1. CORESTA Meeting, Agronomy/Phytopathology, 2023, Cancun, AP 37

    Capturing data electronically: modern problems require modern solutions

    MACHACEK J.L.; VANN M.C.; CHEEK J.A.
    North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.
    Physical means of data collection and note taking can be laborious and costly. A modern approach to fieldnotes utilizes electronic data capturing technology. With a few simple tools and software, pre- and post-harvest measurements can be...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2023, Cancun, AP 39

    Diversity of Fusarium species infecting tobacco in Zimbabwe

    KARAVINA C.(1); MARUNDA M.(1); CHINHEYA C.(1); SAGONDA T.(1); JERE J.(2); ZVOBGO G.(3); MARWA T.(2); DIMBI S.(1)
    (1,3) Tobacco Research Board (TRB), Kutsaga Research Station, Harare, Zimbabwe; (2) Department of Biological Sciences, University of Zimbabwe, Harare, Zimbabwe
    Tobacco (Nicotiana tabacum) production is severely hampered by many diseases including those caused by the ascomycete fungus Fusarium. A study was carried out to investigate the diversity of the Fusarium species infecting tobacco in Zimbabwe. Tobacco...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2023, Cancun, AP 40

    Correlation of management practices and environmental conditions on incidence of angular leaf spot in dark fire-cured tobacco

    WEBB A.B.; BAILEY W.A.
    University of Kentucky, Research & Education Center, Princeton, KY, U.S.A.
    An observational study was conducted in 2020, 2021, and 2022 to evaluate possible correlations between grower management practices, environmental factors, and angular leaf spot (Pseudomonas syringae pv. tabaci tox-) incidence in dark tobacco fields...
  4. CORESTA Meeting, Agronomy/Phytopathology, 2023, Cancun, AP 41

    Transplant water application: investigations of in-furrow & sidedress systemic insecticide placement

    STAINBACK C.G.(1); VANN M.C.(1); HUSETH A.(2)
    (1) North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.; (2) North Carolina State University, Department of Entomology & Plant Pathology, Raleigh, NC, U.S.A.
    In the last decade, many commercial tobacco farmers in North Carolina have transitioned away from greenhouse tray drench applications of imidacloprid, opting instead to include the systemic insecticide in transplant water applications for...
  5. CORESTA Meeting, Agronomy/Phytopathology, 2023, Cancun, AP 42

    Flue-cured tobacco response to sub-lethal doses of HPPD-inhibiting herbicides

    VANN M.C.; CAHOON C.; CHEEK J.A.; MACHACEK J.L.
    North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.
    Herbicide-tolerant (HT) crops that are genetically engineered to withstand applications of multiple herbicidal modes of action are commonly produced in fields adjacent to flue-cured tobacco. The next generation of HT crops will express tolerance to a...
  6. CORESTA Meeting, Agronomy/Phytopathology, 2023, Cancun, AP 43

    Assessment of Romex 22.15 SC (Lambda-cyhalothrin 9.5 % and Thiamethoxam 12.6 %) efficacy for pest control in tobacco crop

    LISUMA J.B.; MBWAMBO A.F.
    Tobacco Research Institute of Tanzania (TORITA), Tumbi, Tabora, Tanzania
    Tobacco (Nicotiana tabacum L.) is a major cash crop in Sub-Saharan Africa that contributes to the growing countries' economies. However, insect pests affect the quality and production of tobacco leaf yield. Confidor 70WG (Imidacloprid) is a systemic...
  7. CORESTA Meeting, Agronomy/Phytopathology, 2023, Cancun, AP 44

    Field evaluation of fungicides for management of frogeye leaf spot caused by Cercospora nicotianae on Burley tobacco

    MARTINEZ-OCHOA N.; PEARCE R.C.
    University of Kentucky, Plant and Soils Department, Lexington, KY, U.S.A.
    Frogeye leaf spot (FELS) caused by Cercospora nicotianae has been increasing in severity in recent years in tobacco grown in Kentucky. Current management practices include the use of fungicides such as azoxystrobin since 2005, but within the last ten...
  8. CORESTA Meeting, Agronomy/Phytopathology, 2023, Cancun, AP 45

    Fungicide evaluations for foliar leaf spot disease management

    STAINBACK C.B.; VANN M.C.; SHORT M.M.; CHEEK J.A.; MACHACEK J.L.
    North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.
    Foliar leaf spot diseases such as Rhizoctonia solani and Cercospora nicotianae have increased in severity over the last decade in North Carolina. A recent survey of County Agents suggests that yield losses from R. solani may exceed six percent...
  9. CORESTA Meeting, Agronomy/Phytopathology, 2023, Cancun, AP 46

    Supply chain due diligence for compliance and sustainability of the tobacco industry in Malawi

    CHIWAYA P.G.; CHANGAYA A.G.; MSANGOSOKO K.R.; CHAMANGO A.M.Z.; MAIDENI F.
    Agricultural Research and Extension Trust (ARET), Lilongwe, Malawi
    The tobacco sector in Malawi, prior to 2012, had one system of producing and selling, where growers produced the crop on their own and sold it on auction. However, over the years there have been numerous concerns in the tobacco supply chain ranging...