Search Results

83 results

  1. Tobacco Science & Technology, 2012, 11, p. 74-78, ISSN.1002-0861

    Influences of arbuscular mycorrhizal fungi on phosphorus content in tobacco planting soil and nutrition absorption of flue-cured tobacco plants

    YAO Juan(1); WANG Maosheng(2); WANG Feng(*1,3); XU Dongqing(2)
    (1) Agricultural College of Guizhou University, Guiyang 550025, P.R. China; (2) Guizhou Tobacco Science Institute, Guiyang 550081, P.R. China; (3) Qianxinan Prefecture Tobacco Company of Guizhou Province, Xingyi 562400, Guizhou, P.R. China
    In order to study the mycorrhizal effects of mycorrhizal seedling after transplanting, three nitrogen (N) levels, 45, 67.5 and 90 kg/ha, were applied in field experiments and the effects of mycorrhizal seedlings on phosphorus (P) content in soil and N and ...
  2. Tobacco Science & Technology, 2009, 5, p. 60-4, ISSN.1002-0861

    Effects of nitrogen rates on physiological and chemical characteristics of flue-cured tobacco under water stress

    CUI BAO-WEI; LU YIN-GANG; ZHANG ZHEN-ZHONG
    Agricultural College, Guizhou University, Guiyang, China
    The effects of nitrogen rates on the physiological and chemical characteristics of flue-cured tobacco under water stress were studied with pot experiments. The results showed that: 1) under the condition of moderate drought (relative moisture content of ...
  3. Tobacco Science & Technology, 2009, 6, p. 8-32, ISSN.1002-0861

    Catalytic synthesis of megastigmadiendiones with copper(I) chloride in imidazolium ionic liquid

    YANG MIN; YANG JIAN-HUI; PENG QIAN-RONG
    Guizhou University, School of Chemical Engineering, Guiyang, China
    In order to solve the problems of low yields and serious pollution to environment in synthesis of megastigmadiendiones, the experiments on catalytic synthesis of megastigmadiendiones from ionones with metal salt catalyst (such as CuCl, PbCl 2, CeCl 2, ...
  4. CORESTA Congress, Kyoto, 2004, A 02

    Decision support system for soil fertility and water quality - evaluation in FCV tobacco- growing zones of India

    KRISHNAMURTHY V.; RAVISANKAR H.; DEO SINGH K.
    Central Tobacco Research Institute (CTRI), Rajahmundry (A.P.) India
    Information Technology has become an integral part of our day-to-day life. In agriculture, computers are extensively used to disseminate the information on soils, water, climatic conditions, pest and disease management and one such information system is ...
  5. CORESTA Congress, Kyoto, 2004, AP 12

    Integrated Pest Management module for insect pests of tobacco in India

    SREEDHAR U.; SITARAMAIAH S.; VENKATESWARLU P.; DEO SINGH K.; NAGESWARARAO S.
    Central Tobacco Research Institute (CTRI), Rajahmundry (A.P.) India
    India is one of the major tobacco producing countries in the world. Tobacco is prone to infestation by various pests. In India caterpillar, Spodoptera litura; ground beetle; Mesomorphus villager; stemborer, Scrobipalpa heliopa; budworm, Helicoverpa ...
  6. CORESTA Congress, Kyoto, 2004, APOST 04

    A new Romanian flue-cured cultivar : Virginia 177

    CIUPERCA A.; PAUNESCU M.; PAUNESCU A.D.; BOLD I.; DUMITRASCU P.
    Central Research Station for Tobacco Culture and Industrialization, Bucharest, Romania.
    The improvement of the chemical and industrial quality of Virginia tobacco in Romania represents the main objective for those involved in tobacco research, production and industrialization. The most important way to achieve this objective is the change of ...
  7. CORESTA Congress, Kyoto, 2004, PPOST 06

    The prevention of TSWV attack in the Burley fields in Romania

    STANESCU V.; PAUNESCU A.D.; DIMA A.; PAUNESCU M.; BURCEA A.M.; SANISLAV N.
    Central Research Station for Tobacco Culture and Industrialization, Bucharest, Romania.
    The Burley cultivars are very sensitive to virosis, in general, and to TSWV, in particular.Yield and quality of the obtained tobacco largely depend on the prevention of this virus, and this is managed by the chemical control of Thrips tabaci Lind., the ...
  8. CORESTA Meeting, Agronomy/Phytopathology, Bucharest, 2003, A 04

    The influence of the physiologically active substances and of the natural bioregulators on tobacco seed, seedlings and plants

    DIMA A.; PAUNESCU A.D.; PAUNESCU M.; CIUPERCA A.; MILITARU D.C.
    Central Research Station for Tobacco Culture and Industrialization, Bucharest, Romania.
    The goal of the research was to improve the germination of tobacco seeds in order to obtain a healthy, vigorous, uniform seedling, ready to be transplanted in the shortest time. For the tobacco seed, cultivar Baragan 132, the following variants were used: ...