Selenium-silicon (Se-Si) induced modulations in physio-biochemical responses, grain yield, quality, aroma formation and lodging in fragrant rice

Liu, Xuwei; Huang, Zhuoli; Li, Yuzhan; Xie, Wenyan; Li, Wu; Tang, Xiangru; Ashraf, Umair; Kong, Leilei; Wu, Lianghuan; Wang, Shuli; Mo, Zhaowen

doi:10.1016/j.ecoenv.2020.110525

Cited by 67 publications

(29 citation statements)

References 61 publications

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“…2a-c). The relationship between the 2AP content and the 2AP-related physiological and biochemical parameters differed among experimental treatments and genotypes [56][57][58] . Moreover, the light-water treatments regulated the dynamics of the element content in leaves and grains (Table 8), and the relationship between the 2AP in grains and the element content was also assessed (Fig.…”

Section: Discussionmentioning

confidence: 95%

Light and water treatment during the early grain filling stage regulates yield and aroma formation in aromatic rice

Liang

et al. 2020

Sci Rep

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The effect of light and water on aromatic rice remain largely unclear. A pot experiment was conducted to investigate the influences of light-water treatments (CK: natural light and well-watered conditions, WS: natural light and water-stressed conditions, LL: low light and well-watered conditions, LL-WS: low light and water-stressed treatment) on yield and 2-acetyl-1-pyrroline (2AP) formation in aromatic rice. Compared with CK, the light-water treatments decreased grain yield (10.32–39.19%) due to reductions in the filled grain percentage and total dry weight, in the regulation of biomass distribution, and in the attributes of gas exchange and antioxidant response parameters. The 2AP content in grains increased in the LL treatment (5.08–16.32%) but decreased in the WS treatment compared with that in CK. The changes in 2AP were associated with changes in 2AP formation-related traits and element content. Low light and water stress led to yield declines in aromatic rice, but low light alleviated the decrease in 2AP content caused by water stress.

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Section: Discussionmentioning

confidence: 95%

Light and water treatment during the early grain filling stage regulates yield and aroma formation in aromatic rice

Liang

et al. 2020

Sci Rep

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“…The yield reduction in fragrant rice under Pb-contaminated soil was reported by a previous study (Ashraf and Tang 2017). Approaches like N and plant growth regulator application to improve the grain yield, quality, growth, and antioxidant response of fragrant rice have also been investigated (Li et al 2020;Mo et al 2018Mo et al , 2019aMo et al , 2019bXie et al 2020).…”

Section: Introductionmentioning

confidence: 85%

“…Fragrant rice is favored by people because of its unique fragrance and flavor and the demand for fragrant rice is increasing in domestic and international markets (Bryant and McClung 2011). Previous studies reported the selenium, silicon, and copper effect of the yield, growth, and antioxidant response in fragrant rice (Liu et al 2020;Mo et al 2017Mo et al , 2020, and the nitrate reductase (NR), is essential to stress such as ZnO nanoparticles in rice plant (Huang et al 2020). The yield reduction in fragrant rice under Pb-contaminated soil was reported by a previous study (Ashraf and Tang 2017).…”

Section: Introductionmentioning

confidence: 99%

Nitrogen Regulates the Grain Yield, Antioxidant Attributes, and Nitrogen Metabolism in Fragrant Rice Grown Under Lead-Contaminated Soil

Feng

YangFan

et al. 2020

J Soil Sci Plant Nutr

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The aim of this study is to investigate the effect of nitrogen (N) in the regulation of grain yield, growth, and physiology and biochemistry of fragrant rice under lead (Pb) stress. Three fragrant rice cultivars (Daohuaxiang, Basmati, and Yungengyou14) were grown under two N application levels (CK, 0 kg N ha −1 , and HN, 200 kg N ha −1) under Pb-contaminated soil. The grain yield, growth, antioxidant attributes, and N metabolism of fragrant rice cultivars were investigated. Results showed that compared with CK, HN treatment increased grain yield in Daohuaxiang, Basmati, and Yungengyou14 by 24.09%, 26.74%, and 23.29%, respectively. Improvement in the effective panicle, grain number per panicle, and 1000-grain weight and agronomic traits under HN treatment was detected. HN treatment decreased the seed setting rate in the three fragrant rice cultivars. In addition, the peroxidase (POD), catalase (CAT), and glutamate synthetase (GOGAT) activity in HN treatment were increased for the three fragrant rice cultivars at both heading stage and maturity as compared to CK. The correlation between the grain yield and the other investigated parameters has also been accessed. Yungengyou14 produced the highest partial factor productivity of N and agronomic use efficiency of N. Those results suggested that N could improve the grain yield resulted from affecting the growth and physiological response of fragrant rice grown under Pb-contaminated soil.

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“…Aromatic rice (Oryza sativa L.) is well known worldwide for its characteristic aroma and is also highly desired by consumers, attracts premium prices in many international markets [1][2][3][4]. The aromatic compounds of aromatic rice are very complicated, and more than 200 volatile substances were detected in aromatic rice in previous studies [5].…”

Section: Introductionmentioning

confidence: 99%

Lanthanum (La) improves growth, yield formation and 2-acetyl-1-pyrroline biosynthesis in aromatic rice (Oryza sativa L.)

Luo

Chen

et al. 2021

BMC Plant Biol

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Background Lanthanum (La) is a rare earth element that can influence plant growth and development. However, the effect of La on growth, yield formation and 2-acetyl-1-pyrroline (2-AP, a key compound responsible for the aroma of rice) biosynthesis in aromatic rice (Oryza sativa L. subsp. japonica Kato) has not been reported. Therefore, the present study investigated the effects of La on growth, photosynthesis, yield formation and 2-AP biosynthesis in aromatic rice through three experiments. Results Two pot experiments and a two-year field trial were conducted with different rates of La application (20–120 LaCl3 mg kg−1 and 12 kg ha−1 LaCl3), and treatments without La application were used as controls. The results showed that the application of LaCl3 at 80 and 100 mg kg−1 and at 12 kg ha−1 greatly increased the 2-AP content (by 6.45–43.03%) in aromatic rice seedlings and mature grains compared with the control. The La treatments also increased the chlorophyll content, net photosynthetic rate and total aboveground biomass of rice seedlings. Higher antioxidant enzyme (superoxide, peroxidase, and catalase) activity was detected in the La treatments than in the control. The La treatments also increased the grain yield, grain number per panicle and seed-setting rate of aromatic rice relative to the control. Moreover, the grain proline and γ-aminobutyric acid contents and the activity of betaine aldehyde dehydrogenase significantly decreased under the La treatment. The application of La to soil enhanced the activity of proline dehydrogenase by 20.62–56.95%. Conclusions La improved the growth, yield formation and 2-AP content of aromatic rice and enhanced 2-AP biosynthesis by increasing the conversion of proline to 2-AP and decreasing the conversion of GABald to GABA.

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Selenium-silicon (Se-Si) induced modulations in physio-biochemical responses, grain yield, quality, aroma formation and lodging in fragrant rice

Cited by 67 publications

References 61 publications

Light and water treatment during the early grain filling stage regulates yield and aroma formation in aromatic rice

Light and water treatment during the early grain filling stage regulates yield and aroma formation in aromatic rice

Nitrogen Regulates the Grain Yield, Antioxidant Attributes, and Nitrogen Metabolism in Fragrant Rice Grown Under Lead-Contaminated Soil

Lanthanum (La) improves growth, yield formation and 2-acetyl-1-pyrroline biosynthesis in aromatic rice (Oryza sativa L.)

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