|
distribution in root cortex
|
mostly in thin roots with only one or few cortex layers
|
|
auxiliary cells
|
absent
|
|
hyphae at entry point
|
not prominent
|
|
intraradical hyphae
|
smooth, rare, 3 - 4 um in diameter; whole infection of "Paris"
type, with few interconnecting hyphae visible
|
|
arbuscules
|
very abundant in most colonies
|
|
vesicles
|
usually in low numbers, rarely numerous at later stages, length
35 - 40 um, usually round
|
