Inhibitory effect of eugenol on seed germination and pre-harvest sprouting of hybrid rice (Oryza sativa L.)

Abstract Pre-harvest sprouting (PHS) is a constrain problem in hybrid rice production. The present study was conducted to investigate the inhibitory effect of eugenol on seed germination and PHS of hybrid rice variety (Qian You 1). The results showed that seed germination speed and the activities of...

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Autores principales:	Qijuan Hu, Cheng Lin, Yajing Guan, Mohamed Salah Sheteiwy, Weimin Hu, Jin Hu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/aacb545f89654f0e93330cd8ac2fb422
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spelling	oai:doaj.org-article:aacb545f89654f0e93330cd8ac2fb4222021-12-02T11:51:04ZInhibitory effect of eugenol on seed germination and pre-harvest sprouting of hybrid rice (Oryza sativa L.)10.1038/s41598-017-04104-x2045-2322https://doaj.org/article/aacb545f89654f0e93330cd8ac2fb4222017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-04104-xhttps://doaj.org/toc/2045-2322Abstract Pre-harvest sprouting (PHS) is a constrain problem in hybrid rice production. The present study was conducted to investigate the inhibitory effect of eugenol on seed germination and PHS of hybrid rice variety (Qian You 1). The results showed that seed germination speed and the activities of α-amylase were inhibited by eugenol pre-soaking and these effects enhanced with the increasing of eugenol concentrations; while seedling growth was not negatively affected. In field trials, eugenol application caused a significant decline in PHS as compared with control, whereas no sustained inhibition in post-harvested seed germination was observed. The HPLC analysis indicated that eugenol raised the internal ABA content by 1–4 times more than control, and seeds treated with eugenol had relatively lower OsABA8OH2 and higher transcript levels of OsNCED2 expression during early stages of seed imbibitions. In addition, seed germinated faster after GA3 application than eugenol alone, and seed endogenous ABA content decreased obviously. It suggested that eugenol strongly delayed seed germination and the PHS in the field, which might be mainly due to the increased ABA contents caused by eugenol. However, the phenomenon of delayed germination and high ABA content caused by eugenol could be effectively recovered by exogenous GA3.Qijuan HuCheng LinYajing GuanMohamed Salah SheteiwyWeimin HuJin HuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Qijuan Hu Cheng Lin Yajing Guan Mohamed Salah Sheteiwy Weimin Hu Jin Hu Inhibitory effect of eugenol on seed germination and pre-harvest sprouting of hybrid rice (Oryza sativa L.)
description	Abstract Pre-harvest sprouting (PHS) is a constrain problem in hybrid rice production. The present study was conducted to investigate the inhibitory effect of eugenol on seed germination and PHS of hybrid rice variety (Qian You 1). The results showed that seed germination speed and the activities of α-amylase were inhibited by eugenol pre-soaking and these effects enhanced with the increasing of eugenol concentrations; while seedling growth was not negatively affected. In field trials, eugenol application caused a significant decline in PHS as compared with control, whereas no sustained inhibition in post-harvested seed germination was observed. The HPLC analysis indicated that eugenol raised the internal ABA content by 1–4 times more than control, and seeds treated with eugenol had relatively lower OsABA8OH2 and higher transcript levels of OsNCED2 expression during early stages of seed imbibitions. In addition, seed germinated faster after GA3 application than eugenol alone, and seed endogenous ABA content decreased obviously. It suggested that eugenol strongly delayed seed germination and the PHS in the field, which might be mainly due to the increased ABA contents caused by eugenol. However, the phenomenon of delayed germination and high ABA content caused by eugenol could be effectively recovered by exogenous GA3.
format	article
author	Qijuan Hu Cheng Lin Yajing Guan Mohamed Salah Sheteiwy Weimin Hu Jin Hu
author_facet	Qijuan Hu Cheng Lin Yajing Guan Mohamed Salah Sheteiwy Weimin Hu Jin Hu
author_sort	Qijuan Hu
title	Inhibitory effect of eugenol on seed germination and pre-harvest sprouting of hybrid rice (Oryza sativa L.)
title_short	Inhibitory effect of eugenol on seed germination and pre-harvest sprouting of hybrid rice (Oryza sativa L.)
title_full	Inhibitory effect of eugenol on seed germination and pre-harvest sprouting of hybrid rice (Oryza sativa L.)
title_fullStr	Inhibitory effect of eugenol on seed germination and pre-harvest sprouting of hybrid rice (Oryza sativa L.)
title_full_unstemmed	Inhibitory effect of eugenol on seed germination and pre-harvest sprouting of hybrid rice (Oryza sativa L.)
title_sort	inhibitory effect of eugenol on seed germination and pre-harvest sprouting of hybrid rice (oryza sativa l.)
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/aacb545f89654f0e93330cd8ac2fb422
work_keys_str_mv	AT qijuanhu inhibitoryeffectofeugenolonseedgerminationandpreharvestsproutingofhybridriceoryzasatival AT chenglin inhibitoryeffectofeugenolonseedgerminationandpreharvestsproutingofhybridriceoryzasatival AT yajingguan inhibitoryeffectofeugenolonseedgerminationandpreharvestsproutingofhybridriceoryzasatival AT mohamedsalahsheteiwy inhibitoryeffectofeugenolonseedgerminationandpreharvestsproutingofhybridriceoryzasatival AT weiminhu inhibitoryeffectofeugenolonseedgerminationandpreharvestsproutingofhybridriceoryzasatival AT jinhu inhibitoryeffectofeugenolonseedgerminationandpreharvestsproutingofhybridriceoryzasatival
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Inhibitory effect of eugenol on seed germination and pre-harvest sprouting of hybrid rice (Oryza sativa L.)

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