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  1. Bull. Spec. CORESTA Congress, Jerez de la Frontera, 1992, p. 118, A14, ISSN.0525-6240

    The growing importance of cytoplasmic male-sterile F1 hybrids in commercial flue-cured tobacco production in Zimbabwe

    MATIBIRI E.A.
    Tobacco Research Board, Harare, Zimbabwe.
    Cytoplasmic male-sterile (CMS) lines were introduced in the 1970's and by successive backcrosses, the CMS trait was introgressed into commercial cultivars and breeding lines. The performances of CMS lines in agronomic trials were similar to those of ...
  2. Bull. Spec. CORESTA Congress, Guangzhou 1988, p. 139, P-12

    Breeding for resistance to wildfire (Pseudomonas syringae pv. tabaci) races 0 & 1 and angular leaf spot (P. syringae pv. angulata)

    TERNOUTH R.A.F.; LYLE J.C.F.; WOODEND J.J.; MATIBIRI E.A.
    Tobacco Research Board, Harare, Zimbabwe.
    Wildfire and angular leaf spot are major diseases of tobacco in Zimbabwe. A natural infection of wildfire, race 1, was first reported in Zimbabwe in 1973. A breeding programme designed to develop commercially acceptable lines resistant to both races of ...