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  1. CORESTA Congress, Online, 2022, Agronomy/Phytopathology Groups, AP 52

    Influence of harvesting methods on nitrate content and TSNA formation in lamina and midrib of cigar and flue-cured tobaccos

    ZHAO Yuanyuan(1); SHI Hongzhi(1); RONG Shibin(1); QIN Yanqing(2); ZHOU Jun(3); ZHANG Jingyun(1); LIU Deshui(3); WANG Jun(4)
    (1) College of Tobacco Science of Henan Agricultural University / Tobacco Harm Reduction Research Center of HAU, Zhengzhou, China; (2) Sichuan Provincial Tobacco Company, Chengdu, China; (3) Beijing Cigarette Factory of Shanghai Tobacco (Group) Co., Beijing, China; (4) Deyang Municipal Tobacco Company, Deyang, China
    Cigar production has a history of nearly 400 years in Shifang, Sichuan Province. However, the contents of tobacco-specific nitrosamines (TSNA) are generally high in cured tobacco leaves. Field trials were initiated to investigate the impact of...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2021, Online, AP 27

    Soil type regulates carbon and nitrogen stoichiometry and mineralization and bacteria following biochar or nitrogen addition

    WANG Huanhuan; SHI Hongzhi; ZHAO Yuanyuan; LIU Guoshun
    College of Tobacco Science, Henan Agricultural University / Tobacco Harm Reduction Research Center of HAU, Zhengzhou 450002, China
    Most studies on the effects of biochar and nitrogen fertilizer on soil carbon (C) and nitrogen (N) mineralization, and microbial C and N content, are restricted to a single tobacco-growing soil type, limiting our understanding of the interactions...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2021, Online, AP 52

    Effects of exogenous salicylic acid on photosynthesis and nitrogen metabolism of tobacco under drought stress and transcriptome analysis

    FENG Yuqing(1); SHI Hongzhi(1); ZHAO Yuanyuan(1); ZHOU Jun(2); MA Yanjun(2); LI Geng(1)
    (1) College of Tobacco Science / Tobacco Harm Reduction Research Center, Henan Agricultural University, Zhengzhou, China; (2) Beijing Cigarette Factory, Shanghai Tobacco Group Co., Ltd., Beijing, China
    Water is a major ecological factor for the growth, physiological metabolism and quality formation of tobacco. Drought causes not only the decrease of tobacco yield and quality, but also the lowering of nitrogen utilization rate, leading to nitrate...
  4. CORESTA Meeting, Agronomy/Phytopathology, 2021, Online, AP 54

    Effect of fermentation temperature on TSNA contents and aroma quality of cigar filler tobacco and microbial diversity analysis

    LI Jingjing(1); SHI Hongzhi(1); QIN Yanqing(2); ZHOU Jun(3); ZHAO Yuanyuan(1); ZHONG Qiu(4); LIU Deshui(3); WANG Jun(4); ZHANG Ruina(4)
    (1) College of Tobacco Science of Henan Agricultural University / Tobacco Harm Reduction Research Center of Hau, Zhengzhou, China; (2) Sichuan Provincial Tobacco Company, Chengdu, China; (3) Beijing Cigarette Factory of Shanghai Tobacco (Group) Co., Beijing, China; (4) Deyang Municipal Tobacco Company, Deyang, China
    Fermentation is indispensable for quality cigar tobacco production and fermentation temperature plays a pivotal role. Meanwhile, the fermentation process is also an important stage in the formation of tobacco specific nitrosamine (TSNA), and...
  5. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, AP 25

    Analysis of TSNAs and their relationship with alkaloids in cigar wrapper and filler tobaccos from different regions and varieties

