Search Results

29 results

  1. CORESTA Congress, Quebec, 2014, Agronomy/Phytopathology Groups, AP 20

    Comparison of transcriptomes and gene expression profiles of two chilling- and drought-tolerant and intolerant Nicotiana tabacum varieties under low temperature and drought stress

    HAO D.H.(1); MA W.G.(2); SHENG Y.L.(1); ZHANG J.B.(1); JIN Y.F.(1); YANG H.Q.(1); LI Z.G.(1); WANG S.S.(1); GONG M.(1)
    (1) Yunnan Normal University, School of Life Sciences, Kunming, P.R. China; (2) Yunnan Academy of Tobacco Agricultural Sciences, Kunming, P.R. China
    Tobacco plants often encounter chilling and water scarcity conditions when grown in spring and early summer, leading to retarded growth and developmental abnormalities. The purpose of this study was to investigate comprehensive molecular mechanisms of ...
  2. CORESTA Congress, Quebec, 2014, Agronomy/Phytopathology Groups, AP 24

    Effect of growth temperature on polyphenol content and metabolism in tobacco (Nicotiana tabacum L.) leaves

    DUAN S.Z.(1); LI J.Y.(2); WANG S.S.(1); HAO D.H.(1); JIN Y.F.(1); YANG L.Y.(1); WANG L.T.(1); MA J.H.(1); GONG M.(1)
    (1) Yunnan Normal University, School of Life Sciences, Kunming, P.R. China; (2) Yunnan Academy of Tobacco Agricultural Sciences, Kunming, P.R. China
    Growth temperature for tobacco plants greatly influences growth and quality of tobacco leaves, and polyphenol content in tobacco leaves was often related to tobacco aroma flavour types. The purpose of this study was to evaluate the effect of different ...
  3. CORESTA Congress, Quebec, 2014, Agronomy/Phytopathology Groups, AP 43

    Optimisation of canopy architecture of field-grown tobacco based on three-dimensional modeling

    XU Zhaoli(1); YANG Yuhong(1); HOU Tongyu(2); GUO Yan(2)
    (1) Yunnan Academy of Tobacco Agricultural Sciences, Kunming, Yunnan, P.R. China; (2) China Agricultural University, College of Resources and Environment, Beijing, 100193, P.R. China
    Optimisation of canopy structure of field-grown tobacco is of importance for improving tobacco yield and quality. The architecture of individual K326 tobacco plants grown in an experimental field in Yuxi, Yunnan Province was measured by using 3D ...
  4. CORESTA Congress, Quebec, 2014, Agronomy/Phytopathology Groups, APPOST 07

    Long-term water deficit imposed by air drought or chilling stress modifies the regulation of proline metabolism in Nicotiana tabacum

    WANG S.S.(1); YANG H.Q.(1); ZHANG J.B.(1); HAO D.H.(1); MA W.G.(2); ZHENG Y.Y.(2); GONG M.(1)
    (1) Yunnan Normal University, School of Life Sciences, Kunming, P.R. China; (2) Yunnan Academy of Tobacco Agricultural Sciences, Kunming, P.R. China
    Tobacco (Nicotiana tabacum), which originated in the tropical Americas, is thought to be rather sensitive to water deficit imposed by drought, salinity or low temperatures, especially during the rapid growth period. However, many past investigations have ...
  5. CORESTA Congress, Quebec, 2014, Agronomy/Phytopathology Groups, APPOST 24

    The difference of cadmium tolerance in two varieties of Nicotiana tabacum L. and effect of exogenous abscisic acid on cadmium accumulation in Nicotiana tabacum L.

