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Eisa Nazerian, Seyed Saeid Modares Najaf Abadi , Mekameh Mahdavi,
Volume 2, Issue 2 (9-2013)
Abstract

Fusarium yellows causing yellow, brown and wilted leaves. The gladiola bulbs rot and reduce quantity, quality and marketability of flowers. Four Fusarium species, especially F. oxysporum. f.sp. gladioli cause this disease. These fungi can survive as microconidia, macroconidia, clamydospore and mycelium, in the soil. Bulb discoloration is the most common symptom of the disease. In storage, the diseased corms get softened, mummified and wrinkled. Many researches have been carried on to investigate the methods of disease control, but all were unsuccessful so far. Disease management is based on resistant varieties, chemicals, cultural and biological measures. However, a combination of several methods provides a better opportunity to manage this disease.

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