09-16
2025
09-16
2025
09-16
2025
09-16
2025
09-16
2025
09-08
2025
South Africa - High pathogenicity avian influenza viruses (poultry) (Inf. with) - Follow up report 1
09-08
2025
First report of black root rot of lemon (Citrus limon) caused by Sordaria sclerogenia in Egypt
In November 2023, lemon trees (Citrus limon) showing black root rot, defoliation and mortality were observed in Wadi El-Natroun, Al-Behera governorate, Egypt (30° 59′ 16.5″N, 30°29′11.7″E), with a disease incidence of 25% (Fig. 1).
09-08
2025
First report of pepper virus A infecting potato in Egypt
Despite the importance of potatoes to the Egyptian economy, which comprise 14% of Egypt's agricultural exports, (Elawady & Abdulkheir, 2015), virus diversity studies in the main production area, the Delta region, remain limited (Elwan et al., 2017), with only one study using high-throughput sequencing (HTS) exploring the threats more broadly (Elwan et al., 2023).
09-08
2025
Confirmation Report of Bacterial Leaf Streak Disease of Rice Caused by Xanthomonas oryzae pv. oryzicola in Tanzania
Bacterial leaf streak (BLS), caused by Xanthomonas oryzae pv. oryzicola (Xoc), has emerged as a significant threat to rice production in Africa, ranking as the second most important bacterial disease of rice on the continent.
09-08
2025
First Report of Cryphonectria parasitica Causing Dieback on Sweet Chestnut (Castanea sativa) in Algeria
In July 2023, chestnut tree mortalities were reported in the parc châtaigneraie, situated in the Akfadou mountain range, in Tizi Ouzou, Algeria. Dead sweet chestnut (Castanea sativa) trees exhibited symptoms including crown dieback, withered and dried leaves clinging to the branches, and trunk and branch cracks and cankers, with a proliferation of epicormic shoots under the cankered areas.