{"created":"2022-01-27T07:28:01.044616+00:00","id":2003232,"links":{},"metadata":{"_buckets":{"deposit":"98712a46-2354-45e7-a440-5a9716ca9b33"},"_deposit":{"id":"2003232","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"2003232"},"status":"published"},"_oai":{"id":"oai:u-ryukyu.repo.nii.ac.jp:02003232","sets":["1642837622505:1642837905044:1642837910985","1642838403551:1642838407312"]},"author_link":[],"item_1617186331708":{"attribute_name":"Title","attribute_value_mlt":[{"subitem_1551255647225":"\u6c96\u7e04\u7523\u6750\u306e\u6297\u87fb\u6027\u306b\u3064\u3044\u3066(\u6797\u5b66\u79d1)","subitem_1551255648112":"ja"},{"subitem_1551255647225":"On the Termite-resistance of Okinawan Timbers (Department of Forestry)","subitem_1551255648112":"en"}]},"item_1617186419668":{"attribute_name":"Creator","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"\u5c4b\u6211, \u55e3\u826f","creatorNameLang":"ja"}]},{"creatorNames":[{"creatorName":"Yaga, Shiryo","creatorNameLang":"en"}]}]},"item_1617186476635":{"attribute_name":"Access Rights","attribute_value_mlt":[{"subitem_1522299639480":"open access","subitem_1600958577026":"http://purl.org/coar/access_right/c_abf2"}]},"item_1617186626617":{"attribute_name":"Description","attribute_value_mlt":[{"subitem_description":"\u30b7\u30ed\u30a2\u30ea\u306f\u71b1\u5e2f\u3092\u4e2d\u5fc3\u306b\u68f2\u606f\u3057, \u88ab\u5bb3\u3082\u591a\u304f, \u53e4\u304f\u304b\u3089\u7814\u7a76\u5bfe\u8c61\u3068\u3057\u3066\u6ce8\u76ee\u3055\u308c\u3066\u3044\u308b\u3002\u5927\u5cf6(1919\u5e74)\u306f, Callitris glauca\u304b\u3089\u6297\u87fb\u6027\u6210\u5206\u3068\u3057\u3066\u6cb9\u72b6\u7269\u3092\u5206\u96e2\u3057\u305f\u3002\u3053\u308c\u304c\u6728\u6750\u306e\u6297\u87fb\u6027\u3092\u5316\u5b66\u7684\u306b\u53d6\u6271\u3063\u305f\u6700\u521d\u306e\u3082\u306e\u3067\u3042\u308b\u3002\u305d\u306e\u5f8c, G. N. Wolcott\u3084W. Sandermann\u3089\u306f\u71b1\u5e2f\u7523\u6750\u306b\u591a\u6570\u306e\u6bba\u87fb\u6210\u5206\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u898b\u51fa\u3057\u305f\u3002\u6e29\u5e2f\u7523\u306e\u4e3b\u8981\u6a39\u7a2e\u306e\u6297\u87fb\u5024\u306b\u3064\u3044\u3066\u306f, \u6e21\u8fba\u3089\u306b\u3088\u308a\u660e\u3089\u304b\u306b\u3055\u308c, \u305d\u3057\u3066\u8fd1\u85e4\u304a\u3088\u3073\u4f50\u4f2f\u3089\u306b\u3088\u308a\u6570\u7a2e\u306e\u65b0\u3089\u3057\u3044\u6bba\u87fb\u6210\u5206\u304c\u5358\u96e2\u540c\u5b9a\u3055\u308c\u305f\u3002\u8457\u8005\u306f, \u4e9c\u71b1\u5e2f\u306b\u5c5e\u3059\u308b\u6c96\u7e04\u7523\u6750\u306e\u6297\u87fb\u6027\u306b\u3064\u3044\u3066\u691c\u8a0e\u3057\u305f\u3002\u307e\u305a\u6e21\u8fba\u3089\u306b\u3088\u308a\u63d0\u6848\u3055\u308c\u305f\u30b7\u30ed\u30a2\u30ea\u7c21\u6613\u8a66\u9a13\u6cd5\u3092\u7528\u3044\u3066, 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\u3068\u304f\u306b\u5927\u578b\u30d7\u30ed\u30c8\u30be\u30a2\u306e\u6e1b\u5c11\u6570\u3068\u6297\u87fb\u5024\u306e\u6e1b\u5c11\u3059\u308b\u50be\u5411\u3068\u304c\u3088\u304f\u4e00\u81f4\u3057\u305f\u3002\u3053\u306e\u3053\u3068\u306f\u30d7\u30ed\u30c8\u30be\u30a2\u306e\u8a08\u6e2c\u304c\u91cd\u8981\u306a\u30b7\u30ed\u30a2\u30ea\u8a66\u9a13\u6cd5\u306e\u4e00\u3064\u3067\u3042\u308a\u5f97\u308b\u3053\u3068\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3042\u308b\u3002","subitem_description_type":"Other"},{"subitem_description":"Tremendous species of termites live in the tropical areas. As termites have brought about severe economic damages, investigations on termites woods interaction had been made by several workers. The first of this chemical investigation on termite-resistant wood was reported by M. Oshima, who isolated termiticidal oily substance from Callitris glauca in 1919. Afterwards, many termiticidal substance from tropical wood species had been reported by G. N. Wolcott, W. Sandermann and others. Description on the termite-resistant wood species in the temperate area of Japan was made by H. Watanabe and coworkers and this was followed by isolation and identification of numerous termiticidal substances by T. Kondo and I. Saeki and coworkers. In this theses, the relative values of antitermitic actitivities of 18 kinds of subtemperate timbers grown in the Okinawa islands and two kinds of timbers in the temperate area of Japan against the subterranean termite, Coptotermes formosanus Shiraki were estimated. A method for termite tests by H. Watanabe and coworkers was to say, that each test termite in the form of small block was exposed usually to attacking by termites including 300 workers and 30 soldiers at room temperature and relative humidity of ca. 98%. After feeding for 40 days, the percentage of weight loss of timber due to the termite attack was determined. Now, the auther has proposed an alternative test methods, in which the antitermitic values were measured by weight loss of a group termites during test periods for two weeks. These two methods were adopted to caluculate the