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Effects of Chilling under Low Light on Vegetative and Physiological Parameters of the Israeli Tomato Seedlings

ZHANG Zhao-xuan, WAN Sai-luo, OU Chao, WANG Di, LIN Yi*, CAI Yong-ping (School of Life Sciences, Anhui Agriculture University, Hefei 230036, Anhui, China)


Abstract : We used the tomato F-044 introduced from Israel and the Wanhong NO.3 which is mainly planted in Anhui province as our materials and studied the changing of the vegetative and physiological parameters under the different low temperature (10¡æ/5¡æ) and low light (60 ¦Ìmol¡¤m-2¡¤s-1).The results showed that: the physiological parameters in every group has the same changing tendency; the seedlings didn't grow well, and the content of chlorophyll in leaf has been decreased as well as the activities of SOD and CAT under the poor light in 10¡æ,contrarily the activities of POD, the content of MDA and the root-top ratio (R/T) have been grown up. Each parameters could be back to the common level after recovering 8 days; the accumulation of the dry material upside in F-044 were affected by chilling at 5 ¡æ and the R/T grown 14.97 %, but it fell about 27.74 % in Wanhong NO.3 because of the dry material underground has been reduced evidently; the changing and recovery in each parameters of F-044 are both better than Wanhong NO.3 apparently as well as the endurance on chilling under low light.

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