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dc.creatorSavić, Aleksandra
dc.creatorOveisi, Mostafa
dc.creatorBožić, Dragana
dc.creatorPavlović, Danijela
dc.creatorSaulić, Markola
dc.creatorScharer Muller, Heinz
dc.creatorVrbničanin, Sava
dc.date.accessioned2021-06-10T10:39:43Z
dc.date.available2021-06-10T10:39:43Z
dc.date.issued2021
dc.identifier.issn0043-1737
dc.identifier.urihttp://aspace.agrif.bg.ac.rs/handle/123456789/5857
dc.description.abstractRecent reports of the presence of Ambrosia trifida (AT) in areas infested by A. artemisiifolia (AA) in Serbia warn of the impending establishment of a more damaging crop weed. Here, we test the potential competitive effects of these two weed species. We conducted a field competition study in 2016 and 2017 as a replacement series experiment arranged in a split plot, with main plots (20.5 m × 2 m) at total plant densities of 10 and 100 plants/m2, and sub-plots (3 m × 2 m) at the proportion of AT to AA of 100:0, 80:20, 60:40, 40:60, 20:80 and 0:100. Individual plant biomass (IPB) for AT was lowest when grown in monoculture, while AA reached its highest IPB in its monoculture. With AT < 40%, the AT IPB was larger than (2017) or the same as AA (2016). With AT > 40%, its IPB decreased due to increased intraspecific competition. We obtained the lowest sub-plot biomass (SPB) of AT + AA in mixtures with 40:60 and 60:40 ratios, and also the highest SPB of other weed species. We show that despite a larger leaf area, AT may not fully replace AA and thus not become a new threat to crops, as it not only suffers from intraspecific competition at high densities, but also from interspecific competition with AA. Therefore, crops may benefit from a stable coexistence of both species as compared to highly dominant AT or AA. Further studies in the presence of crops are needed to confirm this hypothesis.sr
dc.language.isoensr
dc.publisherBlackwell Publishing Ltdsr
dc.relationinfo:eu-repo/grantAgreement/MESTD/inst-2020/200010/RS//sr
dc.relationinfo:eu-repo/grantAgreement/MESTD/inst-2020/200116/RS//sr
dc.rightsrestrictedAccesssr
dc.sourceWeed Researchsr
dc.subjectinterspecific competitionsr
dc.subjectintraspecific competitionsr
dc.subjectmultispecies competitionsr
dc.subjectplant density ratiosr
dc.subjectplant invasionsr
dc.titleCompetition between Ambrosia artemisiifolia and Ambrosia trifida: Is there a threat of a stronger competitor?sr
dc.typearticlesr
dc.rights.licenseARRsr
dc.citation.epage306
dc.citation.issue4
dc.citation.rankM21
dc.citation.spage298
dc.citation.volume61
dc.identifier.doi10.1111/wre.12479
dc.identifier.scopus2-s2.0-85105792094
dc.identifier.wos000655450600001
dc.type.versionpublishedVersionsr


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