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タイトルヨミ
スイトウ ノ コタイ グン コウゴウセイ オヨビ コキュウ ソクテイチ カラノ タイヨウ エネルギー テンカン コウリツ サンシュツ ノ ココロミ ソノ1 コタイ グン コキュウ コウゴウセイ ヒ ノ セイイク ニ トモナウ ヘンカ
日本語以外のタイトル
The Efficiency for Solar Energy Conversion in Rice Population estimsted from Crop Photosynthesis and Respiration under Field Conditions(I) : The Ratio of Respiration to Photosynthesis during the Ripening Stage
ファイル
言語
日本語
著者
今木 正
石塚 仁
早川 純二
内容記述(抄録等)
Using four extremely early-maturing and three early or medium-maturing varieties, crop photosyntesis and respiration in the field were measured 20-30 days intervals from 50-20 days before to 20-40 days after heading. The temperature coefficient of respiration(Q_<10>) was linearly increased from 1.21 to 2.52 according to the growth stage. Crop respiration under the growing temperature was changed curvilinearly and showed its maximum value at about 10 days before to 10 days after the heading time, which was slightly later than gross photosynthesis under thelightintensity of10or06ca1/cm2 The ratio of respiration to photosynthesis (R/P ratio) was increased associated with the growth stage, and in the ripening stage, the R/P ratio of extremely early-maturing varieties which were matured under high temperature, was about 10 to 30% higher than that of early or medium maturing varieties.
掲載誌名
島根大学農学部研究報告
21
開始ページ
1
終了ページ
9
ISSN
0370940X
発行日
1987-12-21
NCID
AN00108015
出版者
島根大学農学部
出版者別表記
Shimane University, Faculty of Agriculture
資料タイプ
紀要論文
部局
生物資源科学部
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