reduced yield. Stem, petiole and pods are also infected with Cercospora with typical grey centres with dark brown borders. Disease Cycle Cercospora…
particles. Damage symptoms Phomopsis sclerotioides causes grey-black spots with a dark demarcation line on cucumber roots. The lesions are slightly…
or on the ground. Sclerotia germinate at temperatures between 4 and 26 °C with an optimum between 13 and 15 °C. Germination and infection mostly take…
of) leaf surfaces and may enlarge into dark brown lesions with a light brown centre. As with powdery mildew infection, pepper plants shed the leaves…
causes water-soaked lesions with vague borders and white fluffy fungal growth on the leaves. The centre is grey-brown with a light-green edge. On the…
sporangia from which subsequently zoospores are produced. Zoospores are spores with flagellae, which enable the spores to move through water. The…
the overwintering structures, which infect the host. Zoospores are spores with flagellae, which enable them to move through water. Infection is…
example, transfer from infected plum trees with high bacterial levels in the leaves to neighbouring peach trees with the bacteria mainly in the roots…
temperatures above 20 °C. The fungus produces pycnidia containing conidiophores with conidia and microsclerotia. Spread happens through dispersal of…
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