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Article
2022
Growth responses of three European weeds on different AMF species during early development
Growth responses of three European weeds on different AMF species during early development
Abstract (English)
Arbuscular mycorrhizal fungi (AMF) have multiple functions in agroecosystems and affect many processes below- and aboveground, including plant productivity. Mycorrhizal symbiosis is not necessarily beneficial for the host plant and the growth response can be not only positive but also neutral or negative. Among other factors, the responsiveness of plants to AMF depends on the plant-fungus combination. To find out whether the AMF species or isolate is a decisive factor for growth responses of weeds, 44 AMF isolates were tested in a pot experiment for their effects on three agricultural weeds: Echinochloa crus-galli, Solanum nigrum and Papaver rhoeas. The 44 isolates cover 18 AMF species from 13 genera and all 5 orders of the Glomeromycota. The aboveground biomass of the weeds was determined after different times of growth of each weed. In most cases, the effects of AMF isolates on weed growth were negative or neutral. We conclude that some weed species do not benefit from AMF in terms of growth. AMF species can even cause negative growth responses, an effect that may be of practical interest for organic farming where the aim is to obtain a high diversity and concentration of native AMF for the benefit of the cultivated crops without increasing the labor for mechanical weeding.
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Plants, 11 (2022), 15, 2020.
https://doi.org/10.3390/plants11152020
ISSN: 2223-7747
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English
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570 Biology
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Sustainable Development Goals
BibTeX
@article{Säle2022,
url = {https://hohpublica.uni-hohenheim.de/handle/123456789/16589},
doi = {10.3390/plants11152020},
author = {Säle, Verena and Sieverding, Ewald and Oehl, Fritz et al.},
title = {Growth Responses of Three European Weeds on Different AMF Species during Early Development},
journal = {Plants},
year = {2022},
volume = {11},
number = {15},
}