Pomiferous

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Name:

Pollination group:

Topaz

Synonyms: Crimson Topaz

Identification: Medium tending to large. Round.The base colour is yellow at maturity, typically washed to between 40 and 70% with bright red, with a dense pattern of darker stripes and scattered small lenticels. The eye is large and closed, sometimes partly open, set in a medium deep and medium narrow basin, surrounded by a lightly knobbed crown. The stem is short to medium length and set in a shallow, russeted cavity. The skin is thick and tends to feel greasy when ripe and in storage. Lightly ribbed. A greasy feel develops on the skin at maturity and in storage.

Characteristics: The flesh is yellowish, fine-grained, crisp and firm, but becoming softer in storage. Very juicy, sweet, sharp, spicy and aromatic. Brix 12.4 degrees. High Vitamin C content.

Uses: Dessert.

Origins: Bred at the Institute for Experimental Botany, Strizovice (Czech Republic) by crossing Rubin and Vanda . Introduced in 2001.

Cultivation: Moderately vigorous and upright spreading tree. Spur bearer. Moderately heavy annual crops. Precocious. Need to be rigorously thinned at fruit set to achieve the given fruit size. Tolerates Hardiness Zones 5 to 8.

Ploidism: Diploid. Self sterile.

16 weeks

Cold storage: Keeps up to four months with some spoilage, two months longer in controlled atmosphere storage. Full flavours develop two to three weeks after harvest.

Vulnerabilities: Resistant to scab and slightly susceptible to mildew and blight.

Harvest: Ready for harvest by the beginning of the fifth period. Virtually no fruit drop.

Brix: 12.4

Specific gravity: 1.050

Harvest period: 5

Type(s): Dessert

Hardiness Zone min: 5

Hardiness Zone max: 8

Pollination group: E

Pollination day: 16


Associated apples:

Luna
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Type: Dessert

characteristics: The flesh is yellowish, firm, crisp and very juicy with a well balanced sugar/acid ratio. Aromatic. Juice is particularly sweet with a BRIX rating of 13.5.

Synonyms: UEB 3375/2

UEB 32642
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Type: Dessert

characteristics: The flesh is yellowish, medium fine grained, firm and crunchy. Moderately juicy, sweet (BRIX 15.2), with a tangy finish.

Synonyms: Marketed as Opal under licence. An apple developed in the 1930s in UK is also ...

Red Topaz
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Type: Dessert

summary: A sport of Topaz

UEB 3375/2
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Type:

characteristics: The flsih is yellowish, fine textured, Keeps for six months in cold storage.

Apples with a similar sounding name:

Topsy
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Type: Eating

characteristics: Flesh is .sweet