2009•Unpublished venueRequires access

Effects of waterlogging stress on physiological characteristics of flue-cured tobacco leaves at maturation.

Bi QingWen, Jian Wang, Zhixiao Yang, Qiu Miaowen, Zhuai ZengGuang, Xiaoquan Zhang, Yang Tiezhao

Abstract

Effects of waterlogging stress on physiological characteristics of flue-cured tobacco(Nicotiana tabacum L.CV.K326) leaves were studied in field experiment at mature period.Results showed that under waterlogging condition,chlorophyll content and soluble protein conten of flue-cured tobacco leaves reduced slowly in the earlier period,then reduced fast.As waterlogging time proceeded,MDA content of flue-cured tobacco leaves increased fast.Activities of SOD,POD,and CAT of flue-cured tobacco leaves increased during early stage of waterlogging,then descended,but activity of POD incresed more slowly than that of SOD and CAT.The physiological characteristics of flue-cured tobacco leaves were seriously hurt and can hardly recover after 3 days of waterlogging.

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Key concepts: Curing of tobacco, Waterlogging (archaeology), Point of delivery, Nicotiana tabacum, Horticulture, Flue, Chlorophyll, Botany