Apple Rootstock Info: Alnarp 2

 

Characteristic
Detail                      
Description
Alnarp 2
 
Introduced by the Alnarp Fruit Tree Station, in Alnarp, in southern Sweden in 1944. Alnarp 2 was selected in 1920 from a group of mixed Doucin (dwarf) trees and it was brought to the US in 1949. This clonal rootstock propagates easily in the stool bed and produces a free-standing semi-vigorous tree 85 to 90% the size of seedling. Alnarp 2 is very cold tolerant and has been used as an understock for interstem

Apple Rootstock Info: P.22

Characteristic Detail Description
Rootstock P.22

Resulted from a cross of M.9 x Common Antonovka and released Research Institute of Poland  in Skierniewice, Poland. This is a very dwarfing rootstock, producing trees similar in size to M.27. Trees have good winter hardiness, and produce few burr knots and rootsuckers. It is moderately susceptible to fire blight and very susceptible to woolly apple aphid, and has good resistance to crown and root rots. P.22 is very precocious, has higher yield efficiency than

Apple Rootstock Info: P.18

Characteristic Detail Description
Rootstock P.18

Resulted from a cross of M.4 x Common Antonovka and released by the Research Institute of Poland  in Skierniewice, Poland. This is a nondwarfing rootstock with vigor similar to seedling. It has not been tested widely in North America, but based on a trial in Illinois P.18 was less precocious and had lower yield efficiency than MM.111. Inoculation tests in California indicate it is moderately resistant to phytophthora. It is susceptible to wooly apple aphid,

Apple Rootstock Info: G.41

Characteristic Detail Description
Rootstock G.41

Resulted from a cross between M.27 and Robusta 5 and introduced by the New York State Agricultural Experiment Station, Geneva, NY. Geneva® 41 and has been tested as CG 3041 and is a full dwarf, similar in size to M.9 NAKBT337. It is highly resistant to fire blight and phytophthora and in initial tests; it appears to be tolerant of replant disease. It is being tested in the 2003 NC-140 trial at 12 locations with

Apple Rootstock Info: V.1

Characteristic Detail Description
Rootstock V.1

The Vineland series of apple rootstocks originated as open-pollinated hybrids of ‘Kerr’ crabapples and M.9 rootstock and were selected at the Horticultural Experiment Station at Vineland, Ontario, Canada in 1958. According to information from the Ontario Ministry of Agriculture, Food and Rural Affairs, V.1 is in the M.26 size class, and yield and yield efficiency are usually greater than M.26. V.1 is cold hardy and somewhat resistant to fireblight. V.1 was included in the 1994

Apple Rootstock Characteristics and Descriptions

Click on a rootstock to access characteristics and descriptions.

Dwarfing Rootstocks Semi-Dwarfing Rootstocks Standard Size Rootstocks
B.9 B.118 Antonovka 313
G.16 B.490 MM.111 EMLA
B.10 G.202 P.18
G.214 G.11 Seedling
G.41 G.210
G.65 G.30
G.935 G.890
M.27 G.969
M.9 J-TE-H
Mark M.4
Ottawa 3 M.27, M.9 (interstem)/
MM.106 rootstock
P.2 M.27,M.9(interstem)/
MM.111 rootstock
P.22 M.26
Supporter 1 M.7 EMLA
Supporter 4 MM.106 EMLA
V.3 V.1