Powdery Mildew

Powdery Mildew

  • Most commonly found on peas and cucurbits (squash, melons, cucumbers).
  • Caused by high humidity, shady locations, crowded planting. susceptible plants.
  • Apply preventative applications of sulphur based fungicides PRIOR to seeing mildew.

Blossom End Rot

  • Blossom end rot effects tomatoes, peppers, squash, zucchini and watermelons.
  • Begins as a water-soaked spot near the blossom end of the fruit. spreads and turns dark brown and cracks. by inconsistent watering; create a rigid schedule! Water in am at same time, water in pm at same time.
  • Mulch plants to conserve moisture.
  • Can also be caused occasionally by calcium deficiency; incorporate bone meal or high calcium granular tomato food into soil when planting.
Early Blight

Early Blight of Tomatoes

  • A common fungal disease that causes spots on tomato foliage.
  • Typically affects older leaves closest to the ground and then moves upwards causing newer growth to die, eventually affecting the whole plant.
  • Avoid wetting the foliage when watering, remove lower leaves.
  • Do not compost plants as the spores overwinter.

Late Blight

  • Attacks all the above ground parts of the tomato.
  • Most often occurs during consistently cool, rainy weather.
  • Spores spread by wind.
Potato scab

Potato Scab

  • Tan/dark brown scabs on tubers. Is only aesthetic—tubers are edible!
  • Most severe in warm, quick drying soils, and at a high pH soil range (alkaline).
  • Plant certified stock. Rotate potato crops every 3-4 years.
  • Ensure consistent moisture as tubers are forming
  • Ammend soil with sulphur or Aluminum Sulphate (to lower soil pH).