Afal drwg Adda – a hanes ambell ffrwyth a llysieuyn arall

Cymdeithasau Gwyddonol Gwynedd a Chaerdydd. (Rhagfyr 2020)

Ffynonellau a darllen pellach

Jered Diamond (1997) Guns, Germs, and Steel: The Fates of Human Societies. Chatto & Windus (Vintage)

(Yn ystod y drafodaeth crybwyllwyd:
Carwyn Graves (2018) Afalau Cymru. Gwasg Carreg Gwalch.
Lewis Dartnell (2019). Origins: How Earth’s History Shaped Human History. Basic Books)

Nina Martyris (2017) ‘Paradise Lost’: How The Apple Became The Forbidden Fruit. National Public Radio, USA

Evan Nicole Brown (2018). A Detail You May Not Have Noticed in Michelangelo’s Sistine Chapel Fresco. Atlas Obscura

Max-Planck-Institut für Menschenheitsgeschichte (2019) Exploring the origins of the apple. ScienceDaily.

Robert Nicholas Spengler (2019). Origins of the Apple: The Role of Megafaunal Mutualism in the Domestication of Malus and Rosaceous Trees. Frontiers in Plant Science (27 Mai 2019)

Anthony D. Barnosky, Paul L. Koch, Robert S. Feranec, Scott L. Wing, Alan B. Shabel (2004). Assessing the Causes of Late Pleistocene Extinctions on the Continents. Science  306 (5693) 70-75

Daniel H. Janzen a Paul S. Martin (1982).  Neotropical Anachronisms: The fruits the Gomphotheres ate. Science 21, (4528) 19-27

Silk Road (Wikipedia).

Susie Neilson (2019) How Almonds Went From Deadly To Delicious.  National Public Radio, USA.

R. Sánchez-Pérez, S. Pavan, R. Mazzeo, C. Moldovan, R. Aiese Cigliano, J. Del Cueto, F. Ricciardi, C. Lotti,  L. Ricciardi, F. Dicenta,  R. L. López-Marqués,  B. Lindberg Møller (2019) Mutation of a bHLH transcription factor allowed almond domestication. Science 364 (6445) 1095-1098

K. Annabelle Smith (2013) Why the Tomato Was Feared in Europe for More Than 200 Years. How the fruit got a bad rap from the beginning. Smithsonian Magazine (June 18, 2013)

David M. Spooner, Karen McLean, Gavin Ramsay, Robbie Waugh, a Glenn J. Bryan (2005) A single domestication for potato based on multilocus amplified fragment length polymorphism genotyping. Proc Natl Acad Sci USA 102 (41) 14694-14699

Michaeleen Doucleff (2013) How The Sweet Potato Crossed The Pacific Way Before The Europeans Did.  National Public Radio, USA

Jennifer Harbster (2010) A Sweet Potato History. Library of Congress – Inside Adams.

Moron (Wikipedia)

Panas (Wikipedia)

Hanes Reis (Wikipedia

Briana L. Gross a Zhijun Zhao (2014) Archaeological and genetic insights into the origins of domesticated rice.  Proc Natl Acad Sci USA 111 (17) 6190-6197 

Betys Siwgr (Wikipedia)

Pecan (Wikipedia)

Logan Kistler, Lee A. Newsom, Timothy M. Ryan, Andrew C. Clark, Bruce D. Smith a George H. Perry  (2015)  Gourds and squashes (Cucurbita spp.) adapted to megafaunal extinction and ecological anachronism through domestication.  Proc Natl Acad Sci USA. 112 (49) 15107–15112.