Community structure and Species diversity of Chickpea weeds in Application of Imazethapyr and Trifuralin

Weed species to various herbicides, show varying degrees of sensitivity or resistance. Therefore, to investigate the effect of herbicide application Trifuralin and Imazethapyr the composition and diversity of weeds a trial based on randomized complete block design with three replications was acheieved. Treatments were application of Trifuralin herbicide , Imazethapyr herbicide and not application of herbicide (control).The results showed that Trifuralin reduced 13/2% frequency of Lamb's quarters (Chenopodium Black album) and 3/7% of barnyard grass (Echinochloa crus-galli) and Imazethapyr reduced 11/6% frequency of nightshade (Solanum nigrum) in final growth stage but non of the herbicides was not effect on Common Purslane (Portulaca oleracea). Dyer's croton (Chrozophora tinctoria),Flower-of-an-Hour (Hibiscus trionum), Redroot Pigweed (Amaranthus retroflexus), Prostrate amaranth (Amaranthus blitoides), Flixweed (Descurainia Sophia) andDatura had low densities between herbicides treatment. In Imazethapyr treatment, Shannon–Wiener diversity index was more than control treatment in Almost growth stage and it was 0/97, 0/51 and 1/27 for Imazethapyr herbicide, Trifuralin herbicide and control treatments respectively in final growth stage.