ArticleAnnals of botany2022
Interactive effects of phosphorus fertilization and salinity on plant growth, phosphorus and sodium status, and tartrate exudation by roots of two alfalfa cultivars.
Article in Annals of botany, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 36 citations in OpenAlex.
- Root-sourced 1-aminocyclopropane-1-carboxylic acid modulates development and adaptive responses to salinity in tomato.The Plant journal : for cell and molecular biology · 2026Article
- Salinity gradients alter root-zone soil microbiome structure and nitrogen-related functional potential in alfalfa (Frontiers in plant science · 2026Article
- Arbuscular Mycorrhizal Fungi Inoculation and Different Phosphorus Fertilizer Levels Modulate Phosphorus Acquisition and Utilization Efficiency of Alfalfa (Plants (Basel, Switzerland) · 2025Article
- High concentration of phosphate treatment increased the tolerance of Robinia pseudoacacia roots to salt stress.Plant cell reports · 2025Article
- The MYB-CC Transcription Factor PHOSPHATE STARVATION RESPONSE-LIKE 7 (PHL7) Functions in Phosphate Homeostasis and Affects Salt Stress Tolerance in Rice.Plants (Basel, Switzerland) · 2024Article
- Divergent effects of single and combined stress of drought and salinity on the physiological traits and soil properties ofFrontiers in plant science · 2024Article
- Exploring root system architecture and anatomical variability in alfalfa (Medicago sativa L.) seedlings.BMC plant biology · 2023Article
- Piperonylic acid alters growth, mineral content accumulation and reactive oxygen species-scavenging capacity in chia seedlings.AoB PLANTS · 2022Article
- Impact on plant productivity under low-fertility sandy soil in arid environment by revitalization of lentil roots.Frontiers in plant science · 2022Article
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Authors and funding
8 authors at 2 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsSoil phosphorus (P) deficiency and salinity are constraints to crop productivity in arid and semiarid regions. Salinity may weaken the effect of P fertilization on plant growth. We investigated the interactive effects of soil P availability and salinity on plant growth, P nutrition and salt tolerance of two alfalfa (Medicago sativa) cultivars.
methodsA pot experiment was carried out to grow two cultivars of alfalfa in a loess soil under a combination of different rates of added P (0, 40, 80 and 160 mg P kg-1 soil as monopotassium phosphate) and sodium chloride (0, 0.4, 0.8 and 1.6 g NaCl kg-1 soil). Plant biomass, concentrations of P ([P]), sodium ([Na]) and potassium ([K]) were determined, and rhizosheath carboxylates were analysed. KEY
resultsThere were significant interactions between soil P availability and salinity on some, but not all, of the parameters investigated, and interactions depended on cultivar. Plant growth and P uptake were enhanced by P fertilization, but inhibited by increased levels of salinity. Increasing the salinity resulted in decreased plant P-uptake efficiency and [K]/[Na]. Only soil P availability had a significant effect on the amount of tartrate in the rhizosheath of both cultivars.
conclusionsIncreased salinity aggravated P deficiency. Appropriate application of P fertilizers improved the salt tolerance of alfalfa and increased its productivity in saline soils.
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