Incidence of black shank (Phytophthora nicotianae var. nicotianae) in north Queensland tobacco crops between 1969 and 1974Tools O'Brien, R. G. and Davis, R. D. (1981) Incidence of black shank (Phytophthora nicotianae var. nicotianae) in north Queensland tobacco crops between 1969 and 1974. Queensland Journal of Agricultural and Animal Sciences, 38 (2). pp. 203-208.
AbstractBlack shank (Phytophthora nicotianae var. nicotianae) was first observed in Queensland tobacco crops in 1969. In that year its presence was confirmed at 49 sites scattered through the tobacco growing districts of the Atherton Tableland. Due to its almost simultaneous appearance at such a large number of sites, it is unlikely that the causal organism was newly introduced.
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