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タイトル水稲早生品種に対する苗代期間の夜間低温処理の影響
タイトルヨミスイトウ ソウセイ ヒンシュ ニ タイスル ナワシロ キカン ノ ヤカン テイオン ショリ ノ エイキョウ
タイトル別表記Effects of Low Temperature at Night during Nursery Period on the Early-Maturing Varieties of Rice.
作成者土井, 彌太郎
山県, 恂
作成者ヨミドイ, ヤタロウ
ヤマガタ, マコト
作成者別表記Doi, Yataro
Yamagata, Makoto
作成者所属山口大学農学部
内容記述(抄録等)In order to investigate the physiology of rice varieties for the purpose of establishing the early-or late-sowing system in the warmer region of Japan,the effects of low temperature at every night during nursery period were examined. This experiment was carried out with 4 early-maturing varieties.The night temperature and day length during the nursery period (34 days)were as follows : (1)Low-temperature(average 8.1℃.)and short-day treatment at every night(16 hours). (2)High-temperature(average 20.3℃.)and short-day treatment at every night(16 hours). (3) Natural temperature and day length. 2.The premature heading of the varieties which were sensible to hightemperature or short-day treatment was hindered by the low temperature inspite of the short-day condition. 3.When the well nourished condition was given after the low-temperaturetreatment,it was generally observed that the heading time retarded and the total weight of ears on each plant increased,accompanied by the increase innumber of leaves in the main stem. 4. The nutrient supply to respective plant body after the low-temperature treatment seemed to increase comparatively,because each plant had become dwarfed during the treatment. It is therefore presumed that the transition from vegetative growth to reproductive growth in this experiment was checked not only by the low temperature itself but also by the nutritive condition after the treatment.
本文言語jpn
著者キーワード水稲早生品種
夜間低温処理
主題農学
資料タイプtext
出版者山口大学農学部
出版者ヨミヤマグチ ダイガク ノウガクブ
NII資料タイプ紀要論文
ISSN0513-1715
NCIDAN00244250
学内刊行物(紀要等)山口大学農学部学術報告
掲載誌名山口大学農学部学術報告
掲載誌名別表記Bulletin of the Faculty of Agriculture, Yamaguchi University
7
開始ページ341
終了ページ348
発行日1956
著者版/出版社版その他
リポジトリIDD490007000009
地域区分山口大学
URIhttp://www.lib.yamaguchi-u.ac.jp/yunoca/handle/D490007000009