A novel genotypic selection methodology to create a breeding population for developing drought-tolerant cultivars in tree crops

With the adverse effects of climate change, selecting the best tolerant varieties to drought stress is highly necessary to sustain the yield and productivity of agricultural crops including tree crops. However, classical drought tolerance selection studies of tree crops have several limitations due...

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Main Authors: C.R.K. Samarasinghe, D.P. Kumarathunge, M.K. Meegahakumbura
Format: Article
Language:English
Published: Elsevier 2023-01-01
Series:MethodsX
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2215016123002157
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author C.R.K. Samarasinghe
D.P. Kumarathunge
M.K. Meegahakumbura
author_facet C.R.K. Samarasinghe
D.P. Kumarathunge
M.K. Meegahakumbura
author_sort C.R.K. Samarasinghe
collection DOAJ
description With the adverse effects of climate change, selecting the best tolerant varieties to drought stress is highly necessary to sustain the yield and productivity of agricultural crops including tree crops. However, classical drought tolerance selection studies of tree crops have several limitations due to their relatively long lifespan. In this study, we propose a method to identify stable high-yielding trees under changing soil moisture conditions using yield data of existing elite tree populations. We develop this method using the data from a tropical tree palm, Coconut (Cocos nucifera L.) as a model crop. Our selection method considers individual palms as different genotypes. The method considered both mean trait values and their stability across different environments therefore, it can be effectively used to identify elite genotypes of tree crops for drought tolerance. • We propose an analysis framework to identify stable, high-yielding individuals of tree crops under limited soil moisture conditions using the data of existing tree populations. • Individual trees that produce stable and higher yields under soil moisture stress were identified based on mean yield and regression-based coefficient over different environments characterized by inter-annual rainfall variability. • Individual trees selected by this method can be used as parental populations in breeding programs that focus on developing drought-tolerant varieties.
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spelling doaj.art-09e413daa92a4296bf032ccf4bf0252f2023-06-24T05:17:45ZengElsevierMethodsX2215-01612023-01-0110102217A novel genotypic selection methodology to create a breeding population for developing drought-tolerant cultivars in tree cropsC.R.K. Samarasinghe0D.P. Kumarathunge1M.K. Meegahakumbura2Genetics and Plant Breeding Division Coconut Research Institute, Lunuwila, Sri LankaDepartment of Agricultural Biology, Faculty of Agriculture, University of Ruhuna, Mapalana, Kamburupitiya, Sri LankaDepartment of Export Agriculture, Faculty of Animal Science and Export Agriculture, Uva Wellassa University, Sri Lanka; Corresponding author.With the adverse effects of climate change, selecting the best tolerant varieties to drought stress is highly necessary to sustain the yield and productivity of agricultural crops including tree crops. However, classical drought tolerance selection studies of tree crops have several limitations due to their relatively long lifespan. In this study, we propose a method to identify stable high-yielding trees under changing soil moisture conditions using yield data of existing elite tree populations. We develop this method using the data from a tropical tree palm, Coconut (Cocos nucifera L.) as a model crop. Our selection method considers individual palms as different genotypes. The method considered both mean trait values and their stability across different environments therefore, it can be effectively used to identify elite genotypes of tree crops for drought tolerance. • We propose an analysis framework to identify stable, high-yielding individuals of tree crops under limited soil moisture conditions using the data of existing tree populations. • Individual trees that produce stable and higher yields under soil moisture stress were identified based on mean yield and regression-based coefficient over different environments characterized by inter-annual rainfall variability. • Individual trees selected by this method can be used as parental populations in breeding programs that focus on developing drought-tolerant varieties.http://www.sciencedirect.com/science/article/pii/S2215016123002157Genotypic selection methodology to create a breeding population for developing drought-tolerant cultivars in tree crops
spellingShingle C.R.K. Samarasinghe
D.P. Kumarathunge
M.K. Meegahakumbura
A novel genotypic selection methodology to create a breeding population for developing drought-tolerant cultivars in tree crops
MethodsX
Genotypic selection methodology to create a breeding population for developing drought-tolerant cultivars in tree crops
title A novel genotypic selection methodology to create a breeding population for developing drought-tolerant cultivars in tree crops
title_full A novel genotypic selection methodology to create a breeding population for developing drought-tolerant cultivars in tree crops
title_fullStr A novel genotypic selection methodology to create a breeding population for developing drought-tolerant cultivars in tree crops
title_full_unstemmed A novel genotypic selection methodology to create a breeding population for developing drought-tolerant cultivars in tree crops
title_short A novel genotypic selection methodology to create a breeding population for developing drought-tolerant cultivars in tree crops
title_sort novel genotypic selection methodology to create a breeding population for developing drought tolerant cultivars in tree crops
topic Genotypic selection methodology to create a breeding population for developing drought-tolerant cultivars in tree crops
url http://www.sciencedirect.com/science/article/pii/S2215016123002157
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