Abstract
THERMOPHYLAXIS is here defined as sensitivity to heat resulting from a previous exposure to heat. The phenomenon has been demonstrated clearly only with bean (Phaseolus vulgaris)1 and the uredinial stage of the bean rust fungus (Uromyces phaseoli) in bean, but preliminary results with cowpea and with the powdery mildew, Sphaerotheca fuliginea, indicate that thermophylaxis may be demonstrable in many species. This report deals only with Uromyces, with which the phenomenon seems better expressed than with the other plants indicated.
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References
Yarwood, C. E., Plant Physiol., 37, Supp. 70 (1962).
Yarwood, C. E., and Holm, E. W., Phytopath., 52, 709 (1962).
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YARWOOD, C. Thermophylaxis in Bean Rust. Nature 203, 426–427 (1964). https://doi.org/10.1038/203426a0
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DOI: https://doi.org/10.1038/203426a0
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