1. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 06

    Effects on the enzyme activity and microbial community of soil under different fertilizations

    LI Xiang; LIU Yanxia; ZOU Yan; ZHANG Heng; ZHU Jingwei; SHI Junxiong
    Guizhou Academy of Tobacco Science of CNTC, Guiyang, Guizhou, P.R. China
    Different fertilizations have significant different effects on soil enzyme activity and micro-organisms. In this paper, high-throughput sequencing was used to analyze the tobacco planting soil with long-term different fertilizations in Guizhou Province. ...
  2. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 07

    Float water alkalinity adjustment in organic seedling production

    VANN M.C.(1); STEVENS D.A.(1); SHORT M.(1); McGINNIS M.(2)
    (1) North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.; (2) North Carolina Department of Agriculture & Consumer Services – Agronomic Division, Raleigh, NC, U.S.A.
    Float water bicarbonate (HCO 3-) concentration in excess of 2.0 meq/L (100 ppm) can result in stunted, unusable seedlings unless neutralized. In conventional greenhouse systems, sulfuric acid is used for this purpose; however, it is not currently approved ...
  3. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 08

    Growth and nutrient uptake of Burley tobacco fertilized with alternative sources of potassium

    PEARCE B.(1); PAVULURI K.(2)
    (1) University of Kentucky, Lexington, KY, U.S.A.; (2) Sirius Minerals Plc, Scarborough, U.K.
    Burley tobacco has a relatively high requirement for potassium (K) with a typical crop removing over 250 kg K 2 O/ha. High levels of chloride (Cl) in the cured leaf can have a negative impact on cured leaf quality, limiting the amount of muriate of potash ...
  4. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 09

    Chloride application: effects to nutrient assimilation, agronomic performance, and cured leaf chemistry of flue-cured tobacco

    VANN M.C.(1); FISHER L.R.(1); INMAN M.D.(1); HARDY D.H.(2)
    (1) North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.; (2) North Carolina Department of Agriculture & Consumer Services – Agronomic Division, Raleigh, NC, U.S.A.
    Chloride (Cl-) application in excess of 34 kg ha-1 has generally been discouraged in the production of U.S. flue-cured tobacco, due to the negative effects the nutrient can have on cured leaf yield, quality, and smoke sensory. However, fertilizer blending ...
  5. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 10

    Testing performance of tobacco varieties in water stress conditions

    CAMPANONI P.(1); LAPARRA H.(1); OZELLEY P.(1); DELLA CIANA P.(3); BISCARINI E.(3); MAURIZI L.(2); NARDONI N.(2); TRIPPELLA C.(2); GOEPFERT S.(1)
    (1) Philip Morris Products S.A. (part of Philip Morris International group of companies), PMI R&D, Neuchâtel, Switzerland; (2) Philip Morris Italia s.r.l., via Po 11-13-15, 00198, Roma, Italy; (3) L’Agricola s.r.l., Bastia Umbra, Perugia, Italy
    Increasing climate instability could lead to local agricultural constraints, presenting a risk for volumes and quality of tobacco supply. Selecting and breeding tobacco varieties for the ability to perform in unfavourable water conditions becomes a ...
  6. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 11

    Breeding of an extremely low nicotine Burley tobacco line and its characteristics

    NA Woong-Hyun; KIM Kwang-Chul; OH Kyung-Hwan; JEON Eun-Young; LEE Jeong-Heon
    KT&G R&D Headquarters, Daejeon, South Korea
    Worldwide, regulation on tobacco and cigarettes is increasing more and more. In addition, the U.S. Food and Drug Administration (FDA) has recently announced a plan for regulation of nicotine content in tobacco. In this situation, not only flue-cured ...
  7. 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 trichome-branching ...
  8. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 14

    RNA-Seq analysis of Orobanche resistance in tobacco: development of molecular markers for breeding recessive resistance from Wika tobacco variety

    JULIO E.(1); MALPICA A.(2); COTUCHEAU J.(1); BACHET S.(2); VOLPATTI R.(1); DECORPS C.(1); DORLHAC de BORNE F.(1)
    (1) Imperial Tobacco Limited, Leaf Research, Bergerac, France; (2) Bergerac Seed and Breeding, Bergerac, France
    Orobanche spp. (broomrape) is an obligate root parasite that can attack a wide spectrum of plants, including tobacco. It is responsible for economic losses in Europe since 2002 and its incidence in many tobacco growing countries is increasing. Preventive ...
  9. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 15

    Chemical changes in ultra-low nicotine tobacco produced by grafting with Solanum melongena L.

    REN Mengjuan(1); SHI Hongzhi(1); YANG Huijuan(1); LI Jianhua(2); DUAN Weidong(3); LI Hongliang(2)
    (1) Henan Agricultural University/Tobacco Cultivation Key Laboratory of China Tobacco, Zhengzhou, P.R. China; (2) Xuchang Tobacco Company of Henan Province, P.R. China; (3) China Tobacco Henan Industrial Co. Ltd., Zhengzhou, P.R. China
    Ultra-low nicotine tobacco production has been given broad attention due to the possible regulation of nicotine content in cigarette tobacco. A pot experiment was carried out in Xiangcheng County, Henan Province, in 2017, to study the feasibility of ...
  10. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 16

    Flue-cured tobacco tip leaf yield, quality, value, and color distribution as influenced by cultivar and harvest schedule

    VANN M.C.; FISHER L.R.; INMAN M.D.; WHITLEY D.S.; SEAGROVES R.W.; BARNES K.
    North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.
    Changes in consumer preference and export strategy strongly influence the buying practices of tobacco leaf dealers and cigarette manufacturers. In current times, a dark-colored (orange to red) style of flue-cured tobacco is preferred over a brighter style ...