Dual-loaded chitosan nanocarriers for sustainable management of Pseudomonas syringae in tomato: A critical narrative review and conceptual synthesis - Zeeshan Ahmad; Urooj Farid; Tauqeer Ahmed Qadri; Sana Azeem Kiani; Arslan Ali; Muhammad Nadeem Hassan; Humaira Yasmin (Physiological and Molecular Plant Pathology, 2026)