| putative natural hybrid between puccinia lagenophorae and an unknown rust fungus on senecio madagascariensis in kwazulu-natal, south africa. | several specimens of an aecial rust fungus were collected on senecio madagascariensis during a field survey carried out in kwazulu-natal, south africa. as telia were not present in the specimens collected, dna sequence analyses were undertaken to determine the identity of the rust species. its and beta-tub1 sequencing confirmed that one of the isolates recovered is puccinia lagenophorae sensu lato. on the other hand, sequencing and rflp analysis revealed the presence of two divergent copies of i ... | 2009 | 19249359 |