Show seeds stimulated by rays seeds that refuse to sprout when planted can be roused from dormancy by soaking shakir and then exposing them to j the proper colored light for a short time only the longer wavelengths of light have this stimulating power dr L H flint dint of the united states department part ment of agriculture has found seeds exposed to light at the blue violet end of the spectrum refused to germinate even E ven seeds that had been given the stimulating treatment with the lon longer loner er wavelengths at the red end of the spectrum and then were exposed to blue or green light would not sprout the treated seeds need not be germinated immediately they can be dried out and planted later popular me ale chanles magazine |