“柑桔抗冻理论及其应用技术研究”课题由农牧渔业部下达,湖南省园艺研究所主持,中国农科院农业气象室、湖南省气象研究所等单位于1978～1986年开展了协作研究。以湖南省的主栽品种“温州蜜柑”及普通甜橙为研究对象,采取田间试验和室内人工模拟试验相结合的方法,对全省的柑桔分布规律、类型、成因、特点和指标,以及冻害早期诊断和防冻技术进行了 “Citrus antifreeze theory and its application technology research” issue issued by the Ministry of Agriculture and Animal Husbandry and Fisheries, Hunan Institute of Horticulture, chaired by the Chinese Academy of Agricultural Sciences Meteorological Office, Hunan Provincial Meteorological Institute and other units in 1978 to 1986 to carry out collaboration the study. Taking the main varieties of Wenzhou Satsuma and ordinary sweet orange as the research objects in Hunan province, the law, type, origin, characteristics and indexes of the citrus in the province were taken by field experiment and indoor artificial simulation. Frost damage early diagnosis and antifreeze technology was carried out