greenhouses, dispersal of spores over small distances (limited time) mostly happens via workers’ clothing. Damage symptoms Powdery mildew symptoms are…
rain, irrigation water or handling of the plants. Infection of the plants happens both passively and actively. Infection and disease development are…
the shoots get shorter internodes. Infected vines eventually die. This happens faster in younger vines than in older ones and faster in susceptible…
grow between the plant cells and eventually inside the kernels. When that happens, the fungal mycelium turns into teliospores and the whole kernel…
serious cases they may snap. The fruit can also be affected, and when this happens in tomatoes, the skin becomes coarse and turns reddish brown and…
to be returned to the soil from infected plants. Dispersal in the soil happens via water, since the zoospores can readily move through water. This…
further growth of the fungus. In cultivars that are more resistant, this happens faster so the lesions remain smaller. Based on the research that has…
between the plant cells and eventually grow inside the kernels. When that happens, the fungal mycelium turns into teliospores and the whole kernel…
young plants through infected tubers, the wilting and collapse of plants happens rapidly. Leaves remain green after wilting, until they are completely…
rain, irrigation water) and nutrients for germination. Germination also happens at very high relative humidity (RH > 93%) on dry plants. The germ tube…
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