Arbuscular Mycorrhizal Fungi as Solubilizers of Rock Phosphate and Compost Application Improve Date Palm (Phoenix dactylifera L.)’s Resilience to Drought

Akensous, Fatima-Zahra; Anli, Mohamed; Meddich, Abdelilah

doi:10.1007/s10343-023-00927-z

Cited by 3 publications

(2 citation statements)

References 101 publications

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“…Wahid et al [102] reported that the combination of AMF with an organic amendment and RP increased the content of photosynthetic pigments in green bean seedlings, compared with the control, which was explained by the effect of symbiotic N fixation and also by P assimilation by AMF [103]. Similarly, studies reported by Akensous et al [65] showed that the application of AMF in combination with compost and RP improved the chlorophyll content of date palm plants under the DS condition [104,105]. Boutasknit et al [106] reported that combining AMF with compost reduced oxidative damage and improved chlorophyll and carotenoid content under DS and after recovery.…”

Section: Discussionmentioning

confidence: 79%

“…The combination of an AMF consortium with an organic biofertilizer had higher growth than the control strawberry seedlings [64]. Furthermore, Akensous et al [65] reported that the application of a tripartite combination (AMF, compost, and RP) improved date palm seedling growth under WW and DS conditions. In another study, the combination of an AMF consortium with VC showed an increase in the above-ground and root biomass of quinoa seedlings compared with the combination with compost, particularly under the DS condition [33].…”

Section: Discussionmentioning

confidence: 99%

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Effect of Arbuscular Mycorrhizal Fungi and Rock Phosphate on Growth, Physiology, and Biochemistry of Carob under Water Stress and after Rehydration in Vermicompost-Amended Soil

Boutasknit,

Ait-El-Mokhtar,

Fassih

et al. 2024

Metabolites

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In the Mediterranean region, reforestation programs record failures following successive drought periods. The use of different plant-growth-promoting amendments and the understanding of drought-induced physiological and biochemical responses of carob will contribute to the reforestation program’s success. In this study, the effects of arbuscular-mycorrhizal-fungi (AMF), vermicompost (VC), and rock phosphate (RP) on carob seedlings under drought stress (DS) and recovery (REC) conditions were evaluated. A greenhouse experiment was conducted with carob seedlings grown in the presence of AMF, VC, and RP, applied alone or in combination under well-watered (WW), DS (by stopping irrigation for 12 days), and recovery (REC) conditions. The obtained results indicated that the triple combination (AMF + VC + RP) presented the highest improvement in water potential, photosynthetic pigment content, stomatal conductance, and chlorophyll fluorescence compared to the controls under DS and after REC. In addition, this combination resulted in improved tolerance of carob seedlings to DS and a high potential for rapid recovery after rehydration due to a high accumulation of sugars, proteins, and antioxidant enzymes. In summary, the results underline the importance of inoculating carob with AMF in combination with (in)-organic amendments in improving its tolerance to DS and its recovery performances.

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Section: Discussionmentioning

confidence: 79%

Section: Discussionmentioning

confidence: 99%

Effect of Arbuscular Mycorrhizal Fungi and Rock Phosphate on Growth, Physiology, and Biochemistry of Carob under Water Stress and after Rehydration in Vermicompost-Amended Soil

Boutasknit,

Ait-El-Mokhtar,

Fassih

et al. 2024

Metabolites

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Harnessing rhizospheric core microbiomes from arid regions for enhancing date palm resilience to climate change effects

Ben Zineb,

Lamine,

Khallef

et al. 2024

Front. Microbiol.

