Integrated management strategies for septoria leaf spot in pistachio (Pistacia vera): Challenges and advances

Abstract

Pistachios are economically important crops facing increasing threats from fungal diseases, particularly Septoria leaf spot, which has a significant global impact, causing substantial yield losses and economic damage worldwide. This review comprehensively examined existing literature on Septoria leaf spot of pistachio, including peer-reviewed articles, scientific reports, and relevant databases, to characterize the disease, assess its impact on pistachio production, and evaluate available management strategies. Septoria leaf spot is a significant foliar disease causing severe defoliation and yield reduction, prevalent in major pistachio-growing regions. Management strategies reviewed include cultural practices (proper irrigation, sanitation, and weed control), biological control (utilizing beneficial microorganisms), chemical control (employing fungicides strategically), and host resistance (utilizing resistant cultivars). Effective management requires an integrated approach combining multiple strategies, with continued research crucial to develop novel and sustainable control methods, such as improved fungicides and the identification and utilization of highly resistant cultivars. Implementing these strategies will enhance pistachio tree health, improve yield and quality, and ensure the long-term sustainability of pistachio production.