Maestro
Captan Captan
MAESTRO® 80 WSP Fungicide provides outstanding control of a broad range of diseases including apple scab, grey mould, brown rot, sooty blotch, leaf spot, black rot, fruit rot, and mummyberry. It can be used on a wide range of horticulture crops. When used as directed, the active ingredient, captan, degrades in the soil and will not build up in the soil or soil water. MAESTRO has minimal or no impact on bees, predatory mites, beneficial insects, or earthworms.
For a full list of crops and application directions, refer to the product label.
Always read and follow label directions.
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Additional Product Details
All Crops
- Apple
All Pests & Diseases
- Anthracnose
- Bitter rot
- Black knot
- Black rot
- Brooks spot
- Brown rot
- Bullseye rot
- Cane spot
- Cylindrocarpon root rot
- Damping off
- Dead arm
- Downy mildew
- Early blight
- Fly speck
- Fruit rot
- Gray mold
- Late blight
- Leaf rot
- Leaf spot
- Mummy berry
- Phytophthora root rot
- Pythium damping off
- Pythium root rot
- Rhizoctonia root rot
- Root rot
- Scab
- Septoria leaf spot
- Shot hole
- Sooty blotch
- Spur blight
Quick Facts
- Higher yield, improved crop quality with minimal impact on the environment
- When used in rotation with other fungicides or in a tank-mix, the multi-site activity of MAESTRO reduces the risk of potential disease resistance to single-site fungicides
- Convenient water soluble sachets allows for easy mixing
- Controls a broad spectrum of key diseases in horticulture crops
- FRAC – Group M4 Fungicide
Formulation
Captan – 80% WP
Water-soluble packaging
| Crop | Disease | Rate (kg/ha) | Application Timing |
| Apple | Scab – sooty blotch, fly speck, Brook’s spot, bitter rot, black rot, bull’s eye rot Apple scab - tank mix with NOVA™ (myclobutanil) |
3.0 Tank-mix: use 340 g/ha of NOVA and one-half the recommended MAESTRO rate. Follow all directions for NOVA given on the NOVA label. |
Use preventatively under conditions of low to moderate disease pressure. If disease pressure is high, tank-mix MAESTRO with another fungicide registered for the same disease, or switch to another fungicide. High-density orchards: do not use more than 10 applications per year. Non-high-density orchards: do not use more than 2 applications per year. Begin at green tip up to and including second cover. If primary scab is under control, use the reduced rate in balance of cover sprays. Follow all directions for NOVA 40W as given on the NOVA 40W label. Consult provincial spray calendar for application timing. |
| Apricots | Brown Rot | 4.0 | Thorough coverage at pink bud up to pre-harvest. Do not apply more than one application per year. Apply up to 2 days before harvest |
| Cherries (Sour/Sweet) | Brown rot, Leaf spot | 4.0 | Apply in pre-bloom, bloom, petal fall, shuck, cover sprays and immediately after harvest. Leaf injury may result in the Schmidt and Emperor Francis varieties of sweet cherry in post-bloom sprays. Consult provincial spray calendar for variations in the spray schedule. May be applied up to 2 days before harvest of sweet cherries and up to 5 days before harvest of sour cherries. |
| Peach and nectarine | Brown rot, Scab | 4.0 | Apply as soon as pink bud, up to pre-harvest. Continue applications through harvest if conditions favour brown rot. May be applied up to 2 days before harvest. |
| Plum, prune | Black knot, Brown rot | 4.0 | Apply as soon as pink bud, up to pre-harvest. May be applied up to 2 days before harvest. |
| Strawberry | Grey mould rot, Leaf spot | 3.5 kg in 1,000 litres of water per hectare | Apply preventatively, when conditions are favourable to disease development. Apply under conditions of low to moderate disease pressure only. See label for conditions of high disease pressure. Apply at a minimum of a 7-day interval. Do not make more than 6 applications per year. May be applied up to 2 days before harvest. Do not use on greenhouse strawberry. |
| Raspberry | Fruit rot, Spur blight | 2.5 in 1,000 litres of water per hectare | Treat when conditions are favourable to disease development. Apply at a minimum of a 7-day interval. Do not make more than 6 applications per year. May be applied up to 2 days before harvest. Do not apply by air. |
| Loganberry | Cane spot, Fruit rot, Leaf spot, Spur blight | 1.5 to 2.25 kg in 1,000 litres per hectare | Apply preventatively, when conditions are favourable to disease development. Apply at a minimum of a 7-day interval. Do not make more than 6 applications per year. May be applied up to 2 days before harvest. Do not apply by air. |
| Blackberry | Fruit rot | 2.25 in 1,000 litres of water per hectare | Apply preventatively, when conditions are favourable to disease development. Apply at a minimum 7-day interval. Do not make more than 6 applications per year. May be applied up to 2 days before harvest. Do not apply by air. |
| Blueberry | Fruit rot, Mummyberry | 2.25 kg in 1,000 litres of water per hectare | Apply preventatively, when conditions are favourable to disease development. Apply at a minimum of a 7-day interval. Do not make more than 6 applications per year. May be applied up to 2 days before harvest. |
| Grapes | Dead arm, downy mildew | Dead arm – use 2 kg / ha Downy mildew – 2-3kg / ha |
Dead arm – apply when new shoots are 1-5cm long, then again when 10-15cm long. Do not apply more than 2 applications per year. Apply at a minimum of 7-day interval. Downy mildew - Do not apply more than 1 application per year. Do not apply within 7 days of harvest. |
| Pear | Scab, sooty blotch | 3.0 | Do not use on D’Anjou pears. Begin applications preventatively before infection becomes established. Apply under conditions of low to moderate disease pressures only. See label for conditions of high disease pressure. High-density orchards: do not use more than 10 applications per year. Non-high-density orchards: do not use more than 2 applications per year. |