autotoxicity

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A common soil additive helps pepper plants recover from their own toxic buildup

PubMed · 2026-07-07

Adding silicon to the soil can protect pepper plants from a natural toxin they produce themselves during intensive farming, restoring growth, photosynthesis, and fruit yield to near-normal levels.

1 mM silicon treatment increased plant height by 53.4%, stem diameter by 16.8%, and leaf number by 35.3% under phthalic acid stress

1.5 mM silicon reversed photosynthetic suppression, increasing net photosynthetic rate by 381.0% and chlorophyll content by 25.8%

Field trials confirmed 1 mM silicon restored pepper yield to control levels, improved fruit quality, and reduced disease-like symptom incidence

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eco Pepper

autotoxicity

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