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Molecular Analysis of Variation in Lactuca

  • Clemens van de Wiel
  • Ben Vosman
Chapter

Abstract

Lactuca L. is a widely distributed genus of about 100 species. Seventeen species are found in Europe, nine of which are members of the section Lactuca (1). A further 10 species are found in northern America, 33 in eastern Africa and approximately 40 in Asia (2). Lettuce (L. sativa), a diploid with n = 9 chromosomes and a member of the section Lactuca subsection Lactuca, has received most attention. Other relatively well studied species of the same subsection are L. serriola, L. virosa and L. saligna. Although most Lactuca species are self-pollinated (3), some cross-pollination occurs and inter-specific hybrids between different members of the subsection Lactuca can be produced (4).

Keywords

Scar Marker Lettuce Cultivar Chromosome Banding Pattern Lactuca Species Downy Mildew Resistance Gene 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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© Chapman & Hall 1998

Authors and Affiliations

  • Clemens van de Wiel
  • Ben Vosman

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