1977年1、2月由于低温严寒的袭击,我所柑桔果树、苗木都受到建所二十余年来未曾有过的特大冻害,对生产、科研造成了很大损失。在省、地各级领导的指示下,对柑桔冻害情况进行一次较全面的调查,并采 Due to the cold and cold attack in January and February 1977, the fruit trees and nursery stocks of citrus trees in Hong Kong were greatly frostbolted by the Institute for more than 20 years and caused heavy losses in production and scientific research. Under the instructions of the leaders at all levels of the province and the province, a more complete investigation on the freezing injury of citrus fruits was conducted and adopted