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289 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 32

    Evaluation of various NPK fertilizer formulations applied as side dressing to tobacco in Santa Cruz do Sul region, RS, Brazil

    MOORE J.M.(1); BAFALLUY R.(2); REAL R.(2); CHAVES L.C.S.V.(3)
    (1) University of Georgia, Tifton, GA, U.S.A.; (2) SQM, Alphaville, Barueri, Santana de Parnaíba, SP, Brazil; (3) SANTAGRO, Santa Cruz Agrícola Comercial Ltda, Santa Cruz do Sul, RS, Brazil
    The objective of this research was to evaluate the qualitative and quantitative yield of tobacco (Nicotiana tabacum L.) comparing various formulations of nitrogen-potassium fertilizers applied as sidedress treatments. Six trials were conducted in...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 33

    The effect of chloride application rate to the yield, quality, and chemical constituents of flue-cured tobacco

    PACE C.R.(1); VANN M.C.(1); FISHER L.R.(1); SEAGROVES R.(1); HARDY D.H.(2)
    (1) North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.; (2) North Carolina Department of Agriculture & Consumer Services, Agronomic Division, Raleigh, NC, U.S.A.
    Chloride (Cl-) application rates that exceed 33.6 kg/ha are generally discouraged in the production of flue-cured tobacco due to the negative effects the micronutrient can impart to yield, quality, and smoke flavor/aroma. Despite the negative effects...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 36

    Study on the anti-TMV activity of the alkaloids from Nicotiana glutinosa

    ZHOU Wenbing; JI Sigui; LI Jiangzhou; CUI Yonghe; ZHANG Limeng
    Yunnan Tobacco Company, Yuxi Branch, Yuxi City, P.R. China
    Tobacco mosaic virus (TMV) is one of the main diseases of tobacco. This study aims to investigate the anti-TMV activity of chemical compounds from tobacco by using the bioassay-guided method and provide the basis for anti-viral biological pesticides...
  4. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 37

    Loss-of-function of a tobacco eukaryotic translation initiation factor confers resistance to tobacco bushy top virus

    SHINJO A.; TAKAKURA Y.; UDAGAWA H.; KOGA K.
    Japan Tobacco Inc., Leaf Tobacco Research Center, Oyama, Tochigi, Japan
    Tobacco bushy top disease causes severe damage to tobacco (Nicotiana tabacum) in Sub-Saharan African countries such as Malawi, Zambia and Tanzania. Reportedly this disease is caused by a complex of tobacco bushy top virus (TBTV, the genus Umbravirus)...
  5. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 38

    Agronomic performance of doubled haploid lines and their use as parental lines of hybrids

    OLIVEIRA E.D.(1); MILLER R.D.(2)
    (1) Alliance One Brasil Exp. de Tabacos Ltda, Vera Cruz, RS, Brazil; (2) University of Kentucky, Kentucky Tobacco Research and Development Center, Lexington, KY, U.S.A.
    Production of doubled haploid lines (DH) is often used to significantly reduce the amount of time required to achieve homozygosity in tobacco breeding populations. The most prominent reported disadvantage with regard to using DH techniques in tobacco...
  6. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 39

    Identification of genetic determinants controlling cadmium accumulation in tobacco

    BERTRAND J.(1); JULIO E.(2); COTUCHEAU J.(2); DORLHAC DE BORNE F.(2); BERTHOMIEU P.(1)
    (1) UMR de Biochimie et Physiologie Moléculaire des Plantes, INRA/CNRS/Montpellier SupAgro/Université Montpellier, Montpellier, France; (2) Imperial Tobacco Limited, Leaf Research, La Tour, Bergerac, France
    Cadmium is a toxic heavy metal naturally absorbed and accumulated by plants. It is present in tobacco (Nicotiana tabacum) leaves and potentially in the smoke of cigarettes. Reducing the cadmium content in leaves of tobacco plants requires a better...
  7. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 41

    Greenhouse method to screen for resistance to Granville wilt in tobacco

    MARTINEZ-OCHOA N.; MILLER R.D.
    University of Kentucky, Department of Plant and Soils, Lexington, KY, U.S.A.
    Granville wilt is a soilborne disease caused by Ralstonia solanacearum race 1 biovar 1. This bacterial pathogen is very persistent in the soil and is effectively managed with the use of resistant cultivars. Our objective was to incorporate a reliable...