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Peronosporaceae

Phytophthora infestans, Krompirjeva plesen
Phytophthora infestans, Krompirjeva plesen
Phytophthora infestans, Krompirjeva plesen
Phytophthora infestans, Krompirjeva plesen
Plasmopara viticola, Peronospora vinske trte
Plasmopara viticola, Peronospora vinske trte
Peronospora pulveracea
Peronospora pulveracea
Phytophthora alni, Jelševa sušica
Phytophthora alni, Jelševa sušica
Phytophthora porri, Papirnata bolezen listja pora in čebule
Phytophthora porri, Papirnata bolezen listja pora in čebule
Botrytis parasitica var. parasitica, Kapusna plesen
Botrytis parasitica var. parasitica, Kapusna plesen
Bremia lactucae, Solatna plesen
Bremia lactucae, Solatna plesen
Phytophthora ramorum, Fitoftorna sušica vejic
Phytophthora ramorum, Fitoftorna sušica vejic
Peronospora crustosa
Peronospora crustosa
Phytophthora capsici, Paprikina plesen
Phytophthora capsici, Paprikina plesen
Pseudoperonospora cubensis, Kumarna plesen
Pseudoperonospora cubensis, Kumarna plesen
Phytophthora capsici, Paprikina plesen
Phytophthora capsici, Paprikina plesen
Peronospora hyoscyami, Tobakova plesen
Peronospora hyoscyami, Tobakova plesen
Peronospora manshurica, Sojina plesen
Peronospora manshurica, Sojina plesen
Peronospora destructor, Čebulna plesen
Peronospora destructor, Čebulna plesen
Phytophthora erythroseptica, Rožnata gniloba krompirja
Phytophthora erythroseptica, Rožnata gniloba krompirja
Hyaloperonospora brassicae
Hyaloperonospora brassicae
Plasmopara viticola, Peronospora vinske trte
Plasmopara viticola, Peronospora vinske trte
Phytophthora infestans, Krompirjeva plesen
Phytophthora infestans, Krompirjeva plesen
Phytophthora infestans, Krompirjeva plesen
Phytophthora infestans, Krompirjeva plesen
Phytophthora infestans, Krompirjeva plesen
Phytophthora infestans, Krompirjeva plesen
Phytophthora infestans, Krompirjeva plesen
Phytophthora infestans, Krompirjeva plesen
Phytophthora infestans, Krompirjeva plesen
Phytophthora infestans, Krompirjeva plesen
Komentarji Samo za taxonomsko enoto: Peronosporaceae:
7575 en 04.01.2020   17:52:42   miran       
downy mildews = Peronosporaceae


Initial symptoms include large, angular or blocky, yellow areas visible on the upper surface. As lesions mature, they expand rapidly and turn brown. The under surface of infected leaves appears watersoaked. Upon closer inspection, a purple-brown mold becomes apparent. Small spores shaped like footballs can be observed among the mold with a 10x hand lens. In disease-favorable conditions (cool nights with long dew periods), downy mildew will spread rapidly, destroying leaf tissue without affecting stems or petioles.

Downy and Powdery mildew on grape leaf.JPG


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