Stem injection | University of California, Davis | 1998 | Imazapyr (Stalker) | None | Undiluted |
| | 1998 | Imazapyr (Habitat) | None | Undiluted |
Cut stump | Putah Creek | 2001 | Glyphosate (Roundup Pro) | 50% water | 50% |
| | 2001 | Imazapyr (Chopper) | 80% Hasten oil | 20% |
| | 2001 | Triclopyr (Garlon 4) | 80% Hasten oil | 20% |
Stem injection | Putah Creek | 2001 | Glyphosate (Roundup Pro) | None | Undiluted |
| | 2001 | Imazapyr (Chopper) | None | Undiluted |
| | 2001 | Triclopyr (Garlon 4) | None | Undiluted |
Stump injection | Putah Creek | 2001 | Glyphosate (Roundup Pro) | None | Undiluted |
| | 2001 | Imazapyr (Chopper) | None | Undiluted |
| | 2001 | Triclopyr (Garlon 4) | None | Undiluted |
Basal bark | Putah Creek | 2001 | Imazapyr (Chopper) | 80% Hasten oil | 20% |
| | 2001 | Triclopyr (Garlon 4) | 80% Hasten oil | 20% |