Growth and anatomical adaptations in response to salinity stress in Cucurbita moschata Duchesne ‘Butternut’ (Cucurbitaceae)

Pumpkin or squash is an economically important crop that is moderately sensitive to salinity but how its growth is affected by soil salinity is poorly understood. Salinity stress on physiological and anatomical traits of Cucurbita moschata ‘Butternut’ was investigated under hydroponic culture using...

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Main Authors: Worasitikulya Taratima, Sununta Sudjai, Pitakpong Maneerattanarungroj
Format: Article
Language:English
Published: Penerbit Universiti Kebangsaan Malaysia 2022
Online Access:http://journalarticle.ukm.my/19468/
http://journalarticle.ukm.my/19468/1/4.pdf
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author Worasitikulya Taratima,
Sununta Sudjai,
Pitakpong Maneerattanarungroj,
author_facet Worasitikulya Taratima,
Sununta Sudjai,
Pitakpong Maneerattanarungroj,
author_sort Worasitikulya Taratima,
building UKM Institutional Repository
collection Online Access
description Pumpkin or squash is an economically important crop that is moderately sensitive to salinity but how its growth is affected by soil salinity is poorly understood. Salinity stress on physiological and anatomical traits of Cucurbita moschata ‘Butternut’ was investigated under hydroponic culture using Hoagland’s solution with various NaCl concentrations (0, 25, 50, 75, 100, and 150 mM) for four weeks. The results showed that pumpkin growth characters decreased after cultured in various NaCl concentrations. Leaf number, leaf width, leaf length, root number, stem height, stem diameter, green intensity in terms of SPAD units, chlorophyll fluorescence (Fv’/Fm’, Fv/Fm), total chlorophyll, chlorophyll a and chlorophyll b contents significantly (p < 0.05) decreased after culture in various NaCl concentrations. Salinity stress impacted fiber layer thickness, vascular bundle size and vessel diameter of treated plants but did not affect cuticle thickness. Physiological and anatomical traits significantly correlated with salinity gradients, except for chlorophyll b and chlorophyll fluorescence, in both light and dark condition. Results provide significant data to improve the understanding of adaptation mechanisms of tolerant pumpkin cultivars under salinity stress condition.
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spelling oai:generic.eprints.org:194682022-08-26T01:19:36Z http://journalarticle.ukm.my/19468/ Growth and anatomical adaptations in response to salinity stress in Cucurbita moschata Duchesne ‘Butternut’ (Cucurbitaceae) Worasitikulya Taratima, Sununta Sudjai, Pitakpong Maneerattanarungroj, Pumpkin or squash is an economically important crop that is moderately sensitive to salinity but how its growth is affected by soil salinity is poorly understood. Salinity stress on physiological and anatomical traits of Cucurbita moschata ‘Butternut’ was investigated under hydroponic culture using Hoagland’s solution with various NaCl concentrations (0, 25, 50, 75, 100, and 150 mM) for four weeks. The results showed that pumpkin growth characters decreased after cultured in various NaCl concentrations. Leaf number, leaf width, leaf length, root number, stem height, stem diameter, green intensity in terms of SPAD units, chlorophyll fluorescence (Fv’/Fm’, Fv/Fm), total chlorophyll, chlorophyll a and chlorophyll b contents significantly (p < 0.05) decreased after culture in various NaCl concentrations. Salinity stress impacted fiber layer thickness, vascular bundle size and vessel diameter of treated plants but did not affect cuticle thickness. Physiological and anatomical traits significantly correlated with salinity gradients, except for chlorophyll b and chlorophyll fluorescence, in both light and dark condition. Results provide significant data to improve the understanding of adaptation mechanisms of tolerant pumpkin cultivars under salinity stress condition. Penerbit Universiti Kebangsaan Malaysia 2022-05 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/19468/1/4.pdf Worasitikulya Taratima, and Sununta Sudjai, and Pitakpong Maneerattanarungroj, (2022) Growth and anatomical adaptations in response to salinity stress in Cucurbita moschata Duchesne ‘Butternut’ (Cucurbitaceae). Sains Malaysiana, 51 (5). pp. 1317-1324. ISSN 0126-6039 https://www.ukm.my/jsm/malay_journals/jilid51bil5_2022/KandunganJilid51Bil5_2022.html
spellingShingle Worasitikulya Taratima,
Sununta Sudjai,
Pitakpong Maneerattanarungroj,
Growth and anatomical adaptations in response to salinity stress in Cucurbita moschata Duchesne ‘Butternut’ (Cucurbitaceae)
title Growth and anatomical adaptations in response to salinity stress in Cucurbita moschata Duchesne ‘Butternut’ (Cucurbitaceae)
title_full Growth and anatomical adaptations in response to salinity stress in Cucurbita moschata Duchesne ‘Butternut’ (Cucurbitaceae)
title_fullStr Growth and anatomical adaptations in response to salinity stress in Cucurbita moschata Duchesne ‘Butternut’ (Cucurbitaceae)
title_full_unstemmed Growth and anatomical adaptations in response to salinity stress in Cucurbita moschata Duchesne ‘Butternut’ (Cucurbitaceae)
title_short Growth and anatomical adaptations in response to salinity stress in Cucurbita moschata Duchesne ‘Butternut’ (Cucurbitaceae)
title_sort growth and anatomical adaptations in response to salinity stress in cucurbita moschata duchesne ‘butternut’ (cucurbitaceae)
url http://journalarticle.ukm.my/19468/
http://journalarticle.ukm.my/19468/
http://journalarticle.ukm.my/19468/1/4.pdf