Root Distribution and Its Impacts on the Drought Tolerance Capacity of Hybrid Rice in the Sichuan Basin Area of China

Drought is one of the major factors limiting rice yield worldwide. A total of 46 hybrid rice varieties were chosen to investigate their root distribution and their response to drought. A field experiment was carried out in a dry shed building to evaluate the drought tolerance capacity of hybrid rice varieties on the basis of CTIRDE (complex tolerance index of rice under drought environment) values. Next, the experiment was conducted in a specially designed pot system and seed bags to analyze the root distribution and activity of antioxidant enzymes in different rice varieties. Moreover, the <i<DEEPER ROOTING 1 (DRO1)</i< gene was sequenced to elucidate its role in the root distribution of typical rice varieties. On the basis of CTIRDE values, the 46 hybrid rice varieties were classified as tolerant (CTIRDE ≥ 0.75), semi-tolerant (0.75 > CTIRDE > 0.65), or sensitive (CTIRDE ≤ 0.65) to drought stress. The tolerant varieties (Chuanguyou208 and Deyou4727) displayed a significantly larger length, had higher number and weight of roots in the 30⁻50 cm soil layer, and exhibited a significantly higher activity of Superoxide dismutase (SOD) and Peroxidase (POD) enzymes in roots during the drought stress period. The <i<DRO1</i< gene sequencing results revealed that the tolerant and sensitive varieties exhibited a single-nucleotide polymorphism (SNP) in the 3-exon region, and the tolerant varieties (Chuanguyou208 and Deyou4727) exhibited a larger root growth angle with the horizontal axis, hence developing a deeper root system as compared with the other two group varieties. A significant correlation was found not only between the <i<DRO1</i< gene and root distribution but also between <i<DRO1</i< and the activity of SOD and POD enzymes. Conclusively, as a key feature, a deep root system enabled tolerant rice varieties (Chuanguyou208 and Deyou4727) to avoid drought stress by absorbing more water stored in deep soil layers. The root distribution, activity of POD and SOD enzymes in roots, and <i<DRO1</i< gene can be used to screen tolerant rice varieties that can survive better under drought stress during the seedling stage of rice growth. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Xuechun Wang [verfasserIn] Naseem Samo [verfasserIn] Lamei Li [verfasserIn] Mengran Wang [verfasserIn] Muslim Qadir [verfasserIn] Kaifeng Jiang [verfasserIn] Jian Qin [verfasserIn] Fahd Rasul [verfasserIn] Guotao Yang [verfasserIn] Yungao Hu [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Schlagwörter:	rice drought CTIRDE root distribution

Übergeordnetes Werk:	In: Agronomy - MDPI AG, 2012, 9(2019), 2, p 79
Übergeordnetes Werk:	volume:9 ; year:2019 ; number:2, p 79

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/agronomy9020079

Katalog-ID:	DOAJ001410598

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allfields	10.3390/agronomy9020079 doi (DE-627)DOAJ001410598 (DE-599)DOAJ3a1c25fc1d604e8e8c7b7667a4681602 DE-627 ger DE-627 rakwb eng Xuechun Wang verfasserin aut Root Distribution and Its Impacts on the Drought Tolerance Capacity of Hybrid Rice in the Sichuan Basin Area of China 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Drought is one of the major factors limiting rice yield worldwide. A total of 46 hybrid rice varieties were chosen to investigate their root distribution and their response to drought. A field experiment was carried out in a dry shed building to evaluate the drought tolerance capacity of hybrid rice varieties on the basis of CTIRDE (complex tolerance index of rice under drought environment) values. Next, the experiment was conducted in a specially designed pot system and seed bags to analyze the root distribution and activity of antioxidant enzymes in different rice varieties. Moreover, the <i<DEEPER ROOTING 1 (DRO1)</i< gene was sequenced to elucidate its role in the root distribution of typical rice varieties. On the basis of CTIRDE values, the 46 hybrid rice varieties were classified as tolerant (CTIRDE ≥ 0.75), semi-tolerant (0.75 > CTIRDE > 0.65), or sensitive (CTIRDE ≤ 0.65) to drought stress. The tolerant varieties (Chuanguyou208 and Deyou4727) displayed a significantly larger length, had higher number and weight of roots in the 30⁻50 cm soil layer, and exhibited a significantly higher activity of Superoxide dismutase (SOD) and Peroxidase (POD) enzymes in roots during the drought stress period. The <i<DRO1</i< gene sequencing results revealed that the tolerant and sensitive varieties exhibited a single-nucleotide polymorphism (SNP) in the 3-exon region, and the tolerant varieties (Chuanguyou208 and Deyou4727) exhibited a larger root growth angle with the horizontal axis, hence developing a deeper root system as compared with the other two group varieties. A significant correlation was found not only between the <i<DRO1</i< gene and root distribution but also between <i<DRO1</i< and the activity of SOD and POD enzymes. Conclusively, as a key feature, a deep root system enabled tolerant rice varieties (Chuanguyou208 and Deyou4727) to avoid drought stress by absorbing more water stored in deep soil layers. The root distribution, activity of POD and SOD enzymes in roots, and <i<DRO1</i< gene can be used to screen tolerant rice varieties that can survive better under drought stress during the seedling stage of rice growth. rice drought CTIRDE root distribution <i<DRO1</i< Agriculture S Naseem Samo verfasserin aut Lamei Li verfasserin aut Mengran Wang verfasserin aut Muslim Qadir verfasserin aut Kaifeng Jiang verfasserin aut Jian Qin verfasserin aut Fahd Rasul verfasserin aut Guotao Yang verfasserin aut Yungao Hu verfasserin aut In Agronomy MDPI AG, 2012 9(2019), 2, p 79 (DE-627)658000543 (DE-600)2607043-1 20734395 nnns volume:9 year:2019 number:2, p 79 https://doi.org/10.3390/agronomy9020079 kostenfrei https://doaj.org/article/3a1c25fc1d604e8e8c7b7667a4681602 kostenfrei https://www.mdpi.com/2073-4395/9/2/79 kostenfrei https://doaj.org/toc/2073-4395 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2019 2, p 79
spelling	10.3390/agronomy9020079 doi (DE-627)DOAJ001410598 (DE-599)DOAJ3a1c25fc1d604e8e8c7b7667a4681602 DE-627 ger DE-627 rakwb eng Xuechun Wang verfasserin aut Root Distribution and Its Impacts on the Drought Tolerance Capacity of Hybrid Rice in the Sichuan Basin Area of China 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Drought is one of the major factors limiting rice yield worldwide. A total of 46 hybrid rice varieties were chosen to investigate their root distribution and their response to drought. A field experiment was carried out in a dry shed building to evaluate the drought tolerance capacity of hybrid rice varieties on the basis of CTIRDE (complex tolerance index of rice under drought environment) values. Next, the experiment was conducted in a specially designed pot system and seed bags to analyze the root distribution and activity of antioxidant enzymes in different rice varieties. Moreover, the <i<DEEPER ROOTING 1 (DRO1)</i< gene was sequenced to elucidate its role in the root distribution of typical rice varieties. On the basis of CTIRDE values, the 46 hybrid rice varieties were classified as tolerant (CTIRDE ≥ 0.75), semi-tolerant (0.75 > CTIRDE > 0.65), or sensitive (CTIRDE ≤ 0.65) to drought stress. The tolerant varieties (Chuanguyou208 and Deyou4727) displayed a significantly larger length, had higher number and weight of roots in the 30⁻50 cm soil layer, and exhibited a significantly higher activity of Superoxide dismutase (SOD) and Peroxidase (POD) enzymes in roots during the drought stress period. The <i<DRO1</i< gene sequencing results revealed that the tolerant and sensitive varieties exhibited a single-nucleotide polymorphism (SNP) in the 3-exon region, and the tolerant varieties (Chuanguyou208 and Deyou4727) exhibited a larger root growth angle with the horizontal axis, hence developing a deeper root system as compared with the other two group varieties. A significant correlation was found not only between the <i<DRO1</i< gene and root distribution but also between <i<DRO1</i< and the activity of SOD and POD enzymes. Conclusively, as