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 … 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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WebMay 22, 2024 · Grain-filling problem in ‘super’ rice. Crossref GoogleScholar Google Scholar 19959608 PubMed You CC, Zhu HL, Xu BB, Huang W, Wang S, Ding Y, Liu Z, Li G, Chen L, Ding CQ, Tang S (2016 ) Effect of removing superior spikelets on grain filling of inferior spikelets in rice. 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
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 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 ...
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 … 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 …
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 ...
WebIn 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 ... cupe 7800 seniority listWebJan 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 … easy cake baking recipesWebMay 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... cup ear deformity icd 10WebNov 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 … easy cake decorations for grandpaWebNov 11, 2024 · Poor grain filling by hybrid japonica rice (Oryza sativa) is a major agricultural problem. It has previously been reported that the rice accession Ludao, a wild-type japonica rice grown naturally in the … cupe 905 york region collective agreementWebOct 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 … easy cake ball recipe cream cheeseWebMar 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 … easy cake designs