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Characteristics of physiology, phenology, and drought susceptibility index of two varieties of Job’s tears under water deficit stress

Job’s tears or hanjeli (Coix lacryma-jobi L.) is a functional food crop with less popularly cultivated and longer life cycle than paddy and maize, so that it is potentially exposed to drought stress in the dry season in tropical areas. This study aims to evaluate the physiology, phenology, and droug...

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Main Authors: Wicaksono, Fiky Yulianto, Sinniah, Uma Rani, Ruminta, Sumadi, Tati Nurmala
Format: Article
Published: Universitas Sebelas Maret, Surakarta 2022
Online Access:http://psasir.upm.edu.my/id/eprint/100670/
https://smujo.id/biodiv/article/view/9910
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spelling my.upm.eprints.1006702023-09-15T08:40:50Z http://psasir.upm.edu.my/id/eprint/100670/ Characteristics of physiology, phenology, and drought susceptibility index of two varieties of Job’s tears under water deficit stress Wicaksono, Fiky Yulianto Sinniah, Uma Rani Ruminta Sumadi Tati Nurmala Job’s tears or hanjeli (Coix lacryma-jobi L.) is a functional food crop with less popularly cultivated and longer life cycle than paddy and maize, so that it is potentially exposed to drought stress in the dry season in tropical areas. This study aims to evaluate the physiology, phenology, and drought susceptibility index lack of both Job’s tears varieties under water deficit stress. The study was conducted in quantitative method, by using 2 populations of ma-yuen and stenocarpa varieties which were treated with two levels of watering treatment during the vegetative phase (6 to 12 weeks after sowing), i.e. every day watering and every three days watering. Observations were made on physiological traits, phenology, and drought susceptibility index. The results showed that water deficit decreased stomatal conductance and chlorophyll content, but it could increase electrolyte leakage and proline content. Increasing proline content had a significant correlation with crop yields improvement. Flowering time was prolonged as the effect of drought stress in both varieties. Based on drought susceptibility index, stenocarpa was more tolerant than ma-yuen. However, some farmers might still cultivate the ma-yuen due to the soft seed shell character, therefore, this study finding could be used as a basis for developing further plant irrigation techniques for sensitive variety amid a prolonged dry season. Universitas Sebelas Maret, Surakarta 2022-01 Article PeerReviewed Wicaksono, Fiky Yulianto and Sinniah, Uma Rani and Ruminta and Sumadi and Tati Nurmala (2022) Characteristics of physiology, phenology, and drought susceptibility index of two varieties of Job’s tears under water deficit stress. Biodiversitas, 23 (1). 381 - 387. ISSN 1412-033X; ESSN: 2085-4722 https://smujo.id/biodiv/article/view/9910 10.13057/biodiv/d230139
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
description Job’s tears or hanjeli (Coix lacryma-jobi L.) is a functional food crop with less popularly cultivated and longer life cycle than paddy and maize, so that it is potentially exposed to drought stress in the dry season in tropical areas. This study aims to evaluate the physiology, phenology, and drought susceptibility index lack of both Job’s tears varieties under water deficit stress. The study was conducted in quantitative method, by using 2 populations of ma-yuen and stenocarpa varieties which were treated with two levels of watering treatment during the vegetative phase (6 to 12 weeks after sowing), i.e. every day watering and every three days watering. Observations were made on physiological traits, phenology, and drought susceptibility index. The results showed that water deficit decreased stomatal conductance and chlorophyll content, but it could increase electrolyte leakage and proline content. Increasing proline content had a significant correlation with crop yields improvement. Flowering time was prolonged as the effect of drought stress in both varieties. Based on drought susceptibility index, stenocarpa was more tolerant than ma-yuen. However, some farmers might still cultivate the ma-yuen due to the soft seed shell character, therefore, this study finding could be used as a basis for developing further plant irrigation techniques for sensitive variety amid a prolonged dry season.
format Article
author Wicaksono, Fiky Yulianto
Sinniah, Uma Rani
Ruminta
Sumadi
Tati Nurmala
spellingShingle Wicaksono, Fiky Yulianto
Sinniah, Uma Rani
Ruminta
Sumadi
Tati Nurmala
Characteristics of physiology, phenology, and drought susceptibility index of two varieties of Job’s tears under water deficit stress
author_facet Wicaksono, Fiky Yulianto
Sinniah, Uma Rani
Ruminta
Sumadi
Tati Nurmala
author_sort Wicaksono, Fiky Yulianto
title Characteristics of physiology, phenology, and drought susceptibility index of two varieties of Job’s tears under water deficit stress
title_short Characteristics of physiology, phenology, and drought susceptibility index of two varieties of Job’s tears under water deficit stress
title_full Characteristics of physiology, phenology, and drought susceptibility index of two varieties of Job’s tears under water deficit stress
title_fullStr Characteristics of physiology, phenology, and drought susceptibility index of two varieties of Job’s tears under water deficit stress
title_full_unstemmed Characteristics of physiology, phenology, and drought susceptibility index of two varieties of Job’s tears under water deficit stress
title_sort characteristics of physiology, phenology, and drought susceptibility index of two varieties of job’s tears under water deficit stress
publisher Universitas Sebelas Maret, Surakarta
publishDate 2022
url http://psasir.upm.edu.my/id/eprint/100670/
https://smujo.id/biodiv/article/view/9910
_version_ 1781706682263404544
score 13.211869

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