optimum temperature is around 15 o C and the closer the temperature is to this, the shorter the leaf wetness period that is required. Inside the…
stomata and the fungus grows inside the leaf. Later, the conidiophores in this case also protrude from the stomata. Conidia are the main means of…
is low, infection may remain latent until conditions are more favourable. This makes it more difficult to recognize infected fields. Damage symptoms…
to stop the fungus from spreading. This gum blocks the xylem and causes the wilting which is the main symptom of this Fusarium species. Higher up in…
main source of primary infection and this may lead to death of seedlings. From the primary infection of leaves, this type of carrot disease can spread…
soil happens via water, since the zoospores can readily move through water. This explains why the disease spreads more rapidly when the water content…
spread to neighbouring plants. The zoospores disperse via water. Therefore, this disease spreads most rapidly in wet conditions with a high water…
spread to neighbouring plants. The zoospores disperse via water. Therefore, this disease spreads most rapidly in wet conditions with a high (>70%)…
wilts and rots. White, fluffy fungal mycelium grows on the lesions, giving this disease its name cottony soft rot. In the mycelium, big, dark…
humans and tools. Until now, no bacteria have been isolated from crazy roots. This disease seems to be caused by a change in the hormonal system of…
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