From the Editors. 369
Bringhurst, R.S. and V. Voth. Breeding octoploid strawberries. 371
Dewey, D.R. Wide-hybridization and induced-polyploid breeding strategies for perennial grasses of the Triticeae tribe. 383
Einspah, D.W. Production and utilization of triploid hybrid aspen. 401
Hermsen, J.G. Th. Nature, evolution, and breeding of polyploids. 411
Hermsen, J.G. Th. Mechanisms and genetic implications of 2n-gamete formation. 421
Hermsen, J.G. Th. The potential of meiotic polyploidization in breeding allogamous crops. 435
Hermsen, J.G. Th. Haploids as a tool in breeding polyploids. 449
Hermsen, J.F.Th. Some fundamental considerations on interspecific hybridization. 461
Rook Review. 475
"Iowa State Journal of Research 58.4,"
Iowa State Journal of Research: Vol. 58
, Article 1.
Available at: https://lib.dr.iastate.edu/iowastatejournalofresearch/vol58/iss4/1