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Physiological and yield performance of commercial rice varieties under cyclic water stress in Malaysia

The production of drought-tolerant rice varieties in Malaysia and the information regarding the response of local varieties to water stress are still lacking. Therefore, this experiment was conducted to determine the growth, physiological performance, molecular response, and yield of ten available r...

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Main Authors:	Nurul-Idayu Zakaria,, Zulkarami Berahim,, Muhammad Asyraf Md Hatta,, Mohamad Husni Omar,, Rhushalshafira Rosle,, Mohd Razi Ismail,, Nik Norasma Che’ya,, Asyraf Azmi,, Mohammad Iqbal Hakim Mohd Azhan,
Format:	Article
Language:	English
Published:	Penerbit Universiti Kebangsaan Malaysia 2024
Online Access:	http://journalarticle.ukm.my/24241/1/ST%209.pdf http://journalarticle.ukm.my/24241/ https://www.ukm.my/jsm/english_journals/vol53num7_2024/contentsVol53num7_2024.html
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spelling	my-ukm.journal.242412024-09-24T07:53:43Z http://journalarticle.ukm.my/24241/ Physiological and yield performance of commercial rice varieties under cyclic water stress in Malaysia Nurul-Idayu Zakaria, Zulkarami Berahim, Muhammad Asyraf Md Hatta, Mohamad Husni Omar, Rhushalshafira Rosle, Mohd Razi Ismail, Nik Norasma Che’ya, Asyraf Azmi, Mohammad Iqbal Hakim Mohd Azhan, The production of drought-tolerant rice varieties in Malaysia and the information regarding the response of local varieties to water stress are still lacking. Therefore, this experiment was conducted to determine the growth, physiological performance, molecular response, and yield of ten available rice varieties, namely MR 219, MR 220- CL2, MR 297, MRQ 76, Vietnam Hybrid, UKM RC2, UKM RC8, Putra 1, MR 303, and MR 307, under ten days of cyclic water stress. The experiment was arranged in a Randomized Complete Block Design (RCBD) with three replications. Plant height, tiller number, photosynthesis rate, stomatal conductance, transpiration rate, chlorophyll content, biomass partitioning, genotyping of SSR markers, days of harvest, and yield component were measured. Results showed that water limitations reduced tiller number per hill, while plant height, leaf dry matter, and panicle length were enhanced. It was found that MR 297 had the shortest plant height, while MR 220-CL2 had a short maturity period, a shorter panicle length, and an enhanced filled grain percentage. Putra 1 and UKM RC8 showed a higher photosynthesis rate, stomatal conductance, and transpiration rate under water limitation at 99 days after sowing (DAS). Under well-watered conditions, the total grain weight per pot of Putra 1 and MR 307 was enhanced compared to MR 219. Meanwhile, under water limitation, the total grain weight per pot of UKM RC2, MR 220-CL2, MR 307, MR 297, and Vietnam Hybrid was comparable to MR 219 and slightly enhanced in UKM RC8, Putra 1, and MR 303. Among the tested varieties, MR 220-CL2 can be selected based on early maturity criteria for the potential development of drought-tolerant varieties. Penerbit Universiti Kebangsaan Malaysia 2024 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/24241/1/ST%209.pdf Nurul-Idayu Zakaria, and Zulkarami Berahim, and Muhammad Asyraf Md Hatta, and Mohamad Husni Omar, and Rhushalshafira Rosle, and Mohd Razi Ismail, and Nik Norasma Che’ya, and Asyraf Azmi, and Mohammad Iqbal Hakim Mohd Azhan, (2024) Physiological and yield performance of commercial rice varieties under cyclic water stress in Malaysia. Sains Malaysiana, 53 (7). pp. 1589-1603. ISSN 0126-6039 https://www.ukm.my/jsm/english_journals/vol53num7_2024/contentsVol53num7_2024.html
institution	Universiti Kebangsaan Malaysia
