Gardening

Homemade Fungicide: [How to Prepare and 5 Examples]

Fungi in the orchard in the garden represent a problem that in many cases has a difficult solution.

Despite all the care given to a plant, unfortunately, they are susceptible to diseases or to the attack of pests of various species, which can sometimes cause death.

The development of parasites or the appearance of a disease in a healthy plant is, very often, a consequence of the bad conditions of the crop; lack of water, light, nutrients, among others.

It is advisable to grow the plant in an environment as similar as possible to its natural space, providing it with regular and balanced nutrition. And, it is worth inspecting the plant regularly to detect possible diseases and pests.

Once the disease or pest that affects the plants has been detected, effective actions can be carried out, including the application of acaricides, insecticides, fungicides or mixed products.

What is a fungicide?

Fungicides are generally products used to combat diseases caused by fungi, such as powdery mildew , Botrytis, Mildew, among others. The fungicides can be of the chemical type, of low and high intensity and of the natural type.

There are some natural substances that have antifungal activity, such as acetaldehydes, benzaldehydes, aldehydes, acetic acid, jasmonates and fusapirone, among others.

Nature also produces some essential oils that come from plants such as: cinnamon , coriander , cloves, eucalyptus, lemon , oregano , rosemary , sage , thyme and tea tree with which natural fungicides can be made.

   

Why use a natural fungicide?

Recent post-harvest research has shown that crops produce better performance when natural fungicides are used as alternatives to commonly used chemicals.

Within organic production, this constitutes a real and sustainable alternative to the serious growth problems presented by some types of fruit and vegetables destined for the fresh market.

The natural fungicide should be used on plants because, apart from caring for the environment, it protects the species from chemicals that can affect it.

Natural fungicides are used especially in those plants or crops that are medicinal or edible because those types go directly to human consumption.

   

What do I need to prepare a homemade fungicide?

Generally, what we need to prepare a homemade fungicide is the following:

  • Water.
  • Plants and / or crop leaves that repel possible pests and diseases (such as mint, lemon, eucalyptus, sage …).
  • A container where you can mix and store it.
  • A sprayer where to put the mixture.

Homemade fungicides, as their name indicates, are those that can be made with some plants or oils from them that are on hand, such as cinnamon, eucalyptus branches, some fruits such as lemon, etc.

In addition to the plant material, plant or oil, there must be materials such as containers for cooking, pots, jars, etc .; wooden spatulas or spoons to stir infusions, strainers and heat sources kitchens, lighters or campfires.

Of course we must have the necessary implements for the management and use of natural fungicides, including sprayers, filters, containers to deposit the preparation and take precautionary measures for any type of allergies to natural elements.

   

How to prepare a homemade fungicide step by step?

There are various methods to prepare homemade fungicides step by step, the most important thing is to have on hand the ingredients of the type of fungicide you want to use, as well as the materials to make it.

In a study carried out by researchers and experts from the FAO Institute for Sustainable Development (2010), the preparation of a homemade Chamomile infusion is collected to prevent diseases caused by fungi that affect vegetables.

There, it is recommended to prepare a liter of infusion for which the following supplies and materials should be used:

  • 25 grams of flowers of chamomile (Matricaria chamomilla recutita or M.) in fresh or dried state.
  • 1 liter of hot water.
  • 1 container with a capacity of one liter. Preferably plastic.
  • 1 filter.

Steps to carry out for its elaboration:

  1. Place the 25 grams of chamomile flowers in a liter of hot water
  2. Let stand for a space of half an hour.
  3. Filter and apply immediately directly to the plant.
  4. Apply undiluted, spraying the plant

This infusion has properties as a natural fungicide and provides nutrients to the plant as it concentrates calcium, sulfur and potassium . In young plants it controls the fungi that cause rotting of the foot of the plant.

   

Example 1: Natural and homemade fungicide for tomatoes

The tomatoes are one of those plants that most of us like to grow but are often susceptible to fungal diseases such as early blight, late blight, mold on the leaves, wilting by fusarium and more.

Here we show you a small recipe that may help you stop these undesirable fungi that attack your tomato plants:

Ingredients:

  • 1 bulb of garlic .
  • 2 tablespoons of cinnamon oil.
  • 4 hot peppers.
  • Juice of one lemon.
  • Mix these ingredients and put them in a bucket overnight. The next day, strain the mixture through a strainer to remove all solid elements.
  • Add four tablespoons of this mixture to three liters of water in a spray bottle. Spray both the top and bottom of the leaves when signs of a fungal disease are seen.

   

Homemade Fungicide Example 2: Apple Cider Vinegar

This simple ingredient has rescued several of my plants from some fungi over the years, although it does need to be sprayed every few days; without going over.

Simply add four tablespoons of apple cider vinegar to three liters of water. Spray this mixture first thing in the morning so the acid and sun don’t burn the foliage.

This spray is interesting to combat scab, black spot, leaf spot, and mold, and is suitable to use every few weeks as a preventative spray.

Homemade fungicide example 3: Horseradish

I have planted horseradish to use as a fungicide because it is so powerful.

Ingredients:

  • 1 glass of horseradish.
  • 200 milliliters of water.
  • Soak overnight. In the morning strain the mixture and add it to a liter of water. Spray liberally on your plants.

Be very careful and avoid getting this in the eyes!

   

Natural fungicide example 4: Corn flour

This is another simple homemade fungicide. I have had success with this spray on fruit trees, roses, and zucchini.

Ingredients:

  • 1 cup or container flour corn .
  • 20 liters of water.
  • Let stand 24 hours, strain and spray directly on the leaves of your plants.

Natural fungicide example 5: Aspirin

Aspirin has helped people for centuries, also a wonder in the garden. We have seen many ways to prepare this fungicide spray, however through trial and error, this is the solution that has given us the best results.

Ingredients:

  • 1 aspirin.
  • 1 liter of water.
  • Crush the aspirin powder and add it to the water. Spray your plants liberally every two weeks during the growing season. This is a good mix to spray every two weeks or so to prevent, too.

   

Sometimes prevention is better than cure

Before you start using household fungicides, consider whether you can control the problem by simply adjusting your watering schedule. We really like the drip irrigation option because it avoids many of these problems and keeps the soil where we are planting our plants or flowers hydrated.

Powdery mildew can arise in exceptionally dry conditions, especially when you have hot and / or dry days and cool nights. If you are growing plants that are susceptible to drought stress, make sure they are regularly watered during peak summer heat .

Air circulation is one of the biggest factors in many yeast infections, and you may be able to control powdery mildew and other fungal problems by spacing the plants and giving them more room for each other. Do selective pruning to increase airflow through the affected area.

And if you’ve had a problem with powdery mildew in the past, one of the best things you can do is make sure to select plants that are resistant to powdery mildew in the future. Some varieties are less susceptible to the fungus, and are advertised as resistant varieties in seed catalogs and at garden centers.

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