Performance of 'Gala' apple trees on 18 dwarfing rootstocks: Ten-year summary of the 1994 NC-140 rootstock trial

Richard P. Marini, J. L. Anderson, W. R. Autio, B. H. Barritt, J. Cline, W. P. Cowgill, Robert Michael Crassweller, R. M. Garner, A. Gauss, R. Godin, G. M. Greene, C. Hampson, P. Hirst, M. M. Kushad, J. Masabni, E. Mielke, R. Moran, C. A. Mullins, M. Parker, R. L. PerryJ. P. Privé, G. L. Reighard, T. Robinson, C. R. Rom, T. Roper, James Rawlinson Schupp, E. Stover, R. Unrath

Research output: Contribution to journalArticle

16 Scopus citations

Abstract

Eighteen dwarfing rootstocks, including six M.9 clones and two Vineland selections, were compared at 25 North American locations for 10 years. For most response variables, there was a highly significant location x rootstock interaction, so rootstock performance differed greatly from one location to another. The M.9 clones tested in this study had similar tree survival and yield efficiency (YE), but there were large differences in tree vigor. M.9 Pajam 2 and M.9 RN29 were nearly as vigorous as M.26, whereas M.9 Flueren 56 was least vigorous. Rootstocks could be grouped into five size categories. The most dwarfing rootstocks included P.22, M.27, P.16 and B.491, and these likely lack adequate vigor for commercial production. The second most dwarfing group of rootstocks were B.469 and Mark which produce trees of similar size. A group of slightly more vigorous rootstocks included V.3, B.9 and M.9 Flueren 56. Rootstocks similar in vigor to M.9 NAKBT337 included P.2, M.9 EMLA, M.9 Pajam 1, and O.3. The most vigorous group of rootstocks in the M.26 size class included M.9 RN29, M.9 Pajam 2, and V. 1. Cumulative yield tended to be positively related to tree size, but had relatively low yields for its size. YE was significantly affected by rootstock at 14 locations. Trees on Mark had high YEs at most locations, whereas trees on B.491 had low YEs at many locations.

Original languageEnglish (US)
Pages (from-to)69-83
Number of pages15
JournalJournal of the American Pomological Society
Volume60
Issue number2
StatePublished - Dec 13 2006

All Science Journal Classification (ASJC) codes

  • Horticulture

Fingerprint Dive into the research topics of 'Performance of 'Gala' apple trees on 18 dwarfing rootstocks: Ten-year summary of the 1994 NC-140 rootstock trial'. Together they form a unique fingerprint.

  • Cite this

    Marini, R. P., Anderson, J. L., Autio, W. R., Barritt, B. H., Cline, J., Cowgill, W. P., Crassweller, R. M., Garner, R. M., Gauss, A., Godin, R., Greene, G. M., Hampson, C., Hirst, P., Kushad, M. M., Masabni, J., Mielke, E., Moran, R., Mullins, C. A., Parker, M., ... Unrath, R. (2006). Performance of 'Gala' apple trees on 18 dwarfing rootstocks: Ten-year summary of the 1994 NC-140 rootstock trial. Journal of the American Pomological Society, 60(2), 69-83.