Letter | Published:

Devernalization by High Temperature

Naturevolume 155pages113114 (1945) | Download Citation



THE possibility of devernalization by high temperature was demonstrated in previous work1; but the aim then was to show that it is low temperature rather than restriction of growth which is the determining factor in vernalization. To separate these factors, anaerobic conditions were imposed during the period of high-temperature treatment, and misconceptions have arisen as to the validity of the results on this ground2,3,4.


  1. 1

    Gregory, F. G., and Purvis, O. N., Ann. Bot., N.S., 2, 753 (1938).

  2. 2

    Whyte, R. O., Biol. Rev., 14, 51 (1939).

  3. 3

    M. A. O., Herb. Rev., 8, 83 (1940).

  4. 4

    Bassarskaya, M. A., and Grossman. V. Ju., Herb. Abstr. Suppl. II, 11, 11 (1941).

  5. 5

    Efeikin, A. K., C.R. Acad. Set. U.S.S.R., 30 (7), 661 (1941).

  6. 6

    Tetjurev, V. A., C.R. Acad. Sci. U.S.S.R., 30 (2), 189 (1940).

  7. 7

    Gregory, F. G., and Purvis, O. N., Ann. Bot. N.S., 2, 237 (1938).

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  1. Research Institute of Plant Physiology, Imperial College of Science and Technology, London, S.W.7.

    • O. N. PURVIS
    •  & F. G. GREGORY


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