Swarnakar, ShambhuChowhan, PapanTiru, ZeraldMandal, ParimalChakraborty, Arka Pratim2023-09-152023-09-1520220974-6927https://ir.nbu.ac.in/handle/123456789/5037Yellow leaf disease in B-9 variety of yellow mustard [Brassica juncea (L.) Czern] was noticed in the area of Khowaspur, Karandighi, Uttar Dinajpur District, West Bengal. Irregularly shaped dull yellow regions along the leaf margin and even in the midrib of leaf were observed. Fusarium equiseti (Corda) Sacc. (ON783721.1) was isolated and identified as causal potent fungal isolate causing yellows in leaves of Brassica juncea.enFusarium equisetiYellow leaf diseaseBrassica juncea.Article