Which nutrient is most commonly associated with the enhancement of fruit and flower development?

Phosphorus is the nutrient most commonly linked to enhancing fruit and flower development. This nutrient plays a crucial role in energy transfer within plants, especially through the formation of ATP (adenosine triphosphate), which is essential for various physiological processes. Phosphorus is key for the formation of DNA and RNA, which are vital for cell division and growth, particularly in reproductive structures.

Additionally, phosphorus encourages better root development, which allows plants to absorb more water and nutrients, indirectly boosting fruit and flower production. Its presence is particularly important during the flowering stage, as it supports the transition from vegetative growth to reproductive growth. Therefore, in the context of promoting fruits and flowers, phosphorus is integral to the overall development and quality of the yield.