Early silicification of leaves and roots of seedlings of a panicoid grass grown under different conditions: anatomical relation and structural role
- Fernández Honaine, Mariana
- Benvenuto, María Laura
- Borrelli, Natalia Lorena
- Osterrieth, Margarita Luisa
DOIAbstract
Grasses accumulate high amounts of silica deposits in tissues of all their organs, especially at mature stage. However, when and under which conditions do grass seedlings begin to produce these silica deposits and their relation with anatomy and development is little known. Here we investigated the silicification process in the first leaves and roots of seedlings of Bothriochloa laguroides grown in different substrate and Si treatments. The distribution and content of silica deposits in the organs of the seedlings grown under different conditions were analyzed through staining techniques and SEM-EDAX analyses. Leaf silica deposits were accumulated 3–4 days after the first leaf emergence, also under low silica solution (0.17–0.2 mM). Their l...
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