CONTROL MEASURES FOR LEAF FALL DISEASE IN CLOVE (Syzygium aromaticum) IN SOUTHERN SRI LANKA

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dc.contributor.authorSENARATNE, G.
dc.date.accessioned2021-04-09T09:37:10Z
dc.date.available2021-04-09T09:37:10Z
dc.date.issued2012
dc.description.abstractLeaf fall disease in Cloves (Syzygium aromaticum L) is serious problem which cause severe defoliation and dieback of seedlings and young and mature clove plants. Earlier it was spread throughout the up country region and currently spread through the southern Sri Lanka. Field experiment was conducted at Keerapitiya, Urubokka in Matara district and laboratory experiments were carried out at Cinnamon Research Station, Thihagoda, Matara to confirm the causal organism of disease. Three different fungicides namely Tebuconazole 200 mg/ml, Thiophanate methyl 70% and Hexaconazole 50 g/1 were tested with using water as control and three different application methods namely foliar application, bark application and root application to manage disease using mature plants from farmer field. Tebuconazole 200 mg/ml with foliar application was showed as the most effective method for management of disease in severely infected plants. Both bark application and foliar application of Tebuconazole 200 mg/ml and Thiophanate methyl 70% were also effective methods to manage disease in slightly infected plants. Bark application method much beneficial to manage disease in slightly infected plants whereas root application method was not suitable method for three fungicides used either severely infected or slightly infected plants. Progression of the disease was also highly depending on some environmental, physical and biological factors. Cylindrocladium spp was identified as destructive pathogen of leaf fall disease in southern Sri Lanka. Tebuconazole 200 mg/ml and Thiophanate methyl 70% are recommended to manage the disease. Bark injection was more effective and economical for tall trees. Key Words: Cloves, leaf fall, fungicides, application methoden_US
dc.identifier.otherUWU/EAG/08/0028
dc.identifier.urihttp://www.erepo.lib.uwu.ac.lk/bitstream/handle/123456789/6444/UWULD%20EAG%2008%200028-10052019105926.pdf?sequence=1&isAllowed=y
dc.language.isoenen_US
dc.publisherUva Wellassa University of Sri Lankaen_US
dc.relation.ispartofseries;UWU/EAG/08/0028
dc.subjectExport Agriculture Degree Programme (EAG)en_US
dc.titleCONTROL MEASURES FOR LEAF FALL DISEASE IN CLOVE (Syzygium aromaticum) IN SOUTHERN SRI LANKAen_US
dc.title.alternativeResearch Article – EAG 2012en_US
dc.typeThesisen_US
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