Agworld and greenbook do not provide any guarantee or assurance that the information obtained through this service is accurate, current or correct, and are therefore not liable for any loss resulting, directly or indirectly, from reliance upon this service. All structured data from the file and property namespaces is available under the creative commons cc0 license. Papaya, carica papaya, is an herbaceous perennial in the family caricaceae grown for its edible fruit. Pdf first record of asperisporium caricae causing black spot of. Characterization of disease resistance of carica papaya. The leaves are palmately lobed, spirally arranged and clustered at the growing tip of the trunk. It affects generally leaves and fruits at any time. Closeup of underside of a papaya leaf showing black spot, asperisporium caricae. Asperisporium caricae is an ascomycete fungus that is a plant pathogen, found in north and. Black spot of papaya disease, upper surface of papaya leaf state of hawaii new pest advisory no. Despite the success of the transgenic cultivars for virus control, several fungi continue to cause major disease problems and dramatically increase the cost of production, and reduce yield.
Increased disease resistance in papaya by transforming a. Asperisporium caricae incertae sedis hear species info. About cab direct cab direct is the most thorough and extensive source of reference in the applied life sciences, incorporating the leading bibliographic databases. View the product label for termidor hp ii from basf professional and specialty solutions. The fruits are affected on the surface, reducing the freshmarket value, but there is no reduction in quality. The papaya plant is treelike,usually unbranched and has hollow stems and petioles. The application of phytases for animal feed in developing countries is limited due to the high cost of these enzymes, determined by the importation fees and the expensive substrates used for their. The status of asperisporium as a potential generic synonym of passalora remains unclear. Culture of asperisporium caricp, the papaya black spot organism. Maubl and stem black rots lasiodiplodia theobromae syn. It was identified as asperisporium caricae, black spot disease. Hawaii agriculture research center, 99193 aiea heights drive, aiea, hawaii 96701. Papaw production in australia is limited by five major diseases. First record of asperisporium caricae causing black spot.
Both leaves hind agricultural research and training institute and fruits of papaya can be affected by the black spot caused by asperisporium caricae fig. Conidiophores closely packed together and covering the surface of the stroma, usually unbranched, hyaline to olivaceous brown, with several prominent conidial scars at. Five species collected in the nansei islands are discussed. Asperisporium caricae information from itis the integrated taxonomic information system itis provides authoritative taxonomic information on asperisporium caricae, as well as other plants, animals, fungi, and microbes of north america and the world. There should be numerous small black angular spots.
Among the four provinces surveyed, the disease was found on papaya variety red lady in batangas and cavite, but not in laguna and quezon. It is responsible for the black spot disease on papaya trees. Asperisporium caricae is an ascomycete fungus that is a plant pathogen, found in north and south america. Pdf asperisporium black spot of papaya asperisporium caricae. Of these, one species found on gardenia jasminoides is described as a new species, cercosporidium okinawaense kobayashi et nishijima. Field and laboratory evaluations of fungicides for the. General information about asperisporium caricae asprca. Black spot of papaya disease, lower surface of papaya leaf. Effect of biocontrol agent bacillus amyloliquefaciens and. Addition and reexamination of japanese species belonging. Asperisporium caricae on carica papaya, pseudocercospora melastomobia on melastoma candidum, and p. First record of asperisporium caricae causing black spot of papaya in the philippines. Installed in a greenhouse, the experiment was conducted in randomized blocks rb with factorial arrangement 5x6, three replicates, and spraying of.
Post a question or comment about how to identify pollen or find photographs of pollen and its source plant. Pdf black spot of papaya caused by asperisporium caricae is reported for the first time in the philippines. Hyphomycetes hongos anamorficos asperisporium caricae junio 2015 por. Sporodochia hypophyllous, dark blackish brown to black. Widely prevalent plant pathogen status this map is based on data from the widely prevalent fungi project, a collabaration between usda aphis ppq and the american phytopathological society. Alternative control to black spot disease in papaya genotypes. In order to detect volatile compounds in the antibiosis test, a. Sporodochia of asperisporium caricae was growing under side of leaf, dark blackish brown to black, stroma welldeveloped, erumpent. Field and laboratory evaluations of fungicides for the control of brown spot corynespora cassiicola and black spot asperisporium caricae of papaya in far north queensland, australia. Botryodiplodia theobromae patouillard, were observed to increase after ripening. Prsvp is the greatest problem for papaya production worldwide and potentially poses the greatest.
Survey and prevalence of asperisporium caricae, incitant. Cab direct platform is the most thorough and extensive source of reference in the applied life sciences, incorporating the leading bibliographic databases cab abstracts and global health. Files are available under licenses specified on their description page. Chambers kr, fukenberg fhj 1987 culture of asperisporium caricae, the papaya black spot organism. In ethiopia, asperisporium caricae has been observed in most papaya producing areas. Black spot of papaya, asperisporium caricae, on the underside of the leaf. The content of each chapter is carefully chosen to be useful to the primary care physician in identifying both common and rarer disease entities. Cashback will be credited as amazon pay balance within 10 days. Black spot of papaya caused by asperisporium caricae is reported for the first time in the philippines. Spotting on papaya fruit in samoa, first thought to be caused by corynespora. First record of asperisporium caricae causing black spot of papaya. Papaya pawpaw diseases and pests, description, uses. Increased disease resistance in papaya by transforming a pathogeninducible stilbene synthase gene yun j. Descriptions of pathogenic fungi and bacteria n0 347.
Author index subject index compound index contents index annuel author index subject index subject index author index, subject index subject index author index, subject index subject index subject index subject index,author index. Status of black spot of papaya asperisporium caricae. International journal of current microbiology and applied sciences issn. Download fulltext pdf download fulltext pdf download fulltext pdf. Jul 11, pdf on sep 10, jose ricardo liberato and others published asperisporium black spot of papaya asperisporium caricae.
Phylogeographic distribution of asperisporium caricae isolates in. Asperisporium caricae asprcaoverview eppo global database. Characterization of disease resistance of carica papaya to phytophthora y. Survey and prevalence of asperisporium caricae, incitant of black leaf spot of papaya and evaluation of certain new fungicidal international journal of research studies in agricultural sciences ijrsas page 12 fig3. International journal of current microbiology and applied. The spots are first seen on the leaves, then the petioles and fruits. The purpose of this project is to identify fungicides that are more effective in controlling selected fungal diseases than currently registered fungicides. Asperisporium caricae asprca asperisporium pongamiae asprpo. Asperisporium caricae is responsible for an important leaf and fruit spot disease of carica papaya papaw or papaya stevens. The fruits are affected on the surface, reducing the freshmarket value. Cmi distribution maps of plant diseases, edition 2, no.
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