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1
題名:Cold-acclimation and root temperature protection from chilling injury in chilling-sensitive mungbean (Vigna radiata L.) seedlings     (16點)
冷馴化與根溫對綠豆幼苗低溫傷害的影響
著者:Mon-Yaw Chang(張孟瑤) ;Swu-Ling Chen(陳淑玲) ;Chung-Fen Lee(李中芬) ;Yih-Ming Chen(陳益明)
出版地區:台灣
出版城市:台北市
學科:生命科學
關鍵字:綠豆 ; 寒害 ; 低溫馴化 ; 根溫 ; 細胞液 ; 滲漏物 ; 導電度 ; Cell sap ; Chilling injury ; Cold acclimation ; Conductivity ; Leakages ; Mungbean ( Vigna Radiata L.) ; Root temperature
刊名:Botanical Bulletin of Academia Sinica
頁碼:53-60
語言:英語
摘要: 中文摘要PDF ; 英文摘要PDF

綠豆幼苗在4℃溫度下經二天即產生不可逆的寒害而枯死。分析經4℃低溫處理過的組織滲透物中之陽離子,發現K+離子濃度比Ca++及Mg++離子高出7-10倍。若先於10℃下低溫馴化可減少在4℃低溫下所造成的傷害。在10℃溫度下經2至3天的先前處理,其滲透物中的導電度、可溶性糖的濃度、游離胺基酸及陽離子(K+,Mg++及Ca++)都顯著減少。將幼苗種於根溫28℃及地上部4℃下與全株都在28℃生長的對照組相比較,由結果得知上述處理組的幼苗並無明顯的傷害。在28℃根部/4℃地上部生長的處理組幼苗,其溶質勢(solute potenfial)與水勢(water potential)都與28℃對照組植物相似,且細胞液(cell sap)內的胺基酸、陽離子(K+,Mg++及Ca++)濃度亦與28℃對照組相同。
Exposure of mungbean seedlings to 4℃ for 2 days induced irreversible chilling injury. The major cation in the leakage from tissues of unacclimated seedlings was K+, the loss of which was 7 to 10-fold greater than that of Ca++ or Mg++. Acclimation of seedlings at 10℃ protected them from the injuries caused by the 4℃ treatment. Acclimation of seedlings at 10℃ for 2 to 3 days, significantly decreased the conductivity and the concentration of soluble sugars, free amino acids, and cations (K+, Mg++ and Ca++) in the leakage. Compared to the 28℃-root/28℃-shoot control seedlings, those in the 28℃-root/4℃-shoot treatment did not suffer noticeable injury, but seedlings in the 4℃-root/4℃-shoot treatment did. The solute potential, water potential, and the concentration of free amino acids and cations (K+, Mg++, and Ca++) in the cell sap of the 28℃-root/4℃-shoot seedlings were similar to those of the control seedlings.


    

本卷期目次
Botanical Bulletin of Academia Sinica
Adventitious shoot regeneration from stem internode explants of Adenophora triphylla (Thunb.) A. DC. (Campanulaceae)-an important medicinal herb/ Chung-Chuan ChenSuh-Jau ChenHsin-Sheng Tsay
Characteristics of the acidic environment of the Yuanyang Lake (Taiwan)/ Jiunn-Tzong WuShih-Chieh ChangYun-Sen WangYu-Fa WangMing-Kuang Hsu
Purification and characterization of glutamine synthetase from the unicellular cyanobacterium Synechococcus RF-1/ Hso-Freng YuanChiung-Min WangHan-Wei Kung
Vase life Eustoma grandiflorum as affected by aluminum sulfate/ Li-Jen LiaoYu-Han LinKuang-Liang HuangWen-Shaw Chen
Detection of leaf-associated fungi based on PCR and nucleotide sequence of the ribosomal internal transcribed spacer (ITS) in Miscanthus/ Yu-Chung ChiangChang-Hung ChouPei-Ray LeeTzen-Yuh Chiang
Mechanism of host cell death induced by infection of Escherichia coli with the c2 clear-plaque mutant of phage f1/ Shan-Hua LinWen-Ping ChenTsong-Tsong Kuo
Cold-acclimation and root temperature protection from chilling injury in chilling-sensitive mungbean (Vigna radiata L.) seedlings/ Mon-Yaw ChangSwu-Ling ChenChung-Fen LeeYih-Ming Chen
Karyomorphology of Biebersteinia Stephan (Geraniaceae) and its systematic and taxonomic significance/ Jian-Quan LiuTing-Nong HoShi-Long ChenAn-Min Lu
The genus Tubocapsicum (Solanaceae)/ Zhi-Yun ZhangChing-I Peng
High frequency somatic embryogenesis and plant regeneration of an elite Chinese cotton variety/ Bao-Hong ZhangRong FengFang LiuQing-Lian Wang
 
   
 
   

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