Impact of Two Phosphorus Fertilizer Formulations on Wheat Physiology, Rhizosphere, and Rhizoplane Microbiota

被引:8
作者
Bourak, Kaoutar [1 ,2 ]
Sare, Abdoul Razack [1 ]
Allaoui, Abdelmounaaim [2 ]
Jijakli, M. Haissam [1 ]
Massart, Sebastien [1 ]
机构
[1] Univ Liege, Terra Res Ctr, Integrated & Urban Plant Pathol Lab, Gembloux Agrobiotech, B-5030 Gembloux, Belgium
[2] Mohammed VI Polytech Univ, African Genome Ctr AGC, Microbiol Lab, Lot 660, Hay Moulay Rachid 43150, Ben Guerir, Morocco
关键词
phosphorus; microbiota; wheat; rhizo-compartments; growth stage; SP-NOV; SOIL; PHOSPHATE; DRIVE; TRANSFORMATION; AVAILABILITY; BIODIVERSITY; DEFICIENCY; EFFICIENCY; DIVERSITY;
D O I
10.3390/ijms24129879
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Phosphorus (P) is the second most important macronutrient for crop growth and a limiting factor in food production. Choosing the right P fertilizer formulation is important for crop production systems because P is not mobile in soils, and placing phosphate fertilizers is a major management decision. In addition, root microorganisms play an important role in helping phosphorus fertilization management by regulating soil properties and fertility through different pathways. Our study evaluated the impact of two phosphorous formulations (polyphosphates and orthophosphates) on physiological traits of wheat related to yield (photosynthetic parameters, biomass, and root morphology) and its associated microbiota. A greenhouse experiment was conducted using agricultural soil deficient in P (1.49%). Phenotyping technologies were used at the tillering, stem elongation, heading, flowering, and grain-filling stages. The evaluation of wheat physiological traits revealed highly significant differences between treated and untreated plants but not between phosphorous fertilizers. High-throughput sequencing technologies were applied to analyse the wheat rhizosphere and rhizoplane microbiota at the tillering and the grain-filling growth stages. The alpha- and beta-diversity analyses of bacterial and fungal microbiota revealed differences between fertilized and non-fertilized wheat, rhizosphere, and rhizoplane, and the tillering and grain-filling growth stages. Our study provides new information on the composition of the wheat microbiota in the rhizosphere and rhizoplane during growth stages (Z39 and Z69) under polyphosphate and orthophosphate fertilization. Hence, a deeper understanding of this interaction could provide better insights into managing microbial communities to promote beneficial plant-microbiome interactions for P uptake.
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页数:21
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