Increased ‘Red Hyang’ Fruit Splitting Due to Climate Change Reduced Through Cultivation Management Techniques

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The Rural Development Administration (Administrator Lee Seung-don) is producing cultivation management guidebooks in collaboration with the Jeju Special Self-Governing Province Agricultural Research & Extension Services and the Red Hyang Association to reduce damage from 'Red Hyang' fruit cracking, which is increasing due to climate change, and is promoting the dissemination of practical field-oriented techniques. 'Red Hyang' is a late-maturing citrus variety known for its high sugar content and excellent flavor, but its thin skin makes the fruit prone to cracking. Recently, damage from fruit cracking has been increasing due to rapid changes in weather conditions, such as summer heatwaves, tropical nights, and irregular precipitation. While the average fruit cracking rate for 'Red Hyang' was around 15–20%, it reached 38.4% in 2024, when temperatures were high, and 30… in 2025

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