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Document Type

Thesis

Date of this Version

3-1968

Citation

Thesis (M.S.)—University of Nebraska—Lincoln, 1968. Department of Horticulture and Forestry.

Comments

Copyright 1968, the author. Used by permission.

Abstract

Inheritance of Verticillium wilt resistance has been found to be regulated by a single gene mechanism in different plant species, some closely related to potatoes. The recent use of haploids (2n=24) of the tetraploid cultivated potato (2=48) in genetic studies implies a possible reduction of the complexities generally involved in inheritance studies and in applied breeding with potatoes.

Acquiring knowledge of the genetic processes of transmission of resistance will increase the efficiencies of the breeding methods towards control of the disease.

Therefore, the objectives of this study were: 1) to evaluate and compare different methods of inoculation of potatoes with Verticillium albo-atrum in relation to disease expression and population screening, and 2) to determine the genetic nature of the inheritance of the reaction of potato clones to Verticillium wilt.

Advisor: Robert B. O’Keefe

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