Subcategories:
— associated with particular type of plant (38)
— characterized by part affected or appearance produced (21)
— type of disease (239)
— damage due to environmental conditions (16)
— baleful influence or resulting state (3)
— wound (1)
— gall or abnormal growth (43)
— property of being injurious to plants (8)
— movement of poison through plant (1)
— resistance of plant to disease (2)
— study of diseases (1)