Grain-filling problem in super rice
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 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
Grain-filling problem in super rice
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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 … 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 …
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 … WebJan 1, 2010 · Conventional thinking to explain the poor grain-filling is the consequence of carbon limitation. Recent studies, however, have shown that carbohydrate supply should …
WebJan 1, 2010 · Conventional thinking to explain the poor grain-filling is the consequence of carbon limitation. Recent studies, however, have shown that carbohydrate supply should … 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 …
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 …
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 … how to set up canon 2522 printerWebAug 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. nothing bundt cakes allentownStarch 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 … 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 (Kobata et al., 1992; Schnyder, 1993; … 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 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 … See more how to set up candy bar at wedding receptionWebApr 12, 2024 · Find support for a specific problem in the support section of our website. Get Support ... better grain filling, and usually heavier grains than with conventional rice ... Yang, J.; Zhang, J. Morphological and physiological traits of roots and their relationships with shoot growth in ‘super’ rice. Field Crops Res. 2009, 113, 31–40 ... how to set up candy buffetWebSep 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 … how to set up canonWebJul 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 ... how to set up canon eos rebel t5WebJun 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 ). how to set up canon g1010