<![CDATA[Rice (Oryza sativa L.) is a strategic food commodity whose productivity at the farmer level is frequently constrained by diseases caused by fungi, bacteria, and viruses, reducing not only grain yield but also grain quality. A persistent obstacle in the field is farmers' limited ability to identify disease symptoms accurately, which often leads to mismatched control measures. This activity aimed to strengthen the capacity of farmers at Gapoktan Ngudi Makmur, Purworejo Village, Gemolong District, Sragen Regency, in recognizing major rice diseases, understanding the disease triangle concept, and applying field-level disease diagnosis principles. The activity was held on 24 January 2026 as part of the Farmer School, delivered through classroom presentation and interactive discussion supported by visual educational media. Nine major rice diseases were introduced, namely blast, bacterial leaf blight, tungro, sheath blight, brown spot, bacterial sheath rot, grassy stunt, ragged stunt, and stem rot, along with their causal agents, main symptoms, triggering conditions, and control measures. The disease triangle concept was used to explain that disease arises from the interaction of host plant, pathogen, and environment, while field diagnosis principles helped participants distinguish disease symptoms from physiological disorders such as nutrient deficiency. Results indicated an improvement in participants' understanding of disease types, causal agents, and a more systematic diagnostic approach, which is expected to encourage more targeted and sustainable disease management practices in the rice fields of Gapoktan Ngudi Makmur.]]>
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