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Ying Yong Sheng Tai Xue Bao


Title:[Effects of two kinds of allelochemicals on photosynthesis and chlorophyll fluorescence parameters of Solanum melongena L. seedlings]
Author(s):Yu J; Zhang Y; Niu C; Li J;
Address:"College of Agronomy, Gansu Agricultural University, Lanzhou, China. yuyujihua@yahoo.com.cn"
Journal Title:Ying Yong Sheng Tai Xue Bao
Year:2006
Volume:17
Issue:9
Page Number:1629 - 1632
DOI:
ISSN/ISBN:1001-9332 (Print) 1001-9332 (Linking)
Abstract:"In a culture experiment, the effects of different concentration 2,6-bis (1, 1-dimethylethyl) phenol and 1,2-benzodicarboxylic dimethyl ester on the photosynthesis and chlorophyll fluorescence characteristics of eggplant seedlings were studied, and the results showed that these two allelochemicals were the barriers of chlorophyll content, net photosynthetic rate (Pn), and stomatal conductance (Gs). The intercellular CO2 concentration (Ci) decreased in the former period, and then increased. The allelochemicals increased initial fluorescence (Fo), but decreased maximum photochemical efficiency of PS II (Fv/Fm), quantum efficiency of non-cyclic electron transport of PS II (phi(PSII)), photochemical quenching ((qP) and antenna conversion efficiency (Fv'/Fm' ). 2,6-bis (1,1-dimethylethyl) phenol made non-photochemical quenching (qN) increase first and decrease then, while 1,2-benzodicarboxylic dimethyl ester decreased qN, which was harmful to the photosynthesis structure"
Keywords:Butylated Hydroxytoluene/pharmacology Chlorophyll/*analysis Pheromones/*pharmacology Photosynthesis/*physiology Seedlings/growth & development/*physiology Solanum melongena/growth & development/*physiology;
Notes:"MedlineYu, Jihua Zhang, Yun Niu, Caixia Li, Jianjian chi English Abstract Research Support, Non-U.S. Gov't China 2006/12/07 Ying Yong Sheng Tai Xue Bao. 2006 Sep; 17(9):1629-32"

 
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