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1. 

   Identification of Thinopyrum distichum chromosomes responsible for its salt tolerance

   Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G.F. Marais --- Department of Genetics, South Africa A.S. Marais --- Department of Genetics, South Africa

   A Thinopyrum distichuml 4x rye (Secale cereale) hybrid with genomes J1 dJ2 dRR was pollinated with diploid rye and mostly yielded F1 offspring with 21 chromosomes (two complete rye genomes and seven Thinopyrum chromosomes). Apparently, the closely related homoeologous chromosomes...

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2. 

   Karyology of the redfin minnows, genus Pseudobarbus Smith, 1841 (Teleostei: Cyprinidae): one of the evolutionarily tetraploid lineages of South African barbines

   Item type: Journal Article • Journal: African Zoology • Authors: D. Naran --- Department of Ichthyology and Fisheries Sciences, South Africa P. H. Skelton --- South African Institute for Aquatic Biodiversity, South Africa M. H. Villet --- Department of Zoology and Entomology, South Africa

   The karyotypes of six species of Pseudobarbus Smith, 1841, namely P. afer (Peters, 1864), P. asper (Boulenger, 1911), P. burchelli Smith, 1841, P. burgi (Boulenger, 1911), P. phlegethon (Barnard, 1938) and P. tenuis (Barnard, 1938), were examined by conventional Giemsa...

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3. First chromosomal analysis for the genus Lygodactylus (Gray, 1864): The karyotype of L. picturatus (Squamata, Gekkonidae, Gekkoninae)

   Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: Riccardo Castiglia --- Università di Roma “La Sapienza”, Italy

   The karyotype of Lygodactylus picturatus is here described, providing the first description of the karyotype in the genus. One male from Tanzania shows 2n = 40 (30 telocentrics, 6 subtelocentrics, 4 small metacentrics,) while one female from Kenya presents 2n...

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