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Downy Mildew, Grey Mould and Leaf Spots of Lettuce: Lettuce is susceptible to various fungal pathogens (Bremia lactucae, Botrytis cinerea, Septoria lactucae, Cercospora longissima, Microdochium panattonianum) and bacterial pathogens (Xanthomonas campestris pv. vitians) causing damages on leafs, mould in the head and leaf spots. Because the leaf is the harvested product, Downy Mildew, Grey Mould and Leaf spots can cause considerable damage under the right environmental conditions. In the present version FieldClimate.Com is offering Models for the Infection by Downy Mildew, an Infection Model for Anthracnose and a Risk Model for Grey Mould.

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