a key feature, a deep root system enabled tolerant rice varieties (Chuanguyou208 and Deyou4727) to avoid drought stress by absorbing more water stored in deep soil layers. The root distribution, activity of POD and SOD enzymes in roots, and <i<DRO1</i< gene can be used to screen tolerant rice varieties that can survive better under drought stress during the seedling stage of rice growth. rice drought CTIRDE root distribution <i<DRO1</i< Agriculture S Naseem Samo verfasserin aut Lamei Li verfasserin aut Mengran Wang verfasserin aut Muslim Qadir verfasserin aut Kaifeng Jiang verfasserin aut Jian Qin verfasserin aut Fahd Rasul verfasserin aut Guotao Yang verfasserin aut Yungao Hu verfasserin aut In Agronomy MDPI AG, 2012 9(2019), 2, p 79 (DE-627)658000543 (DE-600)2607043-1 20734395 nnns volume:9 year:2019 number:2, p 79 https://doi.org/10.3390/agronomy9020079 kostenfrei https://doaj.org/article/3a1c25fc1d604e8e8c7b7667a4681602 kostenfrei https://www.mdpi.com/2073-4395/9/2/79 kostenfrei https://doaj.org/toc/2073-4395 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2019 2, p 79
allfields_unstemmed	10.3390/agronomy9020079 doi (DE-627)DOAJ001410598 (DE-599)DOAJ3a1c25fc1d604e8e8c7b7667a4681602 DE-627 ger DE-627 rakwb eng Xuechun Wang verfasserin aut Root Distribution and Its Impacts on the Drought Tolerance Capacity of Hybrid Rice in the Sichuan Basin Area of China 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Drought is one of the major factors limiting rice yield worldwide. A total of 46 hybrid rice varieties were chosen to investigate their root distribution and their response to drought. A field experiment was carried out in a dry shed building to evaluate the drought tolerance capacity of hybrid rice varieties on the basis of CTIRDE (complex tolerance index of rice under drought environment) values. Next, the experiment was conducted in a specially designed pot system and seed bags to analyze the root distribution and activity of antioxidant enzymes in different rice varieties. Moreover, the <i<DEEPER ROOTING 1 (DRO1)</i< gene was sequenced to elucidate its role in the root distribution of typical rice varieties. On the basis of CTIRDE values, the 46 hybrid rice varieties were classified as tolerant (CTIRDE ≥ 0.75), semi-tolerant (0.75 > CTIRDE > 0.65), or sensitive (CTIRDE ≤ 0.65) to drought stress. The tolerant varieties (Chuanguyou208 and Deyou4727) displayed a significantly larger length, had higher number and weight of roots in the 30⁻50 cm soil layer, and exhibited a significantly higher activity of Superoxide dismutase (SOD) and Peroxidase (POD) enzymes in roots during the drought stress period. The <i<DRO1</i< gene sequencing results revealed that the tolerant and sensitive varieties exhibited a single-nucleotide polymorphism (SNP) in the 3-exon region, and the tolerant varieties (Chuanguyou208 and Deyou4727) exhibited a larger root growth angle with the horizontal axis, hence developing a deeper root system as compared with the other two group varieties. A significant correlation was found not only between the <i<DRO1</i< gene and root distribution but also between <i<DRO1</i< and the activity of SOD and POD enzymes. Conclusively, as a key feature, a deep root system enabled tolerant rice varieties (Chuanguyou208 and Deyou4727) to avoid drought stress by absorbing more water stored in deep soil layers. The root distribution, activity of POD and SOD enzymes in roots, and <i<DRO1</i< gene can be used to screen tolerant rice varieties that can survive better under drought stress during the seedling stage of rice growth. rice drought CTIRDE root distribution <i<DRO1</i< Agriculture S Naseem Samo verfasserin aut Lamei Li verfasserin aut Mengran Wang verfasserin aut Muslim Qadir verfasserin aut Kaifeng Jiang verfasserin aut Jian Qin verfasserin aut Fahd Rasul verfasserin aut Guotao Yang verfasserin aut Yungao Hu verfasserin aut In Agronomy MDPI AG, 2012 9(2019), 2, p 79 (DE-627)658000543 (DE-600)2607043-1 20734395 nnns volume:9 year:2019 number:2, p 79 https://doi.org/10.3390/agronomy9020079 kostenfrei https://doaj.org/article/3a1c25fc1d604e8e8c7b7667a4681602 kostenfrei https://www.mdpi.com/2073-4395/9/2/79 kostenfrei https://doaj.org/toc/2073-4395 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2019 2, p 79
