However, an integrative report on the responses of . Plants of rice cultivar M-202 were grown in a greenhouse in sand and irrigated with nutrient solutions of control and treatments amended with NaCl and CaCl 2 (2:1 molar concentration) at 1.9, 3.4, 4.5, 6.1, 7.9, and 11.5 dS m -1 electrical . The objective of the experiment was to study the effect of planting techniques on yield and yield component of six rice varieties. can markedly increase the yield and improve the quality of rice [14].Given the importance of nitrogen fertilization on the yield in grain from the rice plant, it is necessary to know what the best dose is for each variety as well as its infl uence on components of yield and other agronomic parameters such as the cycle, plant height, lodging and Correlation and path analysis of yield and yield components in transplanted rice. Oryza 44 (3-4): 373-377. Factors of Experiment was consist of three levels of plant spacing (a : 15×15, a : 20×20 and a : 25×25 cm) and three levels of number of . In order to study the effects of seedling age and planting spaces on yield and yield components of rice (Neda Variety) a field experiment was carried out in field of Ghaemshahr Azad University. Plants were grown in the greenhouse in sand irrigated with nutrient solutions. While the lowest grains yield (1826.4 kg ha-1) was obtained from the combination of 60 kg ha-1seed rate and 30cm row spacing. Present study was performed to analysis both physical and chemical properties of rice germplasm and heritability for yield components in combinations. Sharma A.K. Typically, GY estimated from yield components is about 10-15% greater than grain yield from the large grain yield harvest area, but both should be highly correlated. These characteristics are controlled by quantitative trait loci (QTLs) and are derived from variation inherent in crops. Read "Effect of Straw on Yield Components of Rice ( Oryza sativa L.) Under Rice‐Rice Cropping System, Journal of Agronomy and Crop Science" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. in rice, yield is determined by indirect traits like plant height, growth period, tillering ability, panicle length, seed length, seed setting rate, and grains per panicle as well as direct traits like panicle number per unit area and/or per plant, filled grains per panicle and 1000-grain-weight ( moldenhauer and nathan, 2004; sakamoto and … Swant, A.C., S.T. Iranian Journal of Soil and Water Research, 52(3), 707-719. doi: 10.22059/ijswr.2021.315776.668843 Temperature Effect on Yield and Yield Components of Different Rice Cultivars in Flowering Stage R.Ghadirnezhad 1 andA.Fallah 2 Department of Agronomy, Ghaemshahr Branch, Islamic Azad University, Ghaemshahr, Iran Rice Research Institute of Amol, Mazandaran - , Iran Correspondence should be addressed to R. Ghadirnezhad; mina @ yahoo.com ha-1) plus I75 also achieved similar yields to I100. The effect of sowing method was non-significant on the growth parameters, yield and yield components of rice plants. Number of Panicles, Total Number of Spikelets, and Filled Spikelet Percentage. Responses of plant biomass and yield components to warming are species-specific and are shifted as increased warming magnitude rises; this finding improves the results of IPCC AR5. (2005) Correlation path coefficient analysis in drought tolerent rice cultures for . However, the magnitudes of low- and high-temperature stresses may have been altered by global warming. Yield components are determined throughout the orderly and predictable development and growth of the wheat plant. ZENG & SHANNON: SALINITY EFFECTS ON GRAIN YIELD AND YIELD COMPONENTS OF RICE 419 panicle, panicle length, spikelets per panicle, number 3.9, and 6.5 dS m 2 1 over the growing season for the three of filled spikelets, and seed weight per panicle were EC levels. Philippine J. nitrogen levels and spacing in coastal Maharashtra. How to cite this paper: Moe, K., Mg, K.W., Win, K.K. Key words: Rice, Planting date, Rice cultivars, Grain yield, Yield components. Abstract: Silicon is a beneficial element for plant growth. Philippine J. nitrogen levels and spacing in coastal Maharashtra. 2007). Californi roductio orkshop 20181 1.2 Let's use an example of yield components converted to a per acre basis to see how they all add up to yield: Your crop has 60 panicles per square foot and each has 70 kernels. In addition, N also improved grain harvest index, nitrogen harvest index and plant height Throat, R.R. In such scenario, the system of rice intensification (SRI) appears to be a viable alternative of rice cultivation that saves the expensive inputs, improves yield, soil health/quality and protects the environment substantially (Satyanarayana et al . Simultaneous Application Effect of Rice Husk Biochare and Zinc Sulfate Fertilizer on Yield, Yield Components of Rice (Oryza sativa L.) Hashemi Cultivar and Some Soil Chemical Properties. yield components, assessment of the best morphological charac-teristics of rice to climate change predictions has not been per-formed. M-206 and M-209 grain yields were 10.2 T ha -1 and 12.2 T ha -1 respectively, in 2018, and 9.4 T ha -1 and 9.1 T ha -1 respectively, in 2019. Plants were grown under high and . Rice grain yield is determined by panicle number, spikelet number per panicle, grain weight and grain filling (or the percentage of ripened grains per total grains). 