بررسی اثر آللوپاتی گیاه اسپند بر جوانه زنی علفهای هرز خاکشیر و خرفه

Roya Mahmoudieh Champiri, Yasamin Miri, Fahimeh Ziaee
Due to problems with weed control strategies used , environmental contamination, groundwater pollution,
increased weed resistance to herbicides , It is essential to reduce these problems and improve the balance of
natural ecosystems. Integrated weed management strategy, introduced as a solution to the problem. These
plants due to several properties, including type-specific growth, rapid growth, or release some Allelopathic
compounds can compete with weeds . To prove the existence of allelopathic relationship between plant
species in Harmalaand weeds (Sisymbrium irio, purslane) factorial experiment in completely randomized
design with 3 replications were performed using different concentrations of aqueous extract of Harmala.
Results showed that there were significant difference between the two varieties of purslane and Sisymbrium
irio between treatments in the percentage of germination and germination rate and germination index at 1%,
It seems that harmala can help prevent plant growth Sisymbrium irio well.