ONTOGENY OF MONO- AND DIKARYOTIC HAUSTORIA OF PUCCINIA CORONATA AVENAE: ULTRASTRUCTURE, CYTOCHEMISTRY AND ELECTRON-PROBE X-RAY ANALYSIS

Puccinia coronata Cda. f. sp. avenae Eriks. was chosen for a study of haustorial development during the dikaryotic (D) and monokaryotic (M) life cycles. Less extensive studies were carried out on the D-haustoria of P. graminis Pers. f. sp. tritici Eriks. and Henn. Haustorial development was st...