Acospores infect young wheat plants
in autumn
Ascospores are ejected from the pseudothecia and spread by wind
(main fruit form) form on straw residues
Pseudothecia
Die Askosporen gelangen über die Stomata ins Blatt-innere und erzeugen Blattflecken
The black fruiting bodies form
in the leaf lesions
pycnidia
Pyknospores are thrown out of the pycnidia as "mucus rakes".
Pyknospores
(rain-borne) infect wheat plants
i
i
i
i
i
i
i