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Highlights

Pollen dissection & staining

The process of dissecting a flower requires sharp tweezers. An individual floret is taken from a clover flower, each normally containing 10 anthers. The outer parts of the flower are removed, and the inner 'keel' is opened carefully. The anthers are at the tips of the stamens and contain the pollen. 

Anthers are placed in a preservative mix if being stored for future analysis, or can be put on a slide with a drop of stain (dye). The staining solution and anthers are heated (~30 seconds) to ensure the stain enters into viable pollen grains. Sometimes the anthers have to be punctured with a sharp tweezers carefully so that the anther bursts to release the grains. 

White clover pollen grains under 20x magnification

White clover pollen grains are not visible to the naked eye, so we view them under magnification. Each pollen grain is about 0.025mm.

The pollen grains undergo a staining protocol so that we can assess their viability. Viable ones take up the stain and are stained pink-violet, the ones which are non-viable are white or may be malformed. 

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Events

Plants for the Future - Science Week 2024

ARID was delighted to take part in Plants for the Future, a public outreach event at the School of Biological, Earth & Environmental Sciences of University College Cork on Tuesday November 12th 2024. This exhibition was part of Science Week and helped demonstrate how plants can help address challenges such as biodiversity, food security, climate change, pollution and pesticide use.

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ARID - Assessing the impact of climate change on clover-pollinator interactions in Irish grasslands

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