Invasive Species Compendium

Detailed coverage of invasive species threatening livelihoods and the environment worldwide

Abstract

First report of Fusarium wilt of eggplant caused by Fusarium oxysporum f. sp. melongenae in Iran.

Abstract

In 2012, aubergine (Solanum melongena) production in several greenhouses and fields was surveyed in Iran. In Hormozgan and Semnan provinces, 15 and 12% of fields surveyed, respectively, were infected with an unknown disease. Those affected plants exhibited leaf chlorosis and slight vein clearing on the outer leaflets, slight yellowing of foliage and wilting of upper leaves and eventual death of the plant. Based on morphological characteristics, DNA sequence analysis and a pathogenicity test, the causal agent was identified as F. oxysporum f.sp. melongenae. This fungus is a major soil-borne pathogen and one of the causal agents of vascular wilt disease in aubergine. Occurrence of F. oxysporum on S. melongena has been reported in Japan, Korea, China, Italy, Greece, Spain, Turkey, the USSR, USA-Florida and Fiji. This is thought to be the first report of F. oxysporum f.sp. melongenae in Iran. Previously, the causal agent of Fusarium wilt of aubergine in Iran was attributed solely to Fusarium solani.