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The Tree Protection Co-operative Programme (TPCP) was established based on a very small team of researchers at the University of the Free State and focused on a single threatening Eucalyptus disease problem. The programme has since grown to become highly recognised internationally as the single strongest programme dealing with pest and pathogen problems in plantation forestry in the world. The TPCP has also brought huge energy to agricultural research and education in the biological sciences in South Africa. For example, it formed the foundation for the establishment of the Forestry and Agricultural Biotechnology Institute (FABI) at the University of Pretoria, which has become a flagship research centre promoting many aspects of plant improvement in South Africa.

The TPCP represents a co-operative research initiative between the University of Pretoria and all private forestry companies in South Africa. It is also supported by the South African Government Department of Forestry, Fisheries and Environment. Other than long and short-term research, the TPCP provides members with extension services, training of forestry students at Universities, access to a world-class disease and pest diagnostic clinic and guidance in dealing with tree pest and pathogen problems. One of the key products of the TPCP is to produce biological control agents for insect pests that damage plantations belonging to members. This work depends on outstanding quarantine green house and related facilities.

The TPCP formed the basis for the establishment of the Department of Science and Innovation (DSI)-National Research Foundation (NRF) Centre of Excellence in Plant Health Biotechnology (CPHB). This programme focuses on the health of native South African trees. Given that pests and pathogens are moving from native to non-native plantation trees and vice versa, there is substantial synergy between these two programmes.

New Publications

Nadasen TR, Hein I, Berger DK. (2026) Structural phylogenetics identifies conserved effector families and cell death-inducing proteins from Cercospora zeina. Molecular Plant-Microbe Interactions First Look 10.1094/MPMI-05-26-0048-R
Mbamali SKS, Mohlomi N, Van Der Nest MA, Mchunu NP, Permaul K. (2026) Reciprocal Genome Projection Reveals Reference-Conditioned Functional Variation in Clinical Aspergillus Section Nigri Isolates. Pathogens 10.3390/pathogens15090941
Schertler A, Lenzner B, Dullinger S, Moser D, García-Rodríguez A, Krisai-Greilhuber I, Voglmayr H, Bufford JL, Santini A, Ghelardini L, Capinha C, Reino L, Wingfield MJ, Thines M, Talhinhas P, Dawson W, van Kleunen M, Kreft H, Pergl J, Pyšek P, Weigelt P, Winter M, Essl F. (2026) Are novel and co-xenic associations common in alien fungal and fungus-like plants pathogens?. New Phytologist 10.1111/nph.71455
Thango S, Nsibo DL, Berger DK, Visagie CM, Slippers B. (2026) Phenotypic variation in the in vitro and in planta aggressiveness traits among Exserohilum turcicum strains from South Africa. Plant Pathology 75(4):e70257. 10.1111/ppa.70257
Bradshaw MJ, Paul A, Villani S, Bensch K, Mitchell KJ, Pfister DH, Visagie CM, Garfinkel AR, Quesada-Ocampo L, Aime MC, Braun U. (2026) Modern taxonomy as the foundation for identifying and managing fungal and fungus like plant pathogens. Plant Disease 10.1094/PDIS-12-25-2537-FE
Balocchi F, Wingfield MJ, Paap T. (2026) Occurrence of Phytophthora cinnamomi in the rhizosphere of declining Leucadendron elimense subsp. salteri in South Africa. Forest Pathology 56(4):e70097. 10.1111/efp.70097 PDF
Pham NQ, Wingfield BD, Marincowitz S, Marpaung YMAN, Selebi AP, Tarigan M, Wingfield MJ. (2026) A novel Cryphonectria species (Cryphonectriaceae, Diaporthales) discovered on Eucalyptus, including insights into the mating biology of the genus. Fungal Biology 130:101831. 10.1016/j.funbio.2026.101831
Kim JS, Lee W, Seo CW, Lee JW, Perera RH, Rho SM, Visagie CM, Houbraken J, Lim YW. (2026) A comprehensive assessment of Penicillium diversity in marine environments. Studies in Mycology 115:1–57. 10.3114/sim.2026.115.01
Jami F, Truter M, Pavlic M, Chen SF, Roux J. (2026) Identification of Botryosphaeriaceae species in the South African National Collection of fungi, including a novel species of Oblongocollomyces. African Biodiversity & Conservation 56(1):1-13. PDF
Vettraino AM, Bose T. (2026) Urban green spaces as emerging hotspots for Phytophthora diversity: a global synthesis of host associations, distribution and management gaps. Frontiers in Forests and Global Change 9:1872981. 10.3389/ffgc.2026.1872981