Effect of Different Nitrogen Doses on the Storage Proteins and Palatability of Rice Grains of Primary and Secondary Rachis Branches

Song, Young-Ju; Choi, In‐Young; Sharma, Praveen Kumar; Kang, Chan-Ho

doi:10.1626/pps.15.253

Cited by 24 publications

(14 citation statements)

References 10 publications

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“…Similarly, Lee et al [21] reported that a dairy slurry application did not affect the whole plant barley N yield, but there was an N response in the barley kernel with the dairy manure application. The high protein level in rice grain associated with the overuse of N fertilizer has a negative impact on the cooking and eating quality of the grain due to low gel consistency, gelatinization or amylose content [22, 23]. Given this fact, the use of AS fertilizer as a source of N may be avoided in terms of rice grain quality.…”

Section: Discussionmentioning

confidence: 99%

The dynamics of nitrogen derived from a chemical nitrogen fertilizer with treated swine slurry in paddy soil-plant systems

Lee

Choi

2017

PLoS ONE

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A well-managed chemical nitrogen (N) fertilization practice combined with treated swine slurry (TSS) is necessary to improve sustainability and N use efficiency in rice farming. However, little is known about the fate of N derived from chemical N fertilizer with and without TSS in paddy soil-plant systems. The objectives of this study were (1) to estimate the contribution of applied N fertilizer to N turnover in rice paddy soil with different N fertilization practices that were manipulated by the quantity of treated swine slurry and chemical N fertilizer (i.e., HTSS+LAS, a high amount of TSS with a low amount of ammonium sulfate; LTSS+HAS, a low amount of TSS with a high amount of ammonium sulfate; AS, ammonium sulfate with phosphorus and potassium; C, the control) and (2) to compare the rice response to applied N derived from each N fertilization practice. Rice biomass yield, 15N recovery in both rice grain and stems, soil total N (TN), soil inorganic N, and soil 15N recovery were analyzed. Similar amounts of 15N uptake by rice in the TSS+AS plots were obtained, indicating that the effects of the different quantities of TSS on chemical fertilizer N recovery in rice during the experimental period were not significant. The soil 15N recoveries of HTSS+LAS, LTSS+HAS, and AS in each soil layer were not significantly different. For the HTSS+LAS, LTSS+HAS and AS applications, total 15N recoveries were 42%, 43% and 54%, respectively. Because the effects of reducing the use of chemical N fertilizer were attributed to enhancing soil quality and cost-effectiveness, HTSS+LAS could be an appropriate N fertilization practice for improving the long-term sustainability of paddy soil-plant systems. However, N losses, especially through the coupled nitrification-denitrification process, can diminish the benefits that HTSS+LAS offers.

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Section: Discussionmentioning

confidence: 99%

The dynamics of nitrogen derived from a chemical nitrogen fertilizer with treated swine slurry in paddy soil-plant systems

Lee

Choi

2017

PLoS ONE

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“…A negative correlation exists between grain protein content, a palatability trait, and the stickiness of cooked rice, with increased protein content adversely influencing perceived taste by reducing the stickiness of cooked rice (Song et al, 2012). Thus, analyzing changes in grain protein content is important when attempting to achieve high rice yields by increasing fertilizer application.…”

Section: Factors For High Yieldmentioning

confidence: 99%

Characteristics of growth and quality, and factors contributing to high yield in newly developed rice variety ‘Akidawara’

Yoshinaga

Heinai

Ohsumi

et al. 2018

Plant Production Science

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The newly developed rice variety 'Akidawara' (AKI) combines the traits of high yield and highly palatability, and its cultivation is expected to spread. We examined characteristics of growth and quality, and factors contributing to high yield in AKI by comparing with 'Nipponbare' (NIP). Grain yield for AKI were 703 g m −2 (9% more than NIP) and 781 g m −2 (14% more than NIP) under the standard and heavy fertilizer regimes. It was also suggested that increase in the sink capacity was the key contributors to the high yield in AKI resulting from a conspicuous increase in the number of spikelets, which is likely due to introgression of the high-yielding variety allele. Furthermore, AKI achieved the similar degree of sink filling in spite of its larger sink capacity. In this point, panicle dry weight increase during ripening (ΔP) was significantly higher for AKI than for NIP despite the fact that no differences in shoot dry weight increase were observed between varieties. The greater ΔP in AKI might be derived from its larger sink capacity and the difference between varieties involves the translocation of nonstructural carbohydrate. In the grain quality, the reduction in perfect grain ratio was negligible and regarded as a small trade-off for AKI's 14% increase in yield, and grain protein content increased to a lesser degree in AKI at the same yield level. These results suggest that over 700 g m −2 high yield can be achieved with relative high grain quality and lower protein content in AKI.

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“…Rice grain quality includes several elements, mostly related to cooking and eating quality. Actually, rice grain quality is the principal component of evaluation in Asian countries, most of which consume rice as a dietary staple food (Song, Choi, Sharma & Kang, 2012). Grain quality also includes complex characteristics such as accumulation structures of starch, protein, and lipids (Kakar et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Morphological analysis on comparison of organic and chemical fertilizers on grain quality of rice at different planting densities

Kakar

Nitta

Asagi

et al. 2019

Plant Production Science

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Effects of organic (Italian ryegrass and Bokashi) and chemical fertilizer on growth, yield, and grain quality of rice (Oryza sativa L.) were compared under different planting densities in 2013/2014 and 2014/2015. Italian ryegrass was incorporated into the soil as green manure. Bokashi (a mixture of organic materials) was applied as basal dressing. To measure yield and its components, 30 hills were chosen for each treatment. Rice grains were harvested from each treatment to assess the grain quality and to evaluate accumulation structures using a scanning electron microscope. Bokashi treatment increased panicle number per hill, ripened grain percentage, panicle number per m 2 , and grain yield compared to no fertilizer treatment at normal planting density. Chemical fertilizer treatment increased plant length at high planting density. Italian ryegrass and Bokashi treatments promoted the taste point (taste score as reference) by reduction of amylose and protein contents at normal planting density in contrast to chemical fertilizer. 1000-grain weight, panicle number per m 2 , and grain yield were higher at high planting density than at normal planting density. However, high planting density decreased panicle number per hill and spikelet number per panicle. It also enhanced the amylose content of rice grain. Scanning electron microscopic observation revealed that chemical fertilizer treatment marked up protein bodies and their traces on amyloplasts. However, Bokashi treatment produced large amyloplasts, which included many starch granules. These results show that Italian ryegrass and Bokashi can offset reductions of chemical fertilizer and can lead to sufficient starch accumulation structures in rice grains.

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Effect of Different Nitrogen Doses on the Storage Proteins and Palatability of Rice Grains of Primary and Secondary Rachis Branches

Cited by 24 publications

References 10 publications

The dynamics of nitrogen derived from a chemical nitrogen fertilizer with treated swine slurry in paddy soil-plant systems

The dynamics of nitrogen derived from a chemical nitrogen fertilizer with treated swine slurry in paddy soil-plant systems

Characteristics of growth and quality, and factors contributing to high yield in newly developed rice variety ‘Akidawara’

Morphological analysis on comparison of organic and chemical fertilizers on grain quality of rice at different planting densities

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