@article{bryan_pesic-vanesbroeck_schultheis_pecota_swallow_yencho_2003, title={Cultivar decline in sweetpotato: I. Impact of micropropagation on yield, storage root quality, and virus incidence in 'Beauregard'}, volume={128}, number={6}, journal={Journal of the American Society for Horticultural Science}, author={Bryan, A. D. and Pesic-Vanesbroeck, Z. and Schultheis, J. R. and Pecota, K. V. and Swallow, W. H. and Yencho, G. C.}, year={2003}, pages={846–855} }
 @article{bryan_schultheis_pesic-vanesbroeck_yencho_2003, title={Cultivar decline in sweetpotato: II. Impact of virus infection on yield and storage root quality in 'Beauregard' and 'Hernandez'}, volume={128}, number={6}, journal={Journal of the American Society for Horticultural Science}, author={Bryan, A. D. and Schultheis, J. R. and Pesic-Vanesbroeck, Z. and Yencho, G. C.}, year={2003}, pages={856–863} }