Numerous CTHB projects aim to improve our understanding regarding the biology and ecology of the microbes and insects associated with woody hosts indigenous to South Africa.

The tree species receiving most attention are Syzygium cordatum, Syzygium guineense, Acacia karroo, Acacia mellifera, Acacia erioloba, Adansonia digitata, Pterocarpus angolensis, Sclerocarya birrea, Rapanea melanophloeos, Colophospermum mopane, Aloe plictilis and species in the Proteaceae, Rutaceae, Rubiaceae and the genera Virgillia and Terminalia.

The specific microbes that are targeted include species in the Botryosphaeriaceae, Cryphonectriaceae and Uredinales (Ravenelia, Puccinia and Uromyces), as well as the genera Armillaria, Ganoderma, Fusarium, Mycosphaerella, Phellinus, Ceratocystis, Gondwanamyces, Coniothyrium (Colletogloeopsis / Phaeophleospora / Kirramyces), Cylindrocladium, Dothistroma, Pantoea, Ophiostoma, Candidatus Liberibacter africanus and Phytophthora.

The insects currently receiving most attention include bark beetles, bruchid beetles, as well as Coryphodema tristis and a number of species that could possibly be used in biocontrol programmes.

Various CTHB projects also consider the ecology and population biology of specific tree species to evaluate the effect that human practices (e.g. timber harvesting, coppicing, bark stripping, etc.) might have on the target plant, ecosystems and the conservation of natural habitats. Many further focus on the possible impacts that soil properties, nutrients, rhizobial symbioses and climatic factors might have on the invasiveness of certain species in diverse landscapes. A small number of projects also aim to investigate the effects that drought, frost and fire might have on the sustainable usage of indigenous woody resources.

New Publications

Schröder ML, Slippers B, Wingfield MJ, Hurley BP. (2019) Invasion history and management of Eucalyptus snout beetles in the Gonipterus scutellatus species complex. Journal of Pest Science 10.1007/s10340-019-01156-y
Wang QC, Chen SF. (2019) Calonectria pentaseptata causes severe leaf disease on cultivated Eucalyptus in Leizhou Peninsula of southern China. Plant Disease 10.1094/PDIS-05-19-1009-RE PDF
Jami F, Marincowitz S, Slippers B, Crous PW, Le Roux JJ, Richardson DM, Wingfield MJ. (2019) Botryosphaeriaceae associated with Acacia heterophylla (La Reunion) and Acacia koa (Hawaii). Fungal Biology 10.1016/j.funbio.2019.07.001 PDF
Abate BA, Slippers B, Wingfield MJ, Conlong DE, Burger DA, Hurley BP. (2019) Virulence and survival of native entomopathogenic nematodes for the management of white grubs in South Africa. Biological Control 10.1016/j.biocontrol.2019.104043
Hoang MTV, Irinyi L, Chen SCA, Sorrell TC, TIBoMFWG, Meyer W, Arabatzis M, Arthur I, Cano-Lira JF, Cardinali G, Castañón LR, Chen W, Chindamporn A, Colombo AL, Desnos-Ollivier M, de Beer W, de Hoog S, Dromer F, Garcia-Hermoso D, Gryzenhout M, Guarro J, Halliday C, Hendrickx M, Huhndorf S, Irinyi L, Levesque CA, Meyer W, Luiza Moretti M, de Medeiros Muniz M, de Azevedo Melo AS, Satie Nishikaku A, Normand A-C, Pais C, Piarroux R, Ranque S, Robbertse B, Robert V, Schoch CL, Seifert KA, de Almeida Soares CM, Sorrell TC, Spouge JL, Stubbe D, Lucia Taylor M, Toriello C, Velegraki A, Yurayart C, Maria Zancopé-Oliveira R. (2019) Dual DNA Barcoding for the Molecular Identification of the Agents of Invasive Fungal Infections. Frontiers in Microbiology 10(1647) 10.3389/fmicb.2019.01647