Alleviatory effect of foliar application of silicon nanoparticles on germination, growth, and photosynthetic pigments of Butterfly pea (Clitoria ternatea) under salt stress.
Khalofah A
Salt Stress Tolerance
PubMedRising soil salt levels — from irrigation, drought, and coastal flooding — are quietly killing gardens and farms worldwide, and this simple foliar spray could be a practical tool anyone can use to protect their plants.
Salt in the soil is a huge problem for plants — it stunts their growth, fades their leaves, and reduces their harvest. Scientists tested whether spraying extremely tiny silicon particles onto Butterfly pea plants could help them cope with salty conditions. It worked remarkably well: the sprayed plants were significantly taller, had larger leaves, and maintained healthier green color even in heavily salted soil.
Key Findings
High salt stress (150 mM NaCl) reduced plant height by ~51% and leaf area by ~55% compared to control plants.
Silicon nanoparticle foliar spray reversed much of this damage, increasing plant height by ~38% and leaf area by ~24% in salt-stressed plants.
Photosynthetic pigments (chlorophyll and carotenoids) that were degraded by salt were partially restored after silicon nanoparticle treatment, alongside improvements in protective compounds like proline and soluble sugars.
chevron_right Technical Summary
Researchers found that spraying tiny silicon particles onto Butterfly pea plants dramatically reduced the damage caused by salty soil, restoring much of the plants' normal growth and green pigment. This low-cost, environmentally safe treatment could help farmers and gardeners grow plants in areas with high soil salinity.
Abstract Preview
Soil salinity substantially limits plant establishment and productivity by reducing germination, altering photosynthetic function, and lowering biomass buildup. This study examined the effect of fo...
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