https://www.selleckchem.com/pr....oducts/hg-9-91-01.ht
Plants detect and respond to the proximity of competitors using light signals perceived by photoreceptor proteins. A low ratio of red to far-red radiation (RFR ratio) is a key signal of competition that is sensed by the photoreceptor phytochrome B (phy. Low RFR ratios increase the synthesis of growth-related hormones, including auxin and gibberellins, promoting stem elongation and other shade-avoidance responses. Other photoreceptors that help plants to optimize their developmental configuration and resource allocation patterns in
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