ヨモギの生理生態およびその防除法に関する研究 : 第3報耕地におけるヨモギのlife cycleについて

概要

論文の詳細を見る
1) Life cycle of Artemisia princeps Pamp. in southern part of Japan was investigated. In this investigation plants were obtained from buds of subterranean stem sections. Subterranean stem sections of about 5cm long were planted under 3cm thick of covering soil in every month in all the year round. Results were as follows. 2) Durations from planting of subterranean stem sections under 3cm thick of covering soil to their emergence were 10-20 days from February to October, about 30 days in January and November, and about 45 days in December. 3) Plants which had been emerged in the period from January to the end of July initiated flowers in August and blossomed in October. However, plants emerged after August could not initiate flowers by the next August. 4) Periods from emergence to birth of new subterranean stems from the seedlings were a month in March-September, two months in February, three months in January and four months in October-December. At the time of birth the new subterranean stems, the seedling had about 10 full panded leaves and their plant height was about 10cm long. 5) Tips of growing subterranean stems under ground emerged at the period from November and grew to new seedlings.
日本雑草学会の論文
1970-11-25