Temperature response of plants and heat tolerance in Rice: A review

Xie, Yujun; Shen, Qiuping; Li, Feifei; Ni, Shen; Yu, Jinsheng

doi:10.1016/bs.agron.2023.01.003

Cited by 7 publications

(4 citation statements)

References 304 publications

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“…Hence, our results are consistent with previous studies in that rice high grain filling temperatures could reduce amylose content and amylopectin short-chain content but enhance amylopectin long-chain content, resulting in deteriorating starch thermal properties [23,24]. For different grain positions, there is a significant difference in starch granule size, structure, and function between superior grains and inferior grains [6][7][8][9]. In this study, UP had a significantly greater proportion of large-sized granules and average diameter of starch granules by volume and surface area than LP under different dynamic temperatures.…”

Section: Discussionsupporting

confidence: 91%

“…In general, rice superior grains grow in the upper location of a panicle and have earlier flowering, a greater grain filling rate, and higher grain plumpness, whereas inferior grains in the lower location of a panicle have a relatively late flowering date, lighter grain, and poor grain filling traits [3][4][5]. Numerous previous studies have suggested that rice quality and grain filling have a considerable discrepancy in different grain positions [6][7][8][9]. Ma et al (2017) reported that significant differences were found in protein content, amylose content, breakdown, setback, and pasting temperature in different rice grain positions, which were closely related to eating quality [6].…”

Section: Introductionmentioning

confidence: 99%

“…The temperature during the grain filling stage is the critical environmental factor affecting the formation of rice grain [9]. Previous studies have demonstrated that rice grain filling temperature impacts eating quality and starch structure and function [10][11][12].…”

Section: Introductionmentioning

confidence: 99%

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Elevated Ripening Temperature Mitigates the Eating Quality Deterioration of Rice in the Lower Grain Position Due to the Improvement of Starch Fine Structure and Properties

Hu,

Xu,

Cai

et al. 2023

Agronomy

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Elevated ripening temperature (ET) impacts rice grain quality. In this study, two rice varieties were investigated to evaluate the characterization of starch fine structure and grain eating quality under ET conditions. Rice exposure to ET increased the proportion of large-sized granules and starch granule average size, regardless of grain position. Compared to normal temperature (NT), the amylose content (AM) in the upper grain position (UP) exhibited a significant increase under ET, whereas the contrary results showed a decrease in the lower grain position (LP), and the proportion of shorter amylopectin chains increased under ET in UP or LP, whereas the proportion of long amylopectin chains decreased, resulting in a higher starch gelatinization temperature and enthalpy under ET. For grain position, compared to LP, UP had higher AM and a higher proportion of long amylopectin chains, leading to higher gelatinization enthalpy under ET. For eating quality, we found that ET deteriorated the eating quality of rice compared to NT, and UP had higher eating quality than LP under NT; however, there was a comparable eating quality between UP and LP under ET. Hence, elevated grain filling temperature mitigated the eating quality deterioration of rice grain in LP due to the lower AM and gelatinization enthalpy and the higher proportion of shorter amylopectin chains.

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Section: Discussionsupporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Elevated Ripening Temperature Mitigates the Eating Quality Deterioration of Rice in the Lower Grain Position Due to the Improvement of Starch Fine Structure and Properties

Hu,

Xu,

Cai

et al. 2023

Agronomy

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“…Delayed-type or obstructive-type cold damage seriously affects the growth, development, and grain lling of rice (Tao et al 2013). However, current research mainly focuses on the characteristics and mechanisms of the expected impact of rising atmospheric temperatures on C and N distribution in rice eld systems (Tang et al 2021(Tang et al 2022Haas et al 2022;Xie et al 2023), while extreme low-temperatures also affect rice growth and lead to differences in the distribution of C and N between rice crops, soil, and atmosphere (Deng et al 2011).…”

Section: Introductionmentioning

confidence: 99%

Effects of low-temperature stress during heading stage on carbon and nitrogen allocation in paddy eco-system of northeastern China

Sun,

Ruan,

Cao

et al. 2024

Preprint

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Background and aims In high-latitude area, climate change has resulted in frequent chilling stress which affects rice sustainable production as well as changes carbon (C) and nitrogen (N) allocation in paddy ecosystem. However, the response characteristics of C and N allocation in paddy ecosystem to low-temperature stress during key growth stage are not fully understood. Methods A rice pot experiment of two varieties combined with 13C and 15N isotope labelling method was conducted to evaluate how low-temperature stress at heading stage affects rice yield, above- and below-ground C and N partitioning, and soil C and N changes. Results Low-temperature stress significantly reduced rice grain yield of JN809 (sensitive to low-temperature stress) and J88 (resistant to low-temperature stress) varieties 27.6% and 21.4%, respectively, Low-temperature stress was prone to increase C and N accumulation in stems and leaves of rice and soil. The low temperature tolerance variety (J88) reduced the effects of low temperature stress on rice yield and the allocation of C and N between soil and rice Conclusion Low-temperature during rice heading stage significantly hindered transportation of C assimilate and absorbed N from soil. Low temperature tolerant variety reduced the effect of low temperature chilling stress on rice yield, and C and N allocation. Present study provides a basis for rice breeding and cultivation techniques that can enhance rice resilience and adaptability to climate change, as well as optimize C and N sequestration practices in rice fields to ensure high yields and resource use efficiency.

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Investigating smallholder farmers’ practical experiences, perceptions and response to climate change: An empirical analysis in Cameroon

Mbiafeu,

Molua,

Sotamenou

et al. 2024

Food and Humanity

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Temperature response of plants and heat tolerance in Rice: A review

Cited by 7 publications

References 304 publications

Elevated Ripening Temperature Mitigates the Eating Quality Deterioration of Rice in the Lower Grain Position Due to the Improvement of Starch Fine Structure and Properties

Elevated Ripening Temperature Mitigates the Eating Quality Deterioration of Rice in the Lower Grain Position Due to the Improvement of Starch Fine Structure and Properties

Effects of low-temperature stress during heading stage on carbon and nitrogen allocation in paddy eco-system of northeastern China

Investigating smallholder farmers’ practical experiences, perceptions and response to climate change: An empirical analysis in Cameroon

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