Pesticides for Bacterial Canker of Stone Fruits

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Stage of Development: Dormant
Recommended Product Choices	Grp1	Amount per		REI2	PHI3 (days)	Precautions and Notes
		Ha	Acre...
copper oxychloride (Copper Spray 19146)	M1	6-9 kg	2.4-3.6 kg	48 h	n/a	Apply in early spring before bud break.
copper octanoate (Cueva Commercial) 31825	M1	Prepare 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)	M1	6-9 kg	2.4-3.6 kg	48 h	n/a	Apply in early spring before bud break. Maximum 2 applications per year.
Copper hydroxide (Parasol) 25901	M1	8.8 - 13.1 L	3.5 - 5.3 L	48 hrs	2 days	Use low rate for small trees, high rate for large trees.

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) 30591	24	100 ppm (5 L/1000 L water)	100 ppm (5 L/1000 L water)	12 h	30	For 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.

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)	M1	6-9 kg	2.4-3.6 kg	48 h	n/a	Apply when at least 75% leaves have fallen to protect leaf scars.
copper octanoate (Cueva Commercial) 31825	M1	Prepare 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) 25901	M1	8.8 - 13.1 L	3.5 - 5.3 L	48 hrs	2 days	Apply when 3/4 leaves have fallen. Use low rate for small trees, high rate for large trees.

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.