Work

Management of Faba Bean ( Vicia faba L.) Varieties Against Chocolate Spot and Rust Diseases Through Integration of Fungicides in the Hararghe Highlands, Eastern Ethiopia

Year: 2025

Type: article

Abstract: Faba bean ( Vicia faba L.) is a crucial pulse crop extensively cultivated in the country for its contributions of proteins, carbohydrates, and economic benefits. However, its production has decreased due to fungal diseases, specifically chocolate spot ( Botrytis fabae ) and rust ( Uromyces viciae-fabae ). The experiment was conducted at Arbarakate and Ija Fara farmers training center (FTC) research sub sites during the main crop season of 2022 to evaluate management strategies for chocolate spot and rust diseases through the integration of host resistance with fungicides. The study utilized a factorial combination of four varieties of faba bean (Aloshe, Dide’a, Gabelcho, and Local) along with two fungicides (Kanzole 25% and Mancozeb 80WP), including a control, within a randomized complete block design (RCBD) with three replications. Diseases and crop‐related parameters were analyzed using SAS software, while SPSS version 20 was used for correlation analyses of yield and yield‐related parameters of faba beans in relation to disease intensity. Findings revealed that faba bean varieties and fungicides had significant ( p < 0.05) effects on disease incidence (DI) and the number of pods per plant (NPPP) at both locations, while percent severity index (PSI), number of seeds per pod, 100 seed weight, and above‐ground biomass (AGB) were significantly affected by both factors at Ija Fara. Phenological parameters were significantly affected by varieties only at both sites. The interaction of variety and fungicides had a significant influence on the number of fertile tillers and yield at both sites. Moreover, grain yield showed highly significant negative correlations with disease parameters, suggesting their impact on yield reduction. The highest yield of 4726 kg/ha was obtained from the Aloshe variety treated with Kanzole 25% EC, followed by 4678 kg/ha from the same variety with Mancozeb 80WP at Arbarakate, whereas the lowest yield of 2168 kg/ha was obtained from the local control at Ija Fara. The integration of bean varieties such as Aloshe and Dide’a, along with Kanzole 25% EC and Mancozeb 80WP fungicides, significantly reduced disease severity and increased yield. Moreover, applying Kanzole EC 25% with the Aloshe variety led to high net benefits (NBs) with an acceptable marginal rate of return (MRR). The study concluded that the use of Kanzole EC 25% with the Aloshe variety is recommended for optimal production in the study area and other similar agroecologies to confirm the present results.

Source: Advances in Agriculture

DOI: 10.1155/aia/6645183

Authors: Ahmed Beyan Heji, Gelana Keno Beyene, Abdela Usmael Adem, Bedasa Soresa Kenea, Amin Mohammed Yones

Institution: Oda Bultum University

Language: English

Topic: Fungal Plant Pathogen Control

Subfield: Plant Science

Field: Agricultural and Biological Sciences

Domain: Life Sciences

SDG: Zero hunger

Open Access status: gold

Estimated APC paid: $860