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

I. Doležalová, E. Křístková, A. Lebeda and V. Vinter
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I. Doležalová: Palacký University, Faculty of Science, Department of Botany, Olomouc-Holice, Czech Republic
E. Křístková: Palacký University, Faculty of Science, Department of Botany, Olomouc-Holice, Czech Republic
A. Lebeda: Palacký University, Faculty of Science, Department of Botany, Olomouc-Holice, Czech Republic
V. Vinter: Palacký University, Faculty of Science, Department of Botany, Olomouc-Holice, Czech Republic

Horticultural Science, 2002, vol. 29, issue 2, 56-83

Abstract: 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 (search for similar items in EconPapers)
Date: 2002
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DOI: 10.17221/4461-HORTSCI

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