Timber Industry Pesticide Working Group (TIPWG)

Technical support

TIPWG provides technical support and recommendations to Forestry South Africa (FSA), its Environmental Management Committee (EMC) and the forestry industry.

  • Adoption of new pesticides and removal of older, less effective formulations and active ingredients;
  • Coordinating industry registration applications, pesticide research and integrated pest management (IPM) practices;
  • The endorsement of new pesticides for regulatory approval.
Industry collaboration

TIPWG facilitates collaboration on pesticide use across the forestry industry.

  • Managing the list of approved pesticides;
  • Needs analysis for new pesticides;
  • Research regarding new pesticides for registration or label extensions;
  • Communicating industry’s voice to external bodies.

TIPWG seeks to achieve industry compliance with local legislation, international conventions and standards.

Local legislation

  • Fertiliser, Farm Feeds, Agricultural Remedies & Stock Remedies Act (No. 36 of 1947) and regulations (No. R1716, R98 and R181)
  • Occupational Health & Safety Act (No. 85 of 1993)
  • National Environmental Management Act (No. 107 of 1998)
  • National Environmental Management: Waste Act (No. 59 of 2008)
  • National Environmental Management: Biodiversity Act (No. 10 of 2004) & Alien and Invasive Species Lists, (2014)
  • National Water Act (No. 36 of 1998)
  • Disaster Management Act (No 57 of 2002)

International conventions

  • Rotterdam Convention on Prior Informed Consent Procedure (PIC) for Certain Hazardous Chemicals and Pesticides in International Trade
  • Vienna Convention on the Protection of the Ozone Layer and the Montreal Protocol on Substances that Deplete the Ozone Layer
  • International Labour Organisation (ILO)

Standards bodies

  • Forest Stewardship Council® (FSC®) Standards and Policies
  • South African Forestry Assurance Scheme (SAFAS) & Programme for Endorsement of Forestry Certification (PEFC)
  • International Standards Organisation (ISO)

All the legislation documents can be found in the member’s section – click here, for access

Provision of guidelines

TIPWG facilitates collaboration on socially acceptable, environmentally responsible and economically viable pesticide use across the forestry industry.

  • To create and develop a database on pesticides and associated information (MSDS, labels, approved use and application);
  • To develop standard operating procedures (SOP) with respect to pesticide usage, including minimising pesticide reliance and implementing IPM practices and biocontrol;
  • To advise on which generics are not polluted with contaminants.



Roger Poole – NCT Member Services Co-Ordinator


Roger is a Saasveld trained forester with 14 years’ experience in the industry. He has been involved in all aspects of forestry, managing plantations for various timber companies and private growers. Roger has always had an interest in pesticides and has completed the AVCASA Agricultural Management course at Technikon Pretoria.

In 2007, Roger made a move to the agrochemical industry marketing and selling pesticides across a number of markets, including forestry, working for water, conservation and rangeland.

After 11 years in the agrochemical industry, Roger returned to forestry where he now works at NCT as a Member Services Co-ordinator. In this role he assists private timber growers with supplying good quality fibre to be processed into wood chips for export to international paper manufacturers.

TIPWG Secretariat

Jacqui Meyer – Independent Forestry Consultant


Jacqui’s role as the TIPWG secretariat includes the following:

Assists the chairperson with running of working group and the organisiation of the meetings. Organises derogation applications to FSC on behalf of the industry. Creates communication platforms between the pesticide manufacturers and the forestry industry, developing an understanding for the pesticide industry of how the forestry industry works. Improve the communication between certain DAFF departments and TIPWG. Continued development and maintenance of a website for TIPWG. Prepare and manage both operational and research budgets for TIPWG. Liaise with various consultants on behalf of TIPWG and the industry. Assist with the development of the applicable Forestry Explained website pages and the review of many others. Assist in the development of a successful research programme with funding from FSA and industry partners. Continued contact with representatives from African and International forestry industries to create some collaboration and communication.

