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  • Title: [Effect of triadimefon on cucumber seedlings growth and their resistance to chilling injury].
    Author: Feng Z, Wang J, Feng Z.
    Journal: Ying Yong Sheng Tai Xue Bao; 2003 Oct; 14(10):1637-40. PubMed ID: 14986355.
    Abstract:
    Studies on the effects of different concentrations of triadimefon on cucumber seedlings growth and their resistance to chilling injury showed that 20-100 mumol.L-1 triadimefon inhibited the shoot or root length of cucumber seedlings, and increased their root weight or root/shoot ratio and chlorophyll content significantly. After at low temperature for 3 days, a higher chlorophyll content, lower membrane relative permeability and higher SOD activity were observed in the leaves of cucumber seedlings soaked with 10-50 mumol.L-1 triadimefon. 50 mumol.L-1 triadimefon could retard the accumulation of MDA at low temperature stress. It was also observed that 50 mumol.L-1 triadimefon enhanced the accumulation of praline at the first day of chilling treatment. However, higher concentrations(> 100 mumol.L-1) of triadimefon were unfavorable for cucumber seedlings to defense against low temperature. It was thus concluded that triadimefon protected the cucumber seedlings against low temperature.
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