Phenotypic characterization of exotic tomato germplasm: An excellent breeding resource.

Tomato production in Pakistan faces significant problems of low yields due to various biotic and abiotic stresses primarily because of a narrow genetic base of the cultivars being used. Therefore, Introduction and evaluation of the exotic tomato germplasm has become necessary to acquire elite materi...

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Autores principales:	Zeshan Hassan, Sami Ul-Allah, Azhar Abbas Khan, Umbreen Shahzad, Muhammad Khurshid, Ali Bakhsh, Huma Amin, Muhammad Shah Jahan, Abdul Rehim, Zahid Manzoor
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/66d60d45ce1743b39e29558b43cff48f
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spelling	oai:doaj.org-article:66d60d45ce1743b39e29558b43cff48f2021-12-02T20:10:21ZPhenotypic characterization of exotic tomato germplasm: An excellent breeding resource.1932-620310.1371/journal.pone.0253557https://doaj.org/article/66d60d45ce1743b39e29558b43cff48f2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0253557https://doaj.org/toc/1932-6203Tomato production in Pakistan faces significant problems of low yields due to various biotic and abiotic stresses primarily because of a narrow genetic base of the cultivars being used. Therefore, Introduction and evaluation of the exotic tomato germplasm has become necessary to acquire elite material to develop future breeding programs. To this end, the present study was conducted for the phenotypic characterization of twenty exotic tomato genotypes along with two locally grown cultivars in semi-arid subtropical climate. Data were collected for morphological, fruit quality and fruit yield traits. A significant (p<0.05) phenotypic variation was observed for all the studied traits. Maximum yield was obtained from "Rober" i.e., 1508.31 g per plant. The maximum shelf life was observed in the Cromco, with the least weight loss (2.45%) and loss in the firmness of fruit (22.61%) in 4 days. Correlation analyses revealed a strong genetic association among morphological and yield related traits. High estimates of the heritability (ranged from 79.77% to 95.01% for different traits), along with a high genetic advance (up to 34%) showed the potential usefulness of these traits and genotypes to develop breeding programs to improve the tomato yield and fruit quality.Zeshan HassanSami Ul-AllahAzhar Abbas KhanUmbreen ShahzadMuhammad KhurshidAli BakhshHuma AminMuhammad Shah JahanAbdul RehimZahid ManzoorPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 6, p e0253557 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Zeshan Hassan Sami Ul-Allah Azhar Abbas Khan Umbreen Shahzad Muhammad Khurshid Ali Bakhsh Huma Amin Muhammad Shah Jahan Abdul Rehim Zahid Manzoor Phenotypic characterization of exotic tomato germplasm: An excellent breeding resource.
description	Tomato production in Pakistan faces significant problems of low yields due to various biotic and abiotic stresses primarily because of a narrow genetic base of the cultivars being used. Therefore, Introduction and evaluation of the exotic tomato germplasm has become necessary to acquire elite material to develop future breeding programs. To this end, the present study was conducted for the phenotypic characterization of twenty exotic tomato genotypes along with two locally grown cultivars in semi-arid subtropical climate. Data were collected for morphological, fruit quality and fruit yield traits. A significant (p<0.05) phenotypic variation was observed for all the studied traits. Maximum yield was obtained from "Rober" i.e., 1508.31 g per plant. The maximum shelf life was observed in the Cromco, with the least weight loss (2.45%) and loss in the firmness of fruit (22.61%) in 4 days. Correlation analyses revealed a strong genetic association among morphological and yield related traits. High estimates of the heritability (ranged from 79.77% to 95.01% for different traits), along with a high genetic advance (up to 34%) showed the potential usefulness of these traits and genotypes to develop breeding programs to improve the tomato yield and fruit quality.
format	article
author	Zeshan Hassan Sami Ul-Allah Azhar Abbas Khan Umbreen Shahzad Muhammad Khurshid Ali Bakhsh Huma Amin Muhammad Shah Jahan Abdul Rehim Zahid Manzoor
author_facet	Zeshan Hassan Sami Ul-Allah Azhar Abbas Khan Umbreen Shahzad Muhammad Khurshid Ali Bakhsh Huma Amin Muhammad Shah Jahan Abdul Rehim Zahid Manzoor
author_sort	Zeshan Hassan
title	Phenotypic characterization of exotic tomato germplasm: An excellent breeding resource.
title_short	Phenotypic characterization of exotic tomato germplasm: An excellent breeding resource.
title_full	Phenotypic characterization of exotic tomato germplasm: An excellent breeding resource.
title_fullStr	Phenotypic characterization of exotic tomato germplasm: An excellent breeding resource.
title_full_unstemmed	Phenotypic characterization of exotic tomato germplasm: An excellent breeding resource.
title_sort	phenotypic characterization of exotic tomato germplasm: an excellent breeding resource.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/66d60d45ce1743b39e29558b43cff48f
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Phenotypic characterization of exotic tomato germplasm: An excellent breeding resource.

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