Search Results

54 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 38

    Metabolic profiling of mutant tobaccos with distinctive aroma based on gas chromatography-mass spectrometry and multivariate analysis

    CAO Jianmin; XU Xiaoling; LIU Guanshan; CAO Pengyun; LIN Yingnan
    Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, P.R. China; Graduate School of CAAS, Beijing 100081, P.R. China
    A large number of mutant materials were obtained by chemical mutagenesis of tobacco with ethyl methylsulfonate (EMS) and new materials with distinctive aroma characteristics were achieved by field screening, identification and sensory evaluation. To...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, APPOST 08

    Characterisation and genetic mapping of a novel premature leaf senescence mutant yellow leaf 1 in common tobacco (Nicotiana tabacum L.)

    GAO Xiaoming; WU Xinru; SUN Yuhe; LIU Guanshan; ZHANG Zengling; CHAO Jiangtao; LI Zhiyuan; GUO Yongfeng
    Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, P.R. China
    Ripe (yellowing) leaves are harvested and cured in tobacco farming. Leaf senescence therefore has a great impact on yield and quality of tobacco. However, little is known about the molecular mechanism of tobacco leaf senescence regulation. The...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, APPOST 16

    Effects of biochar and seaweed fertiliser on tobacco growth, soil properties and bacterial wilt occurrence

    ZHANG Guangyu(1); YOU Xiangwei(1); LIU Yuande(2); CHU Depeng(1); NIU Jijun(2); GAO Qiang(2); CHEN Qianru(1); LI Yiqiang(1); WEI Jianyu(3)
    (1) Tobacco Research Institute of CAAS, Qingdao, P.R. China; (2) Shandong Linyi Tobacco Company Ltd., Linyi, Shandong, P.R. China; (3) China Tobacco Guangxi Industrial Co., Ltd., Nanning, P.R. China
    Bacterial wilt of tobacco incited by Ralstonia solanacearum is prevalent worldwide and causes severe economic losses every year. Up until now there is no promising control method available against the disease. This study aimed to elucidate the effect...
  4. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 32

    Genome-wide identification and functional characterization of senescence-associated genes of the NAC transcription factor family in tobacco

    LI Wei; LI Xiaoxu; CHAO Jiangtao; ZHANG Zenglin; WANG Weifeng; GUO Yongfeng
    Tobacco Research Institute, Chinese Academy of Agricultural Sciences (CAAS), Qingdao, Shandong, P.R. China
    The NAC family is one of the largest families of plant-specific transcription factors. NAC proteins play important regulatory roles in a variety of developmental and stress response processes in plants. Members of the NAC family transcription factors...
  5. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 39

    Effects of tobacco curing with flower buds in the same bulk-barn on the quality of flue-cured tobacco leaves

    SUN Fushan; ZHOU Ping; WANG Songfeng; ZI Yinyin; ZHENG Furui; GAO Xianhui; ZHANG Ye; LIU Yajun
    Tobacco Research Institute, Chinese Academy of Agricultural Sciences (CAAS), Qingdao, Shandong, P.R. China
    In order to explore new technologies of tobacco curing and flavouring, tobacco leaves were flue-cured with different amounts of fresh tobacco flower buds placed in the curing barn and the results were compared with those of conventional tobacco...
  6. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 12

    Degradable residues characterization and possible MRL setting for albendazole, flusilazole and imazalil in tobacco

    JIANG Huatao; YOU Xiangwei; SUI Chengcheng; ZHANG Guangyu; WANG Xiuguo; LI Yiqiang
    Tobacco Research Institute, Chinese Academy of Agricultural Sciences (CAAS), Qingdao, Shandong, P.R. China
    A modified QuEChERS method combined liquid chromatography-tandem triple quadrupole mass spectrometry (HPLC-MS/MS) was developed for three novel pesticides, albendazole, flusilazole and imazalil, which are used for the control of tobacco leaf spot...
  7. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 44

    Investigation of pyrolysis behaviour of lutein in air by thermo gravimetry-single drop micro extraction-gas chromatography-mass spectrometry

    YANG Ji; YANG Liu; WU Yiqin; MIAO Mingming; ZHE Wei; CHEN Yongkuan
    China Tobacco Yunnan Industrial Co., Ltd of CNTC, R&D Center, Kunming, P.R. China
    To investigate the pyrolysis behaviour of lutein in air, an automatic single drop micro extraction (SDME) device for trapping the released fractions was designed and coupled with thermo gravimetry-gas chromatography-mass spectrometry. According to...
  8. CORESTA Meeting, Agronomy/Phytopathology, 2013, Brufa di Torgiano, AP 21

    Differential pathogenicity and genetic polymorphism analysis of tobacco powdery mildew (Erysiphe cichoracearum) in China

    MENG Kun; SHI Jiao; SUN Liping; LUO Zhenning; ZHAN Huixu; ZHANG Junquan
    Tobacco Research Institute of CAAS, Laoshan, Qingdao, Shandong, P.R. China
    This study was carried out in order to identify the physiological races of Erysiphe cichoracearum DC, and the genetic diversity of the E. cichoracearum DC in China. Firstly, 12 selected varieties of tobacco were inoculated with a single isolate of E....
  9. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, ST 05

    GC-MS analysis of e-liquids taken from e-cigarettes and e-liquids (e-juice) before use in e-cigarettes

    LAUTERBACH J.H.(1); GRIMM D.A.(2)
    (1) Lauterbach & Associates, LLC, Macon, GA, U.S.A.; (2) Coordinated Instrumentation Facility, Tulane University, New Orleans, LA, U.S.A.
    Concerns have been expressed about the purity and safety of the liquids (e-liquids) used in electronic cigarettes [Goniewicz et al., Tobacco Control 2013 March 6 (Epub ahead of print)]. Moreover, Bahl et al. [Reproductive Toxicology 34 (2012)...
  10. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, ST 32

    Routine and detailed analyses of materials other than tobacco fillers used to fabricate filtered cigars

    LAUTERBACH J.H.(1); GRIMM D.A.(2)
    (1) Lauterbach & Associates, LLC, Macon, GA, U.S.A.; (2) Coordinated Instrumentation Facility, Tulane University, New Orleans, LA, U.S.A.
    Filtered cigars and similar cigar-like products continue to be a growing market. They are also attracting increased regulatory scrutiny. However, there continues to be a dearth of information in the scientific literature about the composition of the...