allfieldsGer	10.3390/agronomy9020079 doi (DE-627)DOAJ001410598 (DE-599)DOAJ3a1c25fc1d604e8e8c7b7667a4681602 DE-627 ger DE-627 rakwb eng Xuechun Wang verfasserin aut Root Distribution and Its Impacts on the Drought Tolerance Capacity of Hybrid Rice in the Sichuan Basin Area of China 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Drought is one of the major factors limiting rice yield worldwide. A total of 46 hybrid rice varieties were chosen to investigate their root distribution and their response to drought. A field experiment was carried out in a dry shed building to evaluate the drought tolerance capacity of hybrid rice varieties on the basis of CTIRDE (complex tolerance index of rice under drought environment) values. Next, the experiment was conducted in a specially designed pot system and seed bags to analyze the root distribution and activity of antioxidant enzymes in different rice varieties. Moreover, the <i<DEEPER ROOTING 1 (DRO1)</i< gene was sequenced to elucidate its role in the root distribution of typical rice varieties. On the basis of CTIRDE values, the 46 hybrid rice varieties were classified as tolerant (CTIRDE ≥ 0.75), semi-tolerant (0.75 > CTIRDE > 0.65), or sensitive (CTIRDE ≤ 0.65) to drought stress. The tolerant varieties (Chuanguyou208 and Deyou4727) displayed a significantly larger length, had higher number and weight of roots in the 30⁻50 cm soil layer, and exhibited a significantly higher activity of Superoxide dismutase (SOD) and Peroxidase (POD) enzymes in roots during the drought stress period. The <i<DRO1</i< gene sequencing results revealed that the tolerant and sensitive varieties exhibited a single-nucleotide polymorphism (SNP) in the 3-exon region, and the tolerant varieties (Chuanguyou208 and Deyou4727) exhibited a larger root growth angle with the horizontal axis, hence developing a deeper root system as compared with the other two group varieties. A significant correlation was found not only between the <i<DRO1</i< gene and root distribution but also between <i<DRO1</i< and the activity of SOD and POD enzymes. Conclusively, as a key feature, a deep root system enabled tolerant rice varieties (Chuanguyou208 and Deyou4727) to avoid drought stress by absorbing more water stored in deep soil layers. The root distribution, activity of POD and SOD enzymes in roots, and <i<DRO1</i< gene can be used to screen tolerant rice varieties that can survive better under drought stress during the seedling stage of rice growth. rice drought CTIRDE root distribution <i<DRO1</i< Agriculture S Naseem Samo verfasserin aut Lamei Li verfasserin aut Mengran Wang verfasserin aut Muslim Qadir verfasserin aut Kaifeng Jiang verfasserin aut Jian Qin verfasserin aut Fahd Rasul verfasserin aut Guotao Yang verfasserin aut Yungao Hu verfasserin aut In Agronomy MDPI AG, 2012 9(2019), 2, p 79 (DE-627)658000543 (DE-600)2607043-1 20734395 nnns volume:9 year:2019 number:2, p 79 https://doi.org/10.3390/agronomy9020079 kostenfrei https://doaj.org/article/3a1c25fc1d604e8e8c7b7667a4681602 kostenfrei https://www.mdpi.com/2073-4395/9/2/79 kostenfrei https://doaj.org/toc/2073-4395 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2019 2, p 79
allfieldsSound	10.3390/agronomy9020079 doi (DE-627)DOAJ001410598 (DE-599)DOAJ3a1c25fc1d604e8e8c7b7667a4681602 DE-627 ger DE-627 rakwb eng Xuechun Wang verfasserin aut Root Distribution and Its Impacts on the Drought Tolerance Capacity of Hybrid Rice in the Sichuan Basin Area of China 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Drought is one of the major factors limiting rice yield worldwide. A total of 46 hybrid rice varieties were chosen to investigate their root distribution and their response to drought. A field experiment was carried out in a dry shed building to evaluate the drought tolerance capacity of hybrid rice varieties on the basis of CTIRDE (complex tolerance index of rice under drought environment) values. Next, the