DIVISION:
Disease Management
PROGRAMME COORDINATOR:
Dr. Ronel Roberts
COLLABORATING RESEARCHERS:
Dr. Providence Moyo (Fruit & Foliar, including Citrus Black Spot), Dr. Glynnis Cook and Mr. Kobus Breytenbach (Graft Transmissible Diseases), Mr. M.C. Pretorius and Dr. Jan van Niekerk (Soilborne Diseases), Dr. Wilma du Plooy (Postharvest Diseases), Dr. Tim Grout and Dr. Aruna Manrakhan (Integrated Pest Management), Mr. Johan Joubert (Cultivar Evaluation)
The Diagnostic Centre is situated in Nelspruit and provides diagnostic and technical services to citrus fruit growers, other role players in the citrus industry and the Citrus Improvement Scheme. Diagnostic services offered are summarised below:
Soilborne Diseases
- Soil and root analysis for nematodes
- Soil, root and water analysis for Phytophthora or Pythium
- Bio-assay for advanced microbial degradation of nematicides
- Contract evaluation of crop protection products
Graft Transmissible Diseases
- Diagnosis through visual assessment, biological indexing, ELISA and PCR
Citrus Black Spot
- Diagnosis through visual assessment, conventional and molecular techniques
- Fungicide resistance screening
- Market access support
- Contract evaluation of crop protection products
Fruit & Foliar Diseases
- Diagnosis through visual assessment, conventional and molecular techniques
- Fungicide resistance screening
- Fungicide spray deposition assessment
- Contract evaluation of crop protection products
Postharvest Diseases
- Diagnosis through visual assessment, conventional and molecular techniques
- Fungicide resistance screening
- Analysis of packhouse water samples
- Contract evaluation of crop protection products
Horticulture
- Internal fruit quality
- Cultivar evaluation
Entomology
- Diagnosis through visual assessment and conventional techniques
- Red scale organophosphate resistance
- Contract evaluation of crop protection products
More information on services and prices can be obtained from Elaine Basson:
CRI-Diagnostic Centre
P O Box 28
Nelspruit, 1200
Telephone: +27 (0) 13 759 8000