柑桔冻害是我国长江流域的湘、鄂、浙、苏、皖及闽北等部分柑桔产区生产上存在的一个突出问题 ,平均每 8～ 10年发生一次较严重冻害 ,给柑桔生产和果农造成无法估量的损失。因此 ,采取行之有效的避冻、抗冻害栽培措施是发展柑桔生产的一个关键性问题 ,对促进柑桔早产、丰产、稳 Citrus frost damage is one of the prominent problems in the production of some citrus producing areas in Hunan, Hubei, Zhejiang, Jiangsu, Anhui and northern Fujian in China’s Yangtze River basin. An average of every 8 to 10 years occurred once more serious frost damage to citrus production And fruit farmers caused incalculable losses. Therefore, taking effective measures of freezing and frost damage cultivation is a key issue for the development of citrus production, and it is of great importance to promote premature birth, high yield and stability of citrus fruits