Structural, pasting and sensory properties of rice from main and ratoon crops

Wei, Zhang; Zhan, Zhan; Wang, Haoxuan; Shu, Zaixi; Wang, Pingping; Zeng, Xuefeng

doi:10.1080/10942912.2021.1950183

Cited by 6 publications

(2 citation statements)

References 47 publications

(59 reference statements)

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“…Yuan et al [8] found that both the milling and appearance qualities of rice in the ratoon season markedly exceed those of the main season. In a study by Zhang et al [9], the results revealed that the amylose content, as well as the hardness, cohesiveness, adhesiveness, and resilience after cooking, were higher for the rice harvested in the ratoon season, while the protein content was lower when comparing the rice quality characteristics between the main season and ratoon season rice. Additionally, sensory evaluations indicated an overall higher acceptance of rice from the ratoon season compared that from the main season.…”

Section: Introductionmentioning

confidence: 98%

Appropriate Stubble Height Can Effectively Improve the Rice Quality of Ratoon Rice

Yang,

Mo,

Zhang

et al. 2024

Foods

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Ratoon rice, the cultivation of a second crop from the stubble after the main harvest, is recognized as an eco-friendly and resource-saving method for rice production. Here, a field experiment was carried out in the Yangtze River region to investigate the impact of varying stubble heights on the grain quality of ratoon rice, as well as to compare the grain quality between the main and ratoon season. This study, which focused on 12 commonly cultivated rice varieties, conducted a comprehensive analysis assessing milling characteristics, appearance, and cooking quality. The results show that ratoon rice crops exhibited a higher milled rice rate and head rice rate compared to the main rice crops. Conversely, chalky rice percentage, chalkiness degree, and amylose content were lower in ratoon rice crops. Principal component analysis grouped eight relevant quality indicators of rice quality which were concentrated into three categories, with amylose content identified as the key indicator of rice quality for distinguishing between different stubble heights. Random forest results reveal a robust and significant correlation between appearance quality index and amylose content. Subordinate function analysis indicated that a stubble height of 30 cm resulted in optimal rice quality, with Lingliangyou 211 exhibiting the highest quality and Xiangzao Xian 32 the lowest. Overall, our study suggests that ratoon rice crops generally outperform main rice crops in terms of quality, with the optimal measurement at a stubble height of 30 cm. This study holds substantial importance for selecting appropriate stubble heights for ratoon rice crops and enhancing overall rice quality.

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Section: Introductionmentioning

confidence: 98%

Appropriate Stubble Height Can Effectively Improve the Rice Quality of Ratoon Rice

Yang,

Mo,

Zhang

et al. 2024

Foods

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“…Ratoon rice production exploits rice regeneration characteristics. More specifically, certain cultivation and management measures are adopted to induce the germination of the dormant buds on the main rice crop stubble, which is followed by heading, flowering, grain filling and maturity ( Zhang et al., 2021 ). However, in the past, the development momentum has been sluggish for a long time owing to the low yield of ratoon rice.…”

Section: Introductionmentioning

confidence: 99%

Difference in Cd accumulation among varieties with different growth duration corresponding to typical agro-climate condition in rice ratooning system

Yuan,

Jiang,

Chen

et al. 2024

Front. Plant Sci.

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IntroductionThe ratoon rice planting area is gradually expanding, but there has been relatively little research on ratoon rice grains contaminated with Cd.MethodsIn this study, five ratoon rice varieties were selected and divided into three groups according to early-maturity (growth duration: 100–110 days), mid-maturity (growth duration: 110–120 days) and late-maturity (growth duration: 120–130 days) varieties. Field experiments were done to study the differences in Cd accumulation among ratoon rice varieties with different growth duration.ResultsThe results showed that the Cd accumulation and concentration of grains spikelet at each growth stage in the main crop were in the order of late-maturity > mid-maturity > early-maturity varieties. However, the trends in Cd concentration and accumulation in grains spikelet during the ratoon crop were the opposite. Analysis found that as the growth duration of the variety extended, the accumulated temperature and daily average temperature in the main crop increased, which significantly increased the translocation factors of Cd from root, stem, and leaf to grains spikelet, and increased the daily average Cd accumulation rate in grains spikelet. The daily average temperature in the ratoon crop increased as the growth duration shortened. The early-maturity variety had higher Cd accumulation in stubble, which promoted the translocation of Cd from the root, stem, and leaf of the plant to the grains spikelet.DiscussionTherefore, appropriately shortening the growth duration of the main crop and extending the growth duration of the ratoon crop are important ways to reduce Cd accumulation in ratoon rice in areas with mild Cd pollution.

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Accurate prediction of the eating and cooking quality of rice using artificial neural networks and the texture properties of cooked rice

Deng

Yuan

et al. 2023

Food Chemistry

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Structural, pasting and sensory properties of rice from main and ratoon crops

Cited by 6 publications

References 47 publications

Appropriate Stubble Height Can Effectively Improve the Rice Quality of Ratoon Rice

Appropriate Stubble Height Can Effectively Improve the Rice Quality of Ratoon Rice

Difference in Cd accumulation among varieties with different growth duration corresponding to typical agro-climate condition in rice ratooning system

Accurate prediction of the eating and cooking quality of rice using artificial neural networks and the texture properties of cooked rice

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