Physiological and Biochemical Changes in Sugar Beet Seedlings to Confer Stress Adaptability under Drought Condition
The present study was conducted to examine the adaptability of 11 sugar beet cultivars grown under drought stress in the controlled glasshouse. The treatment was initiated on 30-day-old sugar beet plants where drought stress was made withholding water supply for consecutive 10 days while control was...
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MDPI AG
2020-11-01
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| Series: | Plants |
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| Online Access: | https://www.mdpi.com/2223-7747/9/11/1511 |
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| author | Md. Jahirul Islam Ji Woong Kim Mst. Kohinoor Begum Md. Abu Taher Sohel Young-Seok Lim |
| author_facet | Md. Jahirul Islam Ji Woong Kim Mst. Kohinoor Begum Md. Abu Taher Sohel Young-Seok Lim |
| author_sort | Md. Jahirul Islam |
| collection | DOAJ |
| description | The present study was conducted to examine the adaptability of 11 sugar beet cultivars grown under drought stress in the controlled glasshouse. The treatment was initiated on 30-day-old sugar beet plants where drought stress was made withholding water supply for consecutive 10 days while control was done with providing water as per requirement. It was observed that drought stress expressively reduced plant growth, photosynthetic pigments, and photosynthetic quantum yield in all the cultivars but comparative better results were observed in S1 (MAXIMELLA), S2 (HELENIKA), S6 (RECODDINA), S8 (SV2347), and S11 (BSRI Sugarbeet 2) cultivars. Besides, osmolytes like proline, glycine betaine, total soluble carbohydrate, total soluble sugar, total polyphenol, total flavonoid, and DPPH free radical scavenging activity were remarkably increased under drought condition in MAXIMELLA, HELENIKA, TERRANOVA, GREGOIA, SV2348, and BSRI Sugar beet 2 cultivars. In contrast, activities of enzymes like superoxide dismutase (SOD), catalase (CAT), and peroxidase (POD) were significantly decreased in all, while the cultivars SV2347, BSRI Sugar beet 1 and BSRI Sugar beet 2 were found with increased ascorbate peroxidase (APX) activity under drought condition. In parallel, polyphenol oxidase (PPO) was increased in all cultivars except HELENIKA. Overall, the cultivars HELENIKA, RECODDINA, GREGOIA, SV2347, SV2348, BSRI Sugar beet 1, and BSRI Sugar beet 2 were found best fitted to the given drought condition. These findings would help further for the improvement of stress adaptive sugar beet cultivars development in the breeding program for drought-prone regions. |
| first_indexed | 2024-03-10T15:01:17Z |
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| last_indexed | 2024-03-10T15:01:17Z |
| publishDate | 2020-11-01 |
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| spelling | doaj.art-a2a4ad887d0a4db883bb27d5da3739142023-11-20T20:09:52ZengMDPI AGPlants2223-77472020-11-01911151110.3390/plants9111511Physiological and Biochemical Changes in Sugar Beet Seedlings to Confer Stress Adaptability under Drought ConditionMd. Jahirul Islam0Ji Woong Kim1Mst. Kohinoor Begum2Md. Abu Taher Sohel3Young-Seok Lim4Department of Bio-Health Convergence, Kangwon National University, Chuncheon 24341, KoreaDepartment of Bio-Health Convergence, Kangwon National University, Chuncheon 24341, KoreaPhysiology and Sugar Chemistry Division, Bangladesh Sugarcrop Research Institute, Ishurdi 6620, Pabna, BangladeshAgronomy and Farming System Division, Bangladesh Sugarcrop Research Institute, Ishurdi 6620, Pabna, BangladeshDepartment of Bio-Health Convergence, Kangwon National University, Chuncheon 24341, KoreaThe present study was conducted to examine the adaptability of 11 sugar beet cultivars grown under drought stress in the controlled glasshouse. The treatment was initiated on 30-day-old sugar beet plants where drought stress was made withholding water supply for consecutive 10 days while control was done with providing water as per requirement. It was observed that drought stress expressively reduced plant growth, photosynthetic pigments, and photosynthetic quantum yield in all the cultivars but comparative better results were observed in S1 (MAXIMELLA), S2 (HELENIKA), S6 (RECODDINA), S8 (SV2347), and S11 (BSRI Sugarbeet 2) cultivars. Besides, osmolytes like proline, glycine betaine, total soluble carbohydrate, total soluble sugar, total polyphenol, total flavonoid, and DPPH free radical scavenging activity were remarkably increased under drought condition in MAXIMELLA, HELENIKA, TERRANOVA, GREGOIA, SV2348, and BSRI Sugar beet 2 cultivars. In contrast, activities of enzymes like superoxide dismutase (SOD), catalase (CAT), and peroxidase (POD) were significantly decreased in all, while the cultivars SV2347, BSRI Sugar beet 1 and BSRI Sugar beet 2 were found with increased ascorbate peroxidase (APX) activity under drought condition. In parallel, polyphenol oxidase (PPO) was increased in all cultivars except HELENIKA. Overall, the cultivars HELENIKA, RECODDINA, GREGOIA, SV2347, SV2348, BSRI Sugar beet 1, and BSRI Sugar beet 2 were found best fitted to the given drought condition. These findings would help further for the improvement of stress adaptive sugar beet cultivars development in the breeding program for drought-prone regions.https://www.mdpi.com/2223-7747/9/11/1511sugar beet cultivarsdroughtosmolytesantioxidant enzymessecondary metabolitesand antioxidant capacity |
| spellingShingle | Md. Jahirul Islam Ji Woong Kim Mst. Kohinoor Begum Md. Abu Taher Sohel Young-Seok Lim Physiological and Biochemical Changes in Sugar Beet Seedlings to Confer Stress Adaptability under Drought Condition Plants sugar beet cultivars drought osmolytes antioxidant enzymes secondary metabolites and antioxidant capacity |
| title | Physiological and Biochemical Changes in Sugar Beet Seedlings to Confer Stress Adaptability under Drought Condition |
| title_full | Physiological and Biochemical Changes in Sugar Beet Seedlings to Confer Stress Adaptability under Drought Condition |
| title_fullStr | Physiological and Biochemical Changes in Sugar Beet Seedlings to Confer Stress Adaptability under Drought Condition |
| title_full_unstemmed | Physiological and Biochemical Changes in Sugar Beet Seedlings to Confer Stress Adaptability under Drought Condition |
| title_short | Physiological and Biochemical Changes in Sugar Beet Seedlings to Confer Stress Adaptability under Drought Condition |
| title_sort | physiological and biochemical changes in sugar beet seedlings to confer stress adaptability under drought condition |
| topic | sugar beet cultivars drought osmolytes antioxidant enzymes secondary metabolites and antioxidant capacity |
| url | https://www.mdpi.com/2223-7747/9/11/1511 |
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