1. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, AP 11

    Analysis of the surface chemistry of high- and low-alkaloid Burley varieties/lines grown using standard agronomic practices and under low-nicotine field management

    MIHAYLOVA-KROUMOVA A.(1); FISHER A.M.(1); FISHER C.R.(2); WAGNER J.G.(1)
    (1) University of Kentucky, Kentucky Tobacco Research and Development Center, Lexington, KY, U.S.A.; (2) University of Kentucky, Plant Science Building, Lexington, KY, U.S.A.
    Proposed FDA regulations may require significant reduction of the nicotine content of tobacco products. Lowering the nicotine content may impact tobacco leaf surface chemistry that affects flavour. The objective was to compare the leaf surface...
  2. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 36

    Use of reverse genetic approach to study the role of tobacco trichome-produced cembratrien-diols in pest/insect interaction

    MIHAYLOVA-KROUMOVA A.(1); PEARS R.(2); FISHER C.R.(2); KORENKOV V.D.(1); ARTIOUCHINE I.S.(1); PFEUFER E.(3); WAGNER J.G.(1)
    University of Kentucky, Lexington, KY, U.S.A.
    Diterpenes cembratiene-diols (CBT-diols), sucrose esters, labdanoids and hydrocarbons are prominent tobacco trichome exudate constituents. They are considered to be the first line of defense barriers against pests/insects through chemical toxicity,...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 50

    Trichome extracts from Nicotiana hybrids - a resource for testing disease/insect resistance

    MIHAYLOVA-KROUMOVA A.B.; WAGNER J.G.
    University of Kentucky, KTRDC, Lexington, KY, U.S.A.
    Glandular trichomes on the surface of species of the Solanaceae family produce sugar esters (SEs) that are species and cultivar-specific. SEs have insecticidal, antibiotic, and hormone-like properties, i.e. SE with medium-chain acyl groups (C7-C12)...