| CGIAR Region | Country | CIP Number | Variety name | Year of formal release |
|---|---|---|---|---|
| SEA | China | CIP390478.9 | Tacna | 2006 |
| CWANA | Uzbekistan | CIP390478.9 | Pskom | 2015 |
DESCRIPTION
Tacna
Accession Number: CIP390478.9
Breeder Code: C90.170
Female Parent: CIP720087 (SERRANA)
Male Parent: CIP386287.1 (XY.4)
Breeding Status: Potato Varieties
Year of release: 1993
Country of Release: Peru
Institution(s): CIP - UNJBG (Universidad Nacional Jorge Basadre Grohmann )
Is a variety with extreme resistance to PVY and resistance to PLRV; is also tolerant to drought and salinity. The plant can grow in tropical climates and is insensitive to photoperiod; it has an early vegetative period with decumbent habit with pale white flowers. The tubers have ovoid shape with cream flesh, with high yield production, and are suitable for processing into crisps and French fry (chips).
The variety was released in Peru in 1993.
MORPHOLOGICAL TRAITS
Predominant tuber skin color: 1 = White- cream
Tuber skin secondary color: 0 = Absent
Predominant tuber flesh color: 2 = Cream
Tuber flesh secondary color: 0 = Absent
General tuber shape: 3 = Ovoid
Unusual tuber shape: 0 = Absent
Tuber shape depth of eyes: 3 = Shallow
STRESS TRAITS
Drought: Tolerant
Resistance to Late Blight (LB): 2=MR= Moderately Resistant
Potato Virus X: 1=ER = Extreme Resistance
Potato Virus Y (PVY): 1=ER = Extreme Resistance
Potato Leaf Roll Virus (PLRV): 3=R = Resistant
Reaction to salinity: 1=T = Tolerant
AGRONOMIC TRAITS
Growing period in lowland: 1=E = Early
Growing period in highland: 1=E = Early
Dormancy Period (DLH) Highland: 90 days
Sprouting pattern: 1=AP = Apical dominance
POST HARVEST CHARACTERISTICS
Cooking quality: 2=AB = Solid
After cooking darkening: 2 = Moderately light
Flesh color after cooking: 3=LCR = Light Cream
Chipping color: 2 = Moderately light
Percentage Dry Matter: 20 %
NUTRITIONAL TRAITS
TUBER
