Publications by authors named "Wilhelm J Botha"

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Pythium cederbergense sp. nov. and related taxa from Pythium clade G associated with the South African indigenous plant Aspalathus linearis (rooibos).
Amirhossein Bahramisharif, Sandra C Lamprecht, Christoffel F J Spies, Wilhelm J Botha, Adéle McLeod

Mycologia· June 2014

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Pythium spp. Associated with Rooibos Seedlings, and Their Pathogenicity Toward Rooibos, Lupin, and Oat.
Amirhossein Bahramisharif, Sandra C Lamprecht, Christoffel F J Spies, Wilhelm J Botha, Frikkie J Calitz

Plant Dis· February 2014

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Molecular analyses of Pythium irregulare isolates from grapevines in South Africa suggest a single variable species.
Christoffel F J Spies, Mark Mazzola, Wilhelm J Botha, Shaun D Langenhoven, Lizel Mostert

Fungal Biol· December 2011

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Oogonial biometry and phylogenetic analyses of the Pythium vexans species group from woody agricultural hosts in South Africa reveal distinct groups within this taxon.
Christoffel F J Spies, Mark Mazzola, Wilhelm J Botha, Marieta Van Der Rijst, Lizel Mostert

Fungal Biol· February 2011

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Morphological and phylogenetic analyses of Pythium species in South Africa.
Adéle McLeod, Wilhelm J Botha, Julia C Meitz, Chris F J Spies, Yared T Tewoldemedhin

Mycol Res· September 2009

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Cowpea and peanut in southern Africa are nodulated by diverse Bradyrhizobium strains harboring nodulation genes that belong to the large pantropical clade common in Africa.
Emma T Steenkamp, Tomasz Stepkowski, Anna Przymusiak, Wilhelm J Botha, Ian J Law

Mol Phylogenet Evol· September 2008

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Intraspecific and within-isolate sequence variation in the ITS rRNA gene region of Pythium mercuriale sp. nov. (Pythiaceae).
Lassaad Belbahri, Adèle McLeod, Bernard Paul, Gautier Calmin, Eduardo Moralejo, Wilhelm J Botha

FEMS Microbiol Lett· July 2008

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Effect of soil bradyrhizobia on the success of soybean inoculant strain CB 1809.
Wilhelm J Botha, Julian B Jaftha, Jacomina F Bloem, Johannes H Habig, Ian J Law

Microbiol Res· November 2004

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