Irena (S)
Sweet cherry, Prunus avium
This shortly before 'Regina' ripening cherry yields well from the beginning. When overcropping the flavour and firmness dissipates. The acid content of the fruits determines the possible harvest date.
Irena (S) is well suited as a pollinator for 'Regina'.
Blossom
Blooming date
late
Fertility
self-sterile
S-allele, sterility group
S4 S6, group 17
Pollinator
Carmen (S), Early Korvik (S), PAPILLON ™ Pillangó (S), Walter (S), Kordia, STARDUST ™ 13 N 07-70 (S), Henriette (S), Areko (S), KIR VULCANO ™ 16 A (S), Regina, KIR LAMOUR ™ KSG 03 A (S), CERASINA ™ Final 12.1 (S)
Fruit
Ripening time
late, 7. cherry week
Scale, shape
medium to large, 27-30 mm, 11-13 g, heart-shaped with slight shoulders, long to very long stalk
Colour
dark to black red, very shiny
Fruit flesh
dark to black red, medium firm, Durofel pressure 25: 70-75, firm skin, soft flesh, juicy
Taste
emphasized acidity just before maturity, at full maturity mild taste with balanced acidity
Cracking sensitivity
very low to low, tends to crack only around the stalk cavity at full maturity after heavy rainfall
Tree
Vigor
weak to medium strong, strong central leader, weak lateral branches, at mature stage spreading to pendulous, very good branching, thorough pruning of pendulous bearing wood necessary, healthy and dark green foliage
Crop load
high to very high, fruits are hanging very densely without clusters, good picking rate because of the long stalks
Origin
Breeder, Place
Blazek, Holovousy, Czech Republic
Intellectual property
Artevos, Germany
Parents
Kordia x M. Reward
Crossing number
HL 13 822
Property rights
registered for EU plant variety rights