Growth and physiological responses of wheat plants to polyphosphate and orthophosphate fertilizers supply under salt stress

Copyright © 2025 Elsevier Masson SAS. All rights reserved.

Détails bibliographiques
Publié dans:Plant physiology and biochemistry : PPB. - 1991. - 229(2025), Pt B vom: 09. Sept., Seite 110509
Auteur principal: Loudari, Aicha (Auteur)
Autres auteurs: Mansouri, Houssameddine, Colinet, Gilles, Oukarroum, Abdallah
Format: Article en ligne
Langue:English
Publié: 2025
Accès à la collection:Plant physiology and biochemistry : PPB
Sujets:Journal Article Fertilization Orthophosphate Phosphorus Polyphosphate Salt stress
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520 |a Phosphorus (P) availability is significantly reduced under salt-stress conditions. Appropriate P fertilization can effectively alleviate its negative impact on plant growth and development. This study examines the impact of two P fertilizer forms (Ortho-B and Poly-B) on durum wheat tolerance to salinity (S1 = 3 dS m-1 and S2 = 6 dS m-1) under hydroponic conditions. A completely randomized design with six treatments and five replicates per treatment was used. At S2 salinity level, Poly-B outperformed Ortho-B (p < 0.05) by increasing shoot and root dry weights by 867 % and 127 %, respectively. It also improved root morphology (length, surface area, and crossings) by up to 353 %, enhanced chlorophyll content by 41 %, and raised shoot phosphorus content by 20 %, indicating superior stress resilience. These findings suggest that polyphosphate fertilizers are more effective in mitigating salt stress effects in wheat. Future long-term field studies are recommended to confirm these results and assess their agronomic applicability at scale 
650 4 |a Journal Article 
650 4 |a Fertilization 
650 4 |a Orthophosphate 
650 4 |a Phosphorus 
650 4 |a Polyphosphate 
650 4 |a Salt stress 
700 1 |a Mansouri, Houssameddine  |e verfasserin  |4 aut 
700 1 |a Colinet, Gilles  |e verfasserin  |4 aut 
700 1 |a Oukarroum, Abdallah  |e verfasserin  |4 aut 
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