Genetic factors governing resistance and susceptibility of oats to Puccinia coronata Corda var. avenae, F. and L., Race 57

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2017-06-12
Authors
Finkner, Verne
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Extension and Experiment Station Publications
It can be very challenging to locate information about individual ISU Extension publications via the library website. Quick Search will list the name of the series, but it will not list individual publications within each series. The Parks Library Reference Collection has a List of Current Series, Serial Publications (Series Publications of Agricultural Experiment Station and Cooperative Extension Service), published as of March 2004. It lists each publication from 1888-2004 (by title and publication number - and in some cases it will show an author name).
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Abstract

Many oat investigators believe that disease-resistant varieties can be maintained only by continuous breeding to keep pace with the uncontrollable change in races of highly specialized obligate parasites such as Puccinia coronata avenae, which causes crown rust of oats. This concept is being utilized, at the present time in oat breeding programs by supplementing the Bond type of crown rust resistance with other types of resistance to prevalent races which now attack Bond and its derivatives. If these methods continue to be the hope of maintaining disease resistance, the efficiency of the program depends upon the rapid transfer of genes for crown resistance to agronomically desirable varieties. The most satisfactory method to attain this efficiency would be to catalog genetic factors and combinations of genetic factors for resistance to specific races. Such information would facilitate rapid transfer of resistance to agronomically desirable varieties for any race of rust which appears as a potential threat to present-day varieties.

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