Hort. Sci. (Prague), 2002, 29(2):56-83 | DOI: 10.17221/4461-HORTSCI

Description of morphological characters of wild Lactuca L. spp. genetic resources (English-Czech version)

I. Doležalová, E. Křístková, A. Lebeda, V. Vinter
1 Palacký University, Faculty of Science, Department of Botany, Olomouc-Holice, Czech Republic
2 Research Institute of Crop Production, Praha-Ruzyně, Division of Genetics and Plant Breeding, Department of Gene Bank, Workplace Olomouc, Olomouc-Holice, Czech Republic

Of about 100 Lactuca species, there are only 22 represented in world gene bank collections. The description of morphological and other important features of wild lettuce accessions and a correct taxonomic ranging increase their potential successful utilization. A broad study of 22 wild Lactuca species, their morphology, anatomy, karyology, DNA content and isozyme variation, and a search of large number of literature sources (description keys, floras, monographs) provided a base for an elaboration of a descriptor set. This set consists of 88 descriptors and 24 of them are elucidated by figures. It provides a tool for Lactuca species characterization and determination and for a discrimination of an infraspecific variation. Obtained data can be used for description of wild Lactuca genetic resources and also for research purposes.

Keywords: descriptors; determination; germplasm; infraspecific variation; Lactuca spp.; wild lettuce specie

Published: June 30, 2002  Show citation

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Doležalová I, Křístková E, Lebeda A, Vinter V. Description of morphological characters of wild Lactuca L. spp. genetic resources (English-Czech version). Hort. Sci. (Prague). 2002;29(2):56-83. doi: 10.17221/4461-HORTSCI.
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