Table 1. Details of plant species tested for utility in ecological engineering against rice pests.
| Plant species | Family | Origin1 | Value |
| Tagetes erecta L. | Compositae | IRRI 14.4322°N,120.985°E | Ornamental/Medicinal herb |
| Trida procumbens L. | Compositae | IRRI 14.4322°N,120.985°E | Medicinal herb |
| Ageratum conyzoides L. | Compositae | IRRI 14.4322°N,120.985°E | Medicinal herb |
| Emilia sonchifolia (L.) DC. | Compositae | IRRI 14.4322°N,120.985°E | Medicinal herb |
| Sesamum indicumL. | Pedaliaceae | Jinhua, China 29.0833°N, 119.650° E | Crop |
| Portulaca grandifloraHook | Portulacaceae | Proprietary seed | Ornamental |
1
IRRI = International Rice Research Institute, Los Baños, Philippines. The landholders gave permission for the collection of seeds and none of the species was endangered or protected.