experiment was conducted in a specially designed pot system and seed bags to analyze the root distribution and activity of antioxidant enzymes in different rice varieties. Moreover, the <i<DEEPER ROOTING 1 (DRO1)</i< gene was sequenced to elucidate its role in the root distribution of typical rice varieties. On the basis of CTIRDE values, the 46 hybrid rice varieties were classified as tolerant (CTIRDE ≥ 0.75), semi-tolerant (0.75 > CTIRDE > 0.65), or sensitive (CTIRDE ≤ 0.65) to drought stress. The tolerant varieties (Chuanguyou208 and Deyou4727) displayed a significantly larger length, had higher number and weight of roots in the 30⁻50 cm soil layer, and exhibited a significantly higher activity of Superoxide dismutase (SOD) and Peroxidase (POD) enzymes in roots during the drought stress period. The <i<DRO1</i< gene sequencing results revealed that the tolerant and sensitive varieties exhibited a single-nucleotide polymorphism (SNP) in the 3-exon region, and the tolerant varieties (Chuanguyou208 and Deyou4727) exhibited a larger root growth angle with the horizontal axis, hence developing a deeper root system as compared with the other two group varieties. A significant correlation was found not only between the <i<DRO1</i< gene and root distribution but also between <i<DRO1</i< and the activity of SOD and POD enzymes. Conclusively, as a key feature, a deep root system enabled tolerant rice varieties (Chuanguyou208 and Deyou4727) to avoid drought stress by absorbing more water stored in deep soil layers. The root distribution, activity of POD and SOD enzymes in roots, and <i<DRO1</i< gene can be used to screen tolerant rice varieties that can survive better under drought stress during the seedling stage of rice growth. rice drought CTIRDE root distribution <i<DRO1</i< Agriculture S Naseem Samo verfasserin aut Lamei Li verfasserin aut Mengran Wang verfasserin aut Muslim Qadir verfasserin aut Kaifeng Jiang verfasserin aut Jian Qin verfasserin aut Fahd Rasul verfasserin aut Guotao Yang verfasserin aut Yungao Hu verfasserin aut In Agronomy MDPI AG, 2012 9(2019), 2, p 79 (DE-627)658000543 (DE-600)2607043-1 20734395 nnns volume:9 year:2019 number:2, p 79 https://doi.org/10.3390/agronomy9020079 kostenfrei https://doaj.org/article/3a1c25fc1d604e8e8c7b7667a4681602 kostenfrei https://www.mdpi.com/2073-4395/9/2/79 kostenfrei https://doaj.org/toc/2073-4395 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2019 2, p 79
language	English
source	In Agronomy 9(2019), 2, p 79 volume:9 year:2019 number:2, p 79
sourceStr	In Agronomy 9(2019), 2, p 79 volume:9 year:2019 number:2, p 79
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topic_facet	rice drought CTIRDE root distribution <i<DRO1</i< Agriculture S
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authorswithroles_txt_mv	Xuechun Wang @@aut@@ Naseem Samo @@aut@@ Lamei Li @@aut@@ Mengran Wang @@aut@@ Muslim Qadir @@aut@@ Kaifeng Jiang @@aut@@ Jian Qin @@aut@@ Fahd Rasul @@aut@@ Guotao Yang @@aut@@ Yungao Hu @@aut@@
publishDateDaySort_date	2019-01-01T00:00:00Z
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The tolerant varieties (Chuanguyou208 and Deyou4727) displayed a significantly larger length, had higher number and weight of roots in the 30⁻50 cm soil layer, and exhibited a significantly higher activity of Superoxide dismutase (SOD) and Peroxidase (POD) enzymes in roots during the drought stress period. The <i<DRO1</i< gene sequencing results revealed that the tolerant and sensitive varieties exhibited a single-nucleotide polymorphism (SNP) in the 3-exon region, and the tolerant varieties (Chuanguyou208 and Deyou4727) exhibited a larger root growth angle with the horizontal axis, hence developing a deeper root system as compared with the other two group varieties. A significant correlation was found not only between the <i<DRO1</i< gene and root distribution but also between <i<DRO1</i< and the activity of SOD and POD enzymes. Conclusively, as a key feature, a deep root system enabled tolerant rice varieties (Chuanguyou208 and Deyou4727) to avoid drought stress by absorbing more water stored in deep soil layers. 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author	Xuechun Wang
