Broadening the genetic base of onion to develop better-adapted varieties for organic farming systems.

Edith T. Lammerts van Bueren, L.J.M. van Soest, E.C. de Groot, I.W. Boukema, Aart M. Osman. 2005. Broadening the genetic base of onion to develop better-adapted varieties for organic farming systems.. Euphytica. 146