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117 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 04

    Contributions to the study of gall wasp occurrence in Eucalyptus woodlots in southern Brazil

    ROESCH F.(1); FEUERBORN M.(1); KOEHLER A.(2); RAUBER M.(2); FARIAS J.(3); WELTER C.A.(3); TEIXEIRA D.S.(3)
    (1) Japan Tobacco International (JTI), Santa Cruz do Sul, RS, Brazil; (2) Universidade de Santa Cruz do Sul (UNISC), Laboratory of Entomology, Santa Cruz do Sul, RS, Brazil; (3) Universidade Federal de Santa Maria (UFSM), Centro de Pesquisas Florestais, Campus Universitário, Santa Maria, RS, Brazil
    Firewood from Eucalyptus spp. is the main source of energy for tobacco curing in South Brazil. Leptocybe invasa Fisher & Lasalle, 2004 (Hymenoptera: Eulophidae) is a gall inducing wasp species that causes damage to eucalyptus plantations and nurseries ...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 49

    Potential alternative control for Ephestia spp. using parasitoid wasps

    KÖHLER A.(1); PEZZINI C.(1); ROESCH F.(2); FEUERBORN M.(2)
    (1) Universidade de Santa Cruz do Sul (UNISC), Laboratory of Entomology, Santa Cruz do Sul, RS, Brazil; (2) Japan Tobacco International (JTI), Santa Cruz do Sul, RS, Brazil
    Different practices are already used to control lepidopteran pests in stored tobacco, mostly including chemical or physical practices, preventive or disinfesting. Biological methods, used more frequently in tobacco field sites, are not used yet in stored ...
  3. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, STPOST 21 (also presented at TSRC 2016)

    Puff-by-puff tar, nicotine and carbonyl profiles under different smoking regimens of commercial cigarettes with various carbon filter technologies

    ROBERTSON R.M.; NORFLEET K.; CANTERBURY W.B.
    Celanese, Narrows, VA, U.S.A.
    Puff-by-puff smoke analysis has shown that the CelFX ® carbon filter technology has similar nicotine and tar smoke delivery profiles but with significantly reduced carbonyls, particularly in the first 6 puffs, compared to a cellulose acetate filter. Prior ...
  4. TSRC, Tob. Sci. Res. Conf., 2016, 70, abstr. 14 (also presented at CORESTA 2016)

    Puff-by-puff tar, nicotine and carbonyl profiles under different smoking regimens of commercial cigarettes with various carbon filter technologies

    ROBERTSON R.M.
    Celanese, Narrows, VA, USA
    Puff by puff smoke analysis has shown that the CelFX ® carbon filter technology has similar nicotine and tar smoke delivery profiles but with significantly reduced carbonyls, particularly in the first 6 puffs, compared to a cellulose acetate filter. Prior ...
  5. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, AP 36

    Effects of straw biochar on the growth of flue-cured tobacco and soil nutrients

    ZHANG Jixu(1,2); WANG Rui(3); LIU Dehu(4); ZHANG Jiguang(1); GAO Lin(1); DAI Yanchen(1); ZHA Ting(1); MENG Guixing(3); XIANG Bikun(3); SHEN Guoming(1)
    (1) Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Key Laboratory of Tobacco Biology and Processing, Ministry of Agriculture, Qingdao, Shandong, P.R. China; (2) Qingdao Agricultural University, Qingdao, Shandong, P.R. China; (3) Enshi Branch of Hubei Tobacco Company, Enshi, Shandong, P.R. China; (4) Qingzhou Cigarette Factory, China Tobacco Shandong Industrial Co., Ltd., Shandong, Qingzhou, P.R. China
    To investigate the effect of biochar application on tobacco, pot experiments were conducted to study the impacts of applying straw biochar at different levels on tobacco growth and soil nutrients. The results showed that the growth of above-ground organs ...
  6. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, STPOST 18

    Particle breakthrough comparison of commercial carbon filters with CelFX™ carbon/acetate filters

    ROBERTSON R.M.; SUTHAR J.N.; BASU S.
    Celanese, Narrows, VA, U.S.A.
    Previous works have evaluated cigarette filter carbon particle release from various filter designs. The recently introduced CelFX™ Matrix Technology offers high loadings of carbon, with low pressure drops and has not been studied for the particle release ...