TIPWG Advisory Committee

Chris Foster – KLF: Environmental Practitioner: Highveld.


Chris is a trained forester, (silviculture and harvesting), with 30 years’ service. Since 2004 Chris has been employed as an Environmental Practitioner (SHEQ department), serving on TIPWG for many years as the secretary.

Job responsibilities: Provide environmental services to Highveld plantations and companywide. Compile conservation management plans. Monitor compliance of operations to the Integrated Management System and FSC Principles and Criteria. Identify shortfalls in management system for improvement. Communicate all chemical related issues to the company. First party auditing. Arrange environmental monitoring programme. Compile public summary of Environmental Monitoring report.

Ashleigh Pettersson – Sappi: Systems Administrator for SHEQ Systems.


Ashleigh has been working for Sappi since 2009 and is currently the Systems Administrator for SHEQ Systems, located in the Environmental Department, and based at Victoria Country Club Estate, Pietermaritzburg.

Her main role in Sappi Forests Southern Africa, is to manage the documentation of the SHEQ Risk Management System [RMS] and to provide systems related administration to the Sappi Forests Environmental team, Sappi Outgrower Certification Scheme [SOCS] and to generate and maintain the Safety Statistics for Sappi Southern Africa.

As well as being the custodian of the TIPWG approved list, Ashleigh is also the custodian of the Sappi Approved chemical list and function as liaison between TIPWG and Sappi in this capacity.

Michael Shuttleworth – Mondi Ltd: Innovation Manager

Head and shoulders

Michael graduated from Saasveld Forestry College in 1989 and has since been employed by Mondi in various operations across the country including a three year secondment to the Working for Water program as a technical advisor.

He is currently employed as a Technical Transfer Specialist in Mondi’s Zululand operations focusing on the application of best practice in Mondi’s operations, as well as the continuous improvement of these best practices through the application of technology, improved planning and technique.

Research associate

Dr Keith Little – Nelson Mandela University (NMU): Senior Researcher and Lecturer.

Keith Little Photo

Keith, based at the Nelson Mandela University George Campus, is involved with Silvicultural Research and Lecturing within the Forestry Programme (as part of the School of Natural Resource Management).

The main focus of Keith’s research centers around the broad silviculture areas of site preparation, regeneration and tending, with greater focus on vegetation and coppice management, eucalypt, pine and wattle regeneration, integrated pest management, abiotic risk mitigation and reducing chemical-use within forestry.

Keith is also interested in the development of interlinking support systems to enable and ensure seamless efficiencies between silviculture and other forest management disciplines (growth and yield, tree improvement, nursery practices, harvesting and spatial technologies), as well as interacting with the forest industry at all levels in aspects that are associated with research uptake and the subsequent delivery of any outcomes.

Technical advisor

Dr Gerhard Verdoorn – Griffon Poison Information Centre: Director.


Gerhard is the Director of the Griffon Poison Information Centre, managing a 24 hour wildlife and human poisoning information and emergency centre. He is also part of the agrochemical emergency response team and a technical advisor from many different pesticide, agrochemical and conservation bodies.

Gerhard’s academic qualifications include an M.Sc, PhD and Post-Doctoral fellowship in organic chemistry. This was followed with lecturing roles, as both a Senior Lecturer in Organic Chemistry and a Professor of Conservation Biology at the University of Johannesburg. His research career has focused on synthetic organic chemistry, phytochemistry, environmental toxicology, occupational health, industrial chemistry as well as vulture biology, toxicology and genetics.

As well as being the TIPWG Technical Expert, Gerhard is also a technical advisor for the Forest Stewardship Council, an advisor to the Predation Management Forum and the Chairman of the Safety, Health and Environment Committee of the Association of Veterinary and Crop Associations of South Africa (AVCASA) amongst other things.

