Field Application of the Mycorrhizal Fungus Rhizophagus irregularis Increases the Yield of Wheat Crop and Affects Soil Microbial Functionalities
ABSTRACT:
The aim of this study was to test the impact of Rhizophagus irregularis, an arbuscular mycorrhizal fungus (AMF), on durum wheat growth and soil microbial functionalities in a field inoculation trial conducted in Morocco.
The results showed that
i) the R. irregularis inoculum effectively improved wheat growth
ii) wheat growth promotion depended on the soil mycorrhizal infectivity
iii) functional abilities of soil microflora depended on AMF inoculation.
This study confirms that field AMF inoculation can be proposed as an effective agronomic practice in wheat production and as a sustainable cultural practice to manage soil biofunctioning. To fully promote inoculation practices, a better knowledge of AMF ecology has to be acquired to better adapt AMF inoculation to environmental conditions, and thus warrant better yields and agricultural sustainability.
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