building	Tun Sri Lanang Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Kebangsaan Malaysia
content_source	UKM Journal Article Repository
url_provider	http://journalarticle.ukm.my/
language	English
description	The production of drought-tolerant rice varieties in Malaysia and the information regarding the response of local varieties to water stress are still lacking. Therefore, this experiment was conducted to determine the growth, physiological performance, molecular response, and yield of ten available rice varieties, namely MR 219, MR 220- CL2, MR 297, MRQ 76, Vietnam Hybrid, UKM RC2, UKM RC8, Putra 1, MR 303, and MR 307, under ten days of cyclic water stress. The experiment was arranged in a Randomized Complete Block Design (RCBD) with three replications. Plant height, tiller number, photosynthesis rate, stomatal conductance, transpiration rate, chlorophyll content, biomass partitioning, genotyping of SSR markers, days of harvest, and yield component were measured. Results showed that water limitations reduced tiller number per hill, while plant height, leaf dry matter, and panicle length were enhanced. It was found that MR 297 had the shortest plant height, while MR 220-CL2 had a short maturity period, a shorter panicle length, and an enhanced filled grain percentage. Putra 1 and UKM RC8 showed a higher photosynthesis rate, stomatal conductance, and transpiration rate under water limitation at 99 days after sowing (DAS). Under well-watered conditions, the total grain weight per pot of Putra 1 and MR 307 was enhanced compared to MR 219. Meanwhile, under water limitation, the total grain weight per pot of UKM RC2, MR 220-CL2, MR 307, MR 297, and Vietnam Hybrid was comparable to MR 219 and slightly enhanced in UKM RC8, Putra 1, and MR 303. Among the tested varieties, MR 220-CL2 can be selected based on early maturity criteria for the potential development of drought-tolerant varieties.
format	Article
author	Nurul-Idayu Zakaria, Zulkarami Berahim, Muhammad Asyraf Md Hatta, Mohamad Husni Omar, Rhushalshafira Rosle, Mohd Razi Ismail, Nik Norasma Che’ya, Asyraf Azmi, Mohammad Iqbal Hakim Mohd Azhan,
spellingShingle	Nurul-Idayu Zakaria, Zulkarami Berahim, Muhammad Asyraf Md Hatta, Mohamad Husni Omar, Rhushalshafira Rosle, Mohd Razi Ismail, Nik Norasma Che’ya, Asyraf Azmi, Mohammad Iqbal Hakim Mohd Azhan, Physiological and yield performance of commercial rice varieties under cyclic water stress in Malaysia
author_facet	Nurul-Idayu Zakaria, Zulkarami Berahim, Muhammad Asyraf Md Hatta, Mohamad Husni Omar, Rhushalshafira Rosle, Mohd Razi Ismail, Nik Norasma Che’ya, Asyraf Azmi, Mohammad Iqbal Hakim Mohd Azhan,
author_sort	Nurul-Idayu Zakaria,
title	Physiological and yield performance of commercial rice varieties under cyclic water stress in Malaysia
title_short	Physiological and yield performance of commercial rice varieties under cyclic water stress in Malaysia
title_full	Physiological and yield performance of commercial rice varieties under cyclic water stress in Malaysia
title_fullStr	Physiological and yield performance of commercial rice varieties under cyclic water stress in Malaysia
title_full_unstemmed	Physiological and yield performance of commercial rice varieties under cyclic water stress in Malaysia
title_sort	physiological and yield performance of commercial rice varieties under cyclic water stress in malaysia
publisher	Penerbit Universiti Kebangsaan Malaysia
publishDate	2024
url	http://journalarticle.ukm.my/24241/1/ST%209.pdf http://journalarticle.ukm.my/24241/ https://www.ukm.my/jsm/english_journals/vol53num7_2024/contentsVol53num7_2024.html
_version_	1811683423725551616
score	13.211869

Physiological and yield performance of commercial rice varieties under cyclic water stress in Malaysia

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