makes it more dangerous in temperate regions. It survives well in water and in many different soil types and on alternative hosts like weeds. It…
the stem base. The plant above it wilts and rots. White, fluffy fungal mycelium grows on the lesions, giving this disease its name cottony soft rot.…
fuckeliana / Botrytis cinerea ) is a commonly found fungus in many environments. It survives in plant parts like bulbs and crop residues or as…
hardens the cell walls and makes it harder for the fungi to enter the leaves To reduce chances of powdery mildew in greenhouses, it is advised to…
Damping-off General Pythium is considered a ‘weak pathogen’, meaning that it can usually only affect plants that are in a sub-optimal condition or…
of seedlings General Pythium is considered a ‘weak pathogen’, meaning that it can usually only affect plants that are in a sub-optimal condition or…
been defined. The assumption is that the bacteria survive in the soil, but it is possible that first infection is from the propagation material.…
tuber-borne and primary infection is mostly from infected propagation material. It spreads to other seedlings by touching the plants in greenhouse…
general soil inhabitant. The fungus infects tubers which are damaged at harvest. It may also infect tubers from inoculum present on tools and in…
Alternaria radicina Black rot of carrots General The only known stage in all Alternaria species is the asexual stage. Conidia and mycelium overwinter…
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