132

2 LSmeans within location and year were compared with PDIFF, P=0.05.

IllinoisMaineMichiganNew York - GenevaVirginia
Stock200020012002200120022003200020012002200120022003200020012002
M.9 EMLA185 b178 ab145142 a121 ab144 a178 ab162 b149 b142 a121 ab144 a178 ab162 b149 b
M.26 EMLA187 b175 b147136 ab121 ab136 ab176 bc159 b152 ab136 ab121 ab136 ab176 bc159 b152 ab
M.9RN29192 ab177 ab147135 ab118 abc144 a181 ab159 b149 b135 ab118 abc144 a181 ab159 b149 b
M.9 Pajam1188 b180 ab143138 ab118 abc141 a182 a164 b148 b138 ab118 abc141 a182 a164 b148 b
M.9 Pajam2198 a186 ab145128 bc116 bc134 ab181 ab163 b149 b128 bc116 bc134 ab181 ab163 b149 b
B.9198 a172 b164142 a124 ab144 a171 cd162 b150 b142 a124 ab144 a171 cd162 b150 b
O.3187 b171 bc141142 a126 a125 b181 ab158 b156 a142 a126 a125 b181 ab158 b156 a
V.1183 b173 b157135 a117 bc136 ab174 bc153 b154 ab135 a117 bc136 ab174 bc153 b154 ab
Mark185 b156 c137125 c108 c125 b161 d148 c136 c125 c108 c125 b161 d148 c136 c
M.9T337193 ab187 a146140 a122 ab135 ab179ab173 a161 a140 a122 ab135 ab179ab173 a161 a
P-value from ANCOVA
Stock0.0010.0010.4910.0010.0010.0550.0040.0010.0110.0070.0240.0470.0010.0010.018
CD0.0070.0030.0010.0030.0190.0210.0010.0010.0010.0010.0010.0010.0010.0010.001
CD*Stock0.5440.2810.3470.1360.2610.3130.5190.4310.3040.3290.2250.8730.9380.2230.169

JOURNAL OF THE AMERICAN POMOLOGICAL SOCIETY

Table 1. Average fruit weight of 'Gala' apple on 10 dwarfing rootstocks at five locations for three seasons. Values are least-squares means, adjusted for missing observations and crop density (CD).z