Hybrid incompatibility and F1 hybrid dysgenesis in the interspecific hybridization between pumpkin (Cucurbita moschata Duch.) winter squash maxima have been previously noted. For this reason, it is difficult to obtain F2 generations due sterility. However, back-crossing add-crossing can be utilized overcome these barriers hybridization. To date, few studies focused on parental selection, proces...

Although geneticists and archaeologists continue to make progress world-wide in documenting the time and place of the initial domestication of a growing number of plants and animals, far less is known regarding the critically important context of coalescence of various species into distinctive sets or complexes of domesticates in each of the world's 10 or more independent centers of agricultura...