    DENG Xiaopeng(1); XU Zhaoli(1); HE Lian(2); XIA Yan(2); SHEN Zhenguo(2)
    (1) Yunnan Academy of Tobacco Agricultural Sciences, China Tobacco Breeding Research (Southern) Center, Kunming, P.R. China; (2) Nanjing Agricultural University, College of Life Sciences, Nanjing, P.R. China
    Hydroponic cultures were conducted to investigate the tolerance and accumulation of cadmium (Cd) between two varieties of N. tabacum L., ‘MS-Yunyan87’ and ‘MS-K326’. The effect of Cd and abscisic acid (ABA) on growth and Cd accumulation in tobacco ...
  6. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 64

    Structure identification of flavonoids in tobacco based on liquid chromatography mass spectrometry method

    PANG Tao; LI Yong; SHI Junli; LI Junying; DENG Jianhua; LU Xiuping
    Yunnan Academy of Tobacco Agricultural Sciences, Yuxi, Yunnan, P.R. China
    A structure identification method of flavonoids in tobacco was developed based on liquid chromatography mass spectrometry (LCMS). The two-step precursor ion scan method was used to identify flavone aglycones and glycosidic conjugates. The substitutional ...
  7. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, STPOST 18

    Development and validation of a high content screening in vitro micronucleus assay for the assessment of total particulate matter in cigarette smoke

    GAO Qian(1); ZENG Wanli(1); ZHU Zhouhai(1); GUAN Ying(1); MI Qili(1); MIAO Mingming(1); LI Xuemei(1); YAO Jianhua(1); LI Ming(2)
    (1) Yunnan Academy of Tobacco Science of CNTC, Kunming, P.R. China; (2) China Tobacco Society, Beijing, P.R. China
    High Content Screening (HCS) is imaging based multi-parametric approaches to cell analysis at the single-cell level, which was originally developed as a complementary technology to traditional biochemical high-throughput screening in drug discovery. It ...
  8. CORESTA Congress, Sapporo, 2012, Agronomy/Phytopathology Groups, AP 01

    Identification of genomic regions contributing to Phytophthora nicotianae resistance in tobacco cultivar ‘Florida 301’

    DRAKE K.E.(1); XIAO B.(2); VONTIMITTA V.(3); TONG Z.(2); ZHANG X.(2); LI M.Y.(2); LENG X.D.(2); LEWIS R.S.(1)
    (1) North Carolina State University, Department of Crop Science, Raleigh, NC, USA; (2) Yunnan Academy of Tobacco Sciences, Yuxi, P.R. China; (3) Purdue University, Department of Botany and Plant Pathology, West Lafayette, IN, USA
    Black shank is typically the most important disease affecting tobacco in the United States and is caused by the soil-borne oomycete Phytophthora nicotianae. Genetic resistance is an essential component of overall strategies to reduce economic loss from ...
  9. CORESTA Congress, Sapporo, 2012, Agronomy/Phytopathology Groups, AP 06 (Poster)

    Flow cytometry assisted selection on a CMS source (Nta(gla.)S) of flue-cured tobacco via somatic hybridisation

    CHEN Xuejun; LUO Jianrong; LI Wenzheng; XIAO Bingguang; LI Yongping
    Yunnan Academy of Tobacco Agricultural Sciences, Yuxi, Yunnan Province, P.R. China
    Eight somatic hybrids between Hongda and Nicotiana glauca, were obtained, of which two were completely self- and cross-sterile. The two hybrids were backcrossed with cv. K326. Ploidy analysis was carried out for 64 offspring from the backcross combination ...
  10. CORESTA Congress, Sapporo, 2012, Agronomy/Phytopathology Groups, AP 28 (Poster)

    Effects of different light quality on anatomical structure, carboxylase activity of ribulose 1,5-biphosphate carboxylase oxygenase and expression of rbc and rca genes in tobacco (Nicotiana tabacum L.) leaves

    LI Jun-ying; MA Er-deng; KE Xue; XU Chao-hua; GONG Ming
    Yunnan Academy of Tobacco Agricultural Sciences, Yuxi, Yunnan Province, P.R. China
    By covering tobacco plants with white, red, yellow, blue and purple films to obtain different light quality, the effects of light quality on anatomical structure, carboxylase activity of ribulose 1,5-biphosphate carboxylase oxygenase (Rubisco), and ...