Table 4

Genera of fungi identified on ungerminated seeds from each sanitation treatment and the control.

GenusTreatment
12345678910
Alternariaz
Fusariumz
Rhizoctoniaz
Botryosphaeriay
Chaetomiumy
Epicoccumy
Ulocladiumy
Aspergillusx
Cladosporiumx
Penicilliumx
Mortierellw
Mucorw
Phaeoacremoniumw
Pyrenochaetaw
Rhizopusw
Unknown
  • z Genera known to contain species that are known to cause seed or seedling death.

  • y Genera known to contain species that show weak pathogenicity that can cause death of damaged seeds or low-vigor seedlings.

  • x Saprophytic genera that feed on dead or decaying seed tissue and can cause seed death if seeds are stored incorrectly or if seeds are damaged. These genera do not harm seedlings.

  • w Not known to cause disease in conifer seeds or seedlings.