'Candidatus Liberibacter' Pathosystems at the Forefront of Agricultural and Biological Research Challenges

4 Pág.The “yellow branch” symptom was one of the first recorded symptoms of citrus greening in South Africa later identified to be caused by ‘Candidatus Liberibacter africanus’. Depicted image is a typical example of this symptom on Citrus reticulata observed in winter 2021 (da Graça et al.).Peer reviewe