Impact of unseasonal rain and hailstorm on spoilage of onion (allium cepa l)

An attempt has been made to identify and study the impact of environmental factors i.e. natural calamities on the onions crop. Severe storms with high winds, hail, rain, and under unprecedented hail storms and unseasonal rainfall. Hailstorms at the end of December 2014 injured onion (Allium cepa L.) late kharif crop as well as rabi onion nursery. The kharif onion ready for harvest was affected by 30-40%. Late kharif which was planted in September-October got affected by 15-20% and rabi nursery damaged by 20-25%. The hailstorm strokes showing optimum climate which caused damage to the onion crop in different stages. At that stages damage caused by the different fungi like, Alternaria porri, Fusarium oxysporum, Sclerotium rolfsii, Stemphylium vesicarium,, Aspergillus niger, Penicillium sp, Rhizopus stolonifer was found to be severe.