Table 1. ED₅₀ values and resistance index of wild mustard populations against tribenuron methyl.

Population Number	EstimatedED50	Standard Eror	ED50Lower Limit	ED50Upper Limit	Resistance Factor
A-007	7.157	0.873	5.986	8.625	7.2
A-022	3.891	0.360	3.164	4.618	3.9
C-017	6.894	0.621	5.146	8.011	6.9
T-010	3.927	0.145	2.986	4.863	3.9
T-011	4.251	0.287	3.881	4.914	4.3
T-012	7.656	0.544	5.719	9.271	7.7
T-034	1.029	0.102	0.837	1.405	1.0
T-036	2.141	0.349	1.452	2.992	2.1
T-038	3.213	0.405	2.067	4.118	3.2
T-050	5.444	0.109	5.187	5.972	5.4
Y-021	3.168	0.857	1.546	4.639	3.2
Y-022	2.878	0.382	2.108	3.649	2.9
Y-026	2.330	0.578	0.164	3.495	2.3

Notes.

ED₅₀

Effective dose %50

The susceptible population standard is taken as 1.