Growth Promotion of Rice (Oryza sativa L.) Seedlings Using Plant Growth-Promoting Rhizobacteria (PGPR) Isolated from Northwest Ethiopia

Table 3

Colony morphology of cyanobacteria isolates.

Morphology of the isolate	Cyanobacterial isolates
	C1	C2
Colonial vs filamentous	Coiled filament	Colonial
Color	Greenish	Greenish
Margin	Entire	Entire
Form	Unbranched filament	Circular
Gram reaction	—	—
Shape	Spherical bed like	Cylinderical