TIP-Mag peer review team

Marius du Plessis – Mondi Ltd

Marius du Plessis

Marius manages the Tree Breeding and Technology department at Mondi Forests, South Africa, which aims at reducing plantation costs while improving the quality and value of the standing asset of the company.

Marius received a PhD (University of Stellenbosch, South Africa) in Forestry (Wood Science) in 2012. His PhD research focused on closing the gap between forestry and pulp processing, in particular the development of quality pulpwood for the Kraft pulping process in which he developed an index to describe optimum management practices.

An experienced R&D Project Manager, with a demonstrated history of working in the forestry, pulp and paper industries, Marius is skilled in R&D Project Management, Nursery and Propagation, Tree Breeding, Seed Production, and Wood Quality. He also has global experience as the Department CEO R&D Sinarmas Forestry (Indonesia) between 2016-2018.

A regular external examiner of Masters dissertations for local universities, Marius has also moderated B.Tech Silviculture for NMU and acted as peer reviewer for Southern Forests Journal when required to do so.

Chris Foster – KFL: Environmental Practitioner: Highveld.


Chris is a trained forester, (silviculture and harvesting), with 30 years’ service and since 2004 Chris has been employed as an Environmental Practitioner (SHEQ department). Chris has also served on TIPWG for many years as the secretary.
As an environmental practitioner, Chris provides environmental services to Highveld plantations and companywide, compiling conservation management plans and monitoring compliance of operations to the Integrated Management System and FSC Principles and Criteria. Chris is responsible for identifying shortfalls in management systems and communicating all chemical-related issues to the company, as well as party auditing and arranging environmental monitoring programme. Chris also compiles the public summary of the Environmental Monitoring report.

Izette Greyling – Mondi Ltd.

Izette Greyling

Izette works as a Forest Health Specialist overseeing the IPM programme within Mondi. Before turning to the corporate world, she was the Field Extension Officer for the Tree Protection Cooperative Programme (TPCP) at FABI. She obtained an MSc in Microbiology at the University of Pretoria and it was through the work of her MSc that she became involved in tree health diagnostics, first working as part of the Diagnostic clinic team and later managing the clinic from 2006 – 2011.

Izette has been an author and co-author on several peer-reviewed publications, all in the area of pests and pathogens affecting tree health and their management.

Jacqui Meyer – TIPWG

Jacqui Meyer

Jacqui has over 20 years experience in various roles in the forestry sector, including research, nursery, certification systems development, compliance, auditing and integrated pest management. She graduated with a Master’s from UKZN and has supervised and moderated various Honours and Masters dissertations.

Jacqui is now a consultant to the forestry industry and also the FSA: TIPWG Secretariat.

Craig Norris – NCT Forestry

Craig Norris

Craig has been with NCT Forestry for 21 years and is currently the Manager of the Forestry Technology Department which looks after NCT’s Research and Development investment including their Tree Improvement Programme. Other services include mapping, planning and certification.

Craig’s areas of interest in the Forestry R&D space are Silviculture and Tree Improvement for diverse sites and markets. He has also taken a keen interest in developing certification systems that are appropriate for smaller-scale plantation operations.

Craig has assisted with peer reviews of numerous ICFR publications and writes regular articles for NCT publications.

Jolanda Roux – Sappi

Jolanda photo 2019a

Jolanda is a pest and disease specialist, working for Sappi as a Programme Leader. Her main responsibilities include the management of pest and disease impacts for the company, monitoring and surveillance, diagnostics and participation in national pest and disease management activities in the South African forestry industry.

With a PhD in Microbiology, with an emphasis on plantation forest pathology, Jolanda also has over 20 years of experience working for Tree Protection Cooperative Programme (TPCP) at FABI as a tree health researcher and FSA funded extension pathologist. Her research focus is on the early detection, characterization, epidemiology and ecology of fungal pathogens, and their associated insects, on trees. During her time with TCPC she has trained multiple MSc and PhD students.

