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タイトルヨミ
ヤクザイ ノ リュウボク チュウニュウ ニ カンスル ケンキュウ ダイ17ホウ アカマツ ハクヒ ノ セイリガクテキ チケン
日本語以外のタイトル
On the Injection of Chemicals into Living Trees(17) : Some physiological notes on the chemical peeling of Akamatsu (Pinus densiflora)
ファイル
言語
日本語
著者
山科 健二
内容記述(抄録等)
In the manufacture of pulp and paper it is essential that pulpwood bolts be free of bark and it is important to facilitate the barking of pulpwood for decreasing the pulping cost.
For that purpose, the method of putting the chemicals into a tree has been reported to be of some effective.
Akamatsu (pinus densiflora) was used as the experimental tree and Sodium arsenite was applied to a ring-barked part.
Sodium arsenite proved to be the most effective chemical for facilitating removal of bark.
The chemicals went up all right with the sap flow and the withering phenomena seen after applying the chemicals into the tree extented downwards from the needles of 1st whorled branch, the top of stem, to bottom.
The experimental results are shown Table 1, 2 and Fig. 1-8.
June and July and possibly the first past of August were found to be the best months for application of chemicals in order to render the bark easy to peel in the Aufumn of the year of treatment.
After three months for application of chemicals the bark was easily removed, but after one or two months for application of chemicals the bark was not easily separeted from the wood and sometimes becomes difficult be remove.
The physiological means of chemical peeling is to perfectly killing the cambium region of the tree. I made clear this aspect by the microphotograph. For the purpose, the 40 per cent sodium arsenite solution was the most effective chemicals.
掲載誌名
島根農科大学研究報告
8
開始ページ
(A)136
終了ページ
140
ISSN
05598311
発行日
1960-03-31
NCID
AN00108241
出版者
島根農科大学
出版者別表記
The Shimane Agricultural College
資料タイプ
紀要論文
部局
生物資源科学部
備考
A,Bを含む
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