Rhythmic spontaneous UPE in seedlings — overview

The rhythmic features found in the spontaneous ultra-weak photon emission from seedlings, in the early stages of development, will be presented and discussed based in the results of past 10 years with wheat, corn and sunflower seeds. Synchronism with external triggers such gravimetric tide and geomagnetic cycles are studied and might give indications for further applications in chronobiology and agriculture.