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  3. 50th TWC, Tob. Work. Conf., 2022, abstr. 54

    Study on the effects of different soil types and tobacco varieties on the incidence of tobacco wilt disease

    ZHANG Ch.Q.(1); HU L.W.(2); GUAN Ch.W.(1); MU W.J.(2); GUO J.H.(2); YANG M.M.(2); XUE Ch.Q.(2); ZHANG Zh.G.(3); WANG G.Y.(2); WANG A.G.(2)
    (1) Jiangxi Academy of Tobacco Science, Nanchang, Jiangxi Province, China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan Province, China; (3) Fuzhou Branch of Jiangxi Tobacco Company, Fuzhou, China
    Tobacco wilt disease is soil-born disease caused by Ralstonia solanacearum, which occurs in temperate and subtropical major tobacco-producing region. In order to study the effect of different soil types and tobacco varieties on the incidence of...
  4. 50th TWC, Tob. Work. Conf., 2022, abstr. 55

    Function analysis of genes with SNP differences between high nicotine conversion line TS01 and Yunyan 85

    TIAN Y.Y.(1); XUAN B.B.(2); YANG J.Zh.(2); GUO J.H.(2); YANG M.M.(1); XU Y.Q.(1); MU W.J.(2); LIU K.(1); XUE Ch.Q.(2); WANG G.Y.(2); HU L.W.(2)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China; (2) Hongta Tobacco (Group), Yuxi, Yunnan, China; (3) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
    Special aroma style "sakura red”(called “Zhushayan” locally) has been appearing in Yunnan tobacco-planting area in China for a long time, previous studied shown that Yunnan “Cherry red” tobacco has light aroma style, strong rice fragrance, which is...
  5. CORESTA Congress, Online, 2022, Agronomy/Phytopathology Groups, AP 06

    Response of soil bacterial community structure and co-occurrence network topology properties to soil physicochemical properties in long-term continuous cropping farmland

    ZENG Weiai(1); YANG Zhaoyue(2); GU Yabing(2); XIE Pengfei(1); CAI Hailin(1); YIN Huaqun(2)
    (1) Changsha Tobacco Company of Hunan Province, Changsha, China; (2) School of Minerals Processing and Bioengineering, Central South University, Changsha, China
    The objective of this study was to explore the relationship between the soil bacterial community (i.e. structure and molecular ecological network) and environmental evolution in long-term continuous cropping field. In this study, soil samples were...
  6. CORESTA Congress, Online, 2022, Agronomy/Phytopathology Groups, AP 07

    Optimization of prediction model for tobacco leaf dehydration rate during intensive curing process based on machine learning

    DU Haina(1,2); MENG Lingfeng(1); WANG Songfeng(1); ZHANG Binghui(3); HE Dengfeng(4); XUN Xiaohong(5); GAO Jun(6); WANG Aihua(1); LIU Hao(1,2); LI Zengsheng(1,2); SUN Fushan(1)
    (1) Institute of Tobacco Research of CAAS, Key Laboratory of Tobacco Biology and Processing, Ministry of Agriculture, Qingdao, China; (2) Graduate School of Chinese Academy of Agricultural Sciences (CAAS), Beijing, China; (3) CNTC FuJian Corporation, FuZhou, China; (4) CNTC ShanXi Corporation, XiAn, China; (5) Chongqing Tobacco Science Research Institute, Chongqing, China; (6) Liangshan Tobacco Company of Sichuan Province, Xichang, Sichuan, China
    The objective of this study was to quantify the apparent characteristic values of tobacco leaves during the intensive curing process, to grasp the law of changes in water loss, and to achieve precise control of curing process parameters during the...
  7. CORESTA Congress, Online, 2022, Agronomy/Phytopathology Groups, AP 15

    Automatic identification and precise prevention of deep green infection in tobacco leaf using a hand-held DLP-based NIR spectrometer

    YANG Shuangyan(1); YANG Tao(1); SHEN Yanwen(1); YANG Zigang(1); ZHANG Jianqiang(2)
    (1) Yunnan Tobacco Biological Technology Co., Ltd, Kunming, China; (2) Yunnan Police College, Kunming, China
    Identification and prevention of deep green infection play an important role in high-quality production of tobacco leaf. However, at present, it is difficult to automatically and accurately evaluate the infection level, and especially prevent the...
  8. CORESTA Congress, Online, 2022, Agronomy/Phytopathology Groups, AP 16

    Application of protoplast technology facilitates the CRISPR-Cas9 mediated gene replacement in Nicotiana tabacum and confers resistance against tobacco mosaic virus

    YUAN Cheng; HUANG Changjun; LIU Yong; ZENG Jianmin; TONG Xhijun; YU Haiqin; FANG Dunhuang; XIAO Bingguang
    Yunnan Academy of Tobacco Agricultural Sciences, Kunming, Yunnan Province, China
    Tobacco mosaic virus (TMV) is an important virus pathogen that threatens the production of tobacco. In the past 50 years, only the N gene has been deployed for TMV-resistant tobacco breeding, while the TMV-resistant flue-cured tobacco varieties...
  9. CORESTA Congress, Online, 2022, Agronomy/Phytopathology Groups, AP 20

    Integrative analysis of transcriptome and metabolome provides insights into the underlying mechanism of cold stress response and recovery in two tobacco cultivars

    HU Zhengrong(1); YAN Weijie(2);YANG Chenkai(2); LI Yangyang(1); YANG Jiameng(1); HU Risheng(1)
    (1) Hunan Tobacco Research Institute, Changsha, Hunan, China; (2) College of Agronomy, Hunan Agricultural University, Changsha, Hunan, China
    Low temperature is one of major environmental factors limiting the growth, quality and yield of tobacco. However, the molecular mechanism of tobacco cold response remains largely unknown. Here, integrated biochemical, transcriptomic and metabolomic...
  10. CORESTA Congress, Online, 2022, Agronomy/Phytopathology Groups, AP 23

    Functional characterization of transcription factor NtERF13a in regulating phenylpropanoids biosynthesis in tobacco

    WANG Zhong(1); ZHANG Zhan(2); LUO Zhaopeng(1); LIU Pingping(1); WU Mingzhu(1); LI Zefeng(1); ZHANG Jianfeng(1); XU Xin(1); YANG Yongfeng(2); YANG Jun(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan Province, China; (2) Technology Center, China Tobacco Henan Industrial Co., Ltd., Zhengzhou, Henan Province, China
    Tobacco leaves contain abundant phenylpropanoids compounds, including chlorogenic acid, rutin, scopoletin, and lignin. These phenylpropanoids are important for plant growth and development, and participate in plant resistance to various environmental...