{"id":6052,"date":"2023-01-18T17:39:23","date_gmt":"2023-01-18T12:09:23","guid":{"rendered":"https:\/\/fapm.wyb.ac.lk\/?page_id=6052"},"modified":"2023-01-19T15:09:38","modified_gmt":"2023-01-19T09:39:38","slug":"applied-bio-systems-technology-vol-2-no-1-2022-content-no-3","status":"publish","type":"page","link":"https:\/\/fapm.wyb.ac.lk\/?page_id=6052","title":{"rendered":"Applied Bio-Systems Technology Vol. 2, No. 1, 2022- Content No. 3"},"content":{"rendered":"

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E-ISSN: 2806-5220<\/p>\n

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Evaluation of the Effect of Morphological Traits on<\/strong>
Blister Blight Resistance in Tea Plant (Camellia sinensis<\/em> L.)<\/strong><\/h1>\n

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Thissa Karunarathna, Mewan Kooragoda, Lahiru Udayanga,<\/em>
Jagathpriya Weerasena, Chandrika N. Perera and Nishantha Edirisinghe<\/em><\/p>\n

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Abstract<\/strong><\/h2>\n

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Background:<\/strong> Blister Blight (BB) is a serious leaf disease caused by the fungus Exobasidium vexans<\/em> Masse, damaging Sri Lankan tea plantations.<\/p>\n

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Methods:<\/strong> A morphological trait-based analysis was preformed based on 14 descriptors for Camellia sinensis to differentiate BB resistant and BB susceptible individuals in anF1 population generated by a cross between BB resistant and BB susceptible cultivars (TRI 2043xTRI 2023). The Spearman\u2019s correlation analysis, regression modelling, Receiver Operating Characteristic (ROC) and t-test were applied in the analysis of morphological characteristics of the F1 plants.<\/p>\n

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Results:<\/strong> Leaf pubescence (SCC= – 0.530), upper leaf surface (SCC= 0.473) and length of mature leaf petiole denoted significant associations with BB disease index (P<0.05). Threshold values of the developed model to screen vulnerability of tea plant to blister blight were 1.5 for both pubescence of tea leaves and upper leaf surface.<\/p>\n

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Conclusions:<\/strong> Proposed leaf morphology-based thresholds can be successfully applied for preliminary screening of BB susceptibility, prior to further confirmation with more advanced identification techniques.<\/p>\n

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Keywords:<\/strong> Disease Control, Fungal Infection, Marker Assisted Tea Breeding, Non-Alcoholic Beverages, Plant Inherent Resistance<\/p>\n

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E-ISSN: 2806-5220Evaluation of the Effect of Morphological Traits on Blister Blight Resistance in Tea Plant (Camellia sinensis L.)Thissa Karunarathna, Mewan Kooragoda, Lahiru Udayanga,Jagathpriya Weerasena, Chandrika N. Perera and Nishantha EdirisingheAbstractBackground: Blister Blight (BB) is a serious leaf disease caused by the fungus Exobasidium vexans Masse, damaging Sri Lankan tea plantations.Methods: A morphological trait-based analysis was […]<\/p>\n","protected":false},"author":6,"featured_media":0,"parent":6027,"menu_order":24,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","_links_to":"","_links_to_target":""},"_links":{"self":[{"href":"https:\/\/fapm.wyb.ac.lk\/index.php?rest_route=\/wp\/v2\/pages\/6052"}],"collection":[{"href":"https:\/\/fapm.wyb.ac.lk\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/fapm.wyb.ac.lk\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/fapm.wyb.ac.lk\/index.php?rest_route=\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/fapm.wyb.ac.lk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6052"}],"version-history":[{"count":6,"href":"https:\/\/fapm.wyb.ac.lk\/index.php?rest_route=\/wp\/v2\/pages\/6052\/revisions"}],"predecessor-version":[{"id":6082,"href":"https:\/\/fapm.wyb.ac.lk\/index.php?rest_route=\/wp\/v2\/pages\/6052\/revisions\/6082"}],"up":[{"embeddable":true,"href":"https:\/\/fapm.wyb.ac.lk\/index.php?rest_route=\/wp\/v2\/pages\/6027"}],"wp:attachment":[{"href":"https:\/\/fapm.wyb.ac.lk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6052"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}