IITA
Search:

IITA Accessions 2
Click to log in.
Accession TVu-53

TVu-53

Accession TVu-53 is on your selection list.
Accession TVu-53 is not on your selection list.

Passport data

Collection: Cowpea collection Collection
Accession name: TVu-53 Accesion name
Accession number: 53 Accession number
Country of origin: NGA - Nigeria Country of origin
Cultivar name: C 20-41 Cultivar name
Collector's name: DR R.P. MURPHY Name of person or institute collecting the accession
Available: Yes Is accession available in genebank
Collection: IITACOW - Cowpea collection Collection
GRIN taxa: GRIN:41647 Taxonomy code as used in GRIN
Taxonomy number: 100151 SINGER Taxonomy number
FAO in Trust: Yes FAO in Trust
In Core: Yes In Core collection
Annex 1: Yes Annex1
Ddigital Object Identifier: 10.18730/W5Y2 A unique alphanumeric string assigned by a registration agency (the International DOI Foundation) to identify content and provide a persistent link to its location on the Internet.
DuplSite: NOR051 DuplSite
Storage: Seed collection; Medium term; Long term Storage
Acceurl: http://my.iita.org/accession2/accession/TVu-53 Acceurl
In Mini Core: Yes In Mini Core
Collection Date (String): 19711018 String representation of collection date. Format YYYYMMDD. Month and date are optional
Genus: Vigna Genus
Species: unguiculata Species
Species authority: (L.) Walp. Species authority
Subtaxa authority: (L.) Walp. Subtaxa authority
Location: IFE,NIGERIA Location
Latitude: 7.4667 Latitude
Longitude: 4.5667 Longitude
Elevation: 286.0 Elevation
Biological status of accession: 300 - Traditional cultivar / Landrace Biological status
Collector Institution: IITA, Kano, Nigeria Collector Institution
Collection code: IF 23 Collection code

Cowpea characterization

Days to first flowering: 44.0 days Days from planting to the notice of first flowering
Days to first ripe pod: 67.0 days Days from planting to first ripe pod
Pattern of pigmentation on plant: None or Very pale Pattern of pigmentation on plant
Pattern of pigmentation on flower: Wing is pigmented ; Petal is lightly pigmented Pattern of pigmentation on flower
Pattern of pigmentation on green pod: None Pattern of pigmentation on green pod
Plant growth habit: Semi-Erect: branches tend to be perpendicular to main stem but do not touch ground Plant growth habit
Twining tendency: Moderate Twining tendency
Growth vigor: Intermediate - Height > 37.5cm or Width > 75cm Growth vigor
Determinacy: Indeterminate main stem Determinacy
No of main branches: 4.0 No of main branches
No of main stem nodes: 11.0 No of main stem nodes
Peduncle length : Long - Average length > 5cm Peduncle length
Raceme position: In upper leaf layers Raceme position
Terminal leaflet shape: Sub-hastate Terminal leaflet shape
Terminal leaflet length : 170.0 cm Terminal leaflet length
Terminal leaflet width : 105.0 cm Terminal leaflet width
No of pods/peduncle: 2 to 3 No of pods/peduncle
Pod attachment to peduncle: Angle of 30¬į to 90¬į Pod attachment to peduncle
Pod shape: Curved Pod shape
Pod length: 157.0 mm Pod length
Pod width : 6.0 mm Pod width
No of locules/pod: 13.0 No of locules/pod
Eye pattern: W20:Watson dilute.The margin in front of the hilum becomes more restricted Eye pattern
Eye pattern code: W20 Eye pattern code
Eye color: T44:medium orange tan Eye color
Eye color code: T44 Eye color code
Testa texture: R:Rough Testa texture
Seed size: 2150mg/10 seeds Seed size
Seed length : Intermediate - twice as long as wide Seed length
Seed thickness: Intermediate - thickness slightly less than the width Seed thickness
Seed Crowding in pod: Semi-Crowder:slight indentation of seed ends Seed Crowding in pod

Cowpea Evaluation

Incidence of Leaf Spot (C. Canescens): None Incidence of Leaf Spot (C. Canescens)
Incidence of Leaf Spot (C. Cruenta): Very light:occasional scattered leaf spots Incidence of Leaf Spot (C. Cruenta)
Incidence of Bacterial Pustule: None Incidence of Bacterial Pustule
Incidence of Bacterial Blight: None Incidence of Bacterial Blight
Incidence of Target Spot: None Incidence of Target Spot
Incidence of Rust: Some Incidence of Rust
Incidence of Cowpea Mosaic Virus: Yellow mosaic Incidence of Cowpea Mosaic Virus
Incidence of Anthracnose: None or hypersensitive Incidence of Anthracnose
Incidence of Other Diseases: Nothing Incidence of Other Diseases
Number of pods affected by Maruca : 103 Number of pods affected by Maruca
Number of pods unaffected by Maruca: 70 Number of pods unaffected by Maruca
Number of pods affected by Laspeyresia: 93 Number of pods affected by Laspeyresia
Number of pods unaffected by Laspeyresia: 71 Number of pods unaffected by Laspeyresia
Percentage of Sulphur (combustion & titration): 0.0700000002980232 Percentage of Sulphur (combustion & titration)
Percentage of Nitrogen (colorimetric analysis): 3.91000008583069 Percentage of Nitrogen (colorimetric analysis)
Thrips screening: TRUE Thrips screening
Pod bugs screening: TRUE Pod bugs screening
IITA Accession - ver. 2  
Warning! Your session may expire in 00:00. Trying to automatically extend your session.
Could not extend your session. Save (copy+paste somewhere) any important data before clicking any links on this page.