6533b856fe1ef96bd12b1c87

RESEARCH PRODUCT

Alleviation of Salt Stress by Plant Growth-Promoting Bacteria in Hydroponic Leaf Lettuce

Alessandro MiceliAlessandra MoncadaFilippo Vetrano

subject

0106 biological sciencessaline waterBiomassSettore AGR/04 - Orticoltura E Floricolturanutrient solutionBiologyRhizobacteria01 natural scienceslcsh:Agriculturefloating systemNutrientbacterial biostimulantleafy vegetables<i>Lactuca sativa</i> L. var. <i>Crispa</i>Brackish waterfungilcsh:S<i>Bacillus</i>food and beverages04 agricultural and veterinary sciencesHydroponicsbiology.organism_classificationSaline waterSalinityHorticulturePGPRsaline water leafy vegetables Lactuca sativa L. var. Crispa floating system nutrient solution bacterial biostimulant PGPR Bacillus040103 agronomy & agriculture0401 agriculture forestry and fisheriesAgronomy and Crop ScienceBacteria010606 plant biology & botany

description

Mediterranean areas with intensive agriculture are characterized by high salinity of groundwater. The use of this water in hydroponic cultivations can lead to nutrient solutions with an electrical conductivity that overcomes the tolerance threshold of many vegetable species. Plant growth-promoting rhizobacteria (PGPR) were shown to minimize salt stress on several vegetable crops but the studies on the application of PGPR on leafy vegetables grown in hydroponics are rather limited and have not been used under salt stress conditions. This study aimed to evaluate the use of plant growth-promoting bacteria to increase the salt tolerance of leaf lettuce grown in autumn and spring in a floating system, by adding a bacterial biostimulant (1.5 g L&minus

yearjournalcountryeditionlanguage
2020-10-06Agronomy
https://doi.org/10.3390/agronomy10101523