Physiological and Ecological Studies on the Secretory Function of Essential Oil in Pelargonium Species. : XIV. The wintering condition of Pelargonium and micro-climatic environment.

Abstract

In the most frequent frosting locality of Hakata Island the Pelargonium was planted and a study was carried out during the wintering season as to about what time and at what degree of frost the plant would get withered and the upper limit of the frequency of frost aforesaid was proved to be true. It was also found to be advantageous to have the plant grown thick before the wintering season for avoiding the frost damages.