|Table of Contents|

Effects of Four Valence State of Selenium on Part of Root Physiological Characteristics of Plum Seedlings

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2021年03
Page:
41-46
Research Field:
Publishing date:

Info

Title:
Effects of Four Valence State of Selenium on Part of Root Physiological Characteristics of Plum Seedlings
Author(s):
SUN Xieping1; ZHANG Xin1; LUO Youjin2; YE Shuang1; ZHANG Wenling1; ZHOU Xianrong1
(1.School of Advanced Agriculture and Bioengineering，Yangtze Normal University，Chongqing 408100;2.Fruit Research Institute，Chongqing Academy of Agricultural Sciences，Chongqing 401329)
Keywords:
selenium valence state; ‘Qingcui’ plum; glutathione oxidation cycle; growth
PACS:
-
DOI:
10.11937/bfyy.20202157
Abstract:
Taking ‘Qingcui’ plum as test materials,four forms of Se were applied to the roots of the ‘Qingcui’ plum seedlings.The effects of Se forms on the growth，glutathione oxidation cycle and antioxidant system of plum seedlings were studied.In order to provide reference for plum development.The results showed that different forms of selenium had different effects on the growth of seedlings，and Se6+ and Se4+ significantly promoted plant height and stem diameter.Four forms of Se treatment significantly increased the content of MDA，consistent with significantly increased activities of CAT and GST.The highest AOC was in Se6+ treatment，followed by Se0，the lowest Se2- and Se4+.The contents of GSH，GSSG，and GSH+GSSG，the ratio of GSH-GSSG，and the activity of GR and GPX were significantly increased by the four forms of Se treatment.But there was no significant difference among the four forms of Se treatment.All in all，Se can significantly promote the GSH oxidation cycle，without form difference，while different forms of Se have morphological differences in antioxidant system and growth parameters.Se6+ showed better growth promotion and antioxidant capacity.

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Last Update: 2021-05-27