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Effect of rust infection on the cyto kinin level of wheat cultivars susceptible and resistant to puccinia graminis f sp tritici



Effect of rust infection on the cyto kinin level of wheat cultivars susceptible and resistant to puccinia graminis f sp tritici



Acta Phytopathologica Academiae Scientiarum Hungaricae 11(3-4): 155-160



Compatible and incompatible rust-race/host-cultivar combinations exhibited increased levels of cytokinin in the primary wheat [Triticum compactum, T. dicoccum] leaves. The rust-induced increase in cytokinin content was more intensive in the compatible combination than in the incompatible one. The same active compounds, chromatographically similar to the free base and the nucleoside form of zeatin and N6-(.DELTA.2-isopentenyl)-adenine and to its riboside are present in extracts prepared from both healthy and infected seedlings of the 2 combinations. However, each extract contains additional active factors with Rf values different from that of the standards applied in this work.

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Accession: 005267509

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