Search Results

116 results

  1. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 12

    Identification of tobacco ANGUSTIFOLIA (AN) gene promoter activity

    WANG Jing; YANG Huijuan; SHI Hongzhi; LIU Guoshun
    College of Tobacco Science, Henan Agricultural University, Key Laboratory for Cultivation of Tobacco Industry, Zhengzhou, P.R. China
    Narrower and thicker upper leaves of tobacco (Nicotiana tabacum) are the primary cause of its lower usability in southwest China. The ANGUSTIFOLIA (AN) gene controls the polar elongation of leaf cells in leaf width direction and the trichome-branching ...
  2. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 15

    Chemical changes in ultra-low nicotine tobacco produced by grafting with Solanum melongena L.

    REN Mengjuan(1); SHI Hongzhi(1); YANG Huijuan(1); LI Jianhua(2); DUAN Weidong(3); LI Hongliang(2)
    (1) Henan Agricultural University/Tobacco Cultivation Key Laboratory of China Tobacco, Zhengzhou, P.R. China; (2) Xuchang Tobacco Company of Henan Province, P.R. China; (3) China Tobacco Henan Industrial Co. Ltd., Zhengzhou, P.R. China
    Ultra-low nicotine tobacco production has been given broad attention due to the possible regulation of nicotine content in cigarette tobacco. A pot experiment was carried out in Xiangcheng County, Henan Province, in 2017, to study the feasibility of ...
  3. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 27

    The research and application of systematic technologies for reducing tobacco specific nitrosamines in tobacco and cigarette smoke

    BAI Ruoshi(1); ZHOU Jun(1); YANG Chunlei(2); SHI Hongzhi(3); LIU Weijuan(4); XU Tongguang(1); MA Yanjun(1); LIU Xingyu(1); YANG Jinpeng(2); WANG Jun(3); ZHANG Jie(1); YANG Zhendong(1); ZHENG Xiaoman(1); ZHANG Chen(1)
    (1) Technical Center of Beijing Cigarette Factory, Shanghai Tobacco Group Co., Ltd, Beijing, P.R. China; (2) Hubei Tobacco Research Institute, Wuhan, P.R. China; (3) Henan Agriculture University, Zhengzhou, P.R. China; (4) Yunnan Reascend Tobacco Technology (Group) Co., Ltd, Kunming, P.R. China
    Reduction of tobacco specific nitrosamines (TSNAs) in tobacco and cigarette smoke is a research hotspot. The systematic technologies for reducing TSNAs in both agricultural and industrial areas were developed and applied. The TSNA levels for the upper and ...
  4. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 28

    Effect of vacuum packaging on the formation of TSNAs in tobacco leaves during storage

    WANG Jun(1); SHI Hongzhi(1); Li Jingjing(1); ZHOU Jun(2); YANG Huijuan(1); BAI Ruoshi(2); ZHANG Chen(2)
    (1) Henan Agricultural University / China National Tobacco Cultivation & Physiology & Biochemistry Research Center / Tobacco Cultivation Key Laboratory of China Tobacco, Zhengzhou, P.R. China; (2) Beijing Cigarette Factory of Shanghai Tobacco Group Co., Ltd., Beijing, P.R. China
    Experiments were carried out to further clarify the effect of NOx on the formation of TSNAs during tobacco storage. Vacuum treatment was used to change the packing method of tobacco leaves, after which the changes of TSNAs after high temperature treatment ...
  5. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 29

    Changes in content of TSNAs and other compounds of different tobacco types during 6-year long-term storage

    ZHANG Mengyue(1); SHI Hongzhi(1); ZHOU Jun(2); DUAN Weidong(3); YANG Huijuan(1); BAI Ruoshi(2)
    (1) Henan Agricultural University, National Tobacco Cultivation & Physiology & Biochemistry Research Center, Zhengzhou, P.R. China; (2) Beijing Cigarette Factory of Shanghai Tobacco Group Co., Ltd., Beijing, P.R. China; (3) China Tobacco Henan Industrial Ltd Co., Zhengzhou, P.R. China
    Samples of flue-cured, Burley and sun-cured tobaccos from different production areas were collected to investigate the changes in content of tobacco specific nitrosamines (TSNAs) by the SPE-LC-MS/MS method during 6-year long term storage under natural ...
  6. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 33

    Comparative research of gene expression profiles on exposure to high and low level nitrate signals

    ZHANG Yuning; YANG Huijuan; WANG Jing; SHI Hongzhi
    Henan Agricultural University, Zhengzhou, P.R. China
    Nitrogen is one of the important nutrients for plants. Nitrate is also one of the important signal molecules for plant growth. In order to elucidate how the tobacco root responds to outside nitrate-nitrogen signals, a transcriptome sequencing technique ...
  7. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 37

    Leaf surface chemicals improvement through molecular regulation of glandular trichome formation of tobacco

    WANG Zhaojun; ZHANG Hongying; CUI Hong
    College of Tobacco Science, Henan Agricultural University, Zhengzhou, P.R. China
    Tobacco (Nicotiana tabacum) plant is covered with dense trichomes distinguished in morphology structure and secretion ability. Long-stem glandular trichome is the most important type of tobacco trichome. It could specifically synthesize and secrete ...
  8. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 01

    Identification of transcriptional factors of nitrate reductase gene promoters and NRE2 cis-element in Nicotiana tabacum

    YANG Huijuan; ZHOU Yan; ZHANG Yuning; WANG Jing; SHI Hongzhi
    Henan Agricultural University, College of Tobacco Science, P.R. China
    This research aimed to identify the transcriptional factors of nitrate reductase gene (NIA1 and NIA2) promoters and hypothetical cis-element NRE2 from flue-cured tobacco. Yeast one-hybrid experiments of NR gene (NIA1 and NIA2) promoters and NRE2 cis ...
  9. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 02

    Development and application of tobacco SSR markers based on genome re-sequencing of different tobacco types

    YANG Huijuan; GENG Xinqi; WANG Jing; ZHANG Yuning; SHI Hongzhi
    Henan Agricultural University, College of Tobacco Science, P.R. China
    The development of molecular markers based on genome re-sequencing is a new method and trend. In this research three tobacco types, including two flue-cured tobacco cultivars (LY1306 line, Qinyan96), one sun-cured tobacco cultivar (Wanmao 3) as well as ...
  10. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 18

    Characteristics of bacterial community structure in tobacco-planting soils under different fertilization practices

    YAO Pengwei; QIN Yihe; YE Xiefeng
    College of Tobacco Science, Henan Agricultural University / National Tobacco Cultivation and Physiology and Biochemistry Research Centre / Tobacco Cultivation Key Laboratory of China Tobacco, Zhengzhou, P.R. China
    To evaluate the fertilization practices on soil fertility and the microbial ecosystem, a tobacco pot experiment with different fertilization treatments was conducted in a completely randomized design. The five treatments were: no fertilizer (CK); N ...