1. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, AP 03

    The interactions between tobacco vein distorting virus and tobacco bushy top disease-associated RNA

    MO Xiaohan; XU Ping; ZHAO Xingneng; ZHANG Lifang; QIN Xiyun; XIA Zhenyuan
    Yunnan Academy of Tobacco Agricultural Sciences of CNTC, Kunming, Yunnan, P.R. China
    Tobacco bushy top disease is the only plant viral disease caused by the umbravirus/luteovirus complex so far in China, resulting in significant economic losses in tobacco production in the Yunnan Province of China. Tobacco bushy top disease complex...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, AP 04

    Selection and identification of a tobacco endophytic bacteria strain L1 with inhibitory effect against TMV

    ZHAN Huaixu; WANG Fenglong; SHEN Lili; YANG Jinguang; QIAN Yumei; CHEN Dexin
    Qingzhou Tobacco Research Institute of CNTC, Qingdao, Shandong, P.R. China
    The objective of this study is to screen a biocontrol bacterial strain with significant inhibitory effect against TMV (Tobacco mosaic virus). The strains were isolated from leaves of tobacco var. Luyan 1 resistant to TMV. The anti-TMV strain was...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, AP 05

    Discovery of RNA viruses in tobacco by high throughput sequencing of small interfering RNA (siRNA)

    WANG Fang(1); ZHOU Benguo(1); GAO Zhengliang(1); DONG Jianjiang(2)
    (1) Tobacco institute, Anhui Academy of Agricultural Sciences, Hefei, P.R. China; (2) Anhui Province Tobacco Monopoly Administration, Hefei, P.R. China
    Sequencing and assembly of small interfering RNAs (siRNAs) from plants has been proved to be an effective way of identifying and characterising both DNA and RNA viruses. To explore the virome of a mixed tobacco sample, leaves of tobacco showing...
  4. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, AP 06

    Integrated measures for bio-control of tobacco bacterial wilt and the effect on soil microorganisms

    LIU Yanxia; LI Xiang
    Guizhou Academy of Tobacco Science of CNTC, Guiyang, Guizhou, P.R. China
    Tobacco bacterial wilt is one of the most serious problems in southwest China. Single treatment approaches are not normally effective and so developing efficient integrated measures for biocontrol of tobacco bacterial wilt is very critical. In this...
  5. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, AP 09

    Inhibitory activity of maize root exudates against Phytophthora nicotianae and antifungal compounds analysis

    ZHANG Limeng(1); JI Sigui(1); JIAO Yongge(1); LI Jiangzhou(1); GU Xinghui; CUI Yonghe; ZHAO Jinlong; ZHU Shusheng(2); YANG Min(2)
    (1) Yunnan Tobacco Company, Yuxi Branch, Yuxi, P.R. China; (2) Key Laboratory for Agro-biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming, P.R. China
    In this study, we observed the interaction between maize root and zoospores of Phytophthora nicotianae, the inhibitory activity of maize root exudates against P. nicotianae and the antifungal compounds in the maize root exudates were tested and...
  6. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, AP 10

    Biological control of Ralstonia solanacearum using Ralstonia phage and the influence of diversity of soil bacteria

    WANG Fenglong(1); GAO Miao(1); QIAN Yumei(1); SHEN Lili(1); YU Guanghong(2); WANG Yaofeng(3); YANG Jinguang(1)
    (1) Key Laboratory of Tobacco Pest Monitoring Controlling & Integrated Management / Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, Shandong, P.R. China; (2) Baoshan Oriental Tobacco Company Ltd, Baoshan, Yunnan, P.R. China; (3) Qingyang Company, Gansu Provincial Tobacco, Xifeng, Gansu, P.R. China
    Tobacco bacterial wilt caused by Ralstonia solanacearum is one of the main diseases of tobacco. Ralstonia phage ∈RS-1 was isolated from the soil of tobacco bacterial wilt nurseries from experimental fields of the Tobacco Research Institute of CAAS...
  7. 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%)...
  8. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, AP 35

    Measuring canopy nitrogen nutrition in tobacco plants using hyper spectrum parameters

    ZOU Yong; YE Xiaoqing; YU Zhihong; CHEN Yufeng; WANG Wei; CHEN Jianjun
    (1) Shenzhen Tobacco Ind. Co., Ltd. of CNTC, Shenzhen, Guangdong, P.R. China; (2) Shenzhen Boton Flavors & Fragrances Co., Ltd., Shenzhen, Guangdong, P.R. China; (3) Tobacco Laboratory, South China Agricultural University, Guangzhou, Guangdong, P.R. China
    The aim of this paper is to study the quantitative relationship between above-ground nitrogen accumulation (ANA) of flue-cured tobacco and canopy spectral parameters, and then build a monitoring model for ANA of flue-cured tobacco based on various...
  9. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, AP 36

    Effects of straw biochar on the growth of flue-cured tobacco and soil nutrients

    ZHANG Jixu(1,2); WANG Rui(3); LIU Dehu(4); ZHANG Jiguang(1); GAO Lin(1); DAI Yanchen(1); ZHA Ting(1); MENG Guixing(3); XIANG Bikun(3); SHEN Guoming(1)
    (1) Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Key Laboratory of Tobacco Biology and Processing, Ministry of Agriculture, Qingdao, Shandong, P.R. China; (2) Qingdao Agricultural University, Qingdao, Shandong, P.R. China; (3) Enshi Branch of Hubei Tobacco Company, Enshi, Shandong, P.R. China; (4) Qingzhou Cigarette Factory, China Tobacco Shandong Industrial Co., Ltd., Shandong, Qingzhou, P.R. China
    To investigate the effect of biochar application on tobacco, pot experiments were conducted to study the impacts of applying straw biochar at different levels on tobacco growth and soil nutrients. The results showed that the growth of above-ground...
  10. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, AP 41

    Effects of different growth temperatures on alkaloid content and nicotine metabolism in roots, stems and leaves of tobacco (Nicotiana tabacum L.) plants

    JIN Y.F.(1); WANG S.S.(1); LI J.Y.(2); PANG T.(2); ZHANG J.B.(1); GONG M.(1)
    (1) School of Life Sciences, Yunnan Normal University, Kunming, P.R. China; (2) Yunnan Academy of Tobacco Agricultural Sciences, Kunming, P.R. China
    Alkaloids, especially nicotine content, significantly influences quality and flavour types of tobacco leaves, which is differentially regulated by various environmental conditions. To investigate the effects of different growth temperature on...