Hira Kaji Manandhar

Evaluation of Indigenous Trichoderma Isolates from Nepal Terai Region against Sheath Blight Disease of Rice

Ram Nandan Yadav, Hira Kaji Manandhar, Kishor Chandra Dahal, K. C. Gopal Bahadur & Laxmeshwor Yadav · Journal of Advances in Biology & Biotechnology · 2026

Sheath blight caused by Rhizoctonia solani is a major constraint to rice production in Terai region of Nepal, often resulting in substantial yield losses. The heavy use of chemical fungicides raises serious concerns about environmental pollution and human health, highlighting the...

Open access Research Article 10.9734/jabb/2026/v29i43797

Field Validation of Fungicides for the Management of Rice Brown Spot Disease (Bipolaris oryzae)

Rajan Lamsal, Surakshya Ghimire, Gautam Thapa & Hira Kaji Manandhar · Asian Journal of Biology · 2026

Brown spot, caused by Bipolaris oryzae, is an important constraint to rice production under favourable disease conditions. This study evaluated the field efficacy of eight fungicides against brown spot and assessed disease severity among rice genotypes cultivated in farmers’ fiel...

Open access Research Article 10.9734/ajob/2026/v22i7675