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75 results

  1. Tobacco Science & Technology, 2008, 4, p. 39-41, ISSN.1002-0861

    Effects of pH value of cut tobacco on nicotine in and smoking quality of cigarette smoke

    DUAN YAN-QING; YANG TAO; ZHE WEI
    Technology Center, Hongyun Tobacco (Group) Co., Ltd., Kunming, China
    In order to investigate the effects of pH value of cut tobacco on nicotine in and smoking quality of cigarette smoke, cut tobacco of two brands of cigarette was treated with 0.2 mol/L HCl and 0.5 mol/L NaOH aqueous solutions, respectively, and then the pH ...
  2. Tobacco Science & Technology, 2007, 3, p. 31-35, ISSN.1002-0861

    Transfer of near infrared calibration models combining with Karl Norris derivative filter and principal component analysis

    WANG JIA-JUN; LIU WEI
    Products Research Center of Honghe Cigarette Factory, Mile, Yunnan, China
    Of the 153 representative flue-cured tobacco samples scanned using Nicolet Antaris and PE Spectrum One NTS-NIR Spectrometer as source and target meters, respectively, the NIR spectral data of 120 samples were pretreated by Karl Norris derivative filter ...
  3. Tobacco Science & Technology, 2007, 6, p. 16-20, ISSN.1002-0861.

    Development of expert system for tobacco quality evaluating and cigarette blending

    XU RUO-FEI; LIU WEI; CHEN ZHANG-YU
    Technology Center, Hongyun Tobacco (Group) Co., Ltd., Kunming, China
    In order to use tobacco leaf reasonably, adopting the method of combining information collecting and analyzing with sensory evaluating, a cigarette blending expert system including six functional modules (leaf quality evaluating, leaf group blending, data ...
  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. Bull. Spec. CORESTA Congress, Lisbon, 2000, p. 140, PPOST8

    Bio-intensive integrated management of budworm, Helicoverpa armigera in FCV tobacco

    SITARAMAIAH S.; GUNNESWARA RAO S.; RAMAPRASAD G.; SREEDHAR U.
    Central Tobacco Research Institute (CTRI), Rajahmundry (A.P.) India
    Tobacco budworm, Helicoverpa armigera, is one of the limiting factors in successful production of Flue Cured Virginia (FCV) tobacco in Andhra Pradesh, India. It infests the crop during the grand growth period and inflicts severe damage to the bud leaves ...
  7. Bull. Spec. CORESTA Congress, Lisbon, 2000, p. 97, A9

    Lowering the nicotine content of flue-cured tobacco cultivars in South Africa

    VAN TONDER C.S.M.; KRUGER J.; DIPPENAAR M.C.
    Tobacco and Cotton Research Institute, Soil and Crop Science Division, Rustenburg, South Africa
    The nicotine content of flue-cured tobacco produced in the RSA is determined by factors suchas soil fertility, climatic conditions and production practices. The nicotine content of the leaf cannot be reduced dramatically without a detrimental effect on ...