3.2. Yield components related to in sand and irrigated with nutrient solutions of control and treatmentsfinal grain yield were also severely affected by salinity. Heritability estimates were maximum for plant height, 100-seed weight, number of tillers per plant, spikelet density and panicle length but maximum genetic gain relative to the mean . CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Abstract: The experiment was conducted in 2009 (2001 E.C) production season at Tahtay Koraro Wereda in Northern Ethiopia. In order to study the effect of cold stress in flowering stage on yield and yield components of different rice cultivars, an experiment was performed as split plot factorial based on completely randomized design (CRD) in greenhouse of deputy of rice research institute of Iran (Amol) in 2010, in three repetitions. On the other hand, significantly greater grain yield/ha was produced by Gumera than that of Superica-1 and X-jigna. Among them, fertility was defined as the percentage of filled spikelets relative to the total number of spikelets per panicle. Farmers will need to produce more rice of better quality to meet the demands of consumers in the coming years (Peng and Yang 2003). The responses of crop yields to climatic warming have been extensively reported from experimental results, historical yield collections, and modeling research. Harvest index and yield components of aerobic rice (Oryza sativa) under effect of water, varieties and seed priming. rice; yield Introduction Rice serves as a staple crop for 50% of the world's population. Key words: Nitrogen fertilizer, grain yield, yield components, dry matter production, quality parameters. Experimental design was arranged in split plot in basis of Randomized Completely Block design with four replication. Rice consumption is a major dietary source of Cd and poses a potential threat to human health. Significantly greater grain yield/ha was obtained at seeding rate of 100kg/ha than 75 and 125 kg/ha. A change in any of these parameters at elevated [CO 2] will alter the final yields ( Ainsworth, 2008 ). It helps plants to overcome multiple stresses, alleviates metal toxicity and improves nutrient imbalance. The aims of this study were to examine the influence of Fe and Cd application on yield and yield components, dynamics of Cd in pore water, translocation factors, daily dietary intake, and estimation of human health risks. and yield and yield components of rice genotypes to see if there is any correlation between these variables. INTERNATIONAL JOURNAL OF TECHNOLOGY ENHANCEMENTS AND EMERGING ENGINEERING RESEARCH, VOL 1, ISSUE 5 1 ISSN 2347-4289 Effect Of Planting Methods On Yield And Yield Components Of Rice (Oryza Sativa L.) Varieties In Tahtay Koraro Wereda, Northern Ethiopia Abadi Birhane Aksum University, College of Agriculture, Department of Plant Science, Shire, Ethiopia aabay2003@gmail.com Abstract: The . Low productivity of rice ( Oryza sativa L.) in India is a major concern for food security. MahmoudSoltani, S., Abbasian, A. latif1, z.u. Genetic variability and the estimates of broad sense heritability observed in F2 population of Oryza sativa were significant for all the traits evaluated except for number of tillers per plant and panicle length. In Asia, it is the main item of the diet of 3.5 billion people. Key words: Rice line PK 8677-18-7-1-14; nitrogen levels; yield components; paddy yield. B.; Das, S. K.; Nandy, R. 1989-01-01 00:00:00 An experiment with sixteen cropping systems (pure and intercroppings) was conducted during the kharif season of 1985 . Grain yield was examined by breaking the yield into its four yield components: number of panicles, spikelet number/panicle, filled spikelet percentage, and 1000-grain weight. In the present study, panicles number per plant in Afghan rice cultivars ranged from 8 to 14, while in control cultivars ranged from 9 to 10. Estimate grain yield from yield components and compare with actual grain yield measured in the 5-m 2 harvest area. INTRODUCTION Rice (Oryza sativa L.) is one of the most important cereal crops of the world, grown in wide range of climatic zones. When low temperature occurs during the reproductive stages, it can cause serious yield and yield components losses [ 3 ]. The yield components of rice are the number of panicles per unit area, number of spikelets per panicle, weight of spikelet and spikelet sterility or filled spikelet. In rice, GY depends on various growth and component traits, and is the final outcome of a combination of different yield components, such as the Panicle number per plant, the filled grain number per Panicle, and the weight per grain [14] . A pot experiment was performed under glasshouse conditions where rice cultivars . Response of early rice varieties to various sources and levels of nitrogen. The kernel weight ahmed1, and m. rahman1 bangladesh rice research institute, gazipur 1701, bangladesh. Citing Literature Volume192, Issue2 April 2006 Pages92-101 Related Information Close Figure Viewer Return to Figure Oryza 44 (2): 115-120. The objective of the experiment was to study the effect of planting techniques on yield and yield component of six rice varieties. A field experiment was conducted during 2001-2003 to evaluate the effect of water stress on the yield and yield components of four rice cultivars commonly grown in Mazandaran province, Iran. * Equally contributed to this research. Materials and Methods The study was conducted during the years 2001-02 in artificially salinized (6×6×l m) concrete tanks located in net -house of Nuclear Institute for Agriculture and B iology (NIAB) . The effects of salinity and sowing density on grain yield and yield components of rice were investigated, and the relationships of the yield components to final grain yields at different sowing densities under salinity were analysed. Although temperate japonica rice (Oryza sativa L.) production is limited by both low- and high-temperature stresses, the primary constraint was reported to be cold stress in the past. The following yield components were determined: primary branches per panicle, panicle length, spikelet number per panicle, fertility, 1000-kernel weight, and grain dry weight per panicle. Response of early rice varieties to various sources and levels of nitrogen. Rising atmospheric carbon dioxide concentration [CO ] is expected to. A total of 44 lines/varieties obtained from Cuu Long Rice Research Institute genebank, and 30 F1 generation combinations were evaluated. and Yamakawa, T. (2017) Combined Effect of Organic Manures and Inorganic Fertilizers on the Growth and Khadse and Yield and Yield components of wetland rice under R.J. Bosale, 1986. Key words: Oryza sativa , planting date, seedling age, grain yield and yield components. All cultivars follow this developmental sequence, but they can vary in the rates and . Vinothini Sand Ananda Kumar C.R. Rice yield components ABSTRACT Rice is the most widely consumed staple food for more than half of the world s population. Thus, CRM practices such as addition of 100 % straw either alone or with GM and straw burning influenced the yield components (tillers, panicles and spikelets) positively and thereby increased rice grain yields. of Crop Sci., 13(3): 155-158. . Yield and yield components of rice are affected by not only me-teorological conditions but also soil conditions, fertilizer applica-tion methods, plant density, transplantation date, and other factors. yield and yield components of rice varieties Zewdineh Melkie Tilahun Ethiopian Institute of Agricultural Research, Pawe Agricultural Research Center, P.O.Box-25, Ethiopia E-mail address: zewdinehm2@gmail.com ABSTRACT Rice (Oryza species) is a unique annual cereal food crop growing under flooded condition up to 3000 m.a.s.l and pH 4.5-8.5. Rice yield components, N uptake and use efficiency were significantly influenced with the increasing N rate from 0 to 400 mg kg−1 of soil by both the sources of N. Plant height, shoot dry weight . Swant, A.C., S.T. INTRODUCTION Rice is the most important crop at the global level, as it is used as a staple food in most countries of the world (Dowling et al., 1998). In conclusion, the results revealed that seed rate and row spacing increased grain yield of rice by positively affecting the important yield components of the rice. for study of plant density on yield and yield components of rice variety Hashemi, an experiment in factorial format based on randomized complete block design with 3 replications, at a paddy field in Lahijan Township (north of Iran) in 2009 was conduced. YIELD AND YIELD COMPONENTS OF RICE (Oryza sativa L.) Rajeev Kumar, Sandeep Kumar, Anil Kumar, Harnam Singh and Sanjeev Kumar Janta P.G. To verify the impact of rice-fish culture, data gathered over eight experiments (1995-1999) at the Co Do experimental rice-fish station, Vietnam, were analysed through multiple regressions with rice yield and different yield components as the dependent variables. Responses of plant biomass and yield components to warming are species-specific and are shifted as increased warming magnitude rises; this finding improves the results of IPCC AR5. The result of economic analysis showed that the maximum net benefit was obtained at seed rate of 80 kg ha<sup>-1</sup> and row spacing of 20 cm. The components of harvestable yield in rice are the number of panicles on unit ground area, the number of filled spikelets per panicle, and single grain weight. Over-expression of the rice LRK1 gene improves quantitative yield components Xiaojun Zha1,2, Xiaojin Luo1, Xiaoyin Qian1, Guangming He1, Mengfei Yang1,YuLi1 and Jinshui Yang1,* 1State Key Laboratory of Genetic Engineering, Institute of Genetics, School of Life Sciences, Fudan University, Shanghai 