The weekend of sustained higher than average temperatures and wind has passed and we are starting to see germination in multiple areas.
The frequent irrigation cycles provide moisture to soften the seed coating/shell which begins the first stage of germination. This volume of water in turn activates an enzyme within the seed, respiration increases, and plant cells duplicate. When the embryo reaches a certain size the seed coat splits open allowing for the immature plant to emerge. The root tip is the first thing to emerge, allowing the embryo to absorb water and nutrients from the surrounding soil or medium.
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