Cargando…

Prohexadione-calcium alleviates the leaf and root damage caused by salt stress in rice (Oryza sativa L.) at the tillering stage

Salt stress, as a principal abiotic stress, harms the growth and metabolism of rice, thus affecting its yield and quality. The tillering stage is the key growth period that controls rice yield. Prohexadione-calcium (Pro-Ca) can increase the lodging resistance of plants by reducing plant height, but...

Descripción completa

Detalles Bibliográficos
Autores principales: Zhang, Rongjun, Zheng, Dianfeng, Feng, Naijie, Qiu, Quan-Sheng, Zhou, Hang, Meng, Fengyan, Huang, Xixin, Huang, Anqi, Li, Yixiang
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10022774/
https://www.ncbi.nlm.nih.gov/pubmed/36930609
http://dx.doi.org/10.1371/journal.pone.0279192
_version_ 1784908790414442496
author Zhang, Rongjun
Zheng, Dianfeng
Feng, Naijie
Qiu, Quan-Sheng
Zhou, Hang
Meng, Fengyan
Huang, Xixin
Huang, Anqi
Li, Yixiang
author_facet Zhang, Rongjun
Zheng, Dianfeng
Feng, Naijie
Qiu, Quan-Sheng
Zhou, Hang
Meng, Fengyan
Huang, Xixin
Huang, Anqi
Li, Yixiang
author_sort Zhang, Rongjun
collection PubMed
description Salt stress, as a principal abiotic stress, harms the growth and metabolism of rice, thus affecting its yield and quality. The tillering stage is the key growth period that controls rice yield. Prohexadione-calcium (Pro-Ca) can increase the lodging resistance of plants by reducing plant height, but its effects on rice leaves and roots at the tillering stage under salt stress are still unclear. This study aimed to evaluate the ability of foliar spraying of Pro-Ca to regulate growth quality at the rice tillering stage under salt stress. The results showed that salt stress reduced the tillering ability of the rice and the antioxidant enzyme activity in the roots. Salt stress also reduced the net photosynthetic rate (Pn), stomatal conductance (Gs) and intercellular CO(2) concentration (Ci) of the rice leaves and increased the contents of osmotic regulatory substances in the leaves and roots. The application of exogenous Pro-Ca onto the leaves increased the tiller number of the rice under salt stress and significantly increased the photosynthetic capacity of the leaves. Additionally, it increased the activities of antioxidant enzymes and the AsA content. The contents of an osmotic regulation substance, malondialdehyde (MDA), and H(2)O(2) in the leaves and roots also decreased. These results suggested that Pro-Ca can increase the tillering ability, photosynthetic capacity, osmotic adjustment substance content levels and antioxidant enzyme activity levels in rice and reduce membrane lipid peroxidation, thus improving the salt tolerance of rice at the tillering stage.
format Online
Article
Text
id pubmed-10022774
institution National Center for Biotechnology Information
language English
publishDate 2023
publisher Public Library of Science
record_format MEDLINE/PubMed
spelling pubmed-100227742023-03-18 Prohexadione-calcium alleviates the leaf and root damage caused by salt stress in rice (Oryza sativa L.) at the tillering stage Zhang, Rongjun Zheng, Dianfeng Feng, Naijie Qiu, Quan-Sheng Zhou, Hang Meng, Fengyan Huang, Xixin Huang, Anqi Li, Yixiang PLoS One Research Article Salt stress, as a principal abiotic stress, harms the growth and metabolism of rice, thus affecting its yield and quality. The tillering stage is the key growth period that controls rice yield. Prohexadione-calcium (Pro-Ca) can increase the lodging resistance of plants by reducing plant height, but its effects on rice leaves and roots at the tillering stage under salt stress are still unclear. This study aimed to evaluate the ability of foliar spraying of Pro-Ca to regulate growth quality at the rice tillering stage under salt stress. The results showed that salt stress reduced the tillering ability of the rice and the antioxidant enzyme activity in the roots. Salt stress also reduced the net photosynthetic rate (Pn), stomatal conductance (Gs) and intercellular CO(2) concentration (Ci) of the rice leaves and increased the contents of osmotic regulatory substances in the leaves and roots. The application of exogenous Pro-Ca onto the leaves increased the tiller number of the rice under salt stress and significantly increased the photosynthetic capacity of the leaves. Additionally, it increased the activities of antioxidant enzymes and the AsA content. The contents of an osmotic regulation substance, malondialdehyde (MDA), and H(2)O(2) in the leaves and roots also decreased. These results suggested that Pro-Ca can increase the tillering ability, photosynthetic capacity, osmotic adjustment substance content levels and antioxidant enzyme activity levels in rice and reduce membrane lipid peroxidation, thus improving the salt tolerance of rice at the tillering stage. Public Library of Science 2023-03-17 /pmc/articles/PMC10022774/ /pubmed/36930609 http://dx.doi.org/10.1371/journal.pone.0279192 Text en © 2023 Zhang et al https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Zhang, Rongjun
Zheng, Dianfeng
Feng, Naijie
Qiu, Quan-Sheng
Zhou, Hang
Meng, Fengyan
Huang, Xixin
Huang, Anqi
Li, Yixiang
Prohexadione-calcium alleviates the leaf and root damage caused by salt stress in rice (Oryza sativa L.) at the tillering stage
title Prohexadione-calcium alleviates the leaf and root damage caused by salt stress in rice (Oryza sativa L.) at the tillering stage
title_full Prohexadione-calcium alleviates the leaf and root damage caused by salt stress in rice (Oryza sativa L.) at the tillering stage
title_fullStr Prohexadione-calcium alleviates the leaf and root damage caused by salt stress in rice (Oryza sativa L.) at the tillering stage
title_full_unstemmed Prohexadione-calcium alleviates the leaf and root damage caused by salt stress in rice (Oryza sativa L.) at the tillering stage
title_short Prohexadione-calcium alleviates the leaf and root damage caused by salt stress in rice (Oryza sativa L.) at the tillering stage
title_sort prohexadione-calcium alleviates the leaf and root damage caused by salt stress in rice (oryza sativa l.) at the tillering stage
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10022774/
https://www.ncbi.nlm.nih.gov/pubmed/36930609
http://dx.doi.org/10.1371/journal.pone.0279192
work_keys_str_mv AT zhangrongjun prohexadionecalciumalleviatestheleafandrootdamagecausedbysaltstressinriceoryzasativalatthetilleringstage
AT zhengdianfeng prohexadionecalciumalleviatestheleafandrootdamagecausedbysaltstressinriceoryzasativalatthetilleringstage
AT fengnaijie prohexadionecalciumalleviatestheleafandrootdamagecausedbysaltstressinriceoryzasativalatthetilleringstage
AT qiuquansheng prohexadionecalciumalleviatestheleafandrootdamagecausedbysaltstressinriceoryzasativalatthetilleringstage
AT zhouhang prohexadionecalciumalleviatestheleafandrootdamagecausedbysaltstressinriceoryzasativalatthetilleringstage
AT mengfengyan prohexadionecalciumalleviatestheleafandrootdamagecausedbysaltstressinriceoryzasativalatthetilleringstage
AT huangxixin prohexadionecalciumalleviatestheleafandrootdamagecausedbysaltstressinriceoryzasativalatthetilleringstage
AT huanganqi prohexadionecalciumalleviatestheleafandrootdamagecausedbysaltstressinriceoryzasativalatthetilleringstage
AT liyixiang prohexadionecalciumalleviatestheleafandrootdamagecausedbysaltstressinriceoryzasativalatthetilleringstage