Timber Industry Pesticide Working Group (TIPWG)
Timber Industry Pesticide Working Group (TIPWG)
Timber Industry Pesticide Working Group (TIPWG)
Timber Industry Pesticide Working Group (TIPWG)
Timber Industry Pesticide Working Group (TIPWG)
Timber Industry Pesticide Working Group (TIPWG)
Timber Industry Pesticide Working Group (TIPWG)
Timber Industry Pesticide Working Group (TIPWG)
Timber Industry Pesticide Working Group (TIPWG)
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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 (SDS, 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.



Jacqui Meyer – Forestry Consultant


Jacqui is a Forestry Consultant specializing in Integrated Pest Management, Compliance and Auditing, Systems Development and Nurseries. Before this, she worked for Mondi Ltd for 14 years in various roles. During her time with Mondi, Jacqui Chaired TIPWG from 2016 to 2018, before becoming the TIPWG Secretariat, a position which she held from 2018 to 2022.

Jacqui has now taken over the helm of TIPWG as the Coordinator. In this role, Jacqui will be responsible for the following:

  • Overseeing TIPWG objectives and obligations – managing and facilitating TIPWG Working Groups to ensure timeous outcomes are met
  • Responsible for TIPWG APL / ESRA
  • Ensuring continued compliance with legislation
  • Represent TIPWG across all relevant platforms and with all relevant stakeholder groups
  • To facilitate FSA members with all things pesticide related
  • Responsible for all TIPWG communications and mailing lists
  • Production of regular reports
TIPWG Agro-Chemical Liaison

Roger Poole – NCT Forestry


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.

Research Liaison

Professor Jolanda Roux


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).

Research Associate

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


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.

The rest of the team


Brett HurleyForestry and Agricultural Biotechnology Institute (FABI)
Keith LittleNelson 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
Chris FosterSAFCOL / Komatiland Forest
Johan de GraafHMH
Izette GreylingMondi Ltd
Phillip HongwaneSAFCOL
Jan HuyserForestry Consultant PG Bison
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 BotesWinfield United
Derek JonesRolfe Agri
Alasdiar MackenzieSilvix Forestry
Callum MackenzieMidlands Spraychem / Silvix
Sean MackenzieSilvix Forestry
Mario MaritzMidlands Spraychem / Silvix
Jonathan RobertsEcoguard
Megan TarrAndermatt Madumbi


Jean AllenSeedling Growers Association of South Africa
Michael BraackDepartment of Environmental Affairs
Stuart CharltonSGS
Richard GreenDepartment Forestry, Fisheries and the Environment
Ronald HeathForestry South Africa
Mike MorrisPlant Health Products (Pty) Ltd
Debbie MuirDepartment of Environmental Affairs
John ScotcherForestLore Consulting
Stu ValintinePrivate
Gerhard H VerdoornCropLife / Griffon Poison Information Centre