Using of plant extracts in control of Abutilon theophrasti Medicus
Journal Title: International Journal of Farming and Allied Sciences - Year 2014, Vol 3, Issue 5
Abstract
Natural compounds are excellent alternatives for presently used chemical herbicides in agriculture. In order to examine the possibility of using plant extracts in weed control, growth inhibiting activity of six plant water extracts include camel thorn (Alhagi camelorum Fisch), annual sage brush (Artemisia annua L.), Inula (Inula graveolens L.(Desf.)), cocklebur (Xanthium strumarium L.), hairy fleabane (Conyza bonariensis L.(Cronq.)) and Black nightshade (Solanum nigrum L.) at doses of 25%, 50%, 75%, 100% (1:10 w/v) was determined on Abutilon theophrasti Medicus. This experiment was conducted as a factorial design with 3 replications in laboratory of Agricultural Research Centre of Golestan Province, Iran in 2013. Another similar experiment was conducted with the same plant material that had been frozen for four years. The results showed that stem length of A. theophrasti was decreased by all extracts but there was no difference between all concentration levels in this case. Same result was observed in A.theophrasti germination, however in this regard, inhibitory effects increased as extract concentration increased. Except A. camelorum extract that stimulated the root length of A.theophrasti, all extracts reduced its root length. Among different extracts, highest inhibitory effect on stem and root length of A.theophrasti was observed in Petri dish treated with A. annua followed by X. strumarium and C. bonariensis, and the lower germination caused by X.strumarium followed by A.annua respectively. Therefore, A.annua and X.strumarium may be useful as alternative materials of biological weed control. However, comprehensive studies are necessary for demonstrating their herbicidal potential.
Authors and Affiliations
M. Younesabadi, L Habibian and AR Savarinejad
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