(n.) The science of diseases to which plants are liable.

algology bathymetry botany bryology dendrology fungology hydrography hydroponics marine biology mycology oceanography paleobotany phycology physiological botany phytobiology phytochemistry phytoecology phytogeography phytography phytology phytomorphology phytonomy phytopaleontology phytopathology phytotaxonomy phytoteratology phytotomy phytotopography plant anatomy plant pathology plant physiology pomology structural botany systematic botany thalassography