Show light develops beans beam the stronger the light the bushier your beans the weaker it is the taller they grow out cut off the top of the spectrum by filtering out the blue light and all the rays above it and even bush beans will show A tendency to twine these are in rough outline the results of t the he experiments peri ments of prof H W of pennsylvania state college professor did a large port part of his work at the boyce thompson institute at yonkers Yon kera N Y using the elaborate light controlling apparatus there ile he planted soy eoy beans in separate compartments and gave them light of graded intensity ranging from over candles down to 26 in nil all his plants growth in length was greater under the modO moderately weak lights though not under the weakest ones and the latent tendency of the stalks to twine developed in the same sets growth in thickness of stem stein however was correlated with strong light |