Calcium Deficiency
Calcium Deficientia
About Calcium Deficiency
Calcium deficiency in tomatoes is the primary cause of Blossom End Rot (BER). It occurs when calcium transport fails during rapid fruit cell wall development, often triggered by irregular watering rather than soil calcium absence.
Taxonomy & Features
Seasonal Outbreak Calendar
Outbreak risk and activity timeline for Calcium Deficiency based on seasonal climate patterns:
Prevention & Cure
Natural & Organic Methods
- Maintain consistent, even soil moisture by mulching to ensure continuous calcium uptake.
- Apply crushed eggshells, dolomite lime, or bone meal to the soil during planting.
Chemical & Professional Control
- Foliar spray with 0.5% Calcium Nitrate [Ca(NO₃)₂] or Calcium Chloride at active fruit set.
- Apply agricultural gypsum (Calcium Sulfate) to soil to supply calcium without altering soil pH.
Recommended diagnostics based on crop family and symptoms:
Remedy Disclaimer & Safety Notice
This disease guide is for educational screening purposes only. Pathogen behavior, severity, and host susceptibility can vary dramatically based on seed variety, weather conditions, and regional microclimates. Chemical pesticides and organic treatments are subject to strict regional environmental regulations and registration mandates. Please verify all chemical registrations and review manufacturer safety labels carefully with local certified agronomists or agricultural extension service offices before applying.