spellingShingle	Xuechun Wang misc rice misc drought misc CTIRDE misc root distribution misc <i<DRO1</i< misc Agriculture misc S Root Distribution and Its Impacts on the Drought Tolerance Capacity of Hybrid Rice in the Sichuan Basin Area of China
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topic_title	Root Distribution and Its Impacts on the Drought Tolerance Capacity of Hybrid Rice in the Sichuan Basin Area of China rice drought CTIRDE root distribution <i<DRO1</i<
topic	misc rice misc drought misc CTIRDE misc root distribution misc <i<DRO1</i< misc Agriculture misc S
topic_unstemmed	misc rice misc drought misc CTIRDE misc root distribution misc <i<DRO1</i< misc Agriculture misc S
topic_browse	misc rice misc drought misc CTIRDE misc root distribution misc <i<DRO1</i< misc Agriculture misc S
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title	Root Distribution and Its Impacts on the Drought Tolerance Capacity of Hybrid Rice in the Sichuan Basin Area of China
ctrlnum	(DE-627)DOAJ001410598 (DE-599)DOAJ3a1c25fc1d604e8e8c7b7667a4681602
title_full	Root Distribution and Its Impacts on the Drought Tolerance Capacity of Hybrid Rice in the Sichuan Basin Area of China
author_sort	Xuechun Wang
journal	Agronomy
journalStr	Agronomy
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author_browse	Xuechun Wang Naseem Samo Lamei Li Mengran Wang Muslim Qadir Kaifeng Jiang Jian Qin Fahd Rasul Guotao Yang Yungao Hu
container_volume	9
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doi_str_mv	10.3390/agronomy9020079
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title_sort	root distribution and its impacts on the drought tolerance capacity of hybrid rice in the sichuan basin area of china
title_auth	Root Distribution and Its Impacts on the Drought Tolerance Capacity of Hybrid Rice in the Sichuan Basin Area of China
abstract	Drought is one of the major factors limiting rice yield worldwide. A total of 46 hybrid rice varieties were chosen to investigate their root distribution and their response to drought. A field experiment was carried out in a dry shed building to evaluate the drought tolerance capacity of hybrid rice varieties on the basis of CTIRDE (complex tolerance index of rice under drought environment) values. Next, the experiment was conducted in a specially designed pot system and seed bags to analyze the root distribution and activity of antioxidant enzymes in different rice varieties. Moreover, the <i<DEEPER ROOTING 1 (DRO1)</i< gene was sequenced to elucidate its role in the root distribution of typical rice varieties. On the basis of CTIRDE values, the 46 hybrid rice varieties were classified as tolerant (CTIRDE ≥ 0.75), semi-tolerant (0.75 > CTIRDE > 0.65), or sensitive (CTIRDE ≤ 0.65) to drought stress. The tolerant varieties (Chuanguyou208 and Deyou4727) displayed a significantly larger length, had higher number and weight of roots in the 30⁻50 cm soil layer, and exhibited a significantly higher activity of Superoxide dismutase (SOD) and Peroxidase (POD) enzymes in roots during the drought stress period. The <i<DRO1</i< gene sequencing results revealed that the tolerant and sensitive varieties exhibited a single-nucleotide polymorphism (SNP) in the 3-exon region, and the tolerant varieties (Chuanguyou208 and Deyou4727) exhibited a larger root growth angle with the horizontal axis, hence developing a deeper root system as compared with the other two group varieties. A significant correlation was found not only between the <i<DRO1</i< gene and root distribution but also between <i<DRO1</i< and the activity of SOD and POD enzymes. Conclusively, as a key feature, a deep root system enabled tolerant rice varieties (Chuanguyou208 and Deyou4727) to avoid drought stress by absorbing more water stored in deep soil layers. The root distribution, activity of POD and SOD enzymes in roots, and <i<DRO1</i< gene can be used to screen tolerant rice varieties that can survive better under drought stress during the seedling stage of rice growth.
