Bull. Spec. CORESTA Symposium, Kallithea, 1990, p. 179, P22, ISSN.0525-6240
Sources of resistance to powdery mildew, wildfire and alternaria
R.J. Reynolds Tobacco Company, Winston-Salem, NC, USA, and Tobacco Research Board, Harare, Zimbabwe.
The most important sources of resistance to powdery mildew in the species N. tabacum are included in the CORESTA trap crop collection. At least two distinct genetic systems have been elucidated. The double recessive genetic system derived from Kokubu...