琉球列島・石垣島におけるサトウキビ畑の雑草群落に関する研究

概要

論文の詳細を見る
1. The purpose of the present study is to investigate and set up a phytosociological classification weed communities occurring in sugarcane fields throughout the Ryukyu Islands. This report presents the data obtained for Ishigaki Island. 2. Thirty-one (31) parameters relating to vegetation were assembled the tabulated using the method 0L Zurich-Montpellier. The following vegetation units were identified. Veronica javanica-Anagallidetum coeruleae MIYAWAKI 1969 A : Sub-association of Amaranthus spinosus. a : Variant cf Arenaria ser pyllifolia. b : Typical variant. B : Typical sub-association. C : Sub-association of Centella asiatica. c : Typical variant. d : Variant of Paspaluln conjugatum. 3. Variant of Arenaria serpyllifolia and typical variant of the sub-association in the Amaranthus spinosus occur in well-managed newly planted fields, except that the quality of management is higher for the former. Typical variant of the sub-association of Amaranthus spinosus and variant of Paspalum conjugatum in the sub-association of Centella asiatica occur both in poorly managed newly planted and ratooned fields.
日本雑草学会の論文
1985-12-21