The effect of some endogenic substances contained in the cortical parenchyma of apple trees on growth in vitro of the fungus Phytophthora cactorum (Leb. of Cohn) Schroeter

A. Bielenin, J. Cimanowski, J. Nowacki

Abstract


Gel filtration of an alkaline extract of the cortical parenchyma yielded four fractions of which two had activity in vitro on the growth of Phytophthora cactorum. Fraction I was stimulatory and fraction IV inhibitory; one of the inhibitors in fraction IV was identified as phloridzin. When the extraction solvent contained sodium sulphite in addition to sodium hydroxide, fraction II showed inhibitory activity.

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DOI: https://doi.org/10.5586/aa.1973.023

Journal ISSN:
  • 2300-357X (online)
  • 0065-0951 (print; ceased since 2016)
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Publisher
Polish Botanical Society