Jul 11, PDF | On Sep 10, , José Ricardo Liberato and others published Asperisporium black spot of papaya (Asperisporium caricae). Jan 30, Citation: Liberato JR, McTaggart AR & Shivas RG () Asperisporium Black Spot of Papaya (Asperisporium caricae) Updated on 10/9/ Ellis, M.B.; Holliday, P. Asperisporium caricae. CMI Descriptions of Pathogenic Fungi and Bacteria. Remarks (public): For a complete description.
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Crop Protection Compendium http: This is to ensure that we give you the best experience possible. Black spot of papaya, Asperisporium caricaeon the underside of the leaf. A revised list of plant diseases in Rhodesia. Spots on the fruit are also brown to black and slightly sunken.
Revista Brasileira de Fruticultura, 30 3: Occurrence of Asperisporium leaf spot of papaya in India. The only studies on the disease are from Florida where it is now probably not serious, although once described as such; the pathogen appears not to have been grown in vitro The spores from the underside of the leaves are spread in wind and wind-driven rain. When several references are cited, they may give conflicting information on the status.
Asperisporium Black Spot of Papaya
More information about modern web browsers can be found at http: Click on the language titles to launch them. Contains Matches exactly Value is undefined. Besides reducing plant vigour, the fruit becomes inferior and blemished. Infection of young fruit also causes them to fall, and infections on mature fruit affect their market quality.
Black caricaf on the abaxial surface of the leaf are characteristic of this disease. Spraying with foliar protectant fungicides such as dithiocarbamates is effective Schroeder, Black spot disease on strawberries-Kenya.
Incidence in Florida is seasonal, most infection occurring in late winter and spring. Asperisporium black spot in Carica papaya: Similar spots are produced on diseased fruit causing shallow lesions that may reach 1 cm diameter but with no tissue decay underneath. Taxonomic Tree Top of page Domain: Export data Export to Excel Export to Word.
The lesions are superficial and do not enter the flesh of the fruit. Most browsers are initially set up to faricae cookies, since this is required by most website owners in order to access their sites.
Collections from the Nansei Islands 2. Culture of Asperisporium caricp, the papaya black spot organism. This fact sheet is a part of the app Pacific Pests and Pathogens. Usually, the disease is a minor problem, although heavily spotted leaves result in extensive leaf fall. In Florida, USA, the disease occurs seasonally in late winter and spring. The occurrence of black spot on papayas. Black spot on citrus-Ghana. Caricar Plant Pathology, 37 6: Although often reported from America virtually nothing is known of the biology of A.
CMI Distribution maps of plant diseases, edition 2, No. Run Zhang 1 and Dr. Pairwise identification Polyphasic identification.
For practical reasons we have decided not to translate all pages in asperiisporium languages anymore because it was too heavy to maintain but some of the labels of the basic and advanced query pages are still available. Addition and re-examination of Japanese species belonging to the genus Cercospora and allied genera. If aaperisporium leaves are severely infected they turn brown and die. No edible varieties show high resistance.
Lesions on leaves and fruit become velvety black Ellis and Holiday, ; Adikaram and Wijepala, ; Schroeder, Copper against bacterial black spot in mango.
Little control seems to be necessary but Bordeaux is effective and sanitary measures to reduce inoculum have been recommended.
These cookies allow us to see information on user website activities including, but not limited to page views, source and time spent on a website. Ellis MB; Holiday P, Later the lesions become necrotic and whitish.
Fact sheet – Papaya black spot ()
Close Find out more. Similar spots form on the fruit; they cause shallow lesions and no decay. This is a minor disease for which control measures are seldom warranted, apart from general sanitary measures such as asperosporium and destruction of disease crop debris. Sporodochia hypophyllous, punctiform, pulvinate, dark blackish-brown to csricae.
Further details may be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report. On the lower surface, the lesions are covered with masses of fungal spores which appear as dark dots.
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