Mungbean necrosis disease caused by a strain of Groundnut bud necrosis virus

Tospovirus infection on mungbean (up to 70%) was noticed at Indian Agricultural Research Institute experimental farm, New Delhi in different varietal trials. Symptoms under field conditions included necrosis of plant parts such as leaves, stems, petioles, growing points, buds and pods. Symptomatic mungbean plants showed positive reaction with Groundnut bud necrosis virus (GBNV) and Watermelon silver mottle virus (WSMV) antisera in direct antigen-coated enzyme-linked immunosorbent assay. Mungbean Tospovirus was easily transmitted to cowpea cv. Pusa Komal, which could be used as a diagnostic