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<p>Pearl millet is one of the most important cereal crops for food security and livelihood of many rural populations in semi-arid and arid regions which are the most threatened by climate change. Enhancing the productivity of this crop through the application of mycorrhizal biofertilization and the diversification of the preceding crops in the rotation could be considered as interesting practices. Few researchers were interested in studying these practices on pearl millet production in arid regions. A field experiment was performed to test the effect of mycorrhizal inoculation: without inoculation (-M) and inoculated with a commercial inoculum (+ M), after three different previous crops: barley (B), fenugreek (F) and the mixture barley/fenugreek (B/F) on pearl millet growth and production. Inoculated pearl millet plants presented a significant increase in fresh and dry biomasses, chlorophyll contents, as well as yield parameters. The highest grain yield was obtained when pearl millet was grown after B (197.4&#xa0;g/m<sup>2</sup>) as preceding crops. Regarding the grain quality, the highest concentrations of polyphenol and flavonoid were recorded for inoculated plants cultivated after B and B/F, with 36 and 51%, 31 and 23%, respectively, as compared to non-inoculated ones. This positive effect could be explained by the fundamental role of arbuscular mycorrhizal fungi for plant growth in harsh environmental conditions. In conclusion, Mycorrhizal inoculation and the good choice of the preceding crops are recommended as efficient practices for the sustainable production of pearl millet in arid environment.</p>

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Arbuscular mycorrhizal fungal inoculation and previous crop influence pearl millet growth and yields in a Mediterranean arid environment

  • 期刊论文

  • 发表日期：

    2026年3月24日

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  • Sonia Labidi,
  • Maroua Jerbi,
  • Souad Ettlili,
  • Marwa Khanfir,
  • Sofiène B.M. Hammami,
  • Afef Balti,
  • Besma Sghaier-Hammami,
  • Zied Hammami,
  • Zoubeir Chamekh,
  • Youssef Trifa,
  • Ali Sahli,
  • Faysal Ben Jeddi,
  • Anissa Lounès-Hadj Sahraoui

摘要

Pearl millet is one of the most important cereal crops for food security and livelihood of many rural populations in semi-arid and arid regions which are the most threatened by climate change. Enhancing the productivity of this crop through the application of mycorrhizal biofertilization and the diversification of the preceding crops in the rotation could be considered as interesting practices. Few researchers were interested in studying these practices on pearl millet production in arid regions. A field experiment was performed to test the effect of mycorrhizal inoculation: without inoculation (-M) and inoculated with a commercial inoculum (+ M), after three different previous crops: barley (B), fenugreek (F) and the mixture barley/fenugreek (B/F) on pearl millet growth and production. Inoculated pearl millet plants presented a significant increase in fresh and dry biomasses, chlorophyll contents, as well as yield parameters. The highest grain yield was obtained when pearl millet was grown after B (197.4 g/m2) as preceding crops. Regarding the grain quality, the highest concentrations of polyphenol and flavonoid were recorded for inoculated plants cultivated after B and B/F, with 36 and 51%, 31 and 23%, respectively, as compared to non-inoculated ones. This positive effect could be explained by the fundamental role of arbuscular mycorrhizal fungi for plant growth in harsh environmental conditions. In conclusion, Mycorrhizal inoculation and the good choice of the preceding crops are recommended as efficient practices for the sustainable production of pearl millet in arid environment.