Osmopriming with Polyethylene Glycol (PEG) for Abiotic Stress Tolerance in Germinating Crop Seeds: A Review

Abiotic stresses such as drought, extreme temperature, and salinity can negatively impact seed germination and plant growth and have become major limitations to crop production. Most crops are vulnerable to abiotic stress factors during their early growth phase, especially during seed germination an...

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Autores principales:	Chu Lei, Muthukumar Bagavathiannan, Huiyong Wang, Shaun M. Sharpe, Wenting Meng, Jialin Yu
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	abiotic stress drought stress temperature stress salinity stress seed germination seed priming Agriculture S
Acceso en línea:	https://doaj.org/article/2ffaf3d197cd4d599f3075398e7ac7cd
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id	oai:doaj.org-article:2ffaf3d197cd4d599f3075398e7ac7cd
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spelling	oai:doaj.org-article:2ffaf3d197cd4d599f3075398e7ac7cd2021-11-25T16:06:10ZOsmopriming with Polyethylene Glycol (PEG) for Abiotic Stress Tolerance in Germinating Crop Seeds: A Review10.3390/agronomy111121942073-4395https://doaj.org/article/2ffaf3d197cd4d599f3075398e7ac7cd2021-10-01T00:00:00Zhttps://www.mdpi.com/2073-4395/11/11/2194https://doaj.org/toc/2073-4395Abiotic stresses such as drought, extreme temperature, and salinity can negatively impact seed germination and plant growth and have become major limitations to crop production. Most crops are vulnerable to abiotic stress factors during their early growth phase, especially during seed germination and seedling emergence. Rapid crop seed germination and seedling establishment is known to provide competitive advantages over weeds and improve yields. Seed osmopriming is defined as a pre-sowing treatment in which seeds are soaked in osmotic solutions to undergo the first stage of germination, but radicle protrusion has not occurred. The process of osmopriming involves prior exposure of seeds in low-water-potential solutions. Osmopriming can generate a series of pre-germination metabolic activities, increase the antioxidant system activities, and prepare the seed for radicle protrusion. Polyethylene glycol (PEG) is a popular osmopriming agent that can alleviate the negative impacts of abiotic stresses. This review summarizes research findings on crop responses to seed priming with PEG under abiotic stresses. The challenges, limitations, and opportunities of using PEG for crop seed priming are discussed with the goal of providing insights into future research towards effective application of seed priming in crop production.Chu LeiMuthukumar BagavathiannanHuiyong WangShaun M. SharpeWenting MengJialin YuMDPI AGarticleabiotic stressdrought stresstemperature stresssalinity stressseed germinationseed primingAgricultureSENAgronomy, Vol 11, Iss 2194, p 2194 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	abiotic stress drought stress temperature stress salinity stress seed germination seed priming Agriculture S
spellingShingle	abiotic stress drought stress temperature stress salinity stress seed germination seed priming Agriculture S Chu Lei Muthukumar Bagavathiannan Huiyong Wang Shaun M. Sharpe Wenting Meng Jialin Yu Osmopriming with Polyethylene Glycol (PEG) for Abiotic Stress Tolerance in Germinating Crop Seeds: A Review
description	Abiotic stresses such as drought, extreme temperature, and salinity can negatively impact seed germination and plant growth and have become major limitations to crop production. Most crops are vulnerable to abiotic stress factors during their early growth phase, especially during seed germination and seedling emergence. Rapid crop seed germination and seedling establishment is known to provide competitive advantages over weeds and improve yields. Seed osmopriming is defined as a pre-sowing treatment in which seeds are soaked in osmotic solutions to undergo the first stage of germination, but radicle protrusion has not occurred. The process of osmopriming involves prior exposure of seeds in low-water-potential solutions. Osmopriming can generate a series of pre-germination metabolic activities, increase the antioxidant system activities, and prepare the seed for radicle protrusion. Polyethylene glycol (PEG) is a popular osmopriming agent that can alleviate the negative impacts of abiotic stresses. This review summarizes research findings on crop responses to seed priming with PEG under abiotic stresses. The challenges, limitations, and opportunities of using PEG for crop seed priming are discussed with the goal of providing insights into future research towards effective application of seed priming in crop production.
format	article
author	Chu Lei Muthukumar Bagavathiannan Huiyong Wang Shaun M. Sharpe Wenting Meng Jialin Yu
author_facet	Chu Lei Muthukumar Bagavathiannan Huiyong Wang Shaun M. Sharpe Wenting Meng Jialin Yu
author_sort	Chu Lei
title	Osmopriming with Polyethylene Glycol (PEG) for Abiotic Stress Tolerance in Germinating Crop Seeds: A Review
title_short	Osmopriming with Polyethylene Glycol (PEG) for Abiotic Stress Tolerance in Germinating Crop Seeds: A Review
title_full	Osmopriming with Polyethylene Glycol (PEG) for Abiotic Stress Tolerance in Germinating Crop Seeds: A Review
title_fullStr	Osmopriming with Polyethylene Glycol (PEG) for Abiotic Stress Tolerance in Germinating Crop Seeds: A Review
title_full_unstemmed	Osmopriming with Polyethylene Glycol (PEG) for Abiotic Stress Tolerance in Germinating Crop Seeds: A Review
title_sort	osmopriming with polyethylene glycol (peg) for abiotic stress tolerance in germinating crop seeds: a review
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/2ffaf3d197cd4d599f3075398e7ac7cd
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Osmopriming with Polyethylene Glycol (PEG) for Abiotic Stress Tolerance in Germinating Crop Seeds: A Review

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