Abiotic and Biotic Factors Controlling Grain Aroma along Value Chain of Fragrant Rice: A Review

Kongpun, Ayut; Pusadee, Tonapha; Jaksomsak, Pennapa; Chinachanta, Kawiporn; Tuiwong, Patcharin; Chan-In, Phukjira; Konsaeng, Sawika; Pathom-Aree, Wasu; Utasee, Suchila; Wangkaew, Benjamaporn; Prom-U-Thai, Chanakan

doi:10.1016/j.rsci.2023.11.004

Rice Science

2024

DOI: 10.1016/j.rsci.2023.11.004

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Abiotic and Biotic Factors Controlling Grain Aroma along Value Chain of Fragrant Rice: A Review

Ayut Kongpun,

Tonapha Pusadee,

Pennapa Jaksomsak

et al.

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2024

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Cited by 3 publications

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Discovery of key volatile compound and regulatory gene governing the ‘taro-like’ aroma in wax gourd (Benincasa hispida)

Cheng,

Wang,

et al. 2024

Food Bioscience

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Discovery of key volatile compound and regulatory gene governing the ‘taro-like’ aroma in wax gourd (Benincasa hispida)

Cheng,

Wang,

et al. 2024

Food Bioscience

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Rice Yield and Grain Quality under Fluctuating Soil Moisture Stress

Deshabandu,

Noda,

Marcelo

et al. 2024

Agronomy

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In rainfed lowlands and water-saving cultivation systems, rice plants are often exposed to soil moisture fluctuation (SMF). Improving yield as well as grain quality is the main target for breeding under water-stressed environments. This study investigated the effects of different water treatment on yield, growth parameters, and grain quality under field conditions in Japan for 2 years. Two rice genotypes, Nipponbare (japonica) and G3-3 (derived from Nipponbare and KDML105, indica), were grown under continuous waterlogging (CWL) and SMF conditions. As the grain quality characteristics, grain appearance, dimension, and taste parameters were evaluated as well as yield and yield components. SMF reduced the yield, and G3-3 showed a higher yield than Nipponbare under SMF, which was attributed to the higher number of spikelets per panicle. G3-3 showed a better taste score (mark) with lower protein and amylose contents compared to Nipponbare. However, G3-3 had a higher percentage of broken grains, indicating a trade-off in grain quality traits. Non-structural carbohydrate dynamics may be involved as one of the grain quality characteristics. G3-3 demonstrated a superior yield under SMF conditions and have potential to show superior grain quality, indicating that the introgressed segments of G3-3 may be responsible for the grain quality traits associated with root plasticity.

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Rhizoactinobacteria Enhance Growth and Antioxidant Activity in Thai Jasmine Rice (Oryza sativa) KDML105 Seedlings under Salt Stress

Chinachanta,

Shutsrirung,

Santasup

et al. 2023

Plants

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Salinity is one of the most devastating abiotic stresses hampering the growth and production of rice. Nine indole-3-acetic acid (IAA)-producing salt-tolerant plant-growth-promoting rhizobacteria (ST-PGPR) were inoculated into Thai jasmine rice (Oryza sativa L.) variety Khao Dawk Mali 105 (KDML105) seedlings grown under different concentrations of NaCl (0, 50, 100, and 150 mM). The ST-PGPR strains significantly promoted the growth parameters, chlorophyll content, nutrient uptake (N, P, K, Ca, and Mg), antioxidant activity, and proline accumulation in the seedlings under both normal and saline conditions compared to the respective controls. The K+/Na+ ratio of the inoculated seedlings was much higher than that of the controls, indicating greater salt tolerance. The most salt-tolerant and IAA-producing strain, Sinomonas sp. ORF15-23, yielded the highest values for all the parameters, particularly at 50 mM NaCl. The percentage increases in these parameters relative to the controls ranged from >90% to 306%. Therefore, Sinomonas sp. ORF15-23 was considered a promising ST-PGPR to be developed as a bioinoculant for enhancing the growth, salt tolerance, and aroma of KDML105 rice in salt-affected areas. Environmentally friendly technologies such as ST-PGPR bioinoculants could also support the sustainability of KDML105 geographical indication (GI) products. However, the efficiency of Sinomonas sp. ORF15-23 should be evaluated under field conditions for its effect on rice nutrient uptake and growth, including the 2AP level.

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Abiotic and Biotic Factors Controlling Grain Aroma along Value Chain of Fragrant Rice: A Review

Cited by 3 publications

References 105 publications

Discovery of key volatile compound and regulatory gene governing the ‘taro-like’ aroma in wax gourd (Benincasa hispida)

Discovery of key volatile compound and regulatory gene governing the ‘taro-like’ aroma in wax gourd (Benincasa hispida)

Rice Yield and Grain Quality under Fluctuating Soil Moisture Stress

Rhizoactinobacteria Enhance Growth and Antioxidant Activity in Thai Jasmine Rice (Oryza sativa) KDML105 Seedlings under Salt Stress

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