@article{oai:kpu.repo.nii.ac.jp:00004950,
 author = {田中, 貞雄 and Tanaka, Sadao and 竹岡, 政治 and Takeoka, Masaji},
 journal = {京都府立大學學術報告. 農學, The scientific reports of Kyoto Prefectural University. Agriculture},
 month = {Nov},
 note = {ヒノキの稚樹発生ならびに消失の基礎試験を学内の苗畑と八瀬の林内試験地で行った。1. ヒノキの稚樹は平均気温が15℃ほどになると発生しはじめる。試験地では4月の中・下旬であった。そして7月ころには大部分の発生を終る。2. 温度と土壌水分がヒノキのタネの発芽に十分であれば, 相対照度30%くらいが発芽に最も適し, 100%では抑制され, 5%以下では困難なようである。3. 稚樹の消失時期は7∿8月ころが多く, 消失原因は林内環境で差がある。八瀬試験地のようにA_0層が少なく, A層が浅いところでは雨による倒伏, 埋没, 流失の害が多くなる。A_0層の厚い林地では雨による被害より虫害や乾燥害の多くなることが予想される。越冬稚苗の寒さの害は比較的少ないようである。4. ヒノキのタネの発芽環境と生育環境は異なるので, さらにこの研究が必要である。, Basic studies on the germination and the mortality of HINOKI (Chamaecyparis obtusa ENDL.) seedlings were performed on the nursery of the Kyoto Prefectural University and the forest land of Yase, Sakyo-ku, Kyoto. The results obtained are as follows : 1. The seedling of HINOKI begins to germinate when the average temperature comes to about 15℃ (it is in the second and the third ten days of April in the forest land of Yase), and the greater part of germination comes to an end in July. 2. When the temperature and the soil moisture are sufficient for the germination, the relative lux about 30% is most suitable for it. It is restrained at 100% lux, and seems to be difficult under 5%. 3. The mortality of seedlings is highest from July to August, and the causes for the mortality are different according to the forest environment. In the place where A_0 layer is thin and A layer is shallow as the Yase experimental plot, the runing-off, burial and fall of seedlings caused by rain come to increase. In the forest land where A_0 layer is thick, it is assumed that insect and drought damage becomes more than that caused by rain. The frost damage for hibernal seedlings seems to be comparatively little. 4. Future study is necessary because the environment for the germination of the seeds of HINOKI differs from the environment of growth.},
 pages = {59--66},
 title = {ヒノキ天然更新の基礎試験 I : 稚樹の発生および消失(林学部門)},
 volume = {27},
 year = {1975},
 yomi = {タナカ, サダオ and タケオカ, マサジ}
}