Screening of Salt-Tolerant Thinopyrum ponticum Under Two Coastal Region Salinity Stress Levels

To accelerate the exploitation and use of marginal soils and develop salt-tolerant forage germplasm suitable for the coastal regions of China, seven lines of decaploid tall wheatgrass [Thinopyrum ponticum (Podp.) Barkworth and D. R. Dewey, 2n = 10x = 70] were transplanted under low (.3%) and high (....

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Main Authors: Chunyan Tong, Guotang Yang, AoenBolige, Terigen, Hongwei Li, Bin Li, Zhensheng Li, Qi Zheng
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-02-01
Series:Frontiers in Genetics
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fgene.2022.832013/full
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author Chunyan Tong
Chunyan Tong
Guotang Yang
Guotang Yang
AoenBolige
Terigen
Hongwei Li
Bin Li
Zhensheng Li
Qi Zheng
author_facet Chunyan Tong
Chunyan Tong
Guotang Yang
Guotang Yang
AoenBolige
Terigen
Hongwei Li
Bin Li
Zhensheng Li
Qi Zheng
author_sort Chunyan Tong
collection DOAJ
description To accelerate the exploitation and use of marginal soils and develop salt-tolerant forage germplasm suitable for the coastal regions of China, seven lines of decaploid tall wheatgrass [Thinopyrum ponticum (Podp.) Barkworth and D. R. Dewey, 2n = 10x = 70] were transplanted under low (.3%) and high (.5%) salt conditions for a comprehensive analysis at the adult-plant stage. Differences were observed among these materials, especially in terms of grass yield, agronomic characteristics, and physiological and biochemical indices. Line C2 grew best with the highest shoot total fresh and dry weights under all conditions except for the milk-ripe stage in Dongying in 2019. The total membership value of C2 also reflected its excellent performance after transplanting. As superior germplasm, its relatively high antioxidant enzyme activities and chlorophyll a/b ratio suggested C2 may maintain normal metabolic and physiological functions under saline conditions. Furthermore, decaploid tall wheatgrass as a forage grass species has a high nutritive value beneficial for animal husbandry. Accordingly, line C2 may be used as excellent germplasm to develop salt-tolerant cultivars in the Circum-Bohai sea.
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spelling doaj.art-29c74b51176e47a1959182562f3a51ba2022-12-21T20:05:12ZengFrontiers Media S.A.Frontiers in Genetics1664-80212022-02-011310.3389/fgene.2022.832013832013Screening of Salt-Tolerant Thinopyrum ponticum Under Two Coastal Region Salinity Stress LevelsChunyan Tong0Chunyan Tong1Guotang Yang2Guotang Yang3 AoenBolige4 Terigen5Hongwei Li6Bin Li7Zhensheng Li8Qi Zheng9State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, ChinaCollege of Life Science and Technology, Inner Mongolia Normal University, Hohhot, ChinaState Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, ChinaUniversity of Chinese Academy of Sciences, Beijing, ChinaCollege of Life Science and Technology, Inner Mongolia Normal University, Hohhot, ChinaCollege of Life Science and Technology, Inner Mongolia Normal University, Hohhot, ChinaState Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, ChinaState Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, ChinaState Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, ChinaState Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, ChinaTo accelerate the exploitation and use of marginal soils and develop salt-tolerant forage germplasm suitable for the coastal regions of China, seven lines of decaploid tall wheatgrass [Thinopyrum ponticum (Podp.) Barkworth and D. R. Dewey, 2n = 10x = 70] were transplanted under low (.3%) and high (.5%) salt conditions for a comprehensive analysis at the adult-plant stage. Differences were observed among these materials, especially in terms of grass yield, agronomic characteristics, and physiological and biochemical indices. Line C2 grew best with the highest shoot total fresh and dry weights under all conditions except for the milk-ripe stage in Dongying in 2019. The total membership value of C2 also reflected its excellent performance after transplanting. As superior germplasm, its relatively high antioxidant enzyme activities and chlorophyll a/b ratio suggested C2 may maintain normal metabolic and physiological functions under saline conditions. Furthermore, decaploid tall wheatgrass as a forage grass species has a high nutritive value beneficial for animal husbandry. Accordingly, line C2 may be used as excellent germplasm to develop salt-tolerant cultivars in the Circum-Bohai sea.https://www.frontiersin.org/articles/10.3389/fgene.2022.832013/fullThinopyrum ponticumsalt toleranceadult-plant stageagronomic traitsphysiological indexnutrient content
spellingShingle Chunyan Tong
Chunyan Tong
Guotang Yang
Guotang Yang
AoenBolige
Terigen
Hongwei Li
Bin Li
Zhensheng Li
Qi Zheng
Screening of Salt-Tolerant Thinopyrum ponticum Under Two Coastal Region Salinity Stress Levels
Frontiers in Genetics
Thinopyrum ponticum
salt tolerance
adult-plant stage
agronomic traits
physiological index
nutrient content
title Screening of Salt-Tolerant Thinopyrum ponticum Under Two Coastal Region Salinity Stress Levels
title_full Screening of Salt-Tolerant Thinopyrum ponticum Under Two Coastal Region Salinity Stress Levels
title_fullStr Screening of Salt-Tolerant Thinopyrum ponticum Under Two Coastal Region Salinity Stress Levels
title_full_unstemmed Screening of Salt-Tolerant Thinopyrum ponticum Under Two Coastal Region Salinity Stress Levels
title_short Screening of Salt-Tolerant Thinopyrum ponticum Under Two Coastal Region Salinity Stress Levels
title_sort screening of salt tolerant thinopyrum ponticum under two coastal region salinity stress levels
topic Thinopyrum ponticum
salt tolerance
adult-plant stage
agronomic traits
physiological index
nutrient content
url https://www.frontiersin.org/articles/10.3389/fgene.2022.832013/full
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