How to Prevent and Treat Rumple Physiopathy of Lemon

Categories : Chronology , Citrus fruits

Index

What is Rumple physiopathy or wrinkling of the peel ?

prevenire e curare il Rumple o raggrinzimento della buccia del limone

"Rumple" physiopathy or wrinkling of the peel is a problem that manifests itself with deformations and roughness of the skin in citrus fruits, particularly in lemons. This condition is attributed to nutritional imbalances, environmental stress, and inadequate irrigation. Let's see how to recognize, prevent and treat it.

What is rumple physiopathy or wrinkling of the skin?

Lemon Rumple is a pathophysiology caused by combined factors such as:

Extreme heat, especially in the summer months (June, July, August).
Calcium deficiency, an essential element for the formation and quality of the skin.
Excess nitrogen, which can unbalance the growth of the plant and promote the onset of the problem.
Wrong irrigation, both by excess and by deficiency.

Fruits affected by Rumple have an irregular and wrinkled surface, with serious repercussions on their marketability.

How to prevent rumple in citrus fruits

1. Balanced irrigation management

Irrigate at least twice a week in the warm months (June-August).
Ensure uniform and constant water distribution to avoid water stress.

2. Targeted foliar calcium interventions

Before fruit set : use foliar glycine products that provide anti-stress support for the plant.
After fruit set : Apply Calbit C by foliar application immediately after fruit set at least 3-4 times (or more, depending on the susceptibility of the variety).

3. Management of nitrogen nutrition in fertigation

Administer calcium nitrate until flowering to promote balanced development.
After flowering, avoid excess nitrogen, then nitrates and adopt a balanced fertilization of citrus fruits that includes all the main nutrients.

4. Protection from environmental factors

In periods of extreme heat, consider the use of shade nets to reduce heat stress.

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How to treat rumple symptoms

If symptoms are already present:

1. Corrective interventions on irrigation

Establish a regular watering regime to reduce plant stress.

2. Calcium Applications

Foliar treatments with calcium complex-based formulations to improve the quality of the skin.

3. Balancing fertilization

Integrate macro and microelements into fertigation to avoid imbalances, such as Master supreme flowering 8.24.24 at a dose of 30 kg/ha + HAIFA micro comb at a dose of 5 kg/ha).

4. Use of biostimulants

Administer biostimulants based on amino acids and algae to promote resistance to environmental stresses.

The physiopathy wrinkling of the peel 0 "Rumple" in lemons and citrus fruits can be managed with proper irrigation, nutritional and agronomic planning. Prevention is always more effective than cure: special attention to the summer months and balanced nutrition can make a difference in the quality of the harvest.

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