Genetic Improvement of Stone Fruit Rootstocks for Resistance to Nematodes Ledbetter, C. and M. McKenry. 1992
Genetic Improvement of Stone Fruit Rootstocks for Resistance to Nematodes Ledbetter, C., and M. McKenry. 1991
Genetic Improvement of Stone Fruit Rootstocks For Resistance to Nematodes Ledbetter, C., C. Shonnard, and M. McKenry. 1990
Genetic Improvement of Stone Fruit Rootstocks for Resistance to Nematodes Ledbetter, C., C. Shonnard, and M. McKenry. 1989
A Greater Number of Roostock Choices can Provide a Partial Alternative to Methyl Bromide Fumigation McKenry, Michael. 2006