Rajka is a
hybrid
Hybrid may refer to:
Science
* Hybrid (biology), an offspring resulting from cross-breeding
** Hybrid grape, grape varieties produced by cross-breeding two ''Vitis'' species
** Hybridity, the property of a hybrid plant which is a union of two diff ...
cultivar of domesticated
apple
An apple is an edible fruit produced by an apple tree (''Malus domestica''). Apple trees are cultivated worldwide and are the most widely grown species in the genus '' Malus''. The tree originated in Central Asia, where its wild ances ...
from the
Czech Republic
The Czech Republic, or simply Czechia, is a landlocked country in Central Europe. Historically known as Bohemia, it is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the southeast. Th ...
, specifically for eating. Rajka was crossed and developed by the
Institute of Experimental Botany
An institute is an organisational body created for a certain purpose. They are often research organisations (research institutes) created to do research on specific topics, or can also be a professional body.
In some countries, institutes can ...
from the
Champion
A champion (from the late Latin ''campio'') is the victor in a challenge, contest or competition. There can be a territorial pyramid of championships, e.g. local, regional / provincial, state, national, continental and world championships, ...
and
Katka
Katherine, also spelled Catherine, and other variations are feminine names. They are popular in Christian countries because of their derivation from the name of one of the first Christian saints, Catherine of Alexandria.
In the early Christ ...
apples for
scab
Scab may refer to:
Biology
* Scab, a hard coating on the skin formed during the wound healing reconstruction phase
* scAb, single-chain antibody fragment
Infections and infestations
* Apple scab, an apple tree (genus ''Malus'') fungal disease c ...
resistance, hence possible to grow organic.
Description
Tree is moderately vigorous, standard type, produces spurs freely, precocious in cropping, highly productive, fruits do not fall prematurely, good pollinator with mid-season blossoming, resistant to scab and tolerant to powdery mildew.
Fruits are medium to large, globose conical, medium stem length. Yellow under-color is covered on almost the entire skin surface with an attractive bright red over-color. There is some
russeting
Russeting or russetting is an abnormality of fruit skin which manifests in russet-colored (brownish) patches that are rougher than healthy skin. It is a common feature in apples and pears. Russeting is typically an undesirable trait, which reduces ...
in stem cavity which occasionally may extend out over base. Flesh yellowish, juicy with medium grained texture and distinctive pleasant aroma.
Overall it is an early-winter, disease resistant, dessert variety with outstanding color, good rather sweet flavor and medium storage life. May be suited also to cooler areas. Has no specific requirements for
rootstock
A rootstock is part of a plant, often an underground part, from which new above-ground growth can be produced. It could also be described as a stem with a well developed root system, to which a bud from another plant is grafted. It can refer to a ...
s. Suitable for commercial orchards as well as for home gardens.
Institute of Experimental Botany
/ref>
In United Kingdom
Rajka was introduced into the United Kingdom
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the European mainland, continental mainland. It comprises England, Scotlan ...
in the 1990s.
See also
*Topaz (apple)
Topaz is a cultivar of dessert apple that was developed in Czech Republic by the Institute of Experimental Botany for scab resistance. According to Orange Pippin it is "one of the best modern disease-resistant varieties, with fairly sharp flavour" ...
References
Orange Pippin
Orange Pippin UK
See also
*List of apple cultivars
Over 7,500 cultivars of the culinary or eating apple (''Malus domestica'') are known. Some are extremely important economically as commercial products, though the vast majority are not suitable for mass production. In the following list, use for ...
Czech apples
Apple cultivars
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