On the Reproductive Potential in <i>Primula veris</i> L. (Primulaceae): Embryological Features, Pollen and Seed Viability, Genetic Diversity

<i>Primula veris</i> (Primulaceae) is a valuable medicinal plant. The main characteristics for assessing the reproductive potential (embryological features; mode of reproduction; pollen and seed viability) and the genetic diversity of populations of the species from Bulgaria were studied...

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Autores principales:	Elina Yankova-Tsvetkova, Petka Yurukova-Grancharova, Ina Aneva, Petar Zhelev
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	embryology pollen and seed viability <i>Primula</i> <i>Primula veris</i> reproduction reproductive potential Botany QK1-989
Acceso en línea:	https://doaj.org/article/2b765d21625b46118cd1c80857e8a487
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id	oai:doaj.org-article:2b765d21625b46118cd1c80857e8a487
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spelling	oai:doaj.org-article:2b765d21625b46118cd1c80857e8a4872021-11-25T18:44:57ZOn the Reproductive Potential in <i>Primula veris</i> L. (Primulaceae): Embryological Features, Pollen and Seed Viability, Genetic Diversity10.3390/plants101122962223-7747https://doaj.org/article/2b765d21625b46118cd1c80857e8a4872021-10-01T00:00:00Zhttps://www.mdpi.com/2223-7747/10/11/2296https://doaj.org/toc/2223-7747<i>Primula veris</i> (Primulaceae) is a valuable medicinal plant. The main characteristics for assessing the reproductive potential (embryological features; mode of reproduction; pollen and seed viability) and the genetic diversity of populations of the species from Bulgaria were studied. The anthers are tetrasporangiate. Their wall development follows the Dicotyledonous-type and consists of: epidermis, a fibrous endothecium, an ephemeral middle layer and a secretory (glandular) tapetum. After meiosis in pollen mother cells and simultaneous microsporogenesis tetrahedral tetrads are formed predominantly in the anthers. Many ovules (approximately 20) develop in the unilocular ovary and are anatropous, tenuinucellate and bitegmic. The embryo sac (ES) develops after <i>Polygonum</i> (monosporic)-type from the chalazal cell of linear megaspore tetrad in the ovule. After double fertilization, a Caryophyllad-type embryo and initially nuclear endosperm form. In the studied populations, high pollen viability of more than 95% was established. Extremely low viability (about 4%) of the seeds obtained from natural populations was established. The results reveal <i>P. veris</i> to be a predominantly amphimictic (sexually reproducing) species, although rare vegetative propagation is also observed. As a result of this study, essential data were obtained about the reproductive structures and processes and for assessing the reproductive potential of <i>P. veris</i>.Elina Yankova-TsvetkovaPetka Yurukova-GrancharovaIna AnevaPetar ZhelevMDPI AGarticleembryologypollen and seed viability<i>Primula</i><i>Primula veris</i>reproductionreproductive potentialBotanyQK1-989ENPlants, Vol 10, Iss 2296, p 2296 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	embryology pollen and seed viability <i>Primula</i> <i>Primula veris</i> reproduction reproductive potential Botany QK1-989
spellingShingle	embryology pollen and seed viability <i>Primula</i> <i>Primula veris</i> reproduction reproductive potential Botany QK1-989 Elina Yankova-Tsvetkova Petka Yurukova-Grancharova Ina Aneva Petar Zhelev On the Reproductive Potential in <i>Primula veris</i> L. (Primulaceae): Embryological Features, Pollen and Seed Viability, Genetic Diversity
description	<i>Primula veris</i> (Primulaceae) is a valuable medicinal plant. The main characteristics for assessing the reproductive potential (embryological features; mode of reproduction; pollen and seed viability) and the genetic diversity of populations of the species from Bulgaria were studied. The anthers are tetrasporangiate. Their wall development follows the Dicotyledonous-type and consists of: epidermis, a fibrous endothecium, an ephemeral middle layer and a secretory (glandular) tapetum. After meiosis in pollen mother cells and simultaneous microsporogenesis tetrahedral tetrads are formed predominantly in the anthers. Many ovules (approximately 20) develop in the unilocular ovary and are anatropous, tenuinucellate and bitegmic. The embryo sac (ES) develops after <i>Polygonum</i> (monosporic)-type from the chalazal cell of linear megaspore tetrad in the ovule. After double fertilization, a Caryophyllad-type embryo and initially nuclear endosperm form. In the studied populations, high pollen viability of more than 95% was established. Extremely low viability (about 4%) of the seeds obtained from natural populations was established. The results reveal <i>P. veris</i> to be a predominantly amphimictic (sexually reproducing) species, although rare vegetative propagation is also observed. As a result of this study, essential data were obtained about the reproductive structures and processes and for assessing the reproductive potential of <i>P. veris</i>.
format	article
author	Elina Yankova-Tsvetkova Petka Yurukova-Grancharova Ina Aneva Petar Zhelev
author_facet	Elina Yankova-Tsvetkova Petka Yurukova-Grancharova Ina Aneva Petar Zhelev
author_sort	Elina Yankova-Tsvetkova
title	On the Reproductive Potential in <i>Primula veris</i> L. (Primulaceae): Embryological Features, Pollen and Seed Viability, Genetic Diversity
title_short	On the Reproductive Potential in <i>Primula veris</i> L. (Primulaceae): Embryological Features, Pollen and Seed Viability, Genetic Diversity
title_full	On the Reproductive Potential in <i>Primula veris</i> L. (Primulaceae): Embryological Features, Pollen and Seed Viability, Genetic Diversity
title_fullStr	On the Reproductive Potential in <i>Primula veris</i> L. (Primulaceae): Embryological Features, Pollen and Seed Viability, Genetic Diversity
title_full_unstemmed	On the Reproductive Potential in <i>Primula veris</i> L. (Primulaceae): Embryological Features, Pollen and Seed Viability, Genetic Diversity
title_sort	on the reproductive potential in <i>primula veris</i> l. (primulaceae): embryological features, pollen and seed viability, genetic diversity
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/2b765d21625b46118cd1c80857e8a487
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On the Reproductive Potential in <i>Primula veris</i> L. (Primulaceae): Embryological Features, Pollen and Seed Viability, Genetic Diversity

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