1. Beitr. Tabakforsch. Int./Contrib. Tob. Research, 2002, 20-4, p. 301-11., ISSN.0173-783X

    Wild Nicotiana species as a source of cytoplasmic male sterility in Nicotiana tabacum

    NIKOVA V.; VLADOVA R.
    D. Kostov Inst. of Genetics, Bulgarian Academy of Sciences, Sofia, Bulgaria
    The results of our experiments executed to obtain tobacco male sterile lines through interspecific hybridization are summarized. Ten wild species from the genus Nicotiana: N. excelsior (exc), N. amplexicaulis (amp), N. rustica (rus), Nicotiana glauca (gla ...
  2. Beitr. Tabakforsch. Int./Contrib. Tob. Research, 2003, 20-6, p. 394-400., ISSN.0173-783X

    Growth and water relations of sun-cured tobacco irrigated with saline water

    ANGELINA G.; ASCIONE S.; RUGGIERO C.
    University of Naples ''Federico II'', Dept. of Agricultural Engineering and Agronomy, Portici, Naples, Italy.
    We have investigated the effects of saline irrigation on growth and water relations of two sun-cured tobacco genotypes, Xp102 and Px107, which belong to the Xanthia and Perustitza tobacco ecotypes, respectively. We compared three commercial sea salt ...
  3. CORESTA Meeting, Agronomy/Phytopathology, Bucharest, 2003, APOST 11

    Nicotiana benthamiana Domin. as a source of aphid resistance in N. tabacum L

    KRUSTEVA D.; NIKOVA V.; VLADOVA R.; DIMITROV B.; PETKOVA A.; IANCHEVA A.
    Bulgarian Academy of Science, Institute of Genetics, Sofia, Bulgaria.
    Tobacco aphids annually cause considerable damage to tobacco production, reducing the yield and in addition transmitting a number of viral pathogens to tobacco. The wild tobacco species N. benthamiana Domin is highly resistant to aphids. Although the ...
  4. CORESTA Meeting, Agronomy/Phytopathology, Bucharest, 2003, APOST 12

    Investigation of the interspecific hybrid Nicotiana tabacum L. x N. sanderae Hort. obtained via in vitro techniques

    NIKOVA V.; KRUSTEVA D.; DIMITROV B.; PANDEVA R.; VLADOVA R.
    Bulgarian Academy of Science, Institute of Genetics, Sofia, Bulgaria.
    The cross between Nicotiana tabacum L. (line 329- oriental tobacco, Djebel type) and N. sanderae Hort. is difficult to carry out because of the existent barriers of incompatibility. When N. sanderae was used as pollinator, a small amount of underdeveloped ...
  5. CORESTA Meeting, Agronomy/Phytopathology, Bucharest, 2003, P 08

    Main features of the recent spreading of broomrape in French tobacco crop and efficiency of control methods

    BRAULT M.; GIBOT-LECLERC S.; SALLÉ G.
    Université Pierre et Marie Curie, Laboratoire de Parasitologie Végétale, Paris, France
    In France, the obligate root parasite Orobanche ramosa L. (broomrape) attacks tobacco and causes important yield losses in some areas. It is becoming a real agronomic threat. A national survey has been conducted by ANITTA (National Tobacco Technical ...
  6. CORESTA Meeting, Smoke Science/Product Technology, Freiburg, 2003, ST 37

    Fine-cut tobacco: NFDPM ("tar"), nicotine and carbon monoxide smoke yields determined from articles made from the five top selling brands sold in the U.K

    THOMAS F.
    Arista Laboratories Europe, Teddington, UK
    Using International Standard ISO/FDIS 15592 [1]  Department of Health commissioned Arista Laboratories Europe to acquire, manufacture and machine smoke articles for the five top selling brands of fine cut tobacco on sale in the UK (covering 96.6% of the ...