Rajka (apple)
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Rajka (apple)
Rajka is a hybrid cultivar of domesticated apple from the Czech Republic, specifically for eating. Rajka was crossed and developed by the Institute of Experimental Botany from the Champion and Katka apples for scab 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 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 ...
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Champion (apple)
Champion, shampion or sampion is a hybrid cultivar of domesticated apple developed c. 1960 in 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. The ... from crossing a Golden Delicious and a Cox Orange Pippin. The fruit has a non-uniform skin color. See also * Rajka (apple) References CZSO PhotosScience photoAge photo stockBotanik Foto


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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. The Czech Republic has a hilly landscape that covers an area of with a mostly temperate continental and oceanic climate. The capital and largest city is Prague; other major cities and urban areas include Brno, Ostrava, Plzeň and Liberec. The Duchy of Bohemia was founded in the late 9th century under Great Moravia. It was formally recognized as an Imperial State of the Holy Roman Empire in 1002 and became a kingdom in 1198. Following the Battle of Mohács in 1526, the whole Crown of Bohemia was gradually integrated into the Habsburg monarchy. The Protestant Bohemian Revolt led to the Thirty Years' War. After the Battle of White Mountain, the Habsburgs consolidated their rule. With the dissolution of the Holy Empire in 1806, the Cro ...
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Hybrid (biology)
In biology, a hybrid is the offspring resulting from combining the qualities of two organisms of different breeds, varieties, species or genera through sexual reproduction. Hybrids are not always intermediates between their parents (such as in blending inheritance), but can show hybrid vigor, sometimes growing larger or taller than either parent. The concept of a hybrid is interpreted differently in animal and plant breeding, where there is interest in the individual parentage. In genetics, attention is focused on the numbers of chromosomes. In taxonomy, a key question is how closely related the parent species are. Species are reproductively isolated by strong barriers to hybridisation, which include genetic and morphological differences, differing times of fertility, mating behaviors and cues, and physiological rejection of sperm cells or the developing embryo. Some act before fertilization and others after it. Similar barriers exist in plants, with differences in flowering tim ...
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Apple
An apple is an edible fruit produced by an apple tree (''Malus domestica''). Apple fruit tree, trees are agriculture, cultivated worldwide and are the most widely grown species in the genus ''Malus''. The tree originated in Central Asia, where its wild ancestor, ''Malus sieversii'', is still found today. Apples have been grown for thousands of years in Asia and Europe and were brought to North America by European colonization of the Americas, European colonists. Apples have Religion, religious and mythology, mythological significance in many cultures, including Norse mythology, Norse, Greek mythology, Greek, and Christianity in Europe, European Christian tradition. Apples grown from seed tend to be very different from those of their parents, and the resultant fruit frequently lacks desired characteristics. Generally, apple cultivars are propagated by clonal grafting onto rootstocks. Apple trees grown without rootstocks tend to be larger and much slower to fruit after plantin ...
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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 be part of a university or other institutions of higher education, either as a group of departments or an autonomous educational institution without a traditional university status such as a "university institute" (see Institute of Technology). In some countries, such as South Korea and India, private schools are sometimes referred to as institutes, and in Spain, secondary schools are referred to as institutes. Historically, in some countries institutes were educational units imparting vocational training and often incorporating libraries, also known as mechanics' institutes. The word "institute" comes from a Latin word ''institutum'' meaning "facility" or "habit"; from ''instituere'' meaning "build", "create", "raise" or "educate". ...
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Katka (apple)
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 Christian era it came to be associated with the Greek adjective (), meaning "pure", leading to the alternative spellings ''Katharine'' and ''Katherine''. The former spelling, with a middle ''a'', was more common in the past and is currently more popular in the United States than in Britain. ''Katherine'', with a middle ''e'', was first recorded in England in 1196 after being brought back from the Crusades. Popularity and variations English In Britain and the U.S., ''Catherine'' and its variants have been among the 100 most popular names since 1880. The most common variants are ''Katherine,'' ''Kathryn,'' and ''Katharine''. The spelling ''Catherine'' is common in both English and French. Less-common variants in English include ''Katheryn'' ...
