23 j. sedlak rbip breeding


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23 j. sedlak rbip breeding

  1. 1. 1 Research and Breeding Institute of Pomology Holovousy Ltd. Introduction Frantisek Paprstein, Jiri Sedlak,
  2. 2. 2 Research and Breeding Institute of Pomology Holovousy Ltd. Company consists of 4 research departments: Department of Genebanks Department of Plant protection Department of Genetics and Breeding Department of Technology Institute is situated in Eastern Bohemia (Region Hradec Kralove) approximately 100 km easterly from Prague. Employees - 72, Research team - 24
  3. 3. 3 Selected species Number of genotypes Rootstock Apple 1086 M 9 Pear 137 Pear seedling Plum 258 Myrobalan (Prunus cerasifera) Sweet cherry 347 P-TU-2 Sour cherry 108 P-TU-2 Genetic resources of selected fruit species conserved and evaluated in RBIP Holovousy Ltd. Other conserved fruit crops: strawberry, raspberry, gooseberry, currant, highbush blueberry, walnut, hazel-nut, rowan, etc.
  4. 4. 4 Research and Breeding Institute of Pomology Holovousy Ltd. Main breeding programmes: apple (cultivars Angold, Jarka, Julia, Meteor, Resista, Rubimeg, Rubinstep, Rucla, Sampion Red, Selena, Vysocina, Fragrance etc.) pear (David, Erika, Elektra, Isolda, Manon, Vonka etc.) sweet cherry (Amid, Early Korvik, Fabiola, Jacinta, Kasandra, Sandra, Tamara, Tim, Justyna, Halka etc.) Other breeding programmes: plum, apricot
  5. 5. Flordika Crossing of ´Discovery´ x ´Florina´. Cultivar is resistant to scab and tolerant to powdery mildew. Trees are precocious; their cropping is sufficient and regular. Fruits are medium in size (155 g), round and regular. Ground colour is creamy yellow, up to 95% is covered by crimson red over colour. Flesh is fine, crisp and juicy. Taste is very good - sub acid to sweet. Harvest is at the end of September and consume season from November till February.
  6. 6. Frosta ´Florina´ x A 814/9 (‘Cox Orange’ x A 467-74). Cultivar is resistant to scab and partly resistant to powdery mildew. Fruits are large, conical. The ground colour is green yellow. Over colour is orange to scarlet spread on the 51-75 % of fruit (mottled pattern). Taste is very good, sub- acid to sweet. Fruit resistance to bruising is high. The harvest time is late. Eating maturity is late similar to Golden Delicious.
  7. 7. Rucla ´Clivia´ x ´Rubin´. It is a type of ´Cox Orange´ apple with better resistance to diseases and phys. disorders, with higher quality and longer storage ability of fruits. Trees are precocious; their cropping is sufficient and regular. Fruits have medium size and their shape is globose to globose conical. Ground- colour of skin is green to yellow, with 60 to 90 % covered by crimson to brown red over-colour. Flesh is fine, crisp, juicy. Taste is well balanced, with a pleasant flavour, excellent. Time of ripening is 1 week before ´Golden Delicious´ and fruits keep well till May or longer.
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