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Welt :  English :  Science : Agriculture : Field Crops : Root Crops : Potato : Pests and Diseases  

• Aphid Monitoring - Aphids can transmit Potato Virus Y which is a serious threat to potato crops. The British Potato Council offers a service monitoring this pest to help in decision making on insecticide use.
• Bacterial Ring Rot of Potatoes - Photographs of this important disease of tubers, the symptoms, causal organism and management.
• Biology and Management of Potato Insects - Illustrated account of the various pests that attack this crop below the ground, chew foliage and stems or suck the sap, with possible control measures for each. [PDF]
• Blackleg, Aerial Stem Rot, and Tuber Soft Rot of Potato - Photographs of these diseases affecting potatoes, the symptoms, causal organisms and management.
• Blightwatch.co.uk - Blightwatch is a collaborative service supported by the British Potato Council and aims to give growers a management tool for assisting in the control of blight.
• Colorado Potato Beetle - Provides a history of this pest in the US, its life cycle, alternative hosts, monitoring technique and management. [PDF]
• Colorado Potato Beetle: Effective Chemical Control - Provides details of the degree of resistance built up by this beetle to different pesticides, with special reference to Alberta.
• Diseases of Potato - Information on various diseases which may affect this crop, the life cycle of the causal agents, the symptoms and plant health management.
• Diseases of Potatoes - An identification guide to the bacterial, fungal, nematode, viral and other diseases that may infect this crop, with many photographs, brief descriptions of the symptoms and suggested management strategies.
• European Corn Borer - This pest prefers other crops but can also attack potatoes. Provides information on its life cycle, the damage caused, monitoring and management. [PDF]
• Fusarium Dry Rot and Seed-Piece Decay of Potato - Photographs of these diseases which cause serious losses in stored tubers, the symptoms, causal organisms and management.
• Green Peach Aphid and Potato Aphid - Provides a description of these insects and their life cycle, techniques for monitoring and control measures. [PDF]
• Late Blight of Potato - Photographs of plants and tubers affected by Phytophthora infestans, the life cycle of the fungus, the symptoms and plant health management.
• Nematode Management in Potatoes - Information on general IPM considerations, symptoms, damage, field diagnosis and sampling, general management considerations, crop rotation, varietal resistance and control.
• Organic Alternatives for Late Blight Control in Potatoes - New strains of late blight make potato production especially challenging. Several nonchemical options are available for managing this disease, including cultural practices, some varietal resistance, and alternative fungicidal sprays.
• Potato Cyst Nematode - Information on the two species, Globodera rostochiensis (golden cysts) and Globodera pallida (white cysts), their biology and advice on control measures.
• Potato Damage - Image of tuber infected with Thecaphora smut.
• Potato Disease Factsheets - Description of disease and management for Botrytis blight, common potato scab, late blight, powdery mildew, and oedema from Cornell State University Extension, U.S.
• Potato Disease Problems - Information on wart disease, late blight, leaf roll virus and net necrosis, silver scurf, and storage management from University of Idaho, U.S.
• Potato Flea Beetles - Information on this insect from Maine Potato Integrated Pest Management.
• Potato Late Blight - Photograph and description of the symptoms of this disease caused by the fungus Phytophtora infestans, its biology and advice on control measures.
• Potato Late Blight - Disease management, photos of symptoms, information on other tuber and foliar diseases, and relevant links. North Dakota State University, U.S.
• Potato Pink Rot, Pythium Leak and Seed-Piece Decay - Photographs of these diseases affecting tubers, the symptoms, causal organisms and management.
• Potato Yellow Dwarf Virus, Nucleorhabdovirus - Photograph of an affected plant and a description of the symptoms.
• PotatoBeetle.org - Information on biology and management of the Colorado potato beetle, Leptinotarsa decemlineata. Includes general information, review of various management techniques, searchable database of scientific literature and links to other resources.
• Rhizoctonia Stem and Stolon Canker of Potato - Photographs of these diseases affecting potatoes, the symptoms, causal organisms and management.
• Scab of Potato Tubers - Photographs of potato tubers infected with this disease, the symptoms and causal organisms.
• UC IPM Online: Potatoes - Provides a year-round IPM program for potatoes with information on monitoring and managing the pests and diseases found.
• Virus Problems of Potatoes - Photographs of symptoms and information on virus Y, leafroll virus, virus S, virus X, mop top virus, spraing, tobacco rattle virus, potato spindle tuber viroid and alfalfa mosaic virus.