Abstract
There were proposed the results for the study of establishing of artificial infectious background for the resistance determining on potato breeding material to wart in laboratory terms during the state testing against potato wart disease pathotype 1 and four aggressive potato wart pathotypes. The optional variety was determined with the usage of soil : perlite (1 : 1). It allows to receive the exact result. There were evaluated 10 potato hybrides. Then the results were transmitted into the Ukrainian Institute for Plant Variety Examination for the approving into the wart resistance list, with the following input into the National State registry and it’s implementing in the disease sources.
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