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Date palm cultivation has thrived in the Gulf Cooperation Council region since ancient times, where it represents a vital sector in agricultural and socio-economic development. However, climate change conditions prevailing for decades in this area, next to rarefication of rain, hot temperatures, intense evapotranspiration, rise of sea level, salinization of groundwater, and intensification of cultivation, contributed to increase salinity in the soil as well as in irrigation water and to seriously threaten date palm cultivation sustainability. There are also growing concerns about soil erosion and its repercussions on date palm oases. While several reviews have reported on solutions to sustain date productivity, including genetic selection of suitable cultivars for the local harsh environmental conditions and the implementation of efficient management practices, no systematic review of the desertic plants’ below-ground microbial communities and their potential contributions to date palm adaptation to climate change has been reported yet. Indeed, desert microorganisms are expected to address critical agricultural challenges and economic issues. Therefore, the primary objectives of the present critical review are to (1) analyze and synthesize current knowledge and scientific advances on desert plant-associated microorganisms, (2) review and summarize the impacts of their application on date palm, and (3) identify possible gaps and suggest relevant guidance for desert plant microbes’ inoculation approach to sustain date palm cultivation within the Gulf Cooperation Council in general and in Qatar in particular.

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Investigation of the impact of dual inoculations of arbuscular mycorrhizal fungi and plant growth-promoting rhizobacteria on drought tolerance of maize grown in a compost-amended field under Mediterranean conditions

Ouhaddou,

Ech-chatir,

Ikan

et al. 2024

Front. Microbiol.

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In the current context of rapid climate change, water scarcity and soil poverty are becoming increasingly alarming, leading to growing losses of 30–50% of global agricultural production. It is imperative to find environmentally-friendly approaches for improving plant tolerance to drastic conditions, particularly in arid and semi-arid Mediterranean regions. Biostimulants based on symbiotic microbes are emerging as effective strategies for improving tolerance and agricultural productivity. This study aims to evaluate the effects of single and double inoculation of arbuscular mycorrhizal fungi (My) and plant growth-promoting bacteria (Ba) on the growth, physiological and biochemical traits of maize crop grown in compost (Co) amended soil under two irrigation regimes: well-watered (WW: 100% of crop evapotranspiration [ETc]) and drought-stressed (DS: 50% ETc) using drip irrigation system. Reducing irrigation to 50% reduced shoot dry weight (SDW), root dry weight (RDW), 1,000-grains weight (TGW) and grain yield (Y). However, Ba alone increased SDW by 63%, while CoMyBa improved RDW, TGW and Y by 197, 43 and 175%, respectively compared with the control under DS conditions. Dual inoculation boosted root colonization intensity, normalized difference vegetation index (NDVI), total chlorophyll and leaf area of maize seedlings in compost-amended soil, compared to the controls. The application of Ba significantly reduced hydrogen peroxide and malondialdehyde by 46%, in maize seedlings grown in compost-amended soil, compared to the controls under DS. Our results indicated that My and Ba significantly boost the ability of maize to tolerate drought by improving water supply and physiology and stimulating the accumulation of organic and inorganic osmolytes, as well as improving the properties of soils such as cation exchange capacity particularly amended by Co. The dual inoculations were the most effective and represent an environmentally-friendly and relatively inexpensive approach to optimizing agricultural production and soil restoration programs in Mediterranean regions.

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Arbuscular Mycorrhizal Fungi as Solubilizers of Rock Phosphate and Compost Application Improve Date Palm (Phoenix dactylifera L.)’s Resilience to Drought

Cited by 3 publications

References 101 publications

Effect of Arbuscular Mycorrhizal Fungi and Rock Phosphate on Growth, Physiology, and Biochemistry of Carob under Water Stress and after Rehydration in Vermicompost-Amended Soil

Effect of Arbuscular Mycorrhizal Fungi and Rock Phosphate on Growth, Physiology, and Biochemistry of Carob under Water Stress and after Rehydration in Vermicompost-Amended Soil

Harnessing rhizospheric core microbiomes from arid regions for enhancing date palm resilience to climate change effects

Investigation of the impact of dual inoculations of arbuscular mycorrhizal fungi and plant growth-promoting rhizobacteria on drought tolerance of maize grown in a compost-amended field under Mediterranean conditions

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