"It's actually yellow and orange but during the spring and summer months trees are full of chlorophyll, which is a molecule that plays an important role in photosynthesis, which is how trees get their energy." Nicolette...
in roots can move acropetally; (b) a basal level of biosynthesis is also present in the above-ground tissues; and (c) CL, CLA, and/or its metabolites methyl carlactonoate (MeCLA) and hydroxyl-methyl-carlactonoate (1′-OH-MeCLA) could act as the long-distance signaling molecule/s....