1. Resistance to Osborne's cyst nematode in selected Nicotiana species;Baalawy;J. Nematol.,1971
2. Resistance of tobacco to blue mold (Peronospora tabacina);Clayton;J. Agric. Res.,1945
3. A wildfire resistant tobacco;Clayton;J. Hered.,1947
4. The transfer of blue mould resistance to tobacco from Nicotiana debneyi. Part IV-breeding programs 1957-1967;Clayton;Tob. Sci.,1968
5. Inheritance of resistance to tobacco cyst nematode in flue-cured tobacco;Crowder;Crop Sci.,2003