Rootstock comparison table
| Rootstock | Guardian |
|---|---|
| Summary | Guardian is a popular standard rootstock for peaches, the first with resistance to PTSL. |
| remove |
Using
| Guardian | |
|---|---|
| Species compatibility | Peach |
| Vigour % of standard | 105% |
Growing
| Guardian | |
|---|---|
| Rootstock size class | Standard |
| Precocity | Precocious |
Climate
| Guardian | |
|---|---|
| Cold-hardiness | Cold-hardy |
Identification
| Guardian | |
|---|---|
| Developer | Clemson University USDA ARS |
| Country of origin | United States |
| Period of origin | 1950 - 1999 |
Problems
| Guardian | |
|---|---|
| Bacterial canker | Some resistance |
| Root knot nematode | Some susceptibility |
| Ring nematode | Some resistance |
| Root lesion nematode | Some resistance |
| Honey / Oak root fungus | Some susceptibility |
| PTSL | Very resistant |
| Root suckers | Few |