AI Article Synopsis
- The study investigates how photoselective nets (PNs) of different colors affect pollen traits in 'Matua' and 'Tomuri' plant cultivars, focusing on size, fertility, and molecular structure.
- Results reveal that pollen under PNs was larger but had a lower germination rate, with the pearl PN showing the most significant influence on total soluble proteins and sugars.
- Raman spectroscopy indicated minor structural changes in pollen but no overall organizational differences, highlighting that both PNs and cultivars impact pollen characteristics.
Article Abstract
The increasing use of photoselective nets (PNs) raises the question of their influence on pollen traits. We aimed to evaluate the effect of PNs (yellow, pearl, and grey) on the pollen of 'Matua' and 'Tomuri' cultivars. The pollen size and the exine were studied with a light microscopy and a scanning electron microscopy, and the fertility was analysed by a viability assay and in vitro germination. The total soluble proteins (TSPs) and sugars (TSSs) were quantified by colorimetric assays. The molecular structure of the pollen grain's wall was analysed by a Raman spectroscopy. The pollen from the plants under the PNs had a larger width and area and a lower germination rate. No significant changes were observed in the exine's microperforations. The TSP and TSS contents were influenced by the cultivar and PNs (particularly the pearl PN). The Raman spectra of the pollen from the plants grown under the nets presented some bands that significantly shifted from their original position, indicating differences in the vibration modes of the molecules, but no overall changes at their structural or organisation level were found. Our study showed that the PNs could influence several pollen traits, with the pearl PN inducing greater modifications. Our results also support the idea that cultivars affect the outcome of some characteristics.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11207864 | PMC |
| http://dx.doi.org/10.3390/plants13121691 | DOI Listing |
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