Japanese plums behavior under water stress: impact on yield and biochemical traits

This work investigates response to drought of nine local cultivars alongside two exotic varieties of Japanese plum (Prunus salicina L.) through their yield and fruit quality components. It was carried out at Sais plain, northern Morocco, over two consecutive years (2019–2020). Water stress was impos...

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Main Authors: Anas Hamdani, Lahcen Hssaini, Said Bouda, Atman Adiba, Rachid Razouk
Format: Article
Language:English
Published: Elsevier 2022-04-01
Series:Heliyon
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2405844022005667
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author Anas Hamdani
Lahcen Hssaini
Said Bouda
Atman Adiba
Rachid Razouk
author_facet Anas Hamdani
Lahcen Hssaini
Said Bouda
Atman Adiba
Rachid Razouk
author_sort Anas Hamdani
collection DOAJ
description This work investigates response to drought of nine local cultivars alongside two exotic varieties of Japanese plum (Prunus salicina L.) through their yield and fruit quality components. It was carried out at Sais plain, northern Morocco, over two consecutive years (2019–2020). Water stress was imposed by a deficit irrigation (DI) treatment of 50% ETc during the whole fruit growth period, compared to full irrigation of 100% ETc (CI). At their full ripening stage, the cultivars were assessed for their yield, fruit weight and fruit quality attributes, namely total soluble solids (TSS), pH, titratable acidity (TA), maturity index (MI), soluble sugars content (SSC), amino acids content (AAC), total phenolic compounds (TPC) and total antioxidant capacity (TAC). Results displayed significant decrease in yield and fruit weight since the first year of DI application. Owing to calculated stability indexes of the aforementioned traits along with water use efficiency, the local cultivar ‘Fortu-43’ was the most insensitive to drought, whereas ‘Timhdit’ and ‘Black-D35’ showed the lowest drought tolerability. The effects of water stress on fruit chemical and biochemical traits varied significantly among cultivars, exhibiting an overall significant improvement in fruit quality. Two-dimensional clustered heatmap analysis subdivided the cultivars into two distinct clusters, mainly discriminated based on stability indexes of SSC, MI, TPC and TAC. Among the latter, SSC stability index was probably the most significant drought tolerance marker for Japanese plum.
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spelling doaj.art-950611160cd84bcab485a20a3d5af77d2022-12-22T02:53:04ZengElsevierHeliyon2405-84402022-04-0184e09278Japanese plums behavior under water stress: impact on yield and biochemical traitsAnas Hamdani0Lahcen Hssaini1Said Bouda2Atman Adiba3Rachid Razouk4National Institute of Agricultural Research (INRA), Regional Center of Meknes, PO 578, Morocco; Laboratory of Biotechnology and Valorization of Plant Genetic Resources, Faculty of Sciences and Techniques, University of Sultan Moulay Slimane, PO 523, Beni Mellal, MoroccoNational Institute of Agricultural Research (INRA), Regional Center of Meknes, PO 578, MoroccoLaboratory of Biotechnology and Valorization of Plant Genetic Resources, Faculty of Sciences and Techniques, University of Sultan Moulay Slimane, PO 523, Beni Mellal, MoroccoNational Institute of Agricultural Research (INRA), Regional Center of Meknes, PO 578, Morocco; Laboratory of Biotechnology and Valorization of Plant Genetic Resources, Faculty of Sciences and Techniques, University of Sultan Moulay Slimane, PO 523, Beni Mellal, MoroccoNational Institute of Agricultural Research (INRA), Regional Center of Meknes, PO 578, Morocco; Corresponding author.This work investigates response to drought of nine local cultivars alongside two exotic varieties of Japanese plum (Prunus salicina L.) through their yield and fruit quality components. It was carried out at Sais plain, northern Morocco, over two consecutive years (2019–2020). Water stress was imposed by a deficit irrigation (DI) treatment of 50% ETc during the whole fruit growth period, compared to full irrigation of 100% ETc (CI). At their full ripening stage, the cultivars were assessed for their yield, fruit weight and fruit quality attributes, namely total soluble solids (TSS), pH, titratable acidity (TA), maturity index (MI), soluble sugars content (SSC), amino acids content (AAC), total phenolic compounds (TPC) and total antioxidant capacity (TAC). Results displayed significant decrease in yield and fruit weight since the first year of DI application. Owing to calculated stability indexes of the aforementioned traits along with water use efficiency, the local cultivar ‘Fortu-43’ was the most insensitive to drought, whereas ‘Timhdit’ and ‘Black-D35’ showed the lowest drought tolerability. The effects of water stress on fruit chemical and biochemical traits varied significantly among cultivars, exhibiting an overall significant improvement in fruit quality. Two-dimensional clustered heatmap analysis subdivided the cultivars into two distinct clusters, mainly discriminated based on stability indexes of SSC, MI, TPC and TAC. Among the latter, SSC stability index was probably the most significant drought tolerance marker for Japanese plum.http://www.sciencedirect.com/science/article/pii/S2405844022005667Prunus salicina L.Water stressFruit yieldFruit qualityDrought tolerance markers
spellingShingle Anas Hamdani
Lahcen Hssaini
Said Bouda
Atman Adiba
Rachid Razouk
Japanese plums behavior under water stress: impact on yield and biochemical traits
Heliyon
Prunus salicina L.
Water stress
Fruit yield
Fruit quality
Drought tolerance markers
title Japanese plums behavior under water stress: impact on yield and biochemical traits
title_full Japanese plums behavior under water stress: impact on yield and biochemical traits
title_fullStr Japanese plums behavior under water stress: impact on yield and biochemical traits
title_full_unstemmed Japanese plums behavior under water stress: impact on yield and biochemical traits
title_short Japanese plums behavior under water stress: impact on yield and biochemical traits
title_sort japanese plums behavior under water stress impact on yield and biochemical traits
topic Prunus salicina L.
Water stress
Fruit yield
Fruit quality
Drought tolerance markers
url http://www.sciencedirect.com/science/article/pii/S2405844022005667
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AT atmanadiba japaneseplumsbehaviorunderwaterstressimpactonyieldandbiochemicaltraits
AT rachidrazouk japaneseplumsbehaviorunderwaterstressimpactonyieldandbiochemicaltraits