Grain-filling problem in super rice
WebNational Center for Biotechnology Information 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 … 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
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 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 ... 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 …
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 … 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 …
WebMay 1, 2024 · Super rice breeding in Japan aimed to increase the yield potential of rice by 50%, while NPT breeding at IRRI aimed to develop varieties with a yield potential of 15 t ha−1 (Khush 1995). By contrast, the objectives of China’s Super Rice Breeding Program were the following (Cheng et al. 1998): (1) Develop super rice varieties with a ... WebApr 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 ...
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 … how to serve chickpeasWebDec 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... how to serve chex mixWebMay 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 how to serve cured salmonWebAug 26, 2024 · We also compared these features of this line with an earlier super rice cultivar, LYP9 (Zou 2003) and Yongyou12# ... Growth analysis in the process of grain filling in rice. Acta Agron Sin 14:182–193. Google Scholar Zou J (2003) Breeding of two-line hybrid rice variety'Liangyoupeijiu'and preliminary studies on its cultivation characters. Sci ... how to serve crab meatWebHowever, super rice varieties frequently do not meet their expected yield potentials due to poor grain-filling ability, as evidenced by a low grain-filling rate and many unfilled … how to serve daikon radishWebFeb 4, 2024 · NEVs such as green super rice were mostly multiple spike types as small-panicle rice was more suitable for mechanical and simplified cultivation . Thus, for NEVs, … how to serve cupcakes at a partyWebJun 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 … how to serve cincinnati chili