玉葱の肥大及び休眠に関する研究(第3報) : 貯蔵中における萠芽過程について

概要

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This paper reports the results of the morphological studies on the growth of inner scales of stored onion, employing Imai-wase, Sapporo-ki and Aichi-shiro. (1) New scale formation was simultaneously recognized when the inner scales begun to grow in stored onion. (2) Increase of number of scales and elongation of scaly leaves in stored onion began at about 30-60 days after harvest in the three varieties used. From these results it was found that the true rest period of onion bulbs was for about a month on average under ordinary storage conditions, and the period from the beginning of growth to the sprouting was for 1-2 months. (3) Accordingly, it is necessary for prolongation of non-sprouting period in stored onion to find out the suitbble condition to lengthen the rest period and to suppress the elongation of inner scales after the end of the rest period respectively.
園芸学会の論文