The impacts of post-anthesis warming on grain yield and quality of double-cropping high-quality indica rice in Jiangxi Province, China

Yang, Taotao; Xiong, Ruoyu; Tan, Xueming; Huang, Shan; Pan, Xiaohua; Guo, Lin; Zeng, Yongjun; Zhang, Jun; Zeng, Yanhua

doi:10.1016/j.eja.2022.126551

Cited by 17 publications

(15 citation statements)

References 42 publications

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“…Besides amylose content, other chemical compositions such as protein also negatively affect rice eating quality ( Chen et al., 2021 ). Previous studies have reported that protein content in milled rice was enhanced under warming conditions ( Dou et al., 2017 ; Dou et al., 2018 ; Yang et al., 2022b ). Although the amylose content and RVA parameters indicated that warming improved the eating quality of late-season rice, the increase in protein content may reduce the eating quality.…”

Section: Discussionmentioning

confidence: 99%

“…Warming affects various rice physiological processes regarding grain quality such as assimilate accumulation and transport, grain filling, and starch synthesis ( Wang et al., 2015 ; Chen et al., 2017 ; Tang et al., 2019 ). Previous studies have indicated that warming by using FATI facilities increased chalky grain rate and chalkiness but decreased milled and head rice rate, suggesting that warming worsened rice milling and appearance qualities ( Dou et al., 2017 ; Tang et al., 2019 ; Yang et al., 2022b ). The deterioration of grain milling quality under warming conditions leads to a decrease in head rice yield, which further reduces the edible rice yield and the economic value of rice from field to market ( Lyman et al., 2013 ).…”

Section: Introductionmentioning

confidence: 97%

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Grain yield and quality performances of different late-season rice cultivars in response to experimental warming in subtropical China

Yang,

Tan,

Huang

et al. 2023

Front. Plant Sci.

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IntroductionClimate warming has pronounced effects on rice production in China. However, late-seasons rice cultivars are diverse in double rice cropping systems, and the actual responses in grain yield and quality of different late-season rice cultivars to climate warming are still unclear.MethodsA two-year field warming experiment was conducted by using free-air temperature increase facilities with three widely-planted late-season rice cultivars, including Taiyou398 (TY, short growth duration indica hybrid rice), Jiuxiangnian (JXN, long growth duration indica inbred rice), and Yongyou1538 (YY, long growth duration indica-japonica hybrid rice) in a double rice cropping system in subtropical China.ResultsWarming (1.9–2.0°C) had no significant effects on the grain yields of TY and JXN, but significantly decreased that of YY by 4.8% relative to ambient treatment due to a reduction of spikelet number. Compared to ambient treatment, the head rice yields of TY and YY did not change while that of JXN increased by 6.3% under warming conditions. Warming significantly increased the head rice rates of JXN and YY by 6.6% and 7.8%, and the chalky grain rates of TY, JXN, and YY by 79.1%, 21.6%, and 7.6%, respectively. Under warming conditions, the amylose content of JXN and YY decreased significantly by 7.5% and 8.8%, and the setback of three cultivars decreased significantly by an average of 41.5%.ConclusionWarming could improve the milling and eating qualities of long growth duration late-season rice (JXN and YY) and increase or maintain their head rice yield, even though decreased the grain yield of indica-japonica hybrid rice (YY). These results will provide a better understanding for the selection of suitable late-season rice cultivars under future climate warming conditions.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 97%

Grain yield and quality performances of different late-season rice cultivars in response to experimental warming in subtropical China

Yang,

Tan,

Huang

et al. 2023

Front. Plant Sci.

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“…In terms of the countries of origin or regions of GJ and XI, most XI belongs to tropical XI, whereas GJ includes both temperate GJ and tropical GJ in large amounts (Castanera et al., 2021; Xie et al., 2014). This study was conducted in Sanya, Hainan Province, China, which is located in the tropical region and is more suitable for the cultivation of tropical XI and tropical GJ; therefore, temperate GJ was found susceptible to high temperature stress, which led to an increase in protein content (TaoTao et al., 2020). Whether in GJ or XI, the proportion of HGP in modern varieties was relatively small, indicating a decrease in the grain protein content during rice breeding.…”

