- Barden, J.A. and R.P. Marini. 2001. Yield, fruit size, red color, and estimated crop value in the NC-140 1990 cultivar/rootstock trial in Virginia.
- J.Amer. Pom. Soc. 55:150-158.
- Barrett, B.H., J.A. Barden, J. Cline, R.L. Granger, M.M. Kushad, R.P. Marini, M. Parker, R.L. Perry, T. Robinson, C.R. Unrath, and M.A. Dilley. 1997. Performance of ‘Gala’ at year 5 with eight apple root stocks in an 8-location North American NC-140 trial. Acta Hort. 451:129-135.
- Barrett, B.H., B.S. Konishi, and M.A. Dilley. 1995. Performance of three apple cultivars with 23 dwarfing rootstocks during 8 seasons in Washington. Fruit Var. J. 49:158-170.
- Barrett, B.H., B.S. Konishi and M.A. Dilley. 1996. Performance of three apple cultivars with 18 vigorous rootstocks during nine seasons in Washington. Fruit Var. J. 50:88-98.
- Gourley, J.H. and F.S. Howlett. 1947. Modern fruit production. The Macmillan Company, New York, NY.
- Hollander, M. and D.A. Wolfe. 1973. Nonparametric statistical methods. John Wiley and Sons, New York, NY.
- Jackson, J.E. and A.B. Blasco. 1975. Effects of rootstock and crop load on fruit size and quality of Cox's Orange Pippin and Worcester Pearmain. Rpt. E. Malling Res. Sta. 1974, p. 45.
- Lakso, A.N., T. L. Robinson, M.C. Goffinet and M.D. White. 2001. Apple fruit growth responses to varying thinning methods and timing. Acta Hort. 557:407-412.
- Littell, R.C., G.A. Milliken, W.W. Stroup and R. Wolfinger. 1996. SAS System for mixed models. SAS Institute Inc., Cary, N.C.
- 136
- Marini, R.P, J.A. Barden, J.Cline, R.L. Perry and
- T.Robinson. 2002. Effect of apple rootstocks on average fruit weight at four locations after adjust- ing for crop load. J. Amer. Soc. Hort. Sci. 127:749- 753.
- Marini, R.P., J.L. Anderson, W.R. Autio, B.H. Barritt, J. Cline, W.P. Cowgill, Jr., R.C. Crassweller, R.M. Garner, A. Gauss, R.Godin, G.M. Greene, C. Hampson, P. Hirst, M.M. Kushad, J.M. Masaabni, E. Mielke, R. Moran, C.A. Mullins, M. Parker, R.L. Perry, J.P. Privé, G.L. Reighard, T. Robinson, C.R. Rom, T. Roper, J.R. Schupp, E. Stover and R. Unrath. 2006. Performance of 'Gala' apple trees on 18 dwarfing rootstocks: ten-year summary of the 1994 NC-140 rootstock trial. J. Amer. Pomol. Soc. 60:69-83.
- Marini, R.P., B.H. Barritt, J.A. Barden, J.Cline, R.L. Granger, M.M. Kushad, M. Parker, P.L. Perry, T. Robinson, S. Khanizadeh and C.R. Unrath. 2001. Performance of 'Gala' apple on eight dwarf rootstocks: ten-year summary of the 1990 NC-140 rootstock trial. J. Amer. Pomol. Soc. 55:197-204.
- Milliken, G.A. and D.E. Johnson. 2002. Analysis of messy data. Vol. III: Analysis of covariance. Chapman and Hall/CRC, New York, NY.
- NC-140. 1996. Performance of the NC-140 cooperative apple rootstock planting: I. Survival, tree size, yield and fruit size. Fruit Var. J. 50:6-11.
- SAS Institute, Inc. 1990. SAS Procedures Guide, Version 6, 3rd Ed., Cary, NC.
- Stover, E., M. Fargione, and R. Risio, X. Yang and
- T.Robinson. 2001. Fruit weight, crop load, and return bloom of ‘Empire’ apple following thinning with 6-benzyladenine and NAA at several pheno- logical stages. HortScience 36:1077-1081.