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Fusarium oxysporum f.sp. lycopersici is a fungal plant pathogen. It is a big pathogen to the tomato plant. It has a violet to white color on most media but does not produce a pigment on King's B medium. It has been spread to tomato seeds by the hands of contaminated workers. The seeds of infected plants may be infected as well.
The main control method for F. oxysporum f. sp. lycopersici, vascular wilt on tomato, is resistance. Other effective control methods are fumigating the infected soil and raising the soil pH to 6.5-7. [8] The most effective way to control F. oxysporum f. sp. melonis is to graft a susceptible variety of melon to a resistant root-stock. [9]
These diverse and adaptable fungi have been found in soils ranging from the Sonoran Desert, to tropical and temperate forest, grasslands and soils of the tundra. [10] F. oxysporum strains are ubiquitous soil inhabitants that have the ability to exist as saprophytes, and degrade lignin [11] [12] and complex carbohydrates [13] [14] [1] associated with soil debris.
Fusarium oxysporum f.sp. radicis-lycopersici is a fungal plant pathogen. Affected hosts. The host range (note that asymptomatic plants can still be hosts) ...
Pyrenochaeta lycopersici; Didymella stem rot Didymella lycopersici; Early blight Alternaria solani; Fusarium crown and root rot Fusarium oxysporum f.sp. radicis-lycopersici; Fusarium wilt: Fusarium oxysporum f.sp. lycopersici; Gray Leaf Spot: Stemphylium botryosum f.sp. lycopersici; Stemphylium lycopersici. Stemphylium floridanum; Stemphylium ...
The name Raf derives from the fact that it is resistant to a fungus called Fusarium oxysporum lycopersici (in Spanish, "resistente al Fusarium"). This was one of the causes of its popularization in greenhouse cultivation. Raf is the product of a selection of traditional tomatoes so it is not a hybrid tomato.
Fusarium oxysporum f. sp. lycopersici: Tomato vascular wilt Six1 (Avr3) - recognised by the R-protein I-3 from tomato, and when this happens local cell death is triggered as a defense mechanism. [10] Six3 (Avr2) - recognised by the R-protein I-2, triggering local cell death. [10]
Fusarium oxysporum is the cause of fusarium wilt disease and Moniliophthora roreri, which causes frosty pod rot disease of cacao, are hemibiotrophs that affect many agricultural and floricultural crops worldwide [14] [15] [16]