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Grain-filling problem in super rice

WebApr 5, 2024 · Grain-filling, as the final growth stage of rice, is sensitive to environmental temperature change. Previous studies mainly concerned about the effects of high … WebJun 28, 2010 · Cytokinins may reflect soil water status and regulate rice ( Oryza sativa L.) grain filling. This study investigated the changes in cytokinin levels in rice plants and …

Grain filling of cereals under soil drying - Yang - 2006 - New ...

WebDec 1, 2024 · At the individual panicle level, reduction in grain filling was evidenced by decreased fully filled spikelet percentage, fertilized spikelet weight, and grain plumpness, and increased partially filled spikelet percentage in the bottom part of the panicle as total N rates increased. WebConventional thinking to explain the poor grain-filling is the consequence of carbon limitation. Recent studies, however, have shown that carbohydrate supply should not be … 10倍株 2023 https://qtproductsdirect.com

Amino acid composition of leaf, grain and bracts of …

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 yield potential. In our study, mean seed-set percentage in 2016 was 13.0% lower than that in 2015 at higher N levels but only 9.6% lower at ... WebDec 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. WebSep 10, 2015 · Rice grain filling is a highly complicated process, and the accumulation of starch and storage proteins is regulated starting at the mRNA level . The RNA-Seq technique provided a powerful tool on … 10倍粥 作り方 炊飯器

Synergistic interaction between ABA and IAA due to moderate soil …

Category:Do System of Rice Intensification Practices Produce Rice Plants ...

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Grain-filling problem in super rice

Synergistic interaction between ABA and IAA due to moderate soil …

WebOct 6, 2024 · The fi rst strategy is the improvement of the poor grain fi lling in the increased inferior spikelets. This may be realized by utilizing suggested alleles for good grain fi lling at APS2, APL2... 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 …

Grain-filling problem in super rice

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WebJun 28, 2010 · Several studies have shown that variations in grain filling between the superior and inferior spikelets are mediated by plant hormones ( Yang et al., 2003 a, 2006) and cytokinin levels in rice spikelets are significantly correlated with seed development ( Yang et al., 2002 a; Zhang et al., 2009 a ). 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 ...

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. 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 …

WebOct 27, 2024 · To investigate the differential responses of super rice grain filling to low filling stage temperature (LT) and the regulative effect of nitrogen panicle fertilizer (NPF), physiological and molecular experiments were conducted with two super rice varieties (Nanjing 7th: N7 and Nanjing 9108th: N9108) on two different filling stage temperature … WebConventional thinking to explain the poor grain-filling is the consequence of carbon limitation. Recent studies, however, have shown that carbohydrate supply should not be …

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.

WebJun 1, 2012 · There are reports that an increased grain-filling rate was closely associated with an elevated ABA level in the roots and grains of rice and wheat when subjected to a moderate soil drying during grain filling (Yang et al. 2001, 2003, 2004a, b; … 10倍粥WebDec 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... 10倍粥 炊飯器WebDec 1, 2024 · The degree of grain filling in rice spikelets can be characterized by the percentage of spikelet filling, the final weight of filled spikelets, and grain plumpness. … 10倍蝦幣卷