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7 results

  1. Bull. Spec. CORESTA Symposium, Taormina, 1986, p. 66, P06, ISSN.0525-6240

    Introduction of Meloidogyne Javanica resistance into flue-cured tobacco in Zimbabwe

    TERNOUTH R.A.F.; MACKENZIE J.; SHEPHERD J.A.
    Tobacco Research Board, Harare, Zimbabwe.
    M. javanica rootknot resistant lines have been produced in Zimbabwe. These lines derive their resistance from N. tabacum and an American cultivar, S.C. 72, which is resistant to M. incognita. These lines are coded STNC and are from the double cross (S2 ST ...
  2. Bull. Spec. CORESTA Symposium, Taormina, 1986, p. 75, P20, ISSN.0525-6240

    Comparative efficacy and persistance of four synthetic pyrethroids on different surfaces for control of tobacco beetle, Lasioderma Serricorne (F)

    KUNJEKU E.
    Tobacco Research Board, Harare, Zimbabwe.
    Seven particulate formulations of four synthetic pyrethroids were compared with tetrachlorvinphos for persistence and control of Lasioderma serricorne (F.) on three surfaces: uncoated quarry tile, limewashed quarry tile and PVA-coated quarry tile. ...