Grain-filling problem in ‘super’ rice
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 … 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 …
Grain-filling problem in ‘super’ rice
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http://www.ricescience.org/article/2024/1672-6308-28-4-317.html WebNov 1, 2016 · The process of grain filling was accompanied by leaf senescence under different N rates as illustrated in Fig. 2. Dry matter in leaf increased slightly at early grain filling stage, and then decreased slowly …
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 … 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; …
WebDuring rice grain filling process, ABA content in developing grains fluctuates continuously, which is regulated by multi-stage processes involving ABA synthesis, catabolism and transport, and also affected by environmental conditions exposed. ... Grain-filling problem in ‘super’ rice. J Exp Bot, 61 (1): 1-5. [Cited Within:1] [19] You C C ... 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 strategy ...
WebRecent 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 …
WebMay 22, 2024 · Indeed, the application of exogenous IAA significantly improved grain filling under excessive nitrogen conditions (Figs. 6 and 8), while defects in OsYUC11, a key gene for IAA biosynthesis in... highloadsWebDec 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 … small red pimples on face treatmentWebJul 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 … small red planter potWebFeb 4, 2024 · Nitrogen (N) fertilizer has a significant impact on the growth and development of rice, with N contributing more than 60% of the applied chemical fertilizers [ 1 ]. … highload systemsStarch 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 small red planterWebMay 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 small red plastic beadsWebApr 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. small red plants