M.7 (Doucin Vert) apple rootstock

This information forms part of Agfact H4.1.10 Apple rootstock identification.

M.7 branch

M.7 leaf
Doucin Vert M7 branch Doucin Vert M7 leaf
Origin East Malling, England.
Selection 1913.
Description Leaf: medium small, thin, papery, rather shiny and flat, leaf stalk upright.
Shape: circular with attenuate tip and obtuse base, lower leaves somewhat lobed.
Margin: irregular small serrations.
Stipules: very small, inconspicuous.
Shoot: whippy, no side shoots, buds far apart, straight.
Vigour Semi-dwarfing, similar to MM.106, about twice the size of M.9.
Propagation Reasonably productive in stool bed.
Resistance Moderate resistance to some strains of collar rot.
Uses Reasonable anchorage but may require some tree support. Prone to excessive suckering. Suitable for productive scion varieties in semi-intensive plantings.