Neem Oil Powdery Mildew Tomatoes
Neem oil and other horticultural oils can also combat mild cases of fungus.
Neem oil powdery mildew tomatoes. Here is the peony again the next day. Fungicides based on neem oil or jojoba oil can control powdery mildew. There is minimal damage to open blossoms a few varieties appear more sensitive and leaves will look shiny and clean. In addition stake tomato plants for better circulation.
Most of the mildew was removed but on a few of the leaves it has returned or possibly the spores were too firmly attached to be removed by the neem oil. Mildew and fungus resistant tomato varieties are available. These are labeled on the seed packet or plant tag. Powdery mildew thrives when nitrogen levels are high.
Per quart of water. We spray with 100 pure neem oil at a rate of 1 tsp. The neem oil on the other hand got rid of a good portion of the powdery mildew. Other ways to prevent powdery mildew on tomatoes.
1 gallon water 10ml neem oil 10ml soap castille soap 1 2t tsp baking soda. However don t apply the fungicidal oils when the tomato plants are drought stressed or temperatures are above 90 degrees f. Home made organic anti fungus spray and anti pest spray for vegetables and ornamentals.