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Common chicory > Powdery mildew
How Does Powdery Mildew Affect Common chicory Plants?
Common chicory, also known as Wild succory, Blue dandelion
Powdery mildew is a fungal disease impacting Common chicory's health and productivity. It manifests as white, powdery spots on leaves, stems, and sometimes fruits. Over time, it adversely affects growth, photosynthesis and can lead to plant death if untreated.

Symptom Analysis

On Common chicory, powdery mildew initially appears as irregular, white to pale yellow spots that progressively cover leaves, petioles, and stems. Severely affected leaves may turn brown, dry, and crumble.
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What Causes Powdery mildew Disease on Common chicory?

Pathogen
The fungi from the Erysiphaceae family, especially Erysiphe cichoracearum, is the primary pathogen causing powdery mildew.
Environmental conditions
High humidity, mild temperatures, and poor air circulation favor the development and spreading of this disease.
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How to Treat Powdery mildew Disease on Common chicory?

Non pesticide
Pruning: Prune and destroy severely infected leaves to reduce the fungal load.

Improve air circulation: Space plants appropriately to enhance air circulation and reduce fungal spreading.
Pesticide
Use fungicides: Apply sulfur-based fungicides or bio-fungicides as per directed on the package.

How to Prevent Powdery mildew on Common chicory?

Crop rotation
Rotate with non-susceptible crops to break the disease cycle.
Resistant varieties
Planting disease-resistant cultivars can be an effective preventative measure.
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When is Powdery mildew Most Active Period on Common chicory?

Powdery mildew is most active during the warm and dry periods of the year when nights are cool, and humidity is high.

Infectivity

The disease is highly infectious, as fungal spores can be easily carried by wind, splashing water, tools, or human contact.

Lethality

While it's not immediately deadly, if left untreated, powdery mildew can cause significant damage and potentially lead to the death of the Common chicory.

FAQs on Common Chicory

How rapidly can Powdery mildew spread on Common chicory?
If environmental conditions are favorable, Powdery mildew can spread rapidly and can infect the entire plant within a few days.
Can Powdery mildew disease be completely eradicated from my Common chicory?
While it is challenging to completely eradicate powdery mildew once it has invaded, with proper management techniques, its impact can be significantly reduced.
Does Powdery mildew only affect the leaves of Common chicory?
No, while leaves are commonly affected, powdery mildew can also infect the stems, flowers, and occasionally the fruit.
What effect does Powdery mildew have on Common chicory's yield?
Powdery mildew can lead to reduced yield as the disease weakens the plant and disrupts its normal function.
Is Powdery mildew harmful to humans?
No, powdery mildew isn't harmful to humans but can negatively affect the health and productivity of the Common chicory.
Should I remove a Common chicory plant severely infected with powdery mildew?
Yes, prune and discard severely infected plants to prevent further spread to surrounding healthy plants.
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