Gesine Coetzer

First report of cladode spot caused by Alternaria alternata on Opuntia robusta in South Africa

Opuntia robusta is a cactus species cultivated for both fodder and fruit production. In November 2024, cladode spot symptoms were observed on approximately 60% of O. robusta plants cultivated at an experimental farm in Bloemfontein (29.1035° E, 26.1740° S), South Africa. Symptoms...