Tob. Sci., 1967, 11-22, p. 79-83, ISSN.0082-4623
Occurrence of race 1 of Phytophthora parasitica var. nicotiana in North Carolina and its implications in breeding for disease resistance
N.C. State College, Raleigh, NC USA
Race 1 of P. parasitica var. nicotianae has been found in black shank testing nurseries in North Carolina and Puerto Rico subsequent to the planting of N. plumbaginifolia and certain of its derivatives in hybrid combination with N. tabacum. Race 1...