In vitro Efficacy of Bio-agents and Plant Extracts against Alternaria alternata Causing Leaf Blight of Yardlong Bean
Yardlong bean (Vigna unguiculata subsp. sesquipedalis) is an important vegetable crop affected by fungal diseases, including leaf blight caused by Alternaria alternata. This study evaluated the in vitro efficacy of selected bio-agents and aqueous plant extracts against A. alternata under controlled laboratory condition...