Plant Health S

Host genus Fungal species Symptoms and notes
Salix Cryptomyces maximus Weak parasite of branches, sometimes correlated with mechanical damage
  Linospora capreae Implicated in development of leaf spots, but pathology uncertain
Sanguisorba Phragmidium sanguisorbae Rust of leaves, causing minimal damage to the plant
Sasa Arthrinium sp. P2584 Sporulating on conspicuous dead margins of leaves, but pathogenic status uncertain
Scilla Alternaria hyacinthi Causes leaf spot and bulb scale damage to Freesia, Hyacinthus orientialis and Scilla peruviana
  Cladophialophora scillae On leaf spots and moribund leaves of Scilla peruviana
Scorzonera Puccinia scorzonerae A rust on leaves
Secale Claviceps purpurea The ergot fungus, infecting inflorescences and forming sclerotia from modified seeds. Highly toxic
Sorbus Leucostoma massarianum Causes canker and dieback of twigs and young branches

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith