Genes’ expression involved in SL biosynthesis (. Plant Signal Behav. Exogenous IAA treatment at concentrations of 10 Î¼M and 100 Î¼M significantly reduced tiller number in three different rice cultivars. Characterization of a new semi-dominant dwarf allele of SLR1 and its potential application in hybrid rice breeding. Results: Altered expression of OsNPF7.1 and OsNPF7.4 differentially regulates tillering and grain yield in rice. SPL genes are widâ¦ The tillers having filled grains were recorded as effective tillers and the tillers without filled grains were recorded as non-effective tillers. Epub 2020 Aug 13. Plant Cell Rep. 2009;28:527–537. 2018 Sep 14;69(20):4703-4713. doi: 10.1093/jxb/ery243. 2009;50:1416–1424. G, The average tiller number of all cultivars in rice Hap1-Hap3. Wiley Interdiscip Rev RNA. Huang W, Nie H, Feng F, Wang J, Lu K, Fang Z. 2017 Aug 2;8:1338. doi: 10.3389/fpls.2017.01338. 2.4.2. Annu. The mechanism by which GAs promote shoot height has been studied extensively, but it is not known what causes the inverse relationship between plant height and tiller number. Since elevated expression of OsNPF7.2 is capable of improving rice grain yield, this gene might be applied to high-yield rice breeding. National Center for Biotechnology Information, Unable to load your collection due to an error, Unable to load your delegates due to an error. However, comprehensive analyses of the genetic basis of the tiller number, considering the development stage, tiller type, and related traits, are lacking. 2020 Jul 31;9(8):970. doi: 10.3390/plants9080970. The rice d27 mutant is a classic rice mutant described previously (Ishikawa et al., 2005; Arite et al., 2007).To elucidate the molecular mechanism that determines rice tiller number, we further characterized d27 in depth. Plant Biol. 2003; Xing and Zhang 2010). Front Plant Sci. Cytokinin; Grain yield; OsNPF7.2; Rice; Tiller bud; Tiller number. Main food consumed, 2009: rice, fruits, vegetables, fish, meat, starchy roots, wheat, sugar and sweeteners Rice consumption, 2009-10: 123.3 kg milled rice per person per year Section Topics GAs trigger the degradation of SLR1, leading to stem elongation and also to the degradation of MOC1, and hence a decrease in tiller number. Semidwarf (sd-1), âgreen revolutionâ rice, contains a defective gibberellin 20-oxidase gene. 23 Tiller Number Hill : Rice varieties showed significantly levels were P = Control (Without phosphorus), P = 24 Kg differences for tiller production which ranged between 01 P O ha 2 5 2,P = 48 Kg P O ha 25 3 ,P = 72 Kg P O ha 25 and 4.60 and 20.51 (Table 1). The number of effective tillers per m 2 was calculated for each plot just before harvesting the crop. Wang H, Wan Y, Buchner P, King R, Ma H, Hawkesford MJ. 2020 Jun 8;13(1):35. doi: 10.1186/s12284-020-00395-3. USA. The tillering capacity of rice plants varies with variety, plant spacing, fertility, weed competition and damage from pests. Rice tiller number is one of the most important factors that determine grain yield, while nitrogen is essential for the crop growth and development, especially for tiller formation. In direct-seeded rice fields with a normal plant population (10 to 20 plants per square foot), rice plants generally produce two to five panicle-bearing tillers per plant compared to 10 to 30 tillers per plant in transplanted rice where more space is available between plants. A mature rice plant has a main shoot and several lateral branches (tillers), with each bearing an inflorescence (panicle) at the apex. Epub 2020 Sep 7. 15, No. doi: 10.1007/978-1-61779-228-1_17. Rice GROWTH-REGULATING FACTOR 7 controls tiller number by regulating strigolactone synthesis. doi: 10.1104/pp.17.00532. SAPK2 contributes to rice yield by modulating nitrogen metabolic processes under reproductive stage drought stress. 2011;772:279–295. 2019 Nov;10(6):e1556. doi: 10.1111/j.1365-313X.2007.03210.x. Huang W, Bai G, Wang J, Zhu W, Zeng Q, Lu K, Sun S, Fang Z. Qiu J, Lu F, Xiong M, Meng S, Shen X, Kou Y. Funct Integr Genomics. -, Zhou F, et al. Comparative transcriptome analyses reveal different mechanism of high- and low-tillering genotypes controlling tiller growth in orchardgrass (Dactylis glomerata L.). We demonstrated that OsNLP4âOsNiR increased tiller number and yield through enhancing nitrogen assimilation and NUE. Expression of genes involved in strigolactone biosynthesis, perception and signalling pathway. Altered expression of OsNPF7.2 regulated CKs concentration and cell cycle. 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