Plant Soil Environ., 2005, 51(10):469-475 | DOI: 10.17221/3619-PSE

Compounds of natural origin inducing winter wheat resistance to powdery mildew (Blumeria graminis f.sp. tritici)

L. Věchet1, J. Martinková2, M. Šindelářová3, L. Burketová3
1 Research Institute of Crop Production, Prague-Ruzyně, Czech Republic
2 Czech University of Agriculture in Prague, Czech Republic
3 Institute of Experimental Botany, Academy of Sciences of the Czech Republic, Prague, Czech Republic

In laboratory and small-field experiments inducers of synthetic origin: benzothiadiazole (BTH), salicylic acid, and inducers of biological origin: glycine betaine, extracts prepared from oak bark (Quercus robur L.), Reynoutria sacchaliensis L., curcuma (Curcuma longa L.), ginger (Zingiber officinale Roscoe) were effective against powdery mildew on the winter wheat (cv. Kanzler) susceptible to this disease. All studied inducers slightly effected the synthesis of new proteins (PR-proteins) that were localized in extracellular space. The efficacy of inducers was long-term. The most effective inducer was BTH; its application produced a number of chlorotic blotches on leaves

Keywords: winter wheat; inducer; powdery mildew; new proteins; disease severity

Published: October 31, 2005  Show citation

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Věchet L, Martinková J, Šindelářová M, Burketová L. Compounds of natural origin inducing winter wheat resistance to powdery mildew (Blumeria graminis f.sp. tritici). Plant Soil Environ. 2005;51(10):469-475. doi: 10.17221/3619-PSE.
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