first ventilate by only opening the windows on the lee side. Please note, this is not relevant for other diseases that are inhibited by reducing the…
dispersed by rain and wind and by humans and tools. Until now, no bacteria have been isolated from crazy roots. This disease seems to be caused by a…
protrude through the stomata. Secondary infection is either by germinating sporangia or by zoospores produced in the sporangia. For germination on…
petals and stems. These spots can be distinguished by the dark and brown concentric rings that are caused by sporulation. Species may differ in…
and the germ tubes infect the plants either through the stomata or directly by penetrating the cuticula. For germination free water is required. For…
propagation material. It spreads to other seedlings by touching the plants in greenhouse crops and by water in field crops, for example through…
that are in a sub-optimal condition or suffer from stress, caused for example by too much water, too high or low temperatures or sudden fluctuations…
above-ground plant parts. In greenhouses, usually only mycelium is produced by the germinating sclerotia. The fungus grows quite rapidly inside the…
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