'Sonet' is an autumn to early-winter columnar apple variety marketed currently in the Czech Republic and intended mainly for hobby growers. Its fruits are full of juice, with melting, well-balanced flavour.
Origin: 'Topaz' x 'Tuscan' (Bolero®)
Tree: habit columnar, vigour weak to medium (more vigorous rootstocks, for instance MM 106, are suitable), diploid
Blossom: mid-season
Productivity: very precocious, heavy, fruit thinning is important to prevent alternate bearing
Disease resistance: resistant to scab, tolerant to powdery mildew
PVR:
Plant Variety Rights in the Czech Republic CZ 17/2006 (granted 26.04.2006)
Picking time: about mid-September, 2-3 weeks before 'Golden Delicious'
Storability: in cold storage 2-3 months
Fruit size/shape: size medium, shape globose, stalk medium long
Colour: ground colour yellow-green to green, sometimes a slight orange blush, russet-free
Flesh and flavour: flesh white, medium firm to soft, very juicy, taste melting, harmonic sugar/acid ratio