Anthracnose and powdery mildew at flowering decide the entire mango crop. A protectant programme timed to panicle emergence is worth more than any post-harvest intervention.
- Grown in
- India, Nigeria, Ghana, Kenya, Pakistan, Mexico
- Season
- Perennial, one main flush per year
- Soil & pH
- Deep, well-drained soil, pH 5.5–7.5
What to scout for on Mango
- Black sunken spots on fruit that expand after picking — anthracnose
- White powdery film on panicles that aborts flowers
- Gummy exudate from trunk cankers
- Fruit-fly sting marks and internal larvae
Diseases that attack Mango
Products you can buy for Mango
Typical registered products for the diseases above, with active ingredient, mixing rate, spray interval and pre-harvest interval. Rotate FRAC/IRAC groups to avoid resistance.
Wettable sulphur 80% WG
Active ingredient: Sulphur
- Dose:
- 2–3 g per litre (2–3 kg/ha)
- Interval:
- Every 10–14 days
- PHI:
- 1 day
Cheapest effective option. Do not apply above 32 °C or within 14 days of an oil spray — it will burn foliage.
Potassium bicarbonate
Active ingredient: Potassium bicarbonate
- Dose:
- 5 g per litre + 1 ml non-ionic wetter
- Interval:
- Every 7 days while pressure lasts
- PHI:
- 0 days
Collapses existing colonies on contact. Ideal for kitchen gardens and pre-harvest sprays.
Myclobutanil 10% WP
Active ingredient: Myclobutanil
- Dose:
- 0.4 g per litre (400 g/ha)
- Interval:
- Every 14 days, maximum 2–3 sprays per season
- PHI:
- 3–7 days
Rotate with a non-DMI product; repeated DMI use is the main driver of mildew resistance.
Neem oil (azadirachtin 1500 ppm)
Active ingredient: Azadirachtin
- Dose:
- 3–5 ml per litre + emulsifier
- Interval:
- Every 7 days, evening application
- PHI:
- 0 days
Suppressive rather than curative; also controls aphids and whitefly in the same pass.
Chlorothalonil 75% WP
Active ingredient: Chlorothalonil
- Dose:
- 2 g per litre (1.5–2 kg/ha)
- Interval:
- Every 7–10 days
- PHI:
- 7 days
Backbone protectant for Septoria and Cercospora leaf spots. Full leaf coverage, including undersides, is essential.
Mancozeb 80% WP
Active ingredient: Mancozeb
- Dose:
- 2.5 g per litre
- Interval:
- Every 7 days
- PHI:
- 7 days
Adds zinc and manganese nutrition alongside disease control.
Doses shown are typical registered field rates. Always read the product label, confirm the product is registered for your crop and country, respect the pre-harvest interval (PHI), and wear the protective equipment the label specifies. PlantWatch AI provides agronomic guidance, not a legal spray recommendation.
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