The book introduced 17 diseases, 119 insect pests, 20 weeds, 7 nutrition deficiencies, 7 non-biotic damages, and 25 pesticide damanges on Guava tree in central Taiwan.

• 本书记载病害17种，虫害及有害动物119种，番石榴园杂草20种，营养缺乏症7种，非生物性因子伤害7种，药害25种，详细说明中部地区番石榴病虫及各种害物发生情形。