    SHI Hongzhi(1); ZHOU Di(1); SUN Yuqi(1); WANG Jun(2); ZHOU Jun(3); ZHAO Yuanyuan(1); ZENG Dailong(4); QIN Yanqing(2); BAI Ruoshi(3); YANG Xingyou(2); LI Jingjing(1)
    (1) College of Tobacco Science of Henan Agricultural University / Tobacco Cultivation Key Laboratory of China Tobacco / Tobacco Harm Reduction Research Center of HAU, Zhengzhou, P.R. China; (2) Sichuan Tobacco Company, Chengdu, P.R. China; (3) Beijing Cigarette Factory of Shanghai Tobacco (Group) Co., Beijing, P.R. China; (4) China Tobacco Sichuan Industrial Co., Ltd, Great Wall Cigar Factory, Shifang, P.R. China
    Cigar tobacco production is growing rapidly as cigar consumption has been increasing recently in China. In order to be clear about the current status of tobacco-specific nitrosamine (TSNA) contents of cigar wrappers and fillers from different regions...
  6. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, APPOST 10

    Improved soil fertility and microbial diversity by microbial organic fertilizers in continuous tobacco cropping areas

    GUO Hui(1); YANG Huijuan(1); SUN Junwei(2); WEI Yuehui(1); SHI Hongzhi(1)
    (1) College of Tobacco Science, Henan Agricultural University, Zhengzhou, P.R. China; (2) Dali State Company of CNTC, Dali, P.R. China
    In order to study the effects of different fertilization methods on the microbial community structure and diversity of tobacco planting soils under continuous cropping conditions, Illumina Miseq high-throughput sequencing technology was used and...
  7. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 52

    Changes in TSNA contents and sensory quality of ultra-low nicotine tobacco leaves produced by grafting with eggplant

    REN Mengjuan(1); SHI Hongzhi(1); LI Hongliang(2); ZHOU Jun(3); TANG Chaoqi(3); BAI Ruoshi(3); ZHANG Mengyue(1)
    (1) College of Tobacco Science of Henan Agricultural University / Tobacco Cultivation Key Laboratory of China Tobacco / Tobacco Harm Reduction Research Center of HAU, Zhengzhou, P.R. China; (2) Xuchang Tobacco Company of Henan, P.R. China; (3) Shanghai Tobacco (Group) Co., Ltd., Shanghai, P.R. China
    Ultra-low nicotine tobacco production has been given broad attention due to the possible regulation of nicotine content in cigarette tobacco. Based on grafting with eggplant (eggplant as rootstock, flue-cured variety Yunyan 87 as scion), the feeding...
  8. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, APPOST 02

    Effects of spraying exogenous glycerol and molybdate on nitrate accumulation in pot-grown Burley tobacco leaves

    FENG Yuqing(1); SHI Hongzhi(1); LI Yafei(1,2); ZHOU Jun(3)
    (1) College of Tobacco Science of Henan Agricultural University, Tobacco Harm Reduction Research Center, Zhengzhou, P.R. China; (2) Henan Institute of Economics and Trade, Zhengzhou, P.R. China; (3) Beijing Cigarette Factory, Shanghai Tobacco Group Co., Ltd., Beijing, P.R. China
    Burley tobacco is well known as yellow-green leaf tobacco with reduced chlorophyll content and lower carbohydrate accumulation and lower nitrogen assimilation ability, resulting in the accumulation of nitrate, one of the precursors of TSNAs....
  9. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, APPOST 03

    Effect of delaying harvest on tobacco quality of upper six leaves and climatic requirement in central Henan of China

    GAO Zhenzhen(1); YANG Mingkun(1); LIU Kouzhu(1); LI Jianhua(2); LI Hongliang(2); ZHANG Bingzhuo(1); SHI Hongzhi(1)
    (1) College of Tobacco Science of Henan Agricultural University, Tobacco Cultivation Key Laboratory of China Tobacco, Zhengzhou, P.R. China; (2) Xuchang Tobacco Company of Henan Provincial, Xuchang, Henan, P.R. China
    Upper tobacco leaves have higher quality potential and play an important role in low tar cigarette production. Upper leaves being rich in organic matter and tight in structure, high maturity is the key to produce high quality cured leaves. According...
  10. 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...