Why does the inside of the watermelon appear hollow?

Question

ForwardPlant Team · Accepted Answer

The hollow heart in watermelon is a physiological disorder, often linked to inconsistent growth conditions. It occurs when the fruit's outer rind expands faster than the internal flesh, creating air pockets. Key factors include rapid growth spurts due to abundant water and nutrients, followed by stress, or insufficient pollination leading to fewer seeds. Proper nutrient management, especially calcium and boron, and consistent irrigation are crucial for preventing this.

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