Jeff Scher

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Using the TWIFOR, an electronic device for continuous, in vivo measurement of the forces exerted by twining vines, we examined the forces generated by vines growing on cylindrical poles of slender (6.35 mm) and thicker (19.05 mm) diameter. In stems of Ipomoea purpurea (L.) Roth. magnitudes of twining force (axial tensions) were, on average, less at a(More)
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