antitermitic values quantitativelly. Wood materials for the termite test were prepared and examined in the forms of small block, shaving and meal respectively. Very differently from the results in the two formers, antitermitic activities of Sendan (Melia azedarach L.), Hetsuka-nigaki (Adina racemosa Miq.), Ji-sugi (a local species of Cryptomeria japonica D. Don), and Inumaki (Podocarpus macrophyllus Lamb) were remarkable only in the case of wood meals. Furthermore, the names of the wood species disclosed here agreed completely with those of the termite-resistant wood species for construction handed down to nowadays in the Okinawa islands.","subitem_description_type":"Other"},{"subitem_description":"It was therefore, belived that the termite test of woods for construction was more adequate to performing in the form of wood meal than in those of small block and shaving, and further the termite-proof value of woods for construction appeared after long periods of weathering would be dependent mainly upon chemical factor, namely extractives in the wood. The termite-resistance of Sendan and Hetsuka-nigaki was, therfore, investigated on the basis of above experimental results. The relative termite-resistance was different in different part of Sendan trees. Although the methanol extractives from the barks were more effective on the termite-resistance than those from the leaves, woods and seeds, the woods were chosen and examined because of its economic importance. It was shown that the termite-resistance of the Sendan wood should be attributed to the neutral fraction of the methanol extractives which could be divived into three active fractions. Among them, one with higher polarity and the highest activity contained both nimbolin A, a known limonoid and an unknown compound, C_<23>H_<38>O_5 as maijor substances causing termite-resistance of the Sendan wood. Extractives from Hetsuka-nigaki was then examined for the next species. As in the case of Sendan tree, extractives from the barks were more active than those from leaves and woods. The termiticidal substances from the wood as well as bark were found to be in the acetone solubles, from which \u03b2-sitosterol, noreuganin, crystalline scopoletin and scopolin were isolated by the method of chromatography. Out of these compounds, scopoletin and scopolin were shown to be main termiticidal substances and noreuganin to be less active. One of the traditional method of wood preserv","subitem_description_type":"Other"},{"subitem_description":"\u7d00\u8981\u8ad6\u6587","subitem_description_type":"Other"}]},"item_1617186643794":{"attribute_name":"Publisher","attribute_value_mlt":[{"subitem_1522300295150":"ja","subitem_1522300316516":"\u7409\u7403\u5927\u5b66\u8fb2\u5b66\u90e8"}]},"item_1617186702042":{"attribute_name":"Language","attribute_value_mlt":[{"subitem_1551255818386":"jpn"}]},"item_1617186783814":{"attribute_name":"Identifier","attribute_value_mlt":[{"subitem_identifier_type":"HDL","subitem_identifier_uri":"http://hdl.handle.net/20.500.12000/4218"}]},"item_1617186920753":{"attribute_name":"Source Identifier","attribute_value_mlt":[{"subitem_1522646500366":"ISSN","subitem_1522646572813":"0370-4246"},{"subitem_1522646500366":"NCID","subitem_1522646572813":"AN00250548"}]},"item_1617186941041":{"attribute_name":"Source Title","attribute_value_mlt":[{"subitem_1522650068558":"ja","subitem_1522650091861":"\u7409\u7403\u5927\u5b66\u8fb2\u5b66\u90e8\u5b66\u8853\u5831\u544a"},{"subitem_1522650068558":"en","subitem_1522650091861":"The Science Bulletin of the Faculty of Agriculture. University of the Ryukyus"}]},"item_1617187056579":{"attribute_name":"Bibliographic Information","attribute_value_mlt":[{"bibliographicIssueNumber":"25","bibliographicPageEnd":"613","bibliographicPageStart":"555"}]},"item_1617258105262":{"attribute_name":"Resource Type","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_1617265215918":{"attribute_name":"Version Type","attribute_value_mlt":[{"subitem_1522305645492":"VoR","subitem_1600292170262":"http://purl.org/coar/version/c_970fb48d4fbd8a85"}]},"item_1617605131499":{"attribute_name":"File","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","filename":"KJ00000161972.pdf","mimetype":"application/pdf","url":{"objectType":"fulltext","url":"https://u-ryukyu.repo.nii.ac.jp/record/2003232/files/KJ00000161972.pdf"},"version_id":"1fa71b83-c67b-4793-a8f3-50b3f17c3ed4"}]},"item_title":"\u6c96\u7e04\u7523\u6750\u306e\u6297\u87fb\u6027\u306b\u3064\u3044\u3066(\u6797\u5b66\u79d1)","item_type_id":"15","owner":"1","path":["1642837910985","1642838407312"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2008-02-14"},"publish_date":"2008-02-14","publish_status":"0","recid":"2003232","relation_version_is_last":true,"title":["\u6c96\u7e04\u7523\u6750\u306e\u6297\u87fb\u6027\u306b\u3064\u3044\u3066(\u6797\u5b66\u79d1)"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2022-02-15T05:32:46.688670+00:00"}