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This study aims to assess the drought tolerance and biostimulant potential of native rhizobia isolated from arid regions of Algeria.

July 22, 2026Discover LifeOpen Access

Native rhizobia from arid and semi-arid regions of Algeria exhibit drought tolerance

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Randomized trial shows improved seed germination under drought stress in legumes and cereals, suggesting a sustainable agricultural approach.

This study aims to assess the drought tolerance and biostimulant potential of native rhizobia isolated from arid regions of Algeria.
Seventeen Rhizobium isolates were morphologically and biochemically characterized.
Stress-tolerant strains were selected based on their performance in tests for salinity, drought, extreme pH, temperature, HCN production, and antagonistic activity.
Effects on seed germination and seedling development were tested under water stress conditions.
Strain OS2 improved wheat seed germination by up to 80% under drought conditions compared to controls.
Strains GSB16 and GSB3 enhanced pea seed germination by a maximum of 175% under similar conditions.
Four selected strains were identified as belonging to the genus Rhizobium, highlighting their potential for agricultural use.

Attig et al. (2026) studied this question.

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Randomized trial shows improved seed germination under drought stress in legumes and cereals, suggesting a sustainable agricultural approach.