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红湖农场六队七七年种植的甜橙135.6亩,10850株,品种是柳橙和红橙。八○年出现秋梢局部黄化的有2301株,发病率占21.2％。当时认为是管理不善,缺肥造成的黄化,因此,八一年春对上述黄化树每株增施猪屎20斤,花生麸1斤,菜籽饼1.5斤,并加强田间管理,但是经过一年高标准的管理,八二年春,春梢仍不转绿,黄化树继续发展,同年六月调查黄化树,发病率增加到21.5％,以后采取彻底挖除黄化树的措施。
Honghu Farm six teams of seven seventy-seven grown sweet orange 135.6 mus, 10850 strains of varieties are orange and red orange. Occurred in autumn tip of the local yellowing of 2301 strains, the incidence rate of 21.2%. At that time, it was thought to be yellowing caused by poor management and lack of fertilizer. Therefore, in the spring of August, 20 kg of pig feces, 1 kg of peanut bran and 1.5 kg of rapeseed cake were added to each of the above yellow trees and farm management was strengthened. However, after one year In the spring of 1982, the spring shoots did not turn green, and the yellow tree continued to develop. In June of the same year, the yellow tree was surveyed, the incidence rate increased to 21.5%. Afterwards, measures were taken to completely remove the yellow tree.