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Vernalization and devernalization reactions of kohlrabi (Brassica oleracea convar. acephala var. gongylodes L.)


Gartenbauwissenschaft 51(4): 184-189
Vernalization and devernalization reactions of kohlrabi (Brassica oleracea convar. acephala var. gongylodes L.)
Sensitivity to vernalization of Express Forcer began after a short juvenile period. Vernalization of seed was not effective. At optimal temperatures for vernalization (2-8 degrees C) the critical exposure time was 6 weeks. The upper limit of the inductive temperatures lay between 11 and 14 degrees. High post-vernalization temperatures delayed flowering. The response to an interrupted chilling period was less than to a continuous chilling period with an identical amount of chilling.


Accession: 001507271



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