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Chemical Basis of the Resistance of Barley Seeds to Pathogenic Fungi by S. García; C. García; H. Heinzen; P. Moyna is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is Chemical Basis of the Resistance of Barley Seeds to Pathogenic Fungi about?

The 5-(n)-alkylresorcinol fraction of the epicuticular waxes of Hordeum vulgar-e seeds appeared to be responsible for their in-born resistance to pathogenic fungi such as Aspergillus niger and Penicillium crysogenum. The antifungal properties of this fraction were evaluated qualitatively and quantitatively with a novel bioassay where the extreme lipophilicity of these compounds was taken into account. The minimum inhibitory concentration in the fungi tested ranged from 5.6 to IO pg cm-\* for the alkyresorcinols. The behaviour of the different cultivars against these fungi could be predicted by measuring the natural amount of resorcinols of each variety by TLC-scanning densitometry. The ranking of cultivars thus established correlated well with the field behaviour of each cultivar, providing a useful and rapid method for predicting the behaviour against fungi of new varieties being developed.

Who reads Chemical Basis of the Resistance of Barley Seeds to Pathogenic Fungi?

Author

S. García; C. García; H. Heinzen; P. Moyna

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0031-9422)

Published

1997

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)