Abstract:
Momordica subangulata Blume subsp. renigera (G. Don) de Wilde is an important vegetable in India. In June
2015, blossom blight symptoms of Momordica subangulata subsp. renigera was first time noticed in the experimental plot
of Directorate of Research, Bidhan Chandra Krishi Vishwavidyalaya, Kalyani, West Bengal, India. The disease severity ranged
from 10-30% and the disease infection was also recorded from several other districts of West Bengal, India. The disease is
caused by zygomycetous fungi, Choanephora infundibulifera (Currey) sacc. is the main causal organism of blossom blight
disease. The temperature 28-30°C with high humidity (70-90%) prevalent during the rainy season (June-November) favoured
the disease development. This is the first report of blossom blight of Momordica subangulata subsp. renigera caused by
Choanephora infundibulifera.
