How Do You Treat White Spots On Tomato Plants

How Do You Treat White Spots On Tomato Plants

I’m a master gardener who loves growing my own tomatoes, but tomato plants are susceptible to a few fungal diseases. The most common problem is the appearance of white spots on the leaves, stems and fruit. These spots are often caused by either of two fungi: Alternaria solani or Cercospora lycopersici. Both types of fungi can infect your entire plant if you don’t treat it early enough, so it’s important to identify these white spots as soon as possible and apply an effective remedy. Luckily, bleach and baking soda both help prevent and treat white spot fungus effectively!

How Do You Treat White Spots On Tomato Plants

Tomato plants are susceptible to fungus, and the fungus that causes white spots on tomato plants can also cause other problems. Fungus can be a problem if it’s not treated, but luckily there are simple solutions you can use to treat or prevent fungus on your tomato plant.

These solutions include:

  • Watering your tomatoes in the morning instead of the evening (or at least letting them dry out between waterings)
  • Keeping tomato leaves dry by watering at ground level rather than above the foliage
  • Using a fungicide spray when necessary

Mix one part bleach with 3 parts water to create a solution that will destroy fungus on your tomato plants.

To make the solution, mix one part bleach with 3 parts water. You can use a ratio of 1:3, 1:10, 1:100 and so on. If you want to be more precise, however:

  • For example, 0.1 liter (L) of 5% bleach mixed with 0.3 L water will give you a solution of approximately 3%.
  • If you want to know how much liquid you need for 100 liters (L) of 5% bleach mixed with 20 L of water? Multiply 50 times 60 times 100 which equals 30 kilo grams or 88 pounds!
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Dip a soft cloth or sponge into the bleach solution and wipe down the stems, leaves and any other affected areas of your tomato plant. Allow the plant to dry in direct sunlight.

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Mix two tbsp. of baking soda with one gallon of water. Pour the mixture over your tomato plants every five to seven days until the white spots disappear.

To treat white spots on tomato plants, mix two tbsp. of baking soda with one gallon of water. Pour the mixture over your tomato plants every five to seven days until the white spots disappear.

Be sure to use a watering can and water from above rather than pouring directly onto the plants themselves. This will prevent the mixture from burning their leaves and stem tips, which can be fatal to tomato plants. Also make sure that you evenly distribute it over all parts of the plant so that each plant is getting an adequate amount for treatment

Examine your plants daily for signs of white spots and other fungal diseases and treat immediately with either of these solutions.

If your plant does develop white spots, you’ll want to treat it as soon as possible. If left untreated, the disease can spread rapidly through your tomato plants and could even kill them.

To prevent white spot from developing on your tomatoes or other plants, keep an eye out for signs of other fungal diseases like powdery mildew or leaf spot. These are common in humid climates and can quickly turn into a problem if left untreated. If you notice any signs of these diseases, treat with either of these solutions immediately:

  • Fungicide – Mix 1 part baking soda with 4 parts water until dissolved and add hydrogen peroxide at the rate of 2 tablespoons per gallon of water. Spray thoroughly over all leaves on both sides once every three days until symptoms disappear (usually within one week). You can also use this homemade fungicide spray recipe from GardenGuidesOnline instead:
  • Home-Made Organic Fungicide Spray Recipe – Combine 1 teaspoon powdered cinnamon bark or cayenne pepper with 1 cup warm water; cover loosely for 24 hours; strain liquid into spray bottle; add 2 teaspoons horticultural oil (or any other vegetable oil); shake well before using according to label directions!
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Baking soda helps to fight against fungi!

If you’re looking for an alternative to bleach, baking soda is the way to go. Baking soda is naturally alkaline and can be used as a natural fungicide to treat white spots on tomato plants.

I hope these tips were useful for you. I find it’s always best to make sure that your plants are in optimal condition before fungus even gets a chance to rear its ugly head! With the right care, you should be able to prevent and treat fungus without much fuss.

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