B9 rootstock

B9 left vs M9 right on young rootstock stoolbed.

(Image: a young rootstock stoolbed. Left B9 vs. M9 on the right.)

The Budagovski 9 (B9 or Bud 9) rootstocks is a rootstock which originally origins from Russia. The B9 rootstock is considered more winter hardy and less drought sensitive than the M9 rootstock. This makes the B9 rootstock suitable for colder regions. 

In terms of vigor, the B9 rootstocks has a growth strength around 45% compared to a seedling. The Bud 9 is slightly stronger than the M9 rootstock. A distinctive characteristic of the B9 are the red leaves (see picture). In the table below you will see the vigor or growth strength of the B9 compared to other rootstock types and the seedling.

The rootstocks are usually graded in size categories (in mm) 4/6, 6/8, 8/10, 10/12 and 12+. On client request we can do specific grading, for example 8/12.

Vigor of B9 rootstock compared to the vigor of a seedling.
Seedling 100%
MM111 75%
MM106 65%
M7 60%
M26 50%
B9 45%
M9 (T337) 40%
M27 30%

B9 rootstocks

Fruitboomkwekerij Morren VOF
Diepesteeg 1a
8081 PD Elburg
The Netherlands

Tel: 0525-680352
Mob: 06-536 364 60
Fax: 0525-686399

e-mail: info@fruitboomkwekerijmorren.nl
KVK nummer: 08067111