Apple scab 101
What is it and what can be done about it? By Anna Mouton. Apple scab or black spot is a disease of apples caused by the fungus Venturia inaequalis — unaffectionately known to many growers as fusi — short for…
Pseudomonas and Xanthomonas
Bacterial pathogens cause financial losses to fruit growers worldwide —South Africa is no exception. By Anna Mouton. The genera Pseudomonas and Xanthomonas contain disease-causing species that attack many different plants. But whereas all Xanthomonas species are associated with plants,…