work probably in 18901, Salaman with S. X edinense probably in 1906, Wilson with S. demissum in 1908, Knappe with S. ... The researchers at first did not believe, as they used to say, that the hybrids with wild species could give rise to cultivated varieties, but those who continued with backcrossing soon became aware that seedling lines appeared among the backcross ... Today most species of the section Tuberozium have been brought to Europe where they are maintained inanbsp;...
|Title||:||Broadening the genetic base of crops|
|Author||:||A. C. Zeven, A. M. van Harten|
|Publisher||:||Bernan Press(PA) - 1979|