Grain-filling problem in super rice
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 … 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.
Grain-filling problem in super rice
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http://www.ricescience.org/article/2024/1672-6308-28-4-317.html 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 ...
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 ... WebHowever, 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 …
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. 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 ...
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 …
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 … graphic lemonadeWebJul 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 … chiropodist ripleyWebJan 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 … chiropodist ringwood hampshireWebDec 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... chiropodist rickmansworthWebModern 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 … chiropodist ringwoodWebIn conclusion, RGB1 regulated rice panicle architecture and grain filling through monitoring CK level in the inflorescence meristem and grain ABA level during filling stage. Rice yield is, to a large extent, determined by the number of spikelets borne on the panicles per unit area and the grain weight (Li et al, 2024). The number and the ... chiropodist ripley derbyshireWebApr 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). graphiclib