Damba Yahaya

Effect of Spacing on the Yield and Yield Attributing Parameters of Cowpea (Vigna unguiculata L. Walp)

Damba Yahaya, Abdul Soubir Shaani & Mohammed Hafiz Mbielayim Iddrisu · Biotechnology Journal International · 2025

Introduction: Cowpea (Vigna unguiculata L.Walp) is a vital legume crop in semi-arid regions due to its adaptability to low soil fertility and limited water availability. Despite its considerable potential, cowpea yields in sub-Saharan Africa remain substantially low, which is par...

Open access Research Article 10.9734/bji/2025/v29i6807

The Response of Local White Guinea Yam Cultivars to the Vine Cutting Propagation Technique Using Locally Available Rooting Substrates

Ziblila Sayibu, Damba Yahaya, Emmanuel B. Chamba, Kwabena Darkwa, Mariam Dauda & Freda A. Agyapong · Biotechnology Journal International · 2023

Good quality planting materials for yam cultivation is a major challenge and adapting the most preferred local varieties to high ratio propagation methods such as the vine cutting could help ameliorate this constraint. An experiment was conducted in the screen house at CSIR-Savan...

Open access Research Article 10.9734/bji/2023/v27i2677

Assessment of Botanical Powder Treatments for Enhancing Post-Harvest Resistance of Cowpea (Vigna unguiculata (L.) Walp.) Varieties to Pulse Beetle (Callosobruchus maculatus F.) Infestation in Northern Ghana

Ahmed Seidu, Benjemin K. Badii, Damba Yahaya, Issah Sugri, Mutari Abubakari, Issah A. Abukari, Mukhtaru Zakaria, Haruna Yamyoliya, Surazu Imoro, Isaac Yaw Berbiye & Mumuni Abudulai · Journal of Agriculture and Ecology Research International · 2026

Callosobruchus maculatus (F.) is a cosmopolitan and highly destructive pest of stored pulse grains, causing post-harvest and economic losses to farmers and traders, as infestation of stored grains is difficult to prevent. This study determined the effectiveness of selected botani...

Open access Research Article 10.9734/jaeri/2026/v27i4774