Table 1.

Leaf area consumed by Plutella xylostella larvae and antifeedant index (AI) values resulting from aqueous extracts of Ludwigia spp. after food exposure.

Treatment	Leaf Area Consumed (cm2)		p-Value	AI %	Classification
AQUEOUS EXTRACT
Choice Bioassay
	Control	Extract
L. tomentosa	0.42 ± 0.12 A	0.08 ± 0.03 B	0.0088	52.13	Phagodeterrent
L. longifolia	0.15 ± 0.07 A	0.09 ± 0.02 A	0.8451	(−)15.53	Phagostimulant
L. sericea	0.21 ± 0.06 A	0.10 ± 0.03 A	0.3254	11.49	Phagodeterrent
L. nervosa	0.11 ± 0.03 A	0.23 ± 0.06 A	0.1387	(−) 27.58	Phagostimulant
ETHANOLIC EXTRACT
Choice Bioassay
	Control	Extract
L. tomentosa	0.31 ± 0.10 A	0.23 ± 0.06 A	0.7617	8.18	Phagodeterrent
L. longifolia	0.28 ± 0.05 A	0.22 ± 0.07 A	0.3442	23.79	Phagodeterrent
L. sericea	0.52 ± 0.09 A	0.32 ± 0.11 A	0.1506	29.42	Phagodeterrent
L. nervosa	0.42 ± 0.13 A	0.36 ± 0.09 A	0.9705	(−) 2.16	Phagostimulant

Means followed by different letters in the column differ at the 5% significance level. SE—standard error; AI—antifeedant index.