Kaiser Wilhelm
Dessert apple
Dessert apple
Malus domestica Borkh.
Discovered in about 1800 by Head Teacher Hesselman in Witzhelden, Kreis Solingen, Germany. Introduced by the mid 1800s. Fruits have crisp, fine flesh with a subacid, sweet and spicy flavour.
Synonyms:
Cesarz Wilhelm, Emperator Wilhelm, Empereur Guillaume, Imperator Vilgelm, Reneta Czerwona, Vilemovo, Vilgelm, Wilhelmapfel
Availability
Material available from the National Fruit Collection.
Parentage:
Harberts Reinette x Unknown
Fruit Size
medium to large b
Fruit Shape
intermediate, conic, convex b
Fruit Height
50-65 mm b
Fruit Width
61-76 mm b
Ribbing
ribbed at eye and on body b
Ground Colour
pale yellow shaded deeper yellow b
Over Colour
often much flushed crimson with darker stripes b
Russet Type
russet in cavity and on base b
Flesh Colour
yellowish white b
Flesh Texture
fine, crisp to tender b
Flavour
subacid, sweet, spicy b
Accession name
Kaiser Wilhelm
Flowering time
9th May 10% flowering
15th May Full (80%) flowering
21st May 90% petal fall
Picking time
Early October a
Size
large-very large a
Type
Dessert a
Shape
Broad globose conical a
Height
74.05 mm a
Width
83.25 mm a
Ribbing
weak-medium a
Crown
medium a
Ground Colour
Green yellow a
Over Colour (Amount)
medium a
Over Colour
Orange a
Over Colour (Pattern)
striped/solid flush a
Russet
low a
Greasiness
Medium a
Crunch
crisp a
Juiciness
dry-medium a
Flesh Colour
Cream a

References:
a. NFC fruit (undated) Unpublished characterisation by staff at NFC, Brogdale.
b. Smith, M. (1971) National Apple Register