Pathogen: Botrytis spp.
Conditions for Disease Development: Long hours of leaf wetness, high humidity, cool summer temperatures
Hosts: Onions, Garlic, Chive, Leek
Symptoms: Symptoms appear as leaf spots and tip dieback. Older leaves are more susceptible than younger ones. Poor bulb maturity and quality also occur
Treatment: Preventive Treament: Penncozeb 80WP,
At First of Symptoms: Alternate Topsin M ULV with Iprodione