Pesticides for Bacterial Canker of Stone Fruits


Stage of Development: Dormant
Recommended Product Choices Grp1 Amount per REI2 PHI3 (days) Precautions and Notes
Ha Acre
copper oxychloride (Copper Spray 19146) M16-9 kg2.4-3.6 kg48 hn/aApply in early spring before bud break.
copper octanoate (Cueva Commercial) 31825M1Prepare 0.5-2% solution (5-20 L/1000 L water)Apply 470-940 L of mixture/ha when buds begin to swell, repeating at the bud burst stage and weekly thereafter as needed (maximum 6 applications per season). See bacterial canker description.
copper oxychloride (Guardsman Copper Oxychloride 13245)M16-9 kg2.4-3.6 kg48 hn/aApply in early spring before bud break. Maximum 2 applications per year.
Copper hydroxide (Parasol) 25901M18.8 - 13.1 L3.5 - 5.3 L48 hrs2 daysUse low rate for small trees, high rate for large trees.

Stage of Development: Dormant

Bacterial Canker of Stone Fruits

1Group number for resistance management. NC = not classified.
2Re-entry interval on the label. An asterisk(*) indicates that no re-entry is shown on the label, but the WorkSafe BC re-entry interval may apply and is shown.
3Pre-harvest interval. Note: always read and follow the directions on the pesticide label.

 

Stage of Development: Blossom
Recommended Product Choices Grp1 Amount per REI2 PHI3 (days) Precautions and Notes
Ha Acre
kasugamycin (Kasumin) 3059124100 ppm (5 L/1000 L water)100 ppm (5 L/1000 L water)12 h30For suppression of bacterial canker and control of blossom blast. Begin applications at early bloom. Repeat at 7 day intervals. Maximum of 4 applications per year.

Stage of Development: Blossom

Bacterial Canker of Stone Fruits

1Group number for resistance management. NC = not classified.
2Re-entry interval on the label. An asterisk(*) indicates that no re-entry is shown on the label, but the WorkSafe BC re-entry interval may apply and is shown.
3Pre-harvest interval. Note: always read and follow the directions on the pesticide label.

 

Stage of Development: Post-Harvest
Recommended Product Choices Grp1 Amount per REI2 PHI3 (days) Precautions and Notes
Ha Acre
copper oxychloride (Copper Spray 19146) M16-9 kg2.4-3.6 kg48 hn/aApply when at least 75% leaves have fallen to protect leaf scars.
copper octanoate (Cueva Commercial) 31825M1Prepare 0.5-2% solution (5-20 L/1000 L water)Apply 470-940 L of mixture/ha at 10% and 80% leaf fall (maximum 6 applications per season). See bacterial canker description.
Copper hydroxide (Parasol) 25901M18.8 - 13.1 L3.5 - 5.3 L48 hrs2 daysApply when 3/4 leaves have fallen. Use low rate for small trees, high rate for large trees.

Stage of Development: Post-Harvest

Bacterial Canker of Stone Fruits

1Group number for resistance management. NC = not classified.
2Re-entry interval on the label. An asterisk(*) indicates that no re-entry is shown on the label, but the WorkSafe BC re-entry interval may apply and is shown.
3Pre-harvest interval. Note: always read and follow the directions on the pesticide label.