In this research we studied the allelopathic activity of 11wild population plants

belong to 8 families including (Proveskia abrotanoides, Chrozophora tinctoria, Euphorbia

petiolata, Gypsophila aretioides, Heliotropium europaeum...

. To investigate the allelopathic activity of different part of 25 wild plants population belong to 12 families which were collected from Iran, an experiment was conducted as a Randomized Complete Block Design (RCBD) with 3 replications in the faculty...