Sweetpotato Diversity Tree

The Sweetpotato Diversity Tree is a representation of the overall structure of crop diversity obtained by dividing the diversity within a crop genepool in a hierarchical manner. The structure of the tree is based on published information and consultation with experts.

Credits for contributing to the development of the Sweetpotato Diversity Trees (in alphabetical order):

Literature consulted

Feng, J. Y., et al. 2018. “Analysis of evolution and genetic diversity of sweetpotato and its related different polyploidy wild species I. trifida using RAD-seq.” BMC Plant Biology 18(1): 181.

Gichuru, V., et al. 2005. “A preliminary analysis of diversity among East African sweetpotato landraces using morphological and simple sequence repeats (SSR) markers.” II International Symposium on Sweetpotato and Cassava: Innovative Technologies for Commercialization 703.

Gichuki, Simon Templar, et al. 2003. “Genetic diversity in sweetpotato [Ipomoea batatas (L.) Lam.] in relationship to geographic sources as assessed with RAPD markers.” Genetic Resources and Crop Evolution 50(4): 429-437.

Glato, Kodjo, et al. 2017. “Structure of sweet potato (Ipomoea batatas) diversity in West Africa covaries with a climatic gradient.” PloS one 12(5): e0177697.

Global Crop Diversity Trust. 2007. “Global Strategy for the ex situ conservation of sweetpotato genetic resources.”

Huang, J. C., and M. Sun. 2000. “Genetic diversity and relationships of sweetpotato and its wild relatives in Ipomoea series Batatas (Convolvulaceae) as revealed by inter-simple sequence repeat (ISSR) and restriction analysis of chloroplast DNA.” Theoretical and Applied Genetics 100(7): 1050-1060.

Khoury, Colin K., et al. 2015. “Distributions, ex situ conservation priorities, and genetic resource potential of crop wild relatives of sweetpotato [Ipomoea batatas (L.) Lam., I. series Batatas].” Frontiers in Plant Science 6: 251.

Moulin, Monique Moreira, et al. 2012. “A comparison of RAPD and ISSR markers reveals genetic diversity among sweet potato landraces (Ipomoea batatas (L.) Lam.).” Acta Scientiarum. Agronomy 34(2): 139-147.

Roullier, Caroline, et al. 2013. “Disentangling the origins of cultivated sweet potato (Ipomoea batatas (L.) Lam.).” PLoS One 8.5: e62707.

Roullier, Caroline, et al. 2013. “On the origin of sweet potato (Ipomoea batatas (L.) Lam.) genetic diversity in New Guinea, a secondary centre of diversity.” Heredity 110(6): 594.

Sagredo, Boris, et al. 1998. “Genetic variation of sweet potatoes (Ipomoea batatas L.) cultivated in Chile determined by RAPDs.” Euphytica 101(2): 193-198.

Su, Wenjin, et al. 2017. “Genome-wide assessment of population structure and genetic diversity and development of a core germplasm set for sweet potato based on specific length amplified fragment (SLAF) sequencing.” PloS one 12(2): e0172066.

Veasey, Elizabeth Ann, et al. 2008. “Genetic diversity in Brazilian sweet potato (Ipomoea batatas (L.) Lam., Solanales, Convolvulaceae) landraces assessed with microsatellite markers.” Genetics and Molecular Biology 31(3): 725-733.

Yang, Xin-sun, et al. 2015. “Molecular diversity and genetic structure of 380 sweetpotato accessions as revealed by SSR markers.” Journal of Integrative Agriculture 14(4): 633-641.

Wadl, Phillip A., et al. 2018. “Genetic diversity and population structure of the USDA sweetpotato (Ipomoea batatas) germplasm collection using GBSpoly.” Frontiers in Plant Science 9: 1166.

Zhang, Dapeng, et al. 2000. “Assessing genetic diversity of sweet potato (Ipomoea batatas (L.) Lam.) cultivars from tropical America using AFLP.” Genetic Resources and Crop Evolution 47(6): 659-665.

Zhang, Kai, et al. 2014. “ISSR-based molecular characterization of an elite germplasm collection of sweet potato (Ipomoea batatas L.) in China.” Journal of Integrative Agriculture 13(11): 2346-2361.


The Genebanks

The 11 CGIAR genebanks currently conserve 730,000 of cereals and grain legumes, forage crops, tree species, root and tuber crops, bananas and crop wild relatives.