oxysporum is the only Fusarium that actually grows inside the vessel system of the host plant and spreads upwards inside the plants. The other species…
humidity favours the spread of the disease and severity. The fungus has the ability to overwinter in plant debris and remains in the field for long…
wilt at the time of first harvest or after that. The pith disintegrates and the stem becomes hollow. Because of the bacterial growth in the pith, the…
survives in the soil and in buried tomato roots as microsclerotia. The microsclerotia germinate and produce mycelium that in turn infect the roots of…
patches on the affected plant parts. All the above ground plant parts are susceptible to infection. Powdery growth on both the surface of the leaves.…
wet downy growth on lower surface of the leaves. Usually middle leaves are infected first followed by other leaves. The affected leaves die quickly.…
as they grow. The centre of the lesions may fall out as they become drier. Under humid conditions, the spots may merge with lesions on the petioles…
spores surviving in the soil are the main source of infection. Especially wheat and barley reduce the number of surviving conidia in the soil. Use…
density. The foot of the plant is infected, either because the seedling was infected or by direct infection of the foot by overwintering inoculum. On …
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