Fusarium oxysporum f.sp. lycopersici

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Fusarium oxysporum f.sp. lycopersici

Fusarium oxysporum f.sp. lycopersici is a plant pathogenic fungus that specifically targets tomato plants (Solanum lycopersicum). It is a formae specialis of the species Fusarium oxysporum, which is known to infect a wide range of plant species.

Description

Fusarium oxysporum f.sp. lycopersici infects tomato plants through the roots and vascular system, causing a disease known as Fusarium wilt. The fungus colonizes the xylem vessels, leading to wilting, yellowing of leaves, and ultimately plant death. It is a soil-borne pathogen that can persist in the soil for several years.

Management

Management of Fusarium wilt caused by Fusarium oxysporum f.sp. lycopersici includes the use of resistant tomato varieties, crop rotation, and soil sterilization. Fungicides may also be used, although their effectiveness can vary.

Impact

Fusarium wilt caused by Fusarium oxysporum f.sp. lycopersici can result in significant economic losses for tomato growers. The disease is widespread in tomato-growing regions around the world and can be challenging to control once established.

Research

Research on Fusarium oxysporum f.sp. lycopersici focuses on understanding the genetic basis of pathogenicity, developing molecular markers for resistance breeding, and exploring alternative methods for disease management.

See also

• Fusarium oxysporum
• Tomato
• Plant pathology