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Identification of leaf rust resistance genes in Triticum species for transfer to common wheat
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A.I. Antonov --- Department of Genetics, Republic of South Africa G.F. Marais --- Department of Genetics, Republic of South AfricaA total of 877 Triticum accessions (27 species) were screened for resistance to leaf rust (Puccinia recondita f. sp. tritici) using mixed inoculum of pathotypes UVPrt2, UVPrt3, UVPrt8, UVPrt9 and UVPrt13. Of these, 206 accessions were resistant/moderately resistant to all... -
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 AfricaA 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... -
Development of SCAR markers for a Thinopyrum distichum chromosome that appears to be involved in salt tolerance
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.A. Jacobs --- Department of Genetics, South Africa L. Hanekom --- Department of Genetics, South Africa A.S. Marais --- Department of Genetics, South Africa G.F. Marais --- Department of Genetics, South AfricaSixty-seven F-1 plants from the backcross: Thinopyrum distichum/tetraploid ‘Henoch’ rye//diploid ‘Henoch’ rye were cloned, tested for salt tolerance (2–4 replications per genotype) and ranked. Sixty RAPD primers were tested on the parental lines. Nine of these produced Thinopyrum specific fragments... -
A genetic study of pod shattering resistance in F2 soybean (Glycine max) germplasm
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Khuliso M Nevhudzholi --- , South Africa Eastonce T Gwata --- , South Africa Godwin RA Mchau --- , South AfricaSoybean is an important food legume. Promiscuous (tropical) soybean types which are compatible with indigenous soil rhizobia are desirable in crop production systems that are limited by inorganic nitrogenous fertilizers. However, the tropical soybean types are generally susceptible to pod...