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Apple Scab
Apple scab is a common disease of plants in the rose family ( Rosaceae) that is caused by the ascomycete fungus ''Venturia inaequalis''. While this disease affects several plant genera, including ''Sorbus, Cotoneaster,'' and '' Pyrus'', it is most commonly associated with the infection of ''Malus'' trees, including species of flowering crabapple, as well as cultivated apple. The first symptoms of this disease are found in the foliage, blossoms, and developing fruits of affected trees, which develop dark, irregularly-shaped lesions upon infection. Although apple scab rarely kills its host, infection typically leads to fruit deformation and premature leaf and fruit drop, which enhance the susceptibility of the host plant to abiotic stress and secondary infection.Jha, G., Thakur, K., & Thakur, P. (2009). The ''Venturia'' Apple Pathosystem: Pathogenicity Mechanisms and Plant Defense Responses. ''Journal of Biomedicine and Biotechnology'', 2009. doi:10.1155/2009/680160 The reduction o ...
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Apple Russet
Russet apples are varieties and cultivars of apples that regularly exhibit russeting, partial or complete coverage with rough patches of greenish-brown to yellowish-brown colour. While russeting is generally an undesirable trait in modern cultivars, russet varieties are often seen as more traditional, and associated with aromatic flavours. Overview Many apple cultivars have some natural russeting, but some are almost entirely covered in it, notably the Egremont Russet. Russet apples often exhibit a scent and flavour reminiscent of nuts, and are often very sweet. Despite this, modern apple breeders rarely accept russeting in new apple cultivars. The amount of russeting can be affected by various factors including, weather, disease or pest damage and agrochemical applications (e.g. insecticides, fungicides and growth regulators). Russet apples also go under the name "rusticoat", "russeting" and "leathercoat". The last name was known in Shakespeare's time; for instance, in '' Hen ...
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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 rhizome or underground stem. In grafting, it refers to a plant, sometimes just a stump, which already has an established, healthy root system, onto which a cutting or a bud from another plant is grafted. In some cases, such as vines of grapes and other berries, cuttings may be used for rootstocks, the roots being established in nursery conditions before planting them out. The plant part grafted onto the rootstock is usually called the scion. The scion is the plant that has the properties that propagator desires above ground, including the photosynthetic activity and the fruit or decorative properties. The rootstock is selected for its interaction with the soil, providing the roots and the stem to support the new plant, obtaining the necess ...
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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 continental mainland. It comprises England, Scotland, Wales and Northern Ireland. The United Kingdom includes the island of Great Britain, the north-eastern part of the island of Ireland, and many smaller islands within the British Isles. Northern Ireland shares a land border with the Republic of Ireland; otherwise, the United Kingdom is surrounded by the Atlantic Ocean, the North Sea, the English Channel, the Celtic Sea and the Irish Sea. The total area of the United Kingdom is , with an estimated 2020 population of more than 67 million people. The United Kingdom has evolved from a series of annexations, unions and separations of constituent countries over several hundred years. The Treaty of Union between the Kingdom of England (which included Wales, annexed in 1542) and the Kingdom of Scotland in 170 ...
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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". See also *Applecrab Applecrabs are various hybrids between crabapples and apples. They are bred for varying reasons, including disease resistance and use in cold climates because they are often hardier than apple trees and their fruit has the good eating qualities of ... * Opal (apple) – descendant * Rajka (apple) References * https://web.archive.org/web/20111013210701/http://www.ovocnarska-unie.cz/web/web-sispo/odrudy/jabl/topaz.htm Czech apples Apple cultivars {{apple-fruit-stub ...
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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 "eating" means that the fruit is consumed raw, rather than cooked. Cultivars used primarily for making cider are indicated. Those varieties marked have gained the Royal Horticultural Society's Award of Garden Merit. This list does not include the species and varieties of apples collectively known as crab apples, which are grown primarily for ornamental purposes, though they may be used to make jelly or compote. These are described under ''Malus''. Table of apples Cider apples Cider apples are a variety of apples that may be far too sour or bitter for fresh eating, but are used for making cider. Varieties in ''italics'' are used for both cider and eating purposes. shp = sharp, swt = sweet, bswt = bittersweet, bshp = bittersh ...
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