Spatial Analysis of Vegetables’ Fungal Diseases in Basra City During (2016-2017)

Abstract

Plants in Basra city are exposed to many diseases which are caused by parasites, suchas wilt and spotting of leaves diseases which are caused by fungi in fields planted especially by vegetables whether in houses or in plastic tunnels. Infection is increased inside plastic tunnels and houses because of the environmental conditions such as air and soil temperature and humidity and also the air currents inside the house in addition to insects and the farmer’s routine tasks which all help increase these fungal and viral diseases. The total number of houses infected with wilt diseases during winter was (365), while the total number of infected tunnels was (964) tunnels. As for summer, the number of houses and tunnels infected with wilt diseases fall down to (195) and (141) respectively. It worthwhile mentioning that that the most significant fungus that causes such wilt diseases is Fusarium spp, which is subdivided into Fusarium solani, Fusarium oxyspoum, Rhizoctonia solani, and Sclerotina sclerotina, Alternaria spp , Botrytis spp , Aspergillus spp