Data

6.2 - Pseudostem / Suckers

6.2.1 - Pseudostem height [m] 2.1 to 2.9
6.2.6 - Pigmentation of the underlying pseudostem Pink-purple

6.3 - Petiole / Midrib / Leaf

6.3.1 - Blotches at the petiole base Small blotches
6.3.3 - Petiole canal leaf III Margins curved inward
6.3.4 - Petiole margins Not winged and clasping the pseudostem
6.3.6 - Petiole margin colour Green
6.3.7 - Edge of petiole margin With a colour line along

6.4 - Inflorescence / male bud

6.4.2 - Empty nodes on peduncle One
6.4.6 - Bunch position Hanging vertically
6.4.7 - Bunch shape Cylindrical with the length >= to twice the width
6.4.12 - Rachis position Falling vertically
6.4.13 - Rachis appearance Bare
6.4.15 - Male bud shape Like a top
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 slightly overlap
6.5.5 - Colour of the bract internal face Pink-purple
6.5.12 - Bract behaviour before falling Revolute (rolling)

6.6 - Male flower

6.6.2 - Compound tepal basic colour Pink/pink-purple
6.6.4 - Lobe colour of compound tepal Yellow
6.6.13 - Anther colour Yellow
6.6.24 - Dominant colour of male flower Pink/pink-purple

6.7 - Fruit

6.7.2 - Number of fruits >=17
6.7.3 - Fruit length [cm] <=15 cm
6.7.6 - Fruit apex Bottle-necked
6.7.7 - Remains of flower relicts at fruit apex Without any floral relicts
6.7.8 - Fruit pedicel length [mm] >=21 mm
6.7.11 - Fusion of pedicels Very partially or no visible sign of fusion
Phenotyping

Experiment: 1

Institute: IITA
Date of planting: 2014/08/22
Date of data collection: 2015/10/21
Observable Attribute Value
anther Anther colour yellow
bract Bract behaviour before falling not revolute (not rolling)
bract Colour of bract internal face orange red
bract Colour of bract external face pink-purple
bract apex Bract apex shape slightly pointed
bract apex Bract imbrication at apex of male bud moderately imbricate
cigar leaf Pigmentation of outer surface of cigar leaf on sucker green
flower 6.6.24 - Dominant colour of male flower pink/pink-purple
fruit Fruit shape of curve straight (or slightly curved)
fruit Fruit apex point pointed
fruit Number of fruits on mid-hand of the bunch equal to or more than 17
fruit Fruit length 16-20 cm
fruit Remains of flower relicts at fruit apex without any floral relicts
fruit pedicel Fruit pedicel length equal to or more than 21 mm
fruit pedicel 6.7.11 - Fusion of pedicels no visible sign of fusion
inflorescence bud Male bud length 33-26
inflorescence bud Male bud shape ovoid
infructescence Number of hands measured 9
infructescence Bunch position slightly angled
infructescence Bunch shape cylindrical
infructescence axis Male rachis position falling vertically
infructescence axis Male rachis appearance bare
petiole canal Margin behaviour on petiole canal of third leaf straight with erect margins
petiole margin Petiole margins winged not winged and clasping the pseudostem
petiole margin Colour line along edge of petiole margin no contrast between margin and petiole (without a colour line along)
petiole margin Petiole margin colour green
petiole proximal end Blotches relative area at petiole base sparse blotching
plant sap 6.2.7 - Sap colour whitish
pseudostem Pseudostem height 2.1-2.9 m
pseudostem Main underlying colour of pseudostem light green
tepal Compound tepal main colour pink/pink-purple
tepal Lobe colour of tip of compound tepal yellow

