K. J. Jayawickrama McKeand, S. E., Li, B., Grissom, J. E., Isik, F., & Jayawickrama, K. J. S. (2008). Genetic parameter estimates for growth traits from diallel tests of loblolly pine throughout the southeastern United States. Silvae Genetica, 57, 101–110. https://doi.org/10.1515/sg-2008-0016 Jayawickrama, K. J. S., McKeand, S. E., & Jett, J. B. (1995). Phenological variation in height and diameter growth in provenances and families of loblolly pine. Proceedings of the 23rd Southern Forest Tree Improvement Conference, 33–39. Jayawickrama, K. J. S., & Balocchi L., C. (1993). Tree improvement in Chile: Two decades of progress. Journal of Forestry, 91(6), 43. Jayawickrama, K. J. S., McKeand, S. E., Jett, J. B., & Young, E. (1992). Rootstock and scion effects on carbohydrates and mineral nutrients in loblolly pine. Canadian Journal of Forest Research, 22(12), 1966–1973. https://doi.org/10.1139/x92-256