University of Belgrade - Faculty of Agriculture
AgroSpace - Faculty of Agriculture Repository
    • English
    • Српски
    • Српски (Serbia)
  • English 
    • English
    • Serbian (Cyrillic)
    • Serbian (Latin)
  • Login
View Item 
  •   AgroSpace
  • Poljoprivredni fakultet
  • Radovi istraživača / Researchers’ publications
  • View Item
  •   AgroSpace
  • Poljoprivredni fakultet
  • Radovi istraživača / Researchers’ publications
  • View Item
JavaScript is disabled for your browser. Some features of this site may not work without it.

Competition between Ambrosia artemisiifolia and Ambrosia trifida: Is there a threat of a stronger competitor?

Authorized Users Only
2021
Authors
Savić, Aleksandra
Oveisi, Mostafa
Božić, Dragana
Pavlović, Danijela
Saulić, Markola
Scharer Muller, Heinz
Vrbničanin, Sava
Article (Published version)
Metadata
Show full item record
Abstract
Recent 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.

Keywords:
interspecific competition / intraspecific competition / multispecies competition / plant density ratio / plant invasion
Source:
Weed Research, 2021, 61, 4, 298-306
Publisher:
  • Blackwell Publishing Ltd
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200010 (Institute for Plant Protection and Environment, Belgrade) (RS-200010)
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200116 (University of Belgrade, Faculty of Agriculture) (RS-200116)

DOI: 10.1111/wre.12479

ISSN: 0043-1737

WoS: 000655450600001

Scopus: 2-s2.0-85105792094
[ Google Scholar ]
URI
http://aspace.agrif.bg.ac.rs/handle/123456789/5857
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Poljoprivredni fakultet

DSpace software copyright © 2002-2015  DuraSpace
About the AgroSpace Repository | Send Feedback

re3dataOpenAIRERCUB
 

 

All of DSpaceCommunitiesAuthorsTitlesSubjectsThis institutionAuthorsTitlesSubjects

Statistics

View Usage Statistics

DSpace software copyright © 2002-2015  DuraSpace
About the AgroSpace Repository | Send Feedback

re3dataOpenAIRERCUB