Документ взят из кэша поисковой машины. Адрес оригинального документа : http://herba.msu.ru/shipunov/school/biol_330/2013_2014/presentations/sweet_potato/sweet_potato_presentation.pdf Дата изменения: Wed Feb 12 20:54:08 2014 Дата индексирования: Mon Apr 11 04:50:05 2016 Кодировка:

Sweet Potato

From S. America to Polynesia

Hye Ji Lee Biol 330 Feb 12, 2014


Historical Collections Reveal Patterns of Diffusion of Sweet Potato in Oceania Obscured By Modern Plant Movements and Recombination
Roullier, Benoit, Mckey 2013 " TRIPARTITE HYPOTHESIS"


Satellite View of Oceania


Tripartite Hypothesis
First Origin: Polynesian Voyagers diffusing throughout Polynesia. Second and Third Origin: European contact by local traders and European travelers in the Western Pacific.

Kon-Tiki
Thor Heyerdahl, April 1947


Kuumala (Polynesian)

Kumara (South American)


HOW?

-Uses nuclear and chloroplast microsatellite markers -Peru-Ecuador region as Southern Gene Pool (Kumara line) -Caribbean and Central America region as Northern Gene pool (Batata and Camote lines)


GEOGRAPHICAL DISTRIBUTION

Collections from Tropical America, Oceania, and Southeast Asia K1 nuclear cluster= Southern Gene Pool K2 nuclear cluster= Northern Gene Pool Western Pacific: Mostly from K2 Most of Polynesia: Mostly from K1


Genes and Names

-Sweet potato reproduce sexually -Permits frequent recombination -Name likely to follow phenotype


REFERNCE
· http://ashipunov.info/shipunov/school/biol_330/presentat
ions/roullier2013_sweet_potato_oceania.pdf · http://en.wikipedia.org/wiki/Kon-Tiki

· http://www.earlsorganic.com/is-it-a-sweet-potato-or-ayam/ · http://upload.wikimedia.org/wikipedia/commons/4/44/Oc eania_satellite.jpg