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Phytophthora infestans(PHYTIN)

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All photos included on this page can only be used for educational purposes.
For publication in journals, books or magazines, permission should be obtained from the original photographers with a copy to EPPO.

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Symptoms of potato late blight

Courtesy: Carlos Alberto Coutinho Conceição

Severe damage caused by potato late blight

Courtesy: Carlos Alberto Coutinho Conceição

Symptoms of Phytophthora infestans on tomato leaves

Courtesy: Andrea Minuto - Centro di Saggio e Laboratorio Fitopatologico, CERSAA, Albenga (IT)

Symptoms of Phytophthora infestans on tomato stem

Courtesy: Andrea Minuto - Centro di Saggio e Laboratorio Fitopatologico, CERSAA, Albenga (IT)

Symptoms of Phytophthora infestans on potato stems

Courtesy: Andrea Minuto - Centro di Saggio e Laboratorio Fitopatologico, CERSAA, Albenga (IT)

Symptoms of Phytophthora infestans on potato leaves

Courtesy: Andrea Minuto - Centro di Saggio e Laboratorio Fitopatologico, CERSAA, Albenga (IT)

Symptoms of Phytophthora infestans on tomato leaves

Courtesy: Andrea Minuto - Centro di Saggio e Laboratorio Fitopatologico, CERSAA, Albenga (IT)

Symptoms of Phytophthora infestans on tomato fruit

Courtesy: Andrea Minuto - Centro di Saggio e Laboratorio Fitopatologico, CERSAA, Albenga (IT)

Early symptoms of Phytophthora infestans on tomato leaves

Courtesy: Andrea Minuto - Centro di Saggio e Laboratorio Fitopatologico, CERSAA, Albenga (IT)

Symptoms of Phytophthora infestans on potato leaves

Courtesy: Andrea Minuto - Centro di Saggio e Laboratorio Fitopatologico, CERSAA, Albenga (IT)

Phytophthora infestans: on the left side a sensitive potato cultivar and on the right side a tolerant one

Courtesy: Andrea Minuto - Centro di Saggio e Laboratorio Fitopatologico, CERSAA, Albenga (IT)

Symptoms of potato late blight

Courtesy: Carlos Alberto Coutinho Conceição

Leaf symptoms (in Buazo, A Coruña, Spain, 2015-05-27)

Courtesy: Dorina Pitorac

Leaf symptoms (in Buazo, A Coruña, Spain, 2015-05-27)

Courtesy: Dorina Pitorac

Leaf symptoms (in Buazo, A Coruña, Spain, 2015-05-27)

Courtesy: Dorina Pitorac

Infected tomato fruit

Courtesy: Riccardo Bugiani (Plant Protection Service - Emilia-Romagna Region - IT)

Late blight lesions on tomato leaf

Courtesy: Riccardo Bugiani (Plant Protection Service - Emilia-Romagna Region - IT)

Symptoms on potato leaves

Courtesy: Maria A. Kuznetsova (All-Russian Research Institute of Phytopathology)

Experiment: plantings of potato hybrids without any chemical treatmens (control) and plantings of potato hybrids treated with fungicides (variants) to protect them from the disease,, during severe epidemics (Russia, Moscow region)

Courtesy: Maria A. Kuznetsova (All-Russian Research Institute of Phytopathology)

Experiment: plantings of potato hybrids without any chemical treatmens (control) and plantings of potato hybrids treated with fungicides (variants) to protect them from the disease, during severe epidemics (Russia, Moscow region)

Courtesy: Maria A. Kuznetsova, Maria Yerokhova (All-Russian Research Institute of Phytopathology)

Symptoms of late blight on stem

Courtesy: Maria A. Kuznetsova (All-Russian Research Institute of Phytopathology)

Symptoms of late blight on stem

Courtesy: Maria A. Kuznetsova (All-Russian Research Institute of Phytopathology)

Sporangia

Courtesy: Maria A. Kuznetsova (All-Russian Research Institute of Phytopathology)

Sporulation of Phytophthora infestans

Courtesy: Maria A. Kuznetsova (All-Russian Research Institute of Phytopathology)

Symptoms of late blight on stem

Courtesy: Maria A. Kuznetsova (All-Russian Research Institute of Phytopathology)

Late blight: infection of potato and Solanum nigrum

Courtesy: Maria A. Kuznetsova (All-Russian Research Institute of Phytopathology)

Symptoms of late blight on upper surfaces of leaflets

Courtesy: Maria A. Kuznetsova (All-Russian Research Institute of Phytopathology)

Zoosporangia of Phytophthora infestans

Courtesy: Maria A. Kuznetsova (All-Russian Research Institute of Phytopathology)

Leaf symptoms

Courtesy: Alessio Vitale, Caltagirone

Symptoms on potato tuber

Courtesy: Alessio Vitale, Caltagirone

Potato late blight

Courtesy: Raja J (IN)

Symptoms on potato foliage (potato late blight)

Courtesy: Maria Kuznetsova (All Russian Research Institute of Phytopathology)

Late blight: infection on potato and Solanum nigrum

Courtesy: Maria Kuznetsova (All Russian Research Institute of Phytopathology)

Resistant (right) and susceptible (left) potato cultivars in a field trial (Moscow region, Russia)

Courtesy: Maria Kuznetsova (All Russian Research Institute of Phytopathology)

Symptoms of potato late blight on potato

Courtesy: Carlos Alberto Coutinho Conceição

Sporangia of Phytophthora infestans

Courtesy: Maria Kuznetsova (All Russian Research Institute of Phytopathology)

Oospores of Phytophthora infestans

Courtesy: Maria Kuznetsova (All Russian Research Institute of Phytopathology)

Downy mildew of potato, Kato Nevrokopi, Drama, Greece

Courtesy: Konstantinos B. Simoglou, Rural Economy & Veterinary Directorate, Drama, Greece

Downy mildew of potato, Kato Nevrokopi, Drama, Greece

Courtesy: Konstantinos B. Simoglou, Rural Economy & Veterinary Directorate, Drama, Greece

Downy mildew of potato, Kato Nevrokopi, Drama, Greece

Courtesy: Konstantinos B. Simoglou, Rural Economy & Veterinary Directorate, Drama, Greece

Oospore formation (Phytophthora infestans)

Courtesy: Yulia Holiachuk, Lviv National Environmental University, Ukraine

Late blight of tomato

Courtesy: Thirunarayanan P - Banaras Hindu University (IN)

Oospore of Phytophthora infestans

Courtesy: Yulia Holiachuk, Lviv National Environmental University, Ukraine

Oospore formation (Phytophthora infestans)

Courtesy: Yulia Holiachuk, Lviv National Environmental University, Ukraine

Late blight of potato

Courtesy: Thirunarayanan P - Banaras Hindu University (IN)

Late blight of tomato

Courtesy: Thirunarayanan P - Banaras Hindu University (IN)

Late blight of potato

Courtesy: Thirunarayanan P - Banaras Hindu University (IN)

Potato stem lesion by Phytophthora infestans

Courtesy: Yulia Holiachuk, Lviv National Environmental University, Ukraine

Symptoms on upper surface of leaflets (close-up)

Courtesy: Maria A. Kuznetsova (All-Russian Research Institute of Phytopathology)

Sporulation of Phytophthora infestans on potato leaf

Courtesy: Yulia Holiachuk, Lviv National Environmental University, Ukraine