Section: Discussionmentioning

confidence: 99%

Relationship between rice grain protein content and key phenotypes in rice

et al. 2023

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In our previous study, it was found that protein content was one of the most important factors affecting rice-eating quality. Because rice cultivars have different phenotypes, they may also have different protein concentrations and eating quality. Based on published phenotypic and measured protein content of 706 rice (Oryza sativa L.) cultivars [453 tropical indica, (O. sativa indica) 61 tropical japonica (O. sativa japonica), 22 temperate indica, and 169 temperate japonica], we studied the potential relationship between grain protein content and the rice phenotype (culm length, panicle length, thousand grain weight, and grain length) through cluster analysis and canonical correlation analysis. The results demonstrated significant differences between japonica and indica rice, as well as between landrace rice and modern rice varieties. The protein content of japonica (average = 8.76%) was higher than that of indica (average = 8.11%). The protein content of all japonica was negatively correlated with culm length (p = 0.007) and panicle length (p = 0.006). The protein content of all indica was positively correlated with grain length (p = 0.0005) and grain length/width ratio (p = 0.043). Canonical correlation analysis showed that panicle length and grain width had the highest canonical loadings and canonical cross-loadings on the external phenotype and grain characteristics in rice with different protein contents. Panicle length and grain width could better reflect rice phenotype traits under the identical grain protein content type.

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“…Rice grain quality mainly includes the milling, appearance, cooking and eating qualities 42 . Milling quality is the most important economic character of rice, 15 higher milled rice yield will be more market‐oriented rice.…”

Section: Discussionmentioning

confidence: 99%

“…Rice grain quality mainly includes the milling, appearance, cooking and eating qualities. 42 Milling quality is the most important economic character of rice, 15 higher milled rice yield will be more market-oriented rice. In the present study, OPTM improved the milled rice rate and the head rice rate compared with FFP (Fig.…”

Section: Discussionmentioning

confidence: 99%

Determining optimal nitrogen management to improve rice yield, quality and nitrogen use efficiency based on multi‐index decision analysis method

et al. 2023

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BACKGROUND: Reasonable nitrogen (N) supply is critical for increasing rice yield while improving grain quality and nitrogen use efficiency (NUE). However, the trade-off relationship between yield, quality and NUE of rice under N management has not been well understood enough. In the present study, a 2-year field experiment was conducted to identify optimal N fertilizer management practices that resulted in high-yield, high-quality and high-NUE by using the technique for order preference by similarity to an ideal solution (TOPSIS) with entropy weight (EW) method.RESULTS: All the parameters of rice yield, quality and efficiency were remarkably affected by fertilization treatments. Compared with farmer's fertilization practice (FFP), optimizing N fertilizer treatment (OPT) and substituting 20% of N fertilizer with pig manure based on OPT treatment (OPTM) increased grain yield (2.87-6.62%) by maintaining higher 1000-grain weight and filled grains rate. The agronomic NUE (AE) and N partial factor productivity (PFP) under OPT and OPTM treatment were also remarkably increased by 32.81-43.01% and 28.59-33.28% with respect to the value under FFP treatment, respectively. Meanwhile, OPT and OPTM significantly improved the milling quality of rice by increasing brown rice rate (0.71-1.17%) and head rice rate (1.34-2.31%). OPT and OPTM significantly improved appearance quality by decreasing chalkiness and eating quality by reducing amylose content in 2020. The TOPSIS with EW showed that rice comprehensive evaluation could be maintained at a high level under OPT and OPTM.CONCLUSION: OPT and OPTM were nutrient management modes of high-yield, high-quality and high-efficiency, and promising practice to improve rice comprehensive productivity. This strategy is also highly-consistent with the United Nations Sustainable Development Goals.

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The impacts of post-anthesis warming on grain yield and quality of double-cropping high-quality indica rice in Jiangxi Province, China

Cited by 17 publications

References 42 publications

Grain yield and quality performances of different late-season rice cultivars in response to experimental warming in subtropical China

Grain yield and quality performances of different late-season rice cultivars in response to experimental warming in subtropical China

Relationship between rice grain protein content and key phenotypes in rice

Determining optimal nitrogen management to improve rice yield, quality and nitrogen use efficiency based on multi‐index decision analysis method

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