200433, China 2College of Chemistry and Life Science, Zhejiang Normal University, Jinhua 321004, China A pot experiment was conducted to investigate the effects of silicon and phosphatic fertilization on rice yield and soil fertility. The results showed that the rice line IR79008-B-11-B-B-1 showed overall good physical characters (head rice . (2021). Authors: Abbas Ghanbari-Malidareh. In northern Iran irrigated lowland rice usually experiences water deficit during the growing season include of land preparation time, planting, tillering stage, flowering and grain filing period. components determine the paddy rice yield, which is the main objective of most breeding programs. The highest rice yields have traditionally been obtained from plantings in high-latitude areas that have long day length and where . 1 Influence of seed rate and row spacing on Yield and yield Components Upland ecosystems rice (Oryza sativa L.) in western Ethiopia Authors; 1Megersa Mengesha Yeshane, Email; megersa14@gmail.com 2Getahun Dereje Email: getahundereje11@yahoo.com 3Dereje Alemu Email; dalemu9@gmail.com Ethiopian Institute of Agricultural Research, Proper water management and scouting are essential to ensure that PPB treatments do not injure emerging rice to the extent that weak or reduced stands result. Most important developmental events occur at the growing point (shoot apex) and can be timed using the externally recognizable growth stages. The experiment was designed in a factorial RCBD design in three . Rice yield components. fertilizer usage without decreasing the yield of hybrid rice, and can enhance the growth, yield, and yield components of Palethwe-1. As a result of the complex genetic basis of these traits, only a few genes involved in their control have been cloned and characterized. In rice (Oryza sativa L.), the number of panicles, spikelets per panicle and grain weight are important components of grain yield.These characteristics are controlled by quantitative trait loci (QTLs) and are derived from variation inherent in crops. In addition, shoot dry weight, grain harvest index, and nitrogen (N) harvest index are also positively associated with grain yield. After evaluation of yield components four genotypes namely E36, Khau Dau Mali, E26 and E13 were selected as outstanding genotypes, which can be used as potential breeding materials for Malaysian tropical environment. Therefore,the increase in population will require 70 percent more rice in 2025 than is consumed today [1]. Keywords: Aromatic rice, Yield, Yield component, Tropical environment Introduction Above this level, paddy yield and all the yield components remained at par with each other, showing that the dose of 133 nitrogen kg ha-1 was optimum for obtaining maximum yield of this rice line. These are: the number of panicles per given area, the number of spikelets (potential) grains per panicle, the percent of filled grains per panicle, and the weight of each grain. The aim of this study was to investigate the effect of sodium chloride (NaCl) and Na2SO4 salinities on the soil chemical properties as well as rice physiological- and yield-related parameters of two contrasted cultivars (V14 (salt-sensitive . Field experiment was . Compared with conventional rice cultivation, mulched drip irrigation maize and soybean, mulched drip irrigation aerobic rice has significant increase in production and efficiency. XL8 yield components fluctuated more than CL161 or Wells over the range of rice densities and barnyardgrass control levels, indicating that XL8 is highly sensitive to intra- and interspecific competition at high plant populations. Over-expression of the rice LRK1 gene improves quantitative yield components Abstract In rice (Oryza sativa L.), the number of panicles, spikelets per panicle and grain weight are important components of grain yield. Salinity may strongly influence the interaction between plant roots and surrounding soil, but this has been poorly studied for sodium sulfate (Na2SO4). Finally, we investigated the dry weight, spikelet number per panicle, ripening rate, thousand grain weight, and yield index of rice at harvest in correlation with the application rate of rapeseed meal or the mixture of rapeseed meal and chemical fertilizer (Table 3).Compared with untreated plants, all the yield components were increased with increasing application rate of rapeseed meal alone . World & # x27 ; s most important staple food crops, Y Musa 2, Muslimin! World & # x27 ; s most important developmental events occur at the growing point ( apex. [ CO 2 ] will alter the final yields ( Ainsworth, 2008 ) in wide! Been altered by global warming can be timed using the externally recognizable growth stages rate of than. These characteristics are controlled by quantitative trait loci ( QTLs ) and can be timed using the recognizable... 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Correlation path coefficient analysis in drought tolerent rice cultures for 2025 than is consumed today [ 1.!
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