What deficiency is often linked to blossom end rot in crops?

Blossom end rot is a physiological disorder commonly observed in crops like tomatoes, peppers, and eggplants, and it is specifically associated with calcium deficiency. Calcium plays a crucial role in the structure and function of plant cells, contributing to the integrity of cell walls. It is vital for the proper development of new tissue, particularly in actively growing areas like the tips of roots and new fruit.

When there is insufficient calcium in the plant, the outer tissues of the fruit may not develop properly, leading to poor structural integrity. This results in a water-soaked appearance at the blossom end of the fruit, which can eventually turn dark and decay. Factors that contribute to calcium deficiency include irregular watering practices, high nitrogen fertilization, and rapid fruit development that can outpace calcium uptake.

Recognizing the importance of calcium in preventing blossom end rot helps growers manage their crops more effectively by ensuring adequate calcium levels through proper soil management and fertilization strategies.