food security Archives - Page 2 of 7 - The Global Plant Council

How seeds know it’s a good time to germinate

By | News, Plant Science

Dehydrated plant seeds can lay dormant for long periods–over 1,000 years in some species–before the availability of water can trigger germination. This protects the embryonic plant inside from a variety of environmental stresses until conditions are favorable for growth and survival. However, the mechanism by which the baby plant senses water and reactivates cellular activity has remained a mystery until now. 

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