First Report of Alternaria alternata Causing Leaf Spot on Sweet Cherry ( Prunus avium L.) in the Western Himalayan Region of India
Sweet cherry (Prunus avium L.) is an economically important stone fruit cultivated in the Shimla district of Himachal Pradesh (H.P.), India (31.1050°N, 77.1640°E), which accounts for over 90% of India's cherry production (~3,000–3,500 ha). During surveys in June–July 2023 and 2024, leaf spot disease was observed at sev...