What are the characteristics of Fusarium?
What are the characteristics of Fusarium?
Fusarium species were identified according to their macroscopic characteristics, which included colony morphology, color, the growth rate of molds, the microscopic characteristics of their hyphae, spores and conidia, and the relationships among these characteristics in specimens grown on PDA.
What is Fusarium oxysporum?
The fungus Fusarium oxysporum f. sp. Lycopersici causes fusarium wilt and infects solanaceous crops and weeds (such as pigweed, mallow, and crabgrass). The fungus can be introduced on infected transplants or spread on equipment contaminated with infested soil.
How can you tell Fusarium oxysporum?
Morphological identification of Fusarium isolates was done using conidial and hyphal structures. Molecular identification of Fusarium isolates was done by amplifying the internal transcribed spacer (ITS) region of the conserved ribosomal DNA using primers ITS1 and ITS4.
Which is the Colour of mycelium of Fusarium oxysporum?
In general, the aerial mycelium first appears white, and then may change to a variety of colors – ranging from violet to dark purple – according to the strain (or special form) of F. oxysporum. If sporodochia are abundant, the culture may appear cream or orange in color (Smith et al., 1988).
Is Fusarium a mold or yeast?
Non-Aspergillus molds include mucormycetes such as Rhizopus and Mucor species, hyaline (colorless) molds such as Fusarium species, and dematiaceous (dark, melanin-containing) molds such as Curvularia and Exophiala species.
Does Fusarium have Septate hyphae?
On slide culture, Fusarium species appears as septate hyaline hyphae with acute angle branching. The appearance of banana or sickle-shaped macroconidia on lactophenol preparation is a pathognomonic feature of Fusarium species.
What causes Fusarium oxysporum?
The pathogen that causes Fusarium wilt is Fusarium oxysporum (F. oxysporum). The species is further divided into formae speciales based on host plant….
| Fusarium wilt | |
|---|---|
| Causal agents | Fusarium oxysporum |
| Hosts | Tomato, tobacco, legumes, cucurbits, cotton, sweet potatoes and banana |
| EPPO Code | FUSAOX |
What disease does Fusarium oxysporum cause?
fusarium wilt, widespread plant disease caused by many forms of the soil-inhabiting fungus Fusarium oxysporum. Several hundred plant species are susceptible, including economically important food crops such as sweet potatoes, tomatoes, legumes, melons, and bananas (in which the infection is known as Panama disease).
What is the definition of Fusarium?
Definition of fusarium : any of a genus (Fusarium) of ascomycetous fungi having curved septate conidia which includes forms that are important agents of plant disease and others that produce mycotoxins implicated in human and animal disease also : a plant disease (such as wilt or dry rot) caused by a fusarium.
Is Fusarium a bacteria?
Fusarium /fjuˈzɛəriəm/ (help·info) is a large genus of filamentous fungi, part of a group often referred to as hyphomycetes, widely distributed in soil and associated with plants. Most species are harmless saprobes, and are relatively abundant members of the soil microbial community.
What is the difference between macro and Microconidia?
Relatively large and complex conidia are termed macroconidia while the smaller and more simple conidia are termed microconidia. When the conidia are enclosed in a sac (the sporangium), they are called endospores.
Is Fusarium a bacteria or fungi?
