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Rochelle de Bruyn

Rochelle de Bruyn

CIS and GTD Technician
CRI at Nelspruit

Joined CRI as an intern for the molecular laboratory in February 2017 and was permanently appointed as a Graft Transmissible Disease (GTD) Technician in April 2018.

  • BSc. Biotechnology  at the University of Pretoria (2015)
  • BSc. (Hons) Microbiology at the University of Pretoria (2016)


Current Research Focus 
  • Shoot tip grafting (STG) for the Citrus Improvement Scheme (CIS)
  • Development and optimisation of a detection assay for Citrus virus A (CiVA)
  • Diagnostic services for Biosecurity through the molecular testing of plant material and insects for the presence of Liberibacter africanus (Laf)
  • General involvement and molecular testing for all GTD projects
Recent Research Papers 

Cook, G., Steyn, C., Breytenbach, J. H. J., de Bruyn, R., and Fourie, P. H. 2020. No detection of seed transmission of citrus tatter leaf virus in ‘Meyer’ lemon. Journal of Plant Diseases and Protection 127:895-898.


Cook, G., Coetzee, B., Bester, R., Breytenbach, J. H. J., Steyn, C., de Bruyn, R., Burger, J.T., and          Maree, HJ. 2020. Citrus tristeza virus isolates of the same genotype differ in stem pitting severity in grapefruit. Plant Disease 104:2362-2368.