Ashok Kumar Nag

Effective Biopesticides Analysis for Blast Disease of Rice in Ranchi District of Jharkhand State, India

Munmun Mitra & Ashok Kumar Nag · Asian Journal of Research in Crop Science · 2025

Blast disease in Rice was first reported in China in1637, in India it was first reported in 1918 Pyricularia oryzae, a fungus of Ascomycota release septate pear form conidia attack host’s leaves, node, internode area. In 1919-1920 Japan was affected by blast of rice create 40-90%...