Variety sheet
Tiroler Spitzlederer
Fruit Tiroler Spitzlederer
Origin
Unknown cross
Synonyms
Renette Rugginosa Oppuntata, Spitzroster, Tiroler Spitzlederapfel, Zimtrenette
Agronomic Profile
Flowering: medium, diploid 
Vigour: medium 
Susceptibility: n. a. 
Productivity: Productivity medium, tends to biennial bearing, no preharvest fruit drop 
Harvest time: 6-8 Week after Golden Delicious 
Fruit
Size and shape: medium, wide globular-conoid, flattened globular 
Ground and overcolour: Ground colour yellow-green; Overcolour red, washed out; little (25%) 
Susceptibility to russeting: complete/total rustiness 
Firmness of the pulp: 7,6-9,7 kg/cm ²at harvest 
Tendency to browning of pulp: medium oxidation 
Sugar content: 14,1-15,2 °Brix at harvest 
Acid content: 10,6-11,3 g/L MA at harvest 
Total content of Polyphenols1: in the peel: 401,0 ± 28,5 mg Catechin/ 100 g FW; in the pulp: 130,1 ± 8,2 mg Catechin/ 100 g FW 
TAC1: in the peel: 541,5 ± 42,7 mg Trolox/ 100 g FW; in the pulp: 241,9 ± 16,5 mg Trolox/ 100 g FW 
Content of Anthocyanin2: n. a. 
Vitamin C1: in the peel: 34,2 ± 5,3 mg/100 g FW; in the pulp: 8,9 ± 0,9 mg/100 g FW 
Pectin1: in the pulp: 1,9 ± 0,4 g/100g FW 
Flavour: n. a. 
Storage: in cool store up to 2 Months 
Characteristics: n. a. 
Juice production
Yield: yield very low  
Stability of the colour: strong oxidation after juice production 
Sugar content: 15,3 °Brix 
Acid content: 9,6 g/L MA 
pH: 3,39 
Total content of Polyphenols: 57,9 ± 1,2 mg Catechin/100 mL juice 
TAC: 74,7 ± 2,1 mg Trolox/100 mL juice 
Content of Anthocyanin2: n. a. 
Vitamin C: 3,32 ± 0,01 mg/L juice 

Photogallery


1 after two months of normal cool storage
2 only for red fleshed varieties