Search Results

31 results

  1. CORESTA Congress, Kyoto, 2004, SS 18

    Determination of six volatile organic compounds in the vapour phase of cigarette smoke by adsorption/thermal desorption and gas chromatography/mass spectrometry

    SUN Wenliang; PU Junqing; XIE Wenyan; YANG Liangju
    Shanghai Tobacco Machinery Co., Ltd., Shanghai, China
    An analytical procedure was developed for the determination of 1,3-butadiene, isoprene, acrylonitrile, benzene, toluene and styrene in the gas phase of cigarette mainstream smoke by adsorption/thermal desorption coupled with gas chromatography/mass...
  2. CORESTA Meeting, Agronomy/Phytopathology, Bucharest, 2003, P 04

    Isolation, purification and properties of a lectin from alternaria Alternata mycelia cell walls

    ZHANG Chengsheng; LI Duochuan; KONG Fanyu
    Shandong Agricultural University, College of Plant Protection, Taian, Shandong, - Tobacco Research Institute of CAAS Qingzhou, Shandong, China.
    Recognition is a central event in a variety of biological phenomena and the first step in numerous processes based on cell-cell interactions. As the most external part of the cell, cell wall mediates the initial physical and chemical interaction...
  3. Bull. Spec. CORESTA Congress, Lisbon, 2000, p. 67, AP17

    Biochemical changes in ß-cryptogein - elicited tobacco: a possible basis of induced resistance

    Bulgarian Academy of Science, Institute of Genetics, Sofia, Bulgaria.
    ß-cryptogein, a proteinaceous elicitor from the phytopathogenic fungus Phytophthora cryptogea , is known to induce leaf necrosis in tobacco and non-specific resistance (expressed in the perinecrotic leaf area) against a wide range of tobacco...
  4. CORESTA Meeting, Agronomy/Phytopathology, Suzhou, 1999, AP24

    Genotypic and pathogenic variation among black shank of tobacco isolates of Phytophthora parasitica var. nicotianae from main tobacco regions of Yunnan Province and some tobacco regions of Shandong in China

    ZHANG Xiu Guo; LUO Wen Fu; LI Yun; ZHANG Tian Yu
    Agricultural University of Shandong, Dept. of Plant Pathology, Taian, China
    Pathogenic and genotypic variability among seven populations of Phytophthora parasitica var. nicotianae from individual tobacco fields in Qujing, Kunming, Honghe, Chuxiong, Yuxi, Dali of Yunnan province and Shandong were investigated using...
  5. CORESTA Meeting, Agronomy/Phytopathology, Montreux, 1997, PT9

    Variability of Peronospora tabacina: an isoenzyme study

    (1) D. Kostov Inst. of Genetics, Bulgarian Academy of Sciences, Sofia, Bulgaria. (2) SEITA, lnstitut du Tabac, Bergerac, France
    The variability of P. tabacina A. populations was studied using the isoenzyme polymorphism of peroxidase, malate dehydrogenase and superoxidismutase. P. tabacina conidia from N. tabacum crops cultivated in distant areas of Europe...
  6. CORESTA Meeting, Agronomy/Phytopathology, Montreux,1997, PT13

    Morphological and cytological characteristics of somatic hybrids between N. tabacum and N. megalosiphon

    Bulgarian Academy of Science, Institute of Genetics, Sofia, Bulgaria.
    Somatic hybrid plants between N. tabacum (IVB ( bar )) and N. megalosiphon ( npt II) were recovered after polyethylene glycol (PEG) - mediated fusion and electrofusion. The hybrid calli were selected on plant regeneration medium on the basis of...