The common potato, Solanum tuberosum L., is the third most important food crop and is
grown and consumed worldwide. Indigenous cultivated (landrace) potatoes and wild potato …

This paper reviews the systematics of wild potatoes over the past 11 years, in reference to
the latest comprehensive taxonomic treatment by Hawkes (1990. The potato: evolution …

Asymmetric postmating isolation, where reciprocal interspecific crosses produce different
levels of fertilization success or hybrid sterility/inviability, is very common. Darwin …

Polyploidization has played a major role in the origin and evolution of polyploid species. In
this article we outline the unique characteristics of 2 n gametes and implications of their …

Potato (Solanum tuberosum L.), mankind's third most consumed food crop, originated as an
interspecific hybrid in the Andean highlands. More than 100 species closely related to potato …

Potato breeding via ploidy manipulations Page 29 2 Potato Breeding via Ploidy
Manipulations* Rodomiro Ortiz The Royal Veterinary and Agricultural University (KVL) …

Publisher Summary Potato breeders are challenged by the tetraploid nature of the potato,
limited variability for economically important traits in adapted breeding clones, and a …

The cultivated potato, Solanum tuberosum L.(2 n= 4 x= 48), has a very large number of
related wild and cultivated tuber-bearing species widely distributed in the Americas. These …

There is no better use of sexual reproduction in regard to breeding and genetic research
than the ploidy level manipulations possible in the potato and its relatives. Unique …

Abstract The Endosperm Balance Number (EBN) hypothesis was developed in the early'80s
to explain the basis for normal seed development after intra-and inter-specific crosses, first …