Experiment: 2

Institute: IITA
Date of planting: 2014/08/22
Date of data collection: 2015/11/05
Observable Attribute Value
anther Anther colour yellow
bract Colour of bract external face pink-purple
bract Bract behaviour before falling not revolute (not rolling)
bract Colour of bract internal face orange red
bract apex Bract imbrication at apex of male bud moderately imbricate
bract apex Bract apex shape intermediate
cigar leaf Pigmentation of outer surface of cigar leaf on sucker green
flower 6.6.24 - Dominant colour of male flower pink/pink-purple
fruit Number of fruits on mid-hand of the bunch equal to or more than 17
fruit Fruit shape of curve straight (or slightly curved)
fruit Fruit apex point pointed
fruit Fruit length 16-20 cm
fruit Remains of flower relicts at fruit apex persistent style
fruit pedicel 6.7.11 - Fusion of pedicels no visible sign of fusion
fruit pedicel Fruit pedicel length equal to or more than 21 mm
inflorescence bud Male bud length 33.5-25
inflorescence bud Male bud shape ovoid
infructescence Number of hands measured 9
infructescence Bunch position slightly angled
infructescence Bunch shape cylindrical
infructescence axis Male rachis position falling vertically
infructescence axis Male rachis appearance bare
petiole canal Margin behaviour on petiole canal of third leaf straight with erect margins
petiole margin Colour line along edge of petiole margin no contrast between margin and petiole (without a colour line along)
petiole margin Petiole margins winged not winged and clasping the pseudostem
petiole margin Petiole margin colour green
petiole proximal end Blotches relative area at petiole base sparse blotching
plant sap 6.2.7 - Sap colour whitish
pseudostem Main underlying colour of pseudostem light green
pseudostem Pseudostem height 2.1-2.9 m
tepal Compound tepal main colour pink/pink-purple
tepal Lobe colour of tip of compound tepal yellow
Collecting/acquisition source
Type Name Donor Code Donor Institute Country
1. Collection CIRAD CIRAD II.04.32.002.011; (LCIV THA011) Donor Institute Country: France
Collecting Location
Not available
Genetic Integrity
Ploidy: 3x   (Musa Genotyping Centre (MGC), Institute of Experimental Botany (IEB), Olomouc, Czeck Republic, 25/01/2001)
Field verified: yes
Molecular Characterisation
DArT whole genome profiling of ITC accessions
Taxonomic Reference Collection (TRC)
Musa Genotyping Center Results (triploids)
Publications
  • Muiruri KSamwel, Britt A, Amugune NOnzere, Nguu E, Chan S, Tripathi L.  2017.  Dominant allele phylogeny and constitutive sub-genome haplotype inference in bananas using mitochondrial and nuclear markers. Genome Biology and Evolution.
  • Sardos J., Perrier X., Doležel J., Hřibová E., Christelová P., Van den Houwe I., Kilian A., Roux N..  2016.  DArT whole genome profiling provides insights on the evolution and taxonomy of edible Banana (Musa spp.). Annals of Botany. 118(7):mcw170.
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  • Li L-F, Wang H-Y, Zhang C, Wang X-F, Shi F-X, Chen W-N, Ge X-J.  2013.  Origins and domestication of cultivated banana inferred from chloroplast and nuclear genes. PloS one. 8:e80502.
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  • Volkaert H.  2011.  Molecular Analysis Reveals Multiple Domestications of Edible Bananas. V International Symposium on Banana: ISHS-ProMusa Symposium on Global Perspectives on Asian Challenges 897. Musalit
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  • Till BJ, Jankowicz-Cieslak J, Sági L, Huynh OA, Utsushi H, Swennen R, Terauchi R, Mba C.  2010.  Discovery of nucleotide polymorphisms in the Musa gene pool by Ecotilling.. Theor Appl Genet. 121(7):1381-9.
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  • De Langhe E, Hřibová E, Carpentier S, Doleżel J, Swennen R.  2010.  Did backcrossing contribute to the origin of hybrid edible bananas? Annals of botany. 106:849–857.
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  • Risterucci A-M, Hippolyte I, Perrier X, Xia L, Caig V, Evers M, Huttner E, Kilian A, Glaszmann J-C.  2009.  Development and assessment of Diversity Arrays Technology for high-throughput DNA analyses in Musa.. Theor Appl Genet. 119(6):1093-103.
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  • Boonruangrod R, Desai D, Fluch S, Berenyi M, Burg K.  2008.  Identification of cytoplasmic ancestor gene-pools of Musa acuminata Colla and Musa balbisiana Colla and their hybrids by chloroplast and mitochondrial haplotyping. Theoretical and Applied Genetics. 118:43–55.
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  • Panis B, Strosse H, Van Den Hende S, Swennen R.  2002.  Sucrose preculture to simplify cryopreservation of banana meristem cultures. CryoLetters. 23:375–384.Musalit
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