Research Progress on Cold Resistance of Apricot Trees
Apricot (Prunus armeniaca) is one of the most economically valuable stone fruit crops in the Rosaceae family. Due to its drought resistance, strong resistance, and easy management, it is often used as a pioneer tree species for greening mountains and barren hills, and its role in rural revitalization and construction is becoming increasingly prominent. However, apricots bloom early, and weather conditions such as low temperatures in early spring and late frost can cause certain harm to apricot flowers and young fruits, reducing fruit setting and in severe cases causing crop failure. Temperature has become an important factor restricting the development of the apricot industry. This article provides a systematic review on the cold resistance, physiological and biochemical indicators, cold resistance characteristics of flower organs, exogenous hormones, and cold resistance gene regulation of different apricot varieties, providing reference and theoretical basis for in-depth research on the cold resistance mechanism of apricots and improving their cold resistance characteristics.
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