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<p>Responding to growing concerns regarding intensive use of chemical fertilizers in wheat cultivation, the adoption of biostimulants offers an instrumental solution aligning wheat production with the aims of sustainable development goal 2 (zero hunger) and sustainable agriculture. The objective of this present work was to assess the biostimulant activity of ten eco-extracts prepared from soil-isolated cyanobacteria in promoting wheat growth, physiology, yield, grain quality, and nutrient uptake under greenhouse conditions. Eco-extracts applied via soil drenching at 0.1&#xa0;g/L induced wheat growth enhancement, with no phytoinhibitory effects. Biochemical characterization of cyanobacteria eco-extracts revealed the presence of bioactive compounds, including indole-3-acetic acid, polyphenols, and flavonoids. Enhancements were recorded in biometric and physiological parameters, which increased from 28% to 63% in comparison to control. Grain yield measurements were higher in treated plants (between 19% and 108%) while grain sugar, protein, and polyphenol contents were boosted (between 24% and 159%). Eco-extracts application improved treated plants nutrient uptake through improved abilities to accumulate and uptake phosphorus. Effects were also significates on soil properties implying positives modifications in soil physicochemical profile with increased organic carbon, organic matter, and nitrogen. Multivariate performance analysis of the different eco-extracts designated <i>Pseudanabaena</i> sp. CY63 and <i>Nostoc punctiforme</i> CY69 as the most performing across different plant traits. These findings primarily underscored the potential of eco-extracts from soil-isolated cyanobacteria as valuable biostimulants, as well as their potential as extensive inputs in sustainable wheat cultivation.</p>

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Assessing the biostimulant activity of eco-extracts from soil-isolated cyanobacteria in sustainable wheat cropping under greenhouse conditions

  • 期刊论文

  • 发表日期：

    2026年4月18日

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  • Amer Chabili,
  • Zineb Hakkoum,
  • Farah Minaoui,
  • El Mahdi Redouane,
  • Mountasser Douma,
  • Abdelilah Meddich,
  • Mohammed Loudiki

摘要

Responding to growing concerns regarding intensive use of chemical fertilizers in wheat cultivation, the adoption of biostimulants offers an instrumental solution aligning wheat production with the aims of sustainable development goal 2 (zero hunger) and sustainable agriculture. The objective of this present work was to assess the biostimulant activity of ten eco-extracts prepared from soil-isolated cyanobacteria in promoting wheat growth, physiology, yield, grain quality, and nutrient uptake under greenhouse conditions. Eco-extracts applied via soil drenching at 0.1 g/L induced wheat growth enhancement, with no phytoinhibitory effects. Biochemical characterization of cyanobacteria eco-extracts revealed the presence of bioactive compounds, including indole-3-acetic acid, polyphenols, and flavonoids. Enhancements were recorded in biometric and physiological parameters, which increased from 28% to 63% in comparison to control. Grain yield measurements were higher in treated plants (between 19% and 108%) while grain sugar, protein, and polyphenol contents were boosted (between 24% and 159%). Eco-extracts application improved treated plants nutrient uptake through improved abilities to accumulate and uptake phosphorus. Effects were also significates on soil properties implying positives modifications in soil physicochemical profile with increased organic carbon, organic matter, and nitrogen. Multivariate performance analysis of the different eco-extracts designated Pseudanabaena sp. CY63 and Nostoc punctiforme CY69 as the most performing across different plant traits. These findings primarily underscored the potential of eco-extracts from soil-isolated cyanobacteria as valuable biostimulants, as well as their potential as extensive inputs in sustainable wheat cultivation.