Publication Details
Abstract
This study assessed the biological efficacy of fungicides against Ascochyta pisi, a widespread disease of mung bean (Vigna radiata L.) that has a significant negative impact on yield and seed quality. The study was conducted in 2025 under artificial infestation in a small field. Fungicides with different mechanisms of action were selected and field-tested, demonstrating high efficacy in suppressing Ascochyta pisi in laboratory conditions.
According to the experimental results, in the control variant, the disease prevalence was 84.0%, and the disease progression was 44.1%, indicating a high infection rate. In the variants where fungicides were used, the disease prevalence was 25.6-50.5%, and the disease progression was 7.6-13.9%. The highest biological efficacy was recorded for Agro-Switch 62.5% n.d.g., a combination of fludioxonil and cyprodinil (80.2-82.9%). Signal 38% n.d.g., a QoI + SDHI compound, also demonstrated high efficacy (76.5-79.7%).
The obtained results demonstrate the superiority of combined fungicides over preparations containing single-active substances and confirm the feasibility of their rational use for the effective control of ascochytosis in mung bean crops.