Abstract
The rust resistance of a 56-chromosome wheat-Agropyron derivative was found to be controlled by a gene or genes on a single Agropyron chromosome. Resistant wheat plants having 21II of wheat chromosomes plus a single added Agropyron chromosome were produced. Spikes of these plants were irradiated with either gamma rays or X-rays and seeds were irradiated with thermal neutrons. As a result of the irradiation, in at least five lines and possibly seven a piece of the Agropyron chromosome carrying the gene or genes for rust resistance was transferred to a wheat chromosome. One of the translocations is transmitted normally through the gametes but the remaining six show irregularities in transmission particularly through the pollen.
Publisher
Canadian Science Publishing
Subject
Horticulture,Plant Science,Agronomy and Crop Science
Cited by
85 articles.
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