biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 5:310-317, 1963 | DOI: 10.1007/BF02930912

Quantitative determination of cyanogenesis in plants

Václav Pokorný1,2
1 Institute of Genetics, Faculty of Natural Sciences, Charles University, Praha
2 Institute of Experimental Botany, Czechoslovak Academy of Sciences, Praha

A method suitable for serial determinations in genetic experiments is described. Colorimetric determination of HCN (by 1-phenyl-3-methyl-5-pyra-zolone and pyridine, phenolphthalin or sodium picrate) facilitates processing of samples releasing 0.2 μg to 20 μg of HCN. Before hydrolysis of the glycoside the oil content in the seeds can be determined. Variance analysis of the cyanogenic properties of the particular seeds of two sorts of flax with an average HCN content of 0.4 and 0.9 μg shows that the differences between plants and between capsulae of the same plant can be determined.

Received: October 5, 1962; Published: December 1, 1963  Show citation

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Pokorný, V. (1963). Quantitative determination of cyanogenesis in plants. Biologia plantarum5(4), 310-317. doi: 10.1007/BF02930912
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