Preventing Blossom End Rot in Florida Market Eggplant

Blossom end rot is a common physiological disorder that affects eggplants, including the Florida Market variety. It is characterized by dark, sunken lesions that develop at the blossom end of the fruit, rendering it unmarketable. This condition is caused by a calcium deficiency in the developing fruit, which can be exacerbated by fluctuations in soil moisture levels.

Factors Contributing to Blossom End Rot

Several factors can contribute to the development of blossom end rot in Florida Market eggplants:

• Calcium deficiency: Insufficient calcium uptake by the fruit can lead to the development of blossom end rot. This deficiency can be caused by imbalances in soil pH, excessive nitrogen levels, or inadequate calcium availability in the soil.
• Fluctuating soil moisture: Inconsistent watering practices, such as alternating periods of drought and excessive moisture, can disrupt calcium uptake and transport within the plant, increasing the risk of blossom end rot.
• Environmental stress: High temperatures, particularly during fruit development, can exacerbate blossom end rot. Additionally, excessive humidity and poor air circulation can contribute to the problem.

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Preventive Measures

To prevent blossom end rot in Florida Market eggplants, it is important to address the underlying causes and implement appropriate preventive measures:

Soil preparation: Before planting, ensure that the soil pH is within the optimal range of 6.0 to 6.5. Conduct a soil test to determine the calcium levels and make necessary amendments if deficient. Incorporate organic matter, such as compost or well-rotted manure, to improve soil structure and nutrient availability.

Proper watering: Maintain consistent soil moisture levels by providing regular, deep irrigation. Avoid overwatering, as it can lead to waterlogged conditions that hinder calcium uptake. Mulching around the plants can help retain soil moisture and regulate temperature.

Calcium supplementation: Apply calcium-rich amendments, such as gypsum or agricultural lime, to the soil before planting. This can help ensure an adequate supply of calcium for the developing fruit.

Temperature and humidity control: Provide adequate ventilation and spacing between plants to promote air circulation and reduce humidity levels. Consider using shade cloth or other methods to protect the plants from excessive heat.

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By implementing these preventive measures, you can minimize the risk of blossom end rot in Florida Market eggplants and promote healthy fruit development.

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