abstractGer	Drought is one of the major factors limiting rice yield worldwide. A total of 46 hybrid rice varieties were chosen to investigate their root distribution and their response to drought. A field experiment was carried out in a dry shed building to evaluate the drought tolerance capacity of hybrid rice varieties on the basis of CTIRDE (complex tolerance index of rice under drought environment) values. Next, the experiment was conducted in a specially designed pot system and seed bags to analyze the root distribution and activity of antioxidant enzymes in different rice varieties. Moreover, the <i<DEEPER ROOTING 1 (DRO1)</i< gene was sequenced to elucidate its role in the root distribution of typical rice varieties. On the basis of CTIRDE values, the 46 hybrid rice varieties were classified as tolerant (CTIRDE ≥ 0.75), semi-tolerant (0.75 > CTIRDE > 0.65), or sensitive (CTIRDE ≤ 0.65) to drought stress. The tolerant varieties (Chuanguyou208 and Deyou4727) displayed a significantly larger length, had higher number and weight of roots in the 30⁻50 cm soil layer, and exhibited a significantly higher activity of Superoxide dismutase (SOD) and Peroxidase (POD) enzymes in roots during the drought stress period. The <i<DRO1</i< gene sequencing results revealed that the tolerant and sensitive varieties exhibited a single-nucleotide polymorphism (SNP) in the 3-exon region, and the tolerant varieties (Chuanguyou208 and Deyou4727) exhibited a larger root growth angle with the horizontal axis, hence developing a deeper root system as compared with the other two group varieties. A significant correlation was found not only between the <i<DRO1</i< gene and root distribution but also between <i<DRO1</i< and the activity of SOD and POD enzymes. Conclusively, as a key feature, a deep root system enabled tolerant rice varieties (Chuanguyou208 and Deyou4727) to avoid drought stress by absorbing more water stored in deep soil layers. The root distribution, activity of POD and SOD enzymes in roots, and <i<DRO1</i< gene can be used to screen tolerant rice varieties that can survive better under drought stress during the seedling stage of rice growth.
abstract_unstemmed	Drought is one of the major factors limiting rice yield worldwide. A total of 46 hybrid rice varieties were chosen to investigate their root distribution and their response to drought. A field experiment was carried out in a dry shed building to evaluate the drought tolerance capacity of hybrid rice varieties on the basis of CTIRDE (complex tolerance index of rice under drought environment) values. Next, the experiment was conducted in a specially designed pot system and seed bags to analyze the root distribution and activity of antioxidant enzymes in different rice varieties. Moreover, the <i<DEEPER ROOTING 1 (DRO1)</i< gene was sequenced to elucidate its role in the root distribution of typical rice varieties. On the basis of CTIRDE values, the 46 hybrid rice varieties were classified as tolerant (CTIRDE ≥ 0.75), semi-tolerant (0.75 > CTIRDE > 0.65), or sensitive (CTIRDE ≤ 0.65) to drought stress. The tolerant varieties (Chuanguyou208 and Deyou4727) displayed a significantly larger length, had higher number and weight of roots in the 30⁻50 cm soil layer, and exhibited a significantly higher activity of Superoxide dismutase (SOD) and Peroxidase (POD) enzymes in roots during the drought stress period. The <i<DRO1</i< gene sequencing results revealed that the tolerant and sensitive varieties exhibited a single-nucleotide polymorphism (SNP) in the 3-exon region, and the tolerant varieties (Chuanguyou208 and Deyou4727) exhibited a larger root growth angle with the horizontal axis, hence developing a deeper root system as compared with the other two group varieties. A significant correlation was found not only between the <i<DRO1</i< gene and root distribution but also between <i<DRO1</i< and the activity of SOD and POD enzymes. Conclusively, as a key feature, a deep root system enabled tolerant rice varieties (Chuanguyou208 and Deyou4727) to avoid drought stress by absorbing more water stored in deep soil layers. The root distribution, activity of POD and SOD enzymes in roots, and <i<DRO1</i< gene can be used to screen tolerant rice varieties that can survive better under drought stress during the seedling stage of rice growth.
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title_short	Root Distribution and Its Impacts on the Drought Tolerance Capacity of Hybrid Rice in the Sichuan Basin Area of China
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