Linked from
The 12 pages that link to Fungicide, each with the reason it gives.
PesticideBroader topic: Fungicides control fungal diseases affecting crops and other plants.
InsecticideCompared with: Fungicides target fungal pests rather than insects.
Phytophthora infestansRelated: Despite the name, fungicides are also used to manage this oomycete.
AgrochemicalBroader topic: Fungicides target crop pathogens that cause diseases and reduce yields.