SA is the second largest exporter of fresh citrus fruit in the world. By CRI Biosecurity Division With 3 444 232 tonnes produced in 2022, and 99 697 ha under citrus production, SA is currently the 10th largest producer of…
This is the fourth instalment in our series on citrus biosecurity threats. By CRI Biosecurity Division Pseudocercospora leaf and fruit spot Symptoms Leaf symptoms initially appear as green-yellow patches. At maturity, the leaf spots are circular with a pale-brown or greyish…
This is the final instalment in our series on citrus biosecurity threats. By CRI Biosecurity Division Yellow vein clearing disease Symptoms Symptoms are most prominent on lemons. There are foliar symptoms of vein clearing and leaf crinkling, with irregular, elongated…