The article highlights the impact of the ongoing conflict between Ukraine and Russia, which has disrupted Ukrainian watermelon supplies to Eastern European markets, including Poland and the Baltics. The reduction in Ukrainian supply has led to a surge in prices for watermelons from other countries like Hungary and Greece. The absence of Ukrainian watermelons in these markets has benefited Spanish watermelon sales. Additionally, the article mentions a decrease in watermelon prices in Ukraine due to mass collection and a reluctance from retail chains to purchase large-caliber watermelons.