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  • Author or Editor: E. H. Birnbaum x
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A technique is described for pulling a 1/8-inch wide strip of periderm (skin) from a sweetpotato root with an Instron Model TM. Peeling force values from 3.6 to 14.0 g were recorded. Root skin of ‘Earlyport’ and ‘Julian’ showed lower peeling forces than those of ‘Gem’ and ‘Centennial’. Failure force values were 2 to 4 times as great as peeling force values and did not differ significantly among cultivars. The data are related to known cultivar differences in skin characteristics.

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