ウドに関する研究(第1報) : 春ウドの芽の休眠打破に関する研究

概要

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1. Experiments were carried out in order to investigate the effects of chilling, gibberellin, and ethylene chlorhydrin treatments on the dormant bud of Yozaemon variety of udo, Araria cordata THUNB. 2. Roots of udo, cultured in Ibaragi city, Osaka prefecture were grubbed up for four times at intervals of one month from the latter part of September 1954, and after the chilling treatment for 4 weeks at about 4°C., they were set in a hot bed which was held at 27°C. The untreated showed, that under the natural field condition the dormancy of bud was broken toward the end of December, and the chilling treatments were very effective to break the dormancy. 3. Treatments of lanoline paste containing 0.1, 0.5, and 1.0% of gibberellin on the dormant buds of udo grubbed up on November 10, 1957, were also very effective to break the dormancy, and especially, the 1.0% treatment showed the best result. 4. Soaking treatments of udo roots in the ethylene chlorhydrin solution (0.1, 0.5, and 1.0%) for 30 minutes were not so effective as the gibberellin treatments.
園芸学会の論文