Durrfleckenkrankheit an tomate alternaria solani okolandbau. Influence of environmental factors on field concentrations of alternaria solani conidia. Influence of environmental factors on field concentrations of alternaria solani conidia above a south african potato crop. Alternaria solani is a plant pathogen and the causative agent of early blight in solanum species. All structured data from the file and property namespaces is available under the creative commons cc0 license. Anr publication 8040 alternaria diseases 3 foliar diseases caused by ascomycetes and imperfect asexual fungi disease management suppression of alternaria diseases can be accomplished in several ways.
This page was last edited on 19 december 2019, at 18. Pdf alternaria blight of tomato lycopersicon esculentum. Conidia have 911 transverse septa cross walls and long beaks. Control of early blight of tomato caused by alternaria. Alternaria solani produce grayish, dark brown, grayish black to olive green colony colour in different isolate on different medium. Large brown spots of early blight, alternaria solani, on tomato, showing characteristic rings or targets. The pathogen produces distinctive bullseye patterned leaf spots and can also cause stem lesions and fruit rot on tomato and tuber blight on potato. Now customize the name of a clipboard to store your clips. Alternaria solani is one of the most damaging pathogens affecting tomatoes. Alternaria solani en solanum betaceum tomate arboles. Download carti4 filosofie stiinta vknde sociale romanian.
In vitro production of conidia of alternaria solani. The conidia are 1220 x 120296 um and are found singly or in chains of two. Download as pptx, pdf, txt or read online from scribd. Our previous screening of several iranian potato cultivars found that significant. Genetic diversity among alternaria solani isolates from potatoes in south africa. Early blight of potato, caused by alternaria solani, is a ubiquitous disease in many countries around the world.
Alternaria solani, causes major yield losses in most potato growing areas of. Control of early blight of tomato caused by alternaria solani and screening of tomato varieties against the pathogen. Files are available under licenses specified on their description page. Isolates on potato dextrose agar and other media produce yellowish to reddish diffusible pigments in the media. It produces numerous polyketides such as solanapyrone a 50 and alternaric acid 51, and is thus an ideal target species for speculative pks genefishing expeditions figure 4. Alternaria solani early blight of potato and tomato. Alternaria solani an overview sciencedirect topics. Cookies are small text files that contain a string of characters and uniquely identifies a browser. Pdf alternaria blight of tomato lycopersicon esculentum mill. Alternaria solani early blight of tomato bugwoodwiki. They are sent to a computer by website operators or third parties. Induction of tomato resistance to alternaria solani sor. Hospedantes papa, tomate y otras especies solanaceas.
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