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
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Gel filtration of an alkaline extract of the cortical parenchyma yielded four fractions of which two had activity <i>in vitro</i> on the growth of <i>Phytophthora cactorum</i>. 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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1986 ◽
Vol 250
(3)
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pp. R328-R332
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1974 ◽
Vol 62
(3)
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pp. 767-779
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1969 ◽
Vol 22
(03)
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pp. 577-583
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