Chuma Situnda

Biosecurity Field Officer    His work involves monitoring of the Huanglongbing (HLB) vectors, Diaphorina citri and Trioza erytrea in Southern Africa. His work also includes identification of different psylloid species captured during field monitoring surveys around...

Andrè Combrink

Area Extension Manager : Eastern Cape    Andrè obtained his BSc (Botany and Soil Science) from North-West University (1992 to 1994). In 1995 he was appointed by the ARC – Institute For Tropical And Subtropical Crops in Nelspruit as researcher in the Cultivar...

Coenraad Fraenkel

Area Extension Manager : Western and Northern Cape    Coenraad has 12 years of experience in the field of precision agricultural practices in the fruit industry of which a decade is focused on citrus. He has experience in most provinces in South Africa and has also...

Leani Serfontein

Research Technician   2 Years’ experience in pest monitoring on citrus. Has experience in biological and cultural control of insect pests. Currently working under Dr Aruna Manrakhan on fruit flies and Dr Evans Mauda on other citrus pests.  QUALIFICATIONS BSc in...

Jan Landman

Postharvest Extension Officer   Jan joined the Extension team within CRI in 2021. He has over 25 years experience in general maintenance and technical side of packhouses, knowledge of various wax applications, identification of pest and diseases on citrus....

Dr. Davina Saccaggi

Research Entomologist & Acarologist Davina has 15 years of experience in agricultural biosecurity en entomology and acarology. Her research has dealt with understanding and preventing entry of agricultural insect and mite pests. She brings this experience to the...

Dr. Rachelle Bester

Researcher : Biotechnology  Experienced in the development of biotechnological tools and the utilisation of bioinformatic data analyses of HTS data to study diseases in woody perennials. 10 years’ experience in the development of molecular detection and quantitation...

Dr. Hano Maree

Programme Coordinator & Researcher: HLB & and Biotechnology  Hano Maree is a Biotechnology researcher and serves as the Programme Coordinator for the HLB Research Programme. His primary research focus revolves around graft transmissible diseases in perennial...

Mellissa Peyper

He has been a researcher at Citrus Research International since 2003. QUALIFICATIONS BSc Agric. Hons (Tuinboukunde) University of Pretoria – 1998 MSc Agric (Horticulture) University of Stellenbosch – 2002 Phd Agric (Horticulture) University of Stellenbosch – 2009...

Dr. Tammy Marsberg

Researcher : IPM   2 years post-doctoral fellowship at CRI and one year contract worker at CRI (3 years experience in citrus with CRI). Field and lab experience (genetic identification and biological assays). QUALIFICATIONS PhD...