Resistance genes incorporated in gene complex in Croatian wheat varieties which are registered in Slovenia
2001
Koric, B. (Plant Protection in Agriculture and Forestry Inst., Zagreb (Croatia))
Wheat breeding for resistance to diseases was started in Croatia Prof. Dr. Gustav Bohutinsky (1903.-1912.). His work was followed by Prof. Dr. Mirko Koric (1922.-1947.) whose variety U1 earmarked a great period of development of agriculture in Croatia. After the Second World War, Dr. Josip Potocanac was continued this work during which time its quality was raised to the world's level. Investigating how individual resistance genes were incorporated into gene pool of certain wheat varieties, I come to a conclusion that it occurred either randomly or was targeted. First group consists of resistance that were incorporated into gene pool certain randomly, and are the results of mutual crossing between genotypes aimed at improving some other agronomic traits. Effectiveness of those genes was not always satisfactory. The other group consists of resistance genes that have been incorporated into the gene pool of certain varieties by targeted breeding. Such way of breeding produced very good results, especially when diseases like stem rust, powdery mildew, septoria nodorum blotch and scab.
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