Rootstock comparison table
| Rootstock | Controller 9 |
|---|---|
| Summary | Conroller 9 is slightly less vigorous than ‘Nemaguard’, but with less water sprouts. It has unknown tolerance to waterlogging, calcareous soils and drought, good anchorage and is precocious, but not cold hardy. |
| remove |
Using
| Controller 9 | |
|---|---|
| Species compatibility | Japanese plum European plum Peach |
| Vigour % of standard | 90% |
Growing
| Controller 9 | |
|---|---|
| Rootstock size class | Vigorous |
| Precocity | Precocious |
| Support required | Free-standing |
Climate
| Controller 9 |
|---|
Identification
| Controller 9 | |
|---|---|
| Developer | USDA ARS University of California Davis Plant Breeding Center |
| Country of origin | United States |
| Period of origin | 2000 |
Problems
| Controller 9 | |
|---|---|
| Phytophthora | Some susceptibility |
| Bacterial canker | Very susceptible |
| Root knot nematode | Some susceptibility |
| Ring nematode | Some susceptibility |
| Root lesion nematode | Some resistance |
| Root suckers | Few |