Treatment | Date | Rate | Application method |
---|---|---|---|
(1) Oxytetracycline hydrochloridez | June 21 or June 22 | pressurized macroinjection | |
(2) Oxytetracycline hydrochloridez | June 26 or June 27 | 0.6 grams in 9 ml water per 2.5 cm tree diameter | pressurized microinjection |
(3) Oxytetracycline hydrochloridez+ PBZy | June 21 or June 22 + June 1 or June 2 | 0.6 grams in 150 ml water per 2.5 cm tree diameter + 4 grams a.i. per 2.5 cm tree diameter (rate F from Cambistat application rate card) | pressurized macroinjection + basal drench |
(4) Oxytetracycline hydrochloridez + PBZy | June 26 or June 27 + June 1 or June 2 | 0.6 grams in 9 ml water per 2.5 cm tree diameter + 4 grams a.i. per 2.5 cm tree diameter (rate F from Cambistat application rate card) | pressurized microinjection + basal drench |
(5) PBZy | June 1 or 2 | 4 g a.i. per 2.5 cm DBH | basal drench |
(6) Surfactant + phosphitex | June 5 | 2.5% solution + 25% solution in 1.5 liters | trunk spray from the ground to 2 m |
(7) Oxytetracycline phosphatew | June 29 | 0.6 grams in 9 ml water/2.5 cm tree diameter | pressurized microinjection |
(8) Untreated control | - | - | - |
↵zBacastat OSC, Rainbow Treecare Scientific Advancements, Minneapolis, MN, U.S.
↵yCambistat, Rainbow Treecare Scientific Advancements, Minneapolis, MN, U.S.
↵xAgrifos, Agrichem Manufacturing Industries Pty. Ltd., Loganhome, Queensland, Australia
↵wBacastat OSP, Rainbow Treecare Scientific Advancements, Minneapolis, MN, U.S.