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40 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2023, Cancun, AP 12

    Genome-wide association analysis combined with quantitative trait loci mapping reveal the genetic loci of leaf traits in cigar tobacco

    LIU Guoxiang(1); ZHANG Xingwei(1); JI Yan(1); YAN Sifan(1); JIANG Xun(1); LI Yuan(1); WANG Jun(2)
    (1) Institute of Tobacco Research, Chinese Academy of Agricultural Sciences, Qingdao City, Shandong Province, China; (2) Deyang Company of Sichuan Provincial Tobacco Corporation, Deyang, Sichuan, China
    Cigar is a special tobacco product made entirely from a roll of leaf tobacco. In China, the cigar market continues to grow, while the serious shortage of high-quality cigar wrapper, the cigar´s outermost leaf, limits the development of the domestic...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2023, Cancun, AP 52

    PIF1, a phytochrome-interacting factor, negatively regulates drought tolerance and carotenoids biosynthesis in tobacco

    LIU Shaohua(1,2); ZHANG Yinchao(1); PAN Xuhao(1); YANG Qing(1); YANG Changqing(1); WU Fengyan(1); YANG Aiguo(1); LI Yiting(1)
    (1) Key Laboratory of Tobacco Genetic Improvement and Biotechnology, Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China; (2) R&D Department, Shenzhen Yupeng Technology Co., Ltd, Shenzhen, China
    The phytochrome-interacting factors (PIFs) function crucially in multiple physiological processes, but the biological functions of some PIFs remain elusive in some species. Here, a tobacco (Nicotiana tabacum L.) PIF transcription factor NtPIF1 was...
  3. 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...
  4. CORESTA Congress, Online, 2022, Agronomy/Phytopathology Groups, AP 44

    Changes of soil bacterial community structure and its response to soil physicochemical properties after addition of wheat straw and its biochar

    WANG Yi(1,2); SONG Wenjing(2); LIU Zhigang(1); DU Chuanyin(1); GUAN Ensen(1); WANG Xianwei(1); ZHENG Xuebo(1); CONG Ping(1); WANG Shuke(1); MENG Qinghong(1)
    (1) Weifang Tobacco Co., Ltd., Weifang, Shandong, China; (2) Ministry of Agriculture, Tobacco Research Institute of Chinese Academy of Agriculture Sciences, Qingdao, Shandong, China
    Ecosystem degradation is a major environmental problem in Shandong tobacco-planting soil. Aiming to rationally utilise wheat straw resources to improve soil biological quality, a two-year field experiment was carried out to investigate the changes of...
  5. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, AP 02

    The AP2 transcription factor NtERF172 confers drought resistance by modifying NtCAT

    HU Risheng(1); LI Yangyang(1); LIU Dan(2); ZHAO Qiang(3)
    (1) Hunan Tobacco Research Institute of CNTC, Changsha, Hunan Province, P.R. China; (2) Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, P.R. China; (3) College of Horticulture, Qingdao Agricultural University, Qingdao, P.R. China
    Drought stress often limits plant growth and global crop yields. Catalase (CAT)-mediated hydrogen peroxide (H2O2) scavenging plays an important role in the adaptation of plant stress responses, but the transcriptional regulation of the CAT gene in...
  6. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 17

    Variation of soil potassium quantity-intensity relationship in flue-cured tobacco-rape rotation system under long-term located potassium application

    DAI Kuai(1); LI Jiangzhou(1); ZHANG Limeng(1); JI Sigui(1); LONG Huaiyu(2); XU Zhaoli(3); DUAN Yuqi(3); YANG Yuhong(3); LU Xiuping(3); JIAO Yongge(1); BU Lingduo(1)
    (1) Yunnan Tobacco Company Yuxi Branch/Biological Control of Tobacco Diseases and Insect Pests Engineering Research Center of China, Yuxi, P.R. China; (2) Institute of Agriculture Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, P.R. China; (3) Yunnan Tobacco Agriculture Research Institute, Kunming 650031, P.R. China
    The aim of this study was to explore the effect of long-term potassium application on soil potassium supply capacity, so as to provide certain scientific basis for rationalising potassium application and continuing research on the development of...
  7. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, APPOST 07

    Effects of wheat straw and biochar addition on physiochemical properties and organic carbon fractions in flue-cured tobacco planting soil

    WANG Yi; ZHANG Junqing; KUANG Shuai; GUAN Ensen; ZHUO Qicui; SONG Xiaopei; LU Weilong; WANG Dahai; LIU Yuedong; ZHANG Jiguang
    Weifang Tobacco Co., Ltd of Shandong Province of CNTC, Weifang, P.R. China; Ministry of Agriculture, Tobacco Research Institute, Chinese Academy of Agriculture Sciences, Qingdao, P.R. China
    Soil organic carbon (SOC) is the core component in maintaining soil fertility. However, soil total organic carbon (TOC) gains and losses are difficult to distinguish over a short time period. Previous studies showed that labile organic carbon...
  8. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 54

    Cucumber mosaic virus-IB induced endoplasmic reticular stress in Nicotiana benthamiana

    SHEN Lili; LI Fangfang; HE Qingyun; LI Ying; YANG Jinguang; WANG Fenglong
    Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, Shandong, P.R. China
    The cellular translation machinery is hijacked by large amounts of viral proteins upon virus infection. The unfolded proteins accumulated in the endoplasmic reticulum (ER) results in ER stress (ERs), which triggers the unfolded protein response (UPR)...
  9. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 56

    Cloning and expression induced by TMV of a pathogenesis related protein gene NtPR10 in tobacco (Nicotiana tabacum)

    ZHANG Yu; ZHANG Zenglin; JIANG Caihong; CHANG Aixia; YANG Aiguo; LUO Chenggang; WANG Shaomei; WANG Yuanying
    Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, Shandong, P.R. China
    In order to investigate the biological function of tobacco pathogenesis-related protein PR10, NtPR10 was obtained from the tobacco G28, which is 483bp in length, encoding 160 amino acids. This NtPR10 belongs to pathogenesis related protein family...
  10. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, APPOST 10

    Degradable characterisation and risk assessment of suckercides residues in tobacco leaf

    LI Yiqiang; XIANG Zhenbo; XU Guangjun; XU Jinli; ZHENG Xiao; SUI Chengcheng; JIANG Huatao; ZHANG Guangyu
    Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, Shandong, P.R. China
    A modified gas chromatography technology was developed to detect suckercide residues of dlibutalin, flumetralin and pendimethalin with a series of good agricultural practice (GAP) samples at planting stage, and during the storage process and smoking...