RAMOSUS genes regulate production of these structures, whose suppression was observed by the application of a growth substance by Skoog and Thimann. The main non-root-based function of strigolactones is suppressing the formation of these structures. Da Vinci’s rule observes that the combined cross sectional area of these features matches that of their base. The phrase “imposition of inhibition” refers to the suppression of the growth of these structures, which is believed to be due to increased (*) auxin concentrations according to direct theories of apical dominance. Decapitation of a terminal bud allows lateral buds to grow into these structures, which many pruning techniques take advantage of. Boughs are large examples of, for 10 points, what woody structures that grow from stems or trunks? ■END■
ANSWER: branches [prompt on lateral buds or shoots; prompt on twigs by asking “twigs are an example of what structures?”; prompt on boughs by asking “boughs are an example of what structures?”; reject putatively less specific answers like “trees” or “stems” or “trunks”]
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= Average correct buzz position