Table 2.

Percentage of Casuarina glauca plants with cluster roots (8 weeks of treatment)

Treatment	+ Fe	ACC + Fe	– Fe	ACC – Fe	AIB	AVG (2 µm)	AVG (10 µm)	AOA (10 µm)	AOA (20 µm)	CoCl2 (10 µm)	CoCl2 (100 µm)	STS (50 µm)	STS (200 µm)
% plants with CR	40	100	90	100	20	40	20	30	30	30	20	40	30