en Allelopathic effects of apricot (Prunus armeniaca L.) root on some crops and weeds سایر موارد others پژوهشي Research <div style="text-align: left;"><span style="font-size:12pt"><span new="" roman="" style="font-family:" times=""><b><span style="font-size:9.0pt"><span style="color:black">Allelopathic effect of apricot (<i>Prunus armeniaca</i> L.) root on some crops and weeds was investigated in two independent experiments. First, the effect of concentrations aqueous extract of </span></span></b><b><span style="font-size:9.0pt"><span style="color:black">apricot root (</span></span></b><b><span style="font-size:9.0pt"><span style="color:black">AAR</span></span></b><b><span style="font-size:9.0pt"><span style="color:black">) </span></span></b><b><span style="font-size:9.0pt"><span style="color:black">was assayed on the seed germination of <i>Cicer arietinum</i> L., <i>Phaseolus vulgaris</i> L., <i>Triticum aestivum</i> L., <i>Zea mays</i> L., <i>Amaranthus retroflexus</i> L., <i>Secale cereal</i> L., and <i>Avena ludoviciana</i> Durieu. In the second experiment, two pot trials were carried out to investigate the effect of AAR and apricot root powder (ARP) on the seedlings of <i>P. vulgaris</i>, <i>Z. mays</i>, <i>S. cereal</i>, and <i>A. retroflexus</i>. The results showed that germination was halted in <i>T. aestivum</i>, <i>C. arietinum</i>, <i>A. ludoviciana</i>, and <i>S. cereal</i> under all treatment levels, in <i>A. retroflexus</i> under 75 and 100%, and in <i>P. vulgaris</i> under 100% of AAR. Also, the results showed that effects of AAR and ARP on the biomass, </span></span></b><b><span style="font-size:9.0pt"><span style="color:black">membrane stability index, chlorophylls, carotenoids, </span></span></b><b><span style="font-size:9.0pt"><span style="color:black">proline, and </span></span></b><b><span style="font-size:9.0pt"><span style="color:black">protein content, and antioxidant enzymes activity</span></span></b><b><span style="font-size:9.0pt"><span style="color:black"> were not significant, with a few exceptions. It can be concluded that the allelopathic effect of apricot root is mostly exerted by inhibiting the germination of target plants rather than effect on later stage of plant growth and development.</span></span></b></span></span></div> <span style="font-size:12pt"><span new="" roman="" style="font-family:" times=""><b><span style="font-size:9.0pt"><span style="color:black"></span></span></b></span></span> <span style="font-size:12pt"><span new="" roman="" style="font-family:" times=""><b><span style="font-size:9.0pt"><span style="color:black">Allelopathic effect of apricot (<i>Prunus armeniaca</i> L.) root on some crops and weeds was investigated in two independent experiments. First, the effect of concentrations aqueous extract of </span></span></b><b><span style="font-size:9.0pt"><span style="color:black">apricot root (</span></span></b><b><span style="font-size:9.0pt"><span style="color:black">AAR</span></span></b><b><span style="font-size:9.0pt"><span style="color:black">) </span></span></b><b><span style="font-size:9.0pt"><span style="color:black">was assayed on the seed germination of <i>Cicer arietinum</i> L., <i>Phaseolus vulgaris</i> L., <i>Triticum aestivum</i> L., <i>Zea mays</i> L., <i>Amaranthus retroflexus</i> L., <i>Secale cereal</i> L., and <i>Avena ludoviciana</i> Durieu. In the second experiment, two pot trials were carried out to investigate the effect of AAR and apricot root powder (ARP) on the seedlings of <i>P. vulgaris</i>, <i>Z. mays</i>, <i>S. cereal</i>, and <i>A. retroflexus</i>. The results showed that germination was halted in <i>T. aestivum</i>, <i>C. arietinum</i>, <i>A. ludoviciana</i>, and <i>S. cereal</i> under all treatment levels, in <i>A. retroflexus</i> under 75 and 100%, and in <i>P. vulgaris</i> under 100% of AAR. Also, the results showed that effects of AAR and ARP on the biomass, </span></span></b><b><span style="font-size:9.0pt"><span style="color:black">membrane stability index, chlorophylls, carotenoids, </span></span></b><b><span style="font-size:9.0pt"><span style="color:black">proline, and </span></span></b><b><span style="font-size:9.0pt"><span style="color:black">protein content, and antioxidant enzymes activity</span></span></b><b><span style="font-size:9.0pt"><span style="color:black"> were not significant, with a few exceptions. It can be concluded that the allelopathic effect of apricot root is mostly exerted by inhibiting the germination of target plants rather than effect on later stage of plant growth and development.</span></span></b></span></span><br> <span style="font-size:12pt"><span new="" roman="" style="font-family:" times=""><b><span style="font-size:9.0pt"><span style="color:black"></span></span></b></span></span> Allelopathy, Crop, Germination, Herbicide, Weed Allelopathy, Crop, Germination, Herbicide, Weed 49 56 http://jispp.iut.ac.ir/browse.php?a_code=A-10-1564-1&slc_lang=en&sid=1 Noshin Ashna Noshin Ashna Nooshin.ashena@yahoo.com 100319475328460030339 100319475328460030339 No Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran Ali Ganjeali Ali Ganjeali ganjeali@um.ac.ir 100319475328460030340 100319475328460030340 Yes Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran Monireh cheniany Monireh cheniany cheniany@um.ac.ir 100319475328460030341 100319475328460030341 No Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran Seyed Mousa Mousavi-Kouhi Seyed Mousa Mousavi-Kouhi smmousavi@birjand.ac.ir 100319475328460030342 100319475328460030342 No Department of Biology, Faculty of Science, University of Birjand, Birjand, Iran Department of Biology, Faculty of Science, University of Birjand, Birjand, Iran