Improvement ability of male parent by gibberellic acid application to enhancing the outcrossing of cytoplasmic male sterility rice lines

<p class="042abstractstekst">The study quantified the effect of gibberellic acid (GA<sub>3</sub>) as a pre-flowering treatment for male parent Giza 178 R and the influence of male to female ratio (2R:10A, 2R:12A, 2R:14A and 2R:16A) between male (R) to female (A) for two C...

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Autores principales:	Hassan HAMAD, Elsayed GEWAILY, Adel GHONEIM, Mohamed SHEHAB, Neama EL-KHOLLY
Formato:	article
Lenguaje:	EN SL
Publicado:	University of Ljubljana, Biotechnical Faculty 2021
Materias:	hybrid rice production cytoplasmic male sterile lines gibberellic acid (ga3) male to female ratio panicle exsertion Agriculture S
Acceso en línea:	https://doaj.org/article/e10b1047bd154b7c97bcc1fe3b18f435
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spelling	oai:doaj.org-article:e10b1047bd154b7c97bcc1fe3b18f4352021-11-24T15:41:04ZImprovement ability of male parent by gibberellic acid application to enhancing the outcrossing of cytoplasmic male sterility rice lines1581-91751854-194110.14720/aas.2021.117.3.2114https://doaj.org/article/e10b1047bd154b7c97bcc1fe3b18f4352021-11-01T00:00:00Zhttp://ojs.aas.bf.uni-lj.si/index.php/AAS/article/view/2114https://doaj.org/toc/1581-9175https://doaj.org/toc/1854-1941<p class="042abstractstekst">The study quantified the effect of gibberellic acid (GA<sub>3</sub>) as a pre-flowering treatment for male parent Giza 178 R and the influence of male to female ratio (2R:10A, 2R:12A, 2R:14A and 2R:16A) between male (R) to female (A) for two Cytoplasmic Male Sterility (CMS) lines (‘IR69625’ and ‘G46’) on hybrid rice seed production. The main plots were occupied by CMS lines while; GA3 application for male parent Giza 178R were arranged in the sub plots and male to female ratio was arranged in the sub-sub plots. The results indicated that, the, duration of floret opening, angle of floret opening, filaments exsertion, filaments length<strong>, </strong>anther length, plant height and number of tiller hill<sup>-1 </sup>of male parent Giza 178R were significantly at 300 g GA<sub>3</sub> ha<sup>-1</sup> concentration. Plant height, panicle exsertion, panicle length, flag leaf angle and 1000-grain mass of CMS were not significantly affected by the GA<sub>3</sub> application for male parent and male to female ratio, while, number of fertile panicles hill<sup>-1</sup>, panicle mass, seed set, seed yield and harvest index of CMS lines were highly significantly affected. The highest seed yield (2.880 and 2.950 t ha<sup>-1</sup>) was obtained by CMS line IR69625A using 300 g GA<sub>3</sub> ha<sup>-1</sup> of male parent Giza 178R with male to female ratio of 2R:14A during both seasons.</p>Hassan HAMADElsayed GEWAILYAdel GHONEIMMohamed SHEHABNeama EL-KHOLLYUniversity of Ljubljana, Biotechnical Facultyarticlehybrid rice productioncytoplasmic male sterile linesgibberellic acid (ga3)male to female ratiopanicle exsertionAgricultureSENSLActa Agriculturae Slovenica, Vol 117, Iss 3, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN SL
topic	hybrid rice production cytoplasmic male sterile lines gibberellic acid (ga3) male to female ratio panicle exsertion Agriculture S
spellingShingle	hybrid rice production cytoplasmic male sterile lines gibberellic acid (ga3) male to female ratio panicle exsertion Agriculture S Hassan HAMAD Elsayed GEWAILY Adel GHONEIM Mohamed SHEHAB Neama EL-KHOLLY Improvement ability of male parent by gibberellic acid application to enhancing the outcrossing of cytoplasmic male sterility rice lines
description	<p class="042abstractstekst">The study quantified the effect of gibberellic acid (GA<sub>3</sub>) as a pre-flowering treatment for male parent Giza 178 R and the influence of male to female ratio (2R:10A, 2R:12A, 2R:14A and 2R:16A) between male (R) to female (A) for two Cytoplasmic Male Sterility (CMS) lines (‘IR69625’ and ‘G46’) on hybrid rice seed production. The main plots were occupied by CMS lines while; GA3 application for male parent Giza 178R were arranged in the sub plots and male to female ratio was arranged in the sub-sub plots. The results indicated that, the, duration of floret opening, angle of floret opening, filaments exsertion, filaments length<strong>, </strong>anther length, plant height and number of tiller hill<sup>-1 </sup>of male parent Giza 178R were significantly at 300 g GA<sub>3</sub> ha<sup>-1</sup> concentration. Plant height, panicle exsertion, panicle length, flag leaf angle and 1000-grain mass of CMS were not significantly affected by the GA<sub>3</sub> application for male parent and male to female ratio, while, number of fertile panicles hill<sup>-1</sup>, panicle mass, seed set, seed yield and harvest index of CMS lines were highly significantly affected. The highest seed yield (2.880 and 2.950 t ha<sup>-1</sup>) was obtained by CMS line IR69625A using 300 g GA<sub>3</sub> ha<sup>-1</sup> of male parent Giza 178R with male to female ratio of 2R:14A during both seasons.</p>
format	article
author	Hassan HAMAD Elsayed GEWAILY Adel GHONEIM Mohamed SHEHAB Neama EL-KHOLLY
author_facet	Hassan HAMAD Elsayed GEWAILY Adel GHONEIM Mohamed SHEHAB Neama EL-KHOLLY
author_sort	Hassan HAMAD
title	Improvement ability of male parent by gibberellic acid application to enhancing the outcrossing of cytoplasmic male sterility rice lines
title_short	Improvement ability of male parent by gibberellic acid application to enhancing the outcrossing of cytoplasmic male sterility rice lines
title_full	Improvement ability of male parent by gibberellic acid application to enhancing the outcrossing of cytoplasmic male sterility rice lines
title_fullStr	Improvement ability of male parent by gibberellic acid application to enhancing the outcrossing of cytoplasmic male sterility rice lines
title_full_unstemmed	Improvement ability of male parent by gibberellic acid application to enhancing the outcrossing of cytoplasmic male sterility rice lines
title_sort	improvement ability of male parent by gibberellic acid application to enhancing the outcrossing of cytoplasmic male sterility rice lines
publisher	University of Ljubljana, Biotechnical Faculty
publishDate	2021
url	https://doaj.org/article/e10b1047bd154b7c97bcc1fe3b18f435
work_keys_str_mv	AT hassanhamad improvementabilityofmaleparentbygibberellicacidapplicationtoenhancingtheoutcrossingofcytoplasmicmalesterilityricelines AT elsayedgewaily improvementabilityofmaleparentbygibberellicacidapplicationtoenhancingtheoutcrossingofcytoplasmicmalesterilityricelines AT adelghoneim improvementabilityofmaleparentbygibberellicacidapplicationtoenhancingtheoutcrossingofcytoplasmicmalesterilityricelines AT mohamedshehab improvementabilityofmaleparentbygibberellicacidapplicationtoenhancingtheoutcrossingofcytoplasmicmalesterilityricelines AT neamaelkholly improvementabilityofmaleparentbygibberellicacidapplicationtoenhancingtheoutcrossingofcytoplasmicmalesterilityricelines
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Improvement ability of male parent by gibberellic acid application to enhancing the outcrossing of cytoplasmic male sterility rice lines

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