2011•Journal of the American Pomological SocietyOpen access
Performance of the 2002 NC-140 Cooperative Peach Rootstock Planting
S. Johnson, R. Andersen, Wesley R. Autio, T.G. Beckman, Brent Black, P. Byers, John A. Cline, C.H. Chávez-González, W. Cowgill, Ronald E. Godin, George M. Greene, Martin L. Kaps, J. Kamas, H. Larsen, T. Lindstrom, D.D. Miller, M. Newell, D. Ophardt, D. Ouellette, R. Parra-Quezada, R. Pokharel, G. Reighard, T. Robinson, J. Schupp, L. Stein, K. Taylor, C. Walsh, D. Ward, M. Warmund, M. Whiting
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Abstract
In 2002, a peach [ Prunus persica(L.) Batsch] trial consisting of eight rootstocks was planted at 17 sites in the United States, Canada and Mexico. �Redhaven� was the scion at ten sites and �Cresthaven� at the other seven sites. The rootstocks tested were Adesoto 101, Mr.S.2/5, Penta, Krymsk�2 (VSV-1), Krymsk�1 (VVA-1), Pumiselect�, Cadaman� and Lovell. After five years, trees on Cadaman� were similar in size and productivity to Lovell. Pumiselect � and Krymsk�2 exhibited many problems with survival, suckering and fruit weight. Adesoto 101, Mr.S.2/5 and Penta all showed potential as semi-dwarfing rootstocks although mortality and suckering were excessive at some sites. Krymsk�1 showed potential as a dwarfing rootstock with a trunk cross-sectional area 35% of Lovell. Trees on Krymsk�1 rootstock also had fruit weight equal to the more vigorous rootstocks and had the highest yield efficiency.
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