FABI Researcher instrumental in wining the fight against grapevine leafroll disease
While grapevine leafroll disease has been controlled for decades within the South African Vine Certification Scheme, where virus-free nuclear stocks of vine cultivars are produced following heat-therapy and meristem tip culture, such material remains susceptible to viral infection and often progeny from the nuclear plants, planted in the field become infected again. Prof. The Vergelegen team, led by Managing Director Don Tooth and winemaker Andre van Rensburg, worked closely with Prof.