Jolanda has peer-reviewed articles for an extensive list of journals, including Annals of Forestry Science, Australasian Plant Pathology, Australian Journal of Experimental Agriculture, Diversity and Distributions, Forest Ecology and Management, Forestry, Forest Pathology, Fungal Biology, Fungal Diversity, Ghana Forestry Journal, Journal of Tropical Forest Science, Mycologia, Plant Disease, Plant Pathology, PlosOne, South African Forestry Journal and Southern Forests. She also sits on the editorial boards of, Southern Forests (2018-present), An International Journal of Forest Research (2012-present), Forest Pathology (2007-present), Tropical Plant Pathology Journal (2012-2013) and South African Journal of Science (2008-2017).

Benice Sivparsad – ICFR

Benice Silvespad

Benice is a Senior Scientist at the Institute for Commercial Forestry Research (ICFR) specializing in Eucalyptus protection. She joined the ICFR in 2016 after working as a post-doc in Plant Pathology at the University of KwaZulu-Natal, where she also completed her PhD.

Benice’s expertise lies in plant virology (virus identification and characterisation), molecular biotechnology (transgenic virus resistance) as well as biological control. At the ICFR, she is working on developing integrated pest management strategies aimed at minimising risk to tree plantations. Her current project involves the use of exclusion plots to evaluate the impact of eucalypt canopy pests on growth and productivity.

The rest of the team


Darryl HeronForestry and Agricultural Biotechnology Institute (FABI): TCPC
Brett HurleyForestry and Agricultural Biotechnology Institute (FABI)
Keith LittleNelson Mandela University
Jonathan RobertsNelson Mandela University
Benice SivparsadInstitute of Commercial Forestry Research
Bernard SlippersForestry and Agricultural Biotechnology Institute (FABI)

Forestry industry

Chris BurchmoreApril
Adrian Chaning-PearceCPS Seedlings
Brent CorcoranMondi Ltd
John Crawford-BruntYork Timbers
Dean Da CostaMondi Ltd
Stephanie DoigMiro Foretsry
David EverardSappi
Chris FosterSAFCOL / Komatiland Forest
Johan de GraafHMH
Izette GreylingMondi Ltd
Peta HardySappi
Phillip HongwaneSAFCOL
Jan HuyserForestry Consultant MTO
Karen KirkmanForestry Consultant AFC, PG Bison, MTO
Nwabisa LangaTWK
Alois MabuthoNew Forest Company
Kgosi MongwaketsiSafcol
Imran NakueiraBusoga Forestry Company
Johan NelTWK
Craig NorrisNCT Forestry Co-operative Ltd
Ashleigh PetterssonSappi
Jolanda RouxSappi
Gerco SerfonteinThe Molozi Trust
Nompilo SibisiWorld Hardwood
Colin SummersgillNCT Forestry Co-operative Ltd
Trevor ThompsonPrivate / SGS
Bob TumberShiselweni Forestry Company (TWK)
Hamish WhyleMerensky
Leigh WilliamsSappi

Pesticide companies

Pieter BeckerEcoguard
Cullen BotesVilla Crop
Robert DawsonMeridian Agritech
Derek JonesRolfe Agri
Alasdiar MackenzieSilvix Forestry
Callum MackenzieMidlands Spraychem / Silvix
Sean MackenzieSilvix Forestry
Mario MaritzMidlands Spraychem / Silvix
Megan TarrMadumbi


Jean AllenSeedling Growers Association of South Africa
Michael BraackDepartment of Environmental Affairs
Stuart CharltonSGS
Richard GreenDepartment Agriculture Forestry and Fisheries
Ronald HeathForestry South Africa
Manushka MoodleyForest Stewardship Council
Dr. Mike MorrisPlant Health Products (Pty) Ltd
Debbie MuirDepartment of Environmental Affairs
John ScotcherForestLore
Stu ValintinePrivate
Dr Gerhard H VerdoornCropLife / Griffon Poison Information Centre

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