Motion-induced inhibition of elongation and induction of dormancy in liquidambar.
Moderate shaking of Liquidambar trunks for 30 seconds daily reduced height growth to only 20 to 30 percent of that of trees not shaken. Six of eight trees shaken set terminal buds within 3 weeks. The trees which were not shaken formed no terminal buds. An endogenous mechanism for regulating tree growth in windy situations is implicated.
Neel
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Harris
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