Suaveolic Acid: A Potent Phytotoxic Substance of Hyptis suaveolens

Table 1

values of suaveolic acid for shoot and root growth of the test plant species.

Test plant species	Shoot growth		Root growth
	(μM)	Coefficient of correlation ()	(μM)	Coefficient of correlation ()
Garden cress	100.3	0.970	111.6	0.990
Lettuce	158.8	0.914	1155.2	0.847
Barnyard grass	Not converged	—	257.1	0.998
Italian ryegrass	235.6	0.878	75.8	1.00

The values were determined by a logistic regression analysis after bioassays.