甘藍低活力種子之探討
Other Title
Aspects of Low Vigour of Cabbage Seeds
Journal
中華農業研究
Journal Volume
38
Journal Issue
4
Pages
429-437
Date Issued
1989-12-05
Date
1989-12-05
Author(s)
劉政道
華愛瑪
柯俐荷
卡森
Tsung-Dao Liou
W.A. Wagenvoort
H.L. Kraak
C.M. Karssen
Abstract
商業用甘藍品種奧斯卡（Oscar）之種子（Brassica oleracea L. Capitata group）經1─6年諸存後，於20～30°C變溫之標準發芽試驗下顯示幾乎可以全部發芽。調控劣變試驗時，將種子之含水量提升至24％，並於45°C處理24小時，結果顯示各批種子之活力有極顯著之差異。種子之發芽與萌芽無論在控制環境之實驗室，人工氣候室與田間試驗均顯示其發芽或萌芽速率之減緩、幼苗鮮重之減少以及異常幼苗數目之增加與種子之低活力有顯著之關係。低活力為導致田間萌芽不良的主要原因之一。
Seeds of Brassica oleracea L. Capitata group cv. Oscar that had been commercially stored during 1 to 6 years showed almost full germination in a standard laboratory germination test at diurnal temperature of 20-30°C. Controlled deterioration of the seeds during 24 hours at 45°C and 24% seed moisture content revealed strong differences in seed vigour. Germination and emergence experiments at controlled conditions in laboratory or phytoron and in the field showed that low vigour was associated with reduced rate of germination and emergence, reduced seedling fresh weight and increased number of abnormal seedlings. Low vigour is one of the causes of low field emergence.
Publisher
農業試驗所
Type
journal article
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