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Clay coating helps native tree seedlings survive harsh sun during reforestation

PubMed · 2026-07-10

Coating seedlings of two native Atlantic Forest trees with a kaolin-based particle film significantly reduced heat and light stress, preserving cell structures critical for photosynthesis and supporting healthier growth in full-sun restoration sites.

1

Kaolin particle film lowered leaf temperatures and preserved chloroplast and mitochondrial ultrastructure under full sunlight in both species.

2

Cordia superba showed stronger growth responses to the treatment, while Citharexylum myrianthum displayed greater baseline tolerance to high light stress.

3

Treated seedlings accumulated more starch grains and plastoglobules, indicating improved energy metabolism and cellular integrity under high irradiance.

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