Search Results

22 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 05

    Effect of storage environment on nitrogen oxides formation in cured tobacco leaves

    SHI Hongzhi(1); WANG Jun(1); ZHANG Mengyue(1); YANG Huijuan(1); ZHOU Jun(2); JIN Tong(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 elucidate the mechanisms of TSNA formation during storage by confirming the participation of nitrogen oxides (NOx) produced from tobacco leaves under high temperature. The contents of NOx in an airtight environment set up ...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, APPOST 07

    Effects of fertigation and micro-spraying on growth of flue-cured tobacco, soil properties and water use efficiency

    SHI Hongzhi(1); ZHANG Mengyue(1); XIE Zhan(1); YANG Huijuan(1); DUAN Weidong(2); DUN Songyang(3); LI Hongliang(3)
    (1) Henan Agricultural University / Tobacco Cultivation Key Laboratory of China Tobacco, Zhengzhou, P.R. China; (2) Henan Tobacco Industry Co. Ltd, Zhengzhou, P.R. China; (3) Xuchang Tobacco Company of Henan Province, Xuchang, P.R. China
    The use of water saving irrigation systems and technology is of great significance in tobacco production in central China due to the high frequency of drought in the early tobacco growth stages. In recent years, micro-spraying irrigation and fertigation ...
  3. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 42

    Selection of elite lines of flue-cured tobacco based on electron-beam irradiation

    YANG Huijuan(1); ZHAO Li(1); SHI Hongzhi(1); ZHAO Shimin(2); LI Zhaomin(2); YANG Qinmin(2)
    (1) Henan Agricultural University, Tobacco Cultivation Key Laboratory of China Tobacco, Zhengzhou, P.R. China; (2) Luoyang Tobacco Company, Luoyang, P.R. China
    In order to screen elite flue-cured tobacco germplasm, the mutagenesis method of electron-beam irradiation was employed to select an elite line among three flue-cured tobacco lines: Songyan A (A), Songyan B (B) and Songyan C (C). Dosage of 500 Gy was used ...
  4. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 45

    Interaction effect of storage temperature and leaf moisture content on TSNA formation of Burley tobacco during leaf storage

    SHI Hongzhi(1); WANG Jun(1); SUN Wenshu(1); ZHOU Jun(2); JIN Tong(1); YANG Huijuan(1); BAI Ruoshi(2); MA Yanjun(2)
    (1) Henan Agricultural University, Tobacco Cultivation Key Laboratory of China Tobacco, Zhengzhou, P.R. China; (2) Beijing Cigarette Factory of Shanghai Tobacco Group, Beijing, P.R. China
    The formation of tobacco-specific N-nitrosamines (TSNA) during leaf storage is substantial and is influenced by factors such as temperature, leaf moisture and nitrate content. The controlled experiments were conducted in this study to investigate the ...
  5. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, APPOST 07

    Effects of topping and spraying exogenous hormone on tobacco gene AN

    WANG Jing; YANG Huijuan; SHI Hongzhi; LIU Guoshun
    Henan Agricultural University, College of Tobacco Science, Key Laboratory for Cultivation of Tobacco Industry, Zhengzhou, P.R. China
    To solve the problem of the narrower and thicker upper-tobacco leaves in southwest tobacco planting areasin China, the influence of topping and spraying exogenous hormones (GA and NAA) on agronomic traits and mRNA expression levels of S type (NtAN-S) and ...
  6. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, AP 16

    Effect of moisture content, nitrate and nitrite on TSNA accumulation in Burley tobacco after high temperature storage

    SUN Wenshu(1); SHI Hongzhi(1); ZHOU Jun(2); YANG Huijuan(1); JI Huihua(3); WANG Jun(1); JACK A.M.(3); BAI Ruoshi(2); XU Dongya(1); JIAO Zheheng(1)
    (1) Henan Agricultural University, 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., Beijing, P.R. China; (3) University of Kentucky, Lexington, KY, U.S.A.
    Two experiments investigated the effects of various treatments on TSNAs (tobacco-specific nitrosamines) in Burley tobacco (sealed cut rag) after high temperature storage. In Experiment 1, tobacco with five moisture contents (6%, 12%, 17%, 23%, 31%) was ...
  7. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, APPOST 09

    Effect of changing curing methods on TSNA formation for flue-cured and Burley tobacco

    LI Yafei(1); SHI Hongzhi(1); SUN Junwei(2); YANG Huijuan(1); WANG Jing(1); HU Kun(1)
    (1) Henan Agricultural University, National Tobacco Cultivation & Physiology & Biochemistry Research Center, Tobacco Cultivation Key Laboratory of China Tobacco, Zhengzhou, P.R. China; (2) Dali Tobacco Company of Yunnan, Dali, P.R. China
    Curing is the most important stage of TSNA formation. Two curing methods, flue-curing and air-curing, are commonly used for flue-cured tobacco and Burley, respectively. Since different curing methods differ in curing environments, this might have ...
  8. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, APPOST 19

    Differential expression of pivotal genes involved in carbon and nitrogen metabolism pathways in climatic responses for different flue-cured tobacco cultivars

    YANG Huijuan; HUANG Huagang; SHEN Yan; YU Qiwei; SHI Hongzhi
    College of Tobacco Science, Henan Agricultural University, Key Laboratory of Tobacco Cultivation of China Tobacco Industry, Zhengzhou, P.R. China
    Henan and Guizhou are two major flue-cured tobacco growing areas in China, with distinct climatic conditions. Higher characteristic temperatures and longer sunlight periods in Henan and relatively low temperatures and shorter sunlight periods in Guizhou ...
  9. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, APPOST 24

    Cloning and characterisation of two members of the DanJ subfamily, NtDanJs, from Nicotiana tabacum

    WANG Jing; YANG Huijuan; SHI Hongzhi; LIU Guoshun
    Henan Agricultural University, College of Tobacco Science, Tobacco Cultivation Key Laboratory of China Tobacco, Zhengzhou, P.R. China
    DnaJ proteins, also called J-domain proteins, function as molecular co-chaperones of Hsp70 and play an important role in protein folding, unfolding, and assembly under both normal and stress conditions as well as in cellular secretory pathways. Therefore, ...
  10. CORESTA Congress, Quebec, 2014, Agronomy/Phytopathology Groups, AP 04

    Effect of nitrate levels in tobacco leaves on TSNA formation during storage

    SUN Wenshu(1); SHI Hongzhi(1); ZHOU Jun(2); MA Yanjun(2); YANG Huijuan(1); JI H.(3); BAI Ruoshi(2); JACK A.M.(3)
    (1) Henan Agricultural University, China National Tobacco Cultivation & Physiology & Biochemistry Research Center, Key Laboratory for Cultivation of Tobacco Industry, Zhengzhou, P.R. China; (2) Beijing Cigarette Factory of Shanghai Tobacco (Group) Co., Beijing, P.R. China; (3) University of Kentucky, Lexington, KY, U.S.A.
    Nitrogen oxides and alkaloids are the precursors of tobacco-specific nitrosamines (TSNAs). The objective of this study was to determine the effect of nitrate content on TSNA formation during tobacco storage. Two experiments were done: a field experiment ...