永春北硿华侨茶果场龙坑管理区1962年种植的福桔、芦柑于1967年开始结果后,植株生长健康,叶色绿,开花结果正常,但自1978—1982年,几年间均发现在幼果发育过程中产生砂囊、汁胞的干枯失水及后期的严重落果。突出的症状是果实中心柱木栓化,种子干瘪,汁胞干缩,果面凹凸不平,着色不均,果实不长大,味酸,品质差,产量低。 Yongchun Beibei Huaqiao Tea Field Longkeng Management Area Fukui planted in 1962, the results of citrus in 1967, the plants grow healthy, green leaves, flowering results are normal, but from 1978 to 1982, were found in a few years During the development of young fruit, the sand capsule is produced, the dry and dehydration of juice cells and the serious fruit drop in later period. Prominent symptoms of the center of the column of fruit plugs, shriveled, juice shrinkage, uneven fruit surface, uneven coloring, the fruit does not grow, Pickle, poor quality, low yield.