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dc.contributor.authorLegg, J.P.
dc.contributor.authorRaya, M.
dc.date.accessioned2019-12-04T11:23:37Z
dc.date.available2019-12-04T11:23:37Z
dc.date.issued1998
dc.identifier.citationLegg, J. & Raya, M. (1998). Survey of cassava virus diseases in Tanzania. International Journal of Pest Management, 44(1), 17-23.
dc.identifier.issn0967-0874
dc.identifier.urihttps://hdl.handle.net/20.500.12478/4065
dc.description.abstractA survey was carried out of African cassava mosaic geminivirus and cassava brown streak virus diseases (ACMD and CBSD) in Tanzania. ACMD occurred throughout the country at low to moderate incidences in the fifteen different regions surveyed (1- 64%). The incidence was generally higher along the coastalplain than in higher altitude areas in the interior. There was a significant correlation between numbers ofadults ofthe whitefly vector, Bemisia tabaci, and incidence of recently infected plants ( R = 0.77, p < 0.01), although most infection was attributable to the use of infected cuttings. CBSD was more restricted in distribution and, where present, incidence was low to moderate (1- 36%). Cassava plantings along the southern border with Mozambique link the highest incidence area on the south-east coast near Mtwara, with the other important area ofCBSD incidence along the shore ofLake Malawi. The effects of climatic parameters on ACMD and CBSD incidence are discussed. The survey data suggest that both diseases could be controlled in Tanzania by the use of phytosanitation which involves the use of disease-free planting material and the removal (roguing) of diseased plants.
dc.language.isoen
dc.subjectCassava
dc.subjectAfrican Cassava Mosaic Virus
dc.subjectGeminivirus Disease
dc.subjectCassava Brown Streak
dc.subjectVirus Diseases
dc.subjectWhitefly Vector
dc.subjectBemisia Tabaci
dc.titleSurvey of cassava virus diseases in Tanzania
dc.typeJournal Article
dc.description.versionPeer Review
cg.contributor.crpRoots, Tubers and Bananas
cg.contributor.crpClimate Change, Agriculture and Food Security
cg.contributor.crpGenebanks
cg.contributor.affiliationInternational Institute of Tropical Agriculture
cg.contributor.affiliationUniversity of Greenwich
cg.contributor.affiliationUkiriguru Agricultural Research institute
cg.coverage.regionAfrica
cg.coverage.regionEast Africa
cg.coverage.countryTanzania
cg.isijournalISI Journal
cg.authorship.typesCGIAR and developing country institute
cg.iitasubjectCassava
cg.iitasubjectPlant Diseases
cg.iitasubjectGenetic Improvement
cg.iitasubjectPests Of Plants
cg.accessibilitystatusLimited Access
local.dspaceid99351
cg.identifier.doihttps://doi.org/10.1080/096708798228473


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