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37 results

  1. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, APPOST 01

    Study of fungicides effect of Vista and Nativo on tobacco collar rot (Sclerotinia sclerotiorum) in Northern Iran

    SAJJADI A.; NAJAFI M.R.; HOSSEINI A.; MASOUDI A.; SAFFAR F.
    Tirtash Tobacco Research and Education Center, Behshar, Iran
    The Sclerotinia sclerotiorum Bary fungi causes collar rot in the tobacco seedlings in the seedbed. The purpose of this project was to carry out a performance survey of the fungicides Vista (active ingredient Tricyclazole 37.5 % + Thiophanate methyl...
  2. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, APPOST 02

    Production of wettable powder biopesticide formulation from two superior Bacillus thuringiensis strains native to Northern Iran

    SHAZDEH AHMADI M.; SAJJADI A.; SALEHI JOUZANI Gh.R.; ASSEMI H.; SHAHADATI MOGHADAM Z.
    Tirtash Tobacco Research and Education Center, Behshar, Iran
    Biological pest control agents have many advantages such as low risk, low cost and specific effect. They can be an effective alternative to conventional chemical insecticides. Bacillus thuringiensis (Bt) is the most widely used biopesticide due to...
  3. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, APPOST 03

    Field evaluation of the efficacy of formulations produced from Bacillus thuringiensis (Bt) and nuclear polyhedrosis virus (NPV) isolates native to Northern Iran against Helicoverpa armigera

    SHAZDEH AHMADI M.; SAJJADI A.; SALEHI JOUZANI Gh.R.; ASSEMI H.; SHAHADATI MOGHADAM Z.
    Tirtash Tobacco Research and Education Center, Behshar, Iran
    Tobacco bud worm (Helicoverpa armigera) is one of the most destructive pests of tobacco that can cause severe reduction in both quality and yield. Bacillus thuringiensis (Bt) is an important and successful insect pathogen, with many advantages....
  4. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, APPOST 07

    Evaluation of the effects of organic and chemical fertilizer on quality and yield of flue-cured tobacco under irrigated and rainfed conditions

    AHMADI M.(1); MOHSENZADEH R.(1); DAVANLO A.(1); YAGHOBI Y.(1); SHAHADATI MOGHADAM Z.(1); GHOLIZADEH A.Gh.(1); ALINEJAD R.(1); HOSSEINI A.(1); SALAVATI M.R.(1); NOROZI A.(2); LATIFI N.(3); DASTA N.(2)
    (1) Tirtash Tobacco Research and Education Center, Behshar, Iran; (2) Azad University, Iran; (3) Gorgan University of Agricultural Science and Natural Resources, Iran
    Traditional agricultural practices reduce organic matter and soil fertility and also cause a reduction in quality and yield in many parts of the world. Therefore, attention to the preservation of soil organic matter seems necessary. Also, in order to...
  5. CORESTA Congress, Online, 2020, Smoke Science/Product Technology Groups, STPOST 09

    Study of thermal decomposition of Iranian Virginia tobacco components

    MORADI ROBATI G.R.; SAJJADI A.; SALAVATI M.R.
    Tirtash Tobacco Research and Education Center, Behshar, Iran
    The object of this study was to investigate the thermal decomposition of different parts of Virginia tobacco. Thermogravimetric analysis (TGA) and differential thermal analysis (DTA) curves resulting from thermal decomposition of tobacco components...
  6. CORESTA Congress, Shanghai, 2008, APPOST 02

    Evaluation of susceptibility of different larval instars of Helicoverpa armigera (Hub) to Bacillus thuringiensis in Mazandaran tobacco fields - Iran

    ASSEMI H.; REZAPANAH M.; SAJJADI A.; GOODARZIAN N.; CALANTARI MUSHAI M.
    Tobacco Research Institute, Tirtash, Behshahr, Iran.
    There are many microorganisms that are used for control of plant pests in the world. Among them, Bacillus thuringiensis has a wide range of activity and is more effective. The most important crop hosts of which H. armigera is major pest is tobacco....
  7. CORESTA Congress, Shanghai, 2008, APPOST 03

    Evaluation of resistance of tobacco beetle (Lasioderma serricorne F.) (Col. Anobiidae) on fumigant insecticides in tobacco stores

    ASSEMI H.; MAROUF A.; ROSTAMKOLAEI MOTLAGH E.; SAJJADI A.
    Tobacco Research Institute, Tirtash, Behshahr, Iran.
    Tobacco beetle is the most important pest of dried tobacco. This study was carried out in tobacco store of Mazandaran-Tirtash Education and Research Center. Treatments included: (1) 90% CO2 under polyethylene cover; (2) phostoxine 1 tab/m3 under...
  8. CORESTA Congress, Paris, 2006, APOST 17

    Comparison of quantitative and qualitative characteristics of Virginia flue-cured tobacco using new boxes and Iranian racks in bulk curing

    MOHSENZADEH R.; SERAJI M.R.; SHAMEL ROSTAMI M.T.
    Tirtash Research & Education Center, Behshahr, Iran.
    In Iran two methods are used for flue-curing, bulk curing barns using racks and conventional barns using strings to hang the leaves. The Iranian racks are most widely used in bulk curing. A survey has been done in order to compare Iranian racks with...