Survival of two varieties ofErwinia carotovora onDrosophila melanogaster meigen andDrosophila busckii Coquillett, (Diptera:Drosophilidae) vectors of potato blackleg in Colorado J. W. BrewerM. D. HarrisonJ. A. Winston OriginalPaper Pages: 439 - 449
Rosa: A new golden nematode resistant variety for chipping and tablestock R. L. PlaistedH. D. ThurstonR. C. Cetas OriginalPaper Pages: 451 - 455
Bacillus thuringiensis a potential control agent for the Colorado potato beetle George E. CantwellWilliam W. Cantelo OriginalPaper Pages: 457 - 468
Yield and combining abilities in Andigena potatoes after six cycles of recurrent phenotypic selection for adaptation to long day conditions F. J. MunozR. L. Plaisted OriginalPaper Pages: 469 - 479
The use of bees for the purpose of inter-mating in potato J. C. SanfordR. E. Hanneman OriginalPaper Pages: 481 - 485