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Common spring illnesses and how to prevent them in time

With the arrival of spring, not only do pests increase, but the first fungal diseases also begin to appear in orchards and gardens. Increased humidity, temperature changes, and active plant growth create the ideal environment for fungi such as powdery mildew, downy mildew, and botrytis to thrive.

Detecting them early and acting preventively is essential to avoid major damage during the season.

Table of Contents

Why do illnesses increase in spring?

In spring, several factors combine to favor the appearance of diseases:

  • Higher ambient humidity
  • Intermittent rain
  • Mild temperatures
  • Younger shoots are more sensitive

If plants are weakened after winter or have suffered early pest infestations, the risk increases considerably. That's why it's important to maintain a preventative approach from the start of the season.

Powdery mildew: the white powder that weakens the plant

Powdery mildew is one of the most common diseases in spring. It appears as a white powder on leaves and stems, reducing photosynthetic capacity and weakening the plant.

Acting in the early stages prevents the disease from spreading rapidly.

Downy mildew: spots and necrosis on leaves

Mildew usually appears in high humidity conditions and can cause yellow or brown spots that evolve into necrosis.

Good ventilation and preventative treatments help reduce its incidence.

Botrytis: the risk in humid environments

Botrytis, also known as gray mold, is especially prevalent in damp and poorly ventilated environments. It can appear on leaves, stems, and even fruit.

Prevention is key, because once it is established it can spread rapidly.

How to prevent diseases before they spread

Some recommended practices are:

  • Avoid overwatering
  • Improve ventilation between plants
  • Remove damaged leaves
  • Apply preventative ecological treatments

Prevention significantly reduces the pressure of disease throughout the spring.

PROT-ECO Ecological Solutions

PROT-ECO offers specific solutions for the control and prevention of fungal diseases:

  • Oidioprot : indicated for the control of powdery mildew
  • Botryprot : specific against botrytis
  • Phytoprot Max : strengthens the plant's natural resistance

👉 See PROT-ECO ecological treatments against diseases

Frequently Asked Questions

Is it normal for fungus to appear at the beginning of spring?

Yes. The humidity and temperature conditions favor its development at this time of year.

Should I wait until I see serious damage before treating it?

No. Early prevention is much more effective and avoids more intensive treatments later.

Do organic treatments work preventively?

Yes. Many organic products are specifically designed to be used preventively and to strengthen the plant.

Conclusion

Spring diseases are a common risk, but they can be effectively controlled if detected and prevented early. Proper management and the use of organic solutions help maintain healthier, more balanced plants throughout the season.

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