Grain-filling problem in ‘super’ rice

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WebMar 26, 2024 · Yang and Zhang (2009) argued that because of poor grain filling of later-flowering inferior spikelets (compared with the earlier-flowering superior spikelets), super hybrid rice fails to achieve its high … WebJul 21, 2024 · The results showed that shading after heading significantly decreased the spikelet-filling rate and grain weight, as well as the dry weight of grains panicle –1, 30 d …

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WebNov 11, 2024 · The allele of the rice accession Ludao ( GFR1Ludao) improved the grain-filling rate of rice by increasing Rubisco initial activity in the Calvin cycle. Moreover, the increased expression of a cell wall … WebApr 12, 2024 · Jiangxi Research and Development Center of Super Rice, Nanchang 330200, China * ... and solve the main problems of heat tolerance in rice progressively. ... Mitsui, T. Golgi/plastid-type manganese superoxide dismutase involved in heat-stress tolerance during grain filling of rice. Plant Biotechnol. J. 2015, 13, 1251–1263. chukar recipes air fryer

Grain-filling problem in ‘super’ rice - Oxford Academic

WebAug 1, 2024 · The grain filling of inferior spikelets is much less complete than that of superior spikelets in rice cultivars with large panicles and numerous spikelets and is promoted by moderate soil drying (MD) post-anthesis. A growing body of evidence has shown that microRNAs function in regulating grain development. WebNov 2, 2005 · These results indicate that increased grain filling rate is mainly attributable to enhanced sink activity through regulation of key enzymes involved in sucrose-to-starch … WebApr 5, 2024 · Abstract. Grain-filling, as the final growth stage of rice, is sensitive to environmental temperature change. Previous studies mainly concerned about the effects … destiny lyrics zahara

Genetic Research Progress: Heat Tolerance in Rice

WebMay 30, 2024 · Rice quality is directly determined by grain filling of rice spikelets, which is largely regulated by changing environments, like temperature, light and water. Adverse reproductive stage environments remarkably decrease rice quality by affecting starch biosynthesis process. WebJul 21, 2024 · The results showed that shading after heading significantly decreased the spikelet-filling rate and grain weight, as well as the dry weight of grains panicle –1, 30 d after shading; these traits were closely related to the grain yield of rice. Hence, the grain yield decreased by 13.72–22.54% and 6.86–14.35% at Hanyuan and Wenjiang ... chukar recipes crock potWebRecent studies, however, have shown that carbohydrate supply should not be the major problem because they have adequate sucrose at their initial grain-filling stage. The low … destiny marchione twitter

"WebDec 1, 2024 · This problem is more common in China because the average rate of N-fertilizer application for rice in 2006 was 193 kg ha −1, which is approximately 90% … " - Grain-filling problem in ‘super’ rice

Grain-filling problem in ‘super’ rice

Amino acid composition of leaf, grain and bracts of …

WebDec 17, 2013 · These findings suggest that grain sterility or poor grain filling in rice is the result of poor translocation and partitioning of assimilates into grains (sink) rather than of limited biomass production or source limitation. ... J. Yang and J. Zhang, “Grain-filling problem in ‘super’ rice,” Journal of Experimental Botany, vol. 61, no. 1 ... Starch in rice grains contributes 80–90% of the final dry weight of an unpolished grain (Yoshida, 1972; Duan and Sun, 2005). Grain-filling is actually a process of starch accumulation and it has been reported that there are 33 major enzymes involved in the metabolism of carbohydrates in developing rice endosperm … See more Rice (Oryza sativa L.) is one of the most important food crops in the world. Providing 35–60% of the dietary calories, rice is consumed by more than 3 billion people (Fageria, 2007). In the last half-century, world rice … See more Poor grain-filling of the later-flowering inferior spikelets of modern rice cultivars with numerous spikelets per panicle, especially for ‘super’ rice, is a serious problem and frequently limits yield potential. … See more The slow grain-filling rate and low grain weight of inferior spikelets have often been attributed to a limitation in carbohydrate supply (Sikder and Gupta, 1976; Murty and Murty, 1982; Zhu … See more Grain-filling in cereals depends on carbon from two sources: current assimilates and assimilates redistributed from reserve pools in vegetative tissues either pre- or post-anthesis … See more

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WebAbstract. Modern rice (Oryza sativa L.) cultivars, especially the newly bred 'super' rice, have numerous spikelets on a panicle with a large yield capacity. However, these … WebOct 6, 2024 · Poor grain filling, characterized by incidence of partially filled grain, is one of the major problems to be improved for maximizing the yield potential in rice (Oryza sativa L.) cultivars with ...

WebDec 1, 2024 · It is generally accepted that poor grain filling of rice plants under high nitrogen (N) input is due to increased competition for assimilates because high N rate usually results in large sink size with more spikelets per panicle. WebModern rice (Oryza sativa L.) cultivars, especially the newly bred 'super' rice, have numerous spikelets on a panicle with a large yield capacity. However, these cultivars …

WebOct 15, 2024 · Grain filling is determined by a complex sink-source balance (Okamura et al. 2024 ). In modern large panicle rice, significant asynchronicity of superior spikelet and inferior spikelet filling can …

WebApr 26, 2024 · Intriguingly, we have found that the sum of grain filling rates around 15 and 38 days after flowering largely determines grain yield, and have further developed a novel in situ approach quantifying grain filling rates and grain yield precisely with the measurements of ear respiratory rates (r>0.93).

WebAug 1, 2024 · The poor grain filling efficiency of inferior spikelets is becoming a severe problem in rice production, especially in some super rice varieties with huge panicles … destiny lover season 2WebApr 21, 2024 · However, the high yield potential of ‘super’ rice cultivars, which have numerous spikelets with a large capacity, frequently fails to manifest in high grain yield due to either sterility or slow or poor filling of inferior spikelets. destiny maintenance scheduleWebDec 18, 2024 · Poor grain filling of inferior spikelets is becoming a severe problem in some super rice varieties with large panicles. Moderate soil drying (MD) after pollination has … destiny lowest ttk auto rifleWebDec 18, 2024 · Poor grain filling of inferior spikelets is becoming a severe problem in some super rice with large panicles. Moderate soil drying (MD) after pollination has been proven to be a practical strategy ... destiny lunafaction bootsWebDec 18, 2024 · SUMMARY Poor grain filling of inferior spikelets is becoming a severe problem in some super rice varieties with large panicles. Moderate soil drying (MD) after pollination has been proven to be a p... destiny map of cosmodromeWebDec 1, 2024 · IG suffered from more ethylene, excessive nitrogen source but less heat shock, resulting in the more protein in IG. Abstract Protein content in the inferior grains (IG) has a great impact on eating quality of indica-japonica rice hybrids. destiny mall stabbingWebMay 15, 2024 · Increase in rice production through breeding programme is near saturation. • Poor grain filling in heavy panicles is the bottleneck in increasing rice production. • Low activity of the grain filling enzymes is the major cause of loss in grain yield. • Genetic manipulation of the grain filling enzymes could increase rice production. Keywords destiny mall food court