The results showed that rice yield increased by 320 kg ha 1 and rice production increase by 897 kg per household, and this was as a consequence of nerica adoption. Chlorophyll fluorescence, protein and chlorophyll content of. The adoption of nerica rice varieties at the initial stage of the diffusion process in uganda, african journal of agricultural and resource economics, african association of agricultural economists, vol. Growth and yield performance of nerica rice in aus season.
Jun 21, 2016 rice has the advantage to be stored over longer periods. Pdf field evaluation of selected nerica rice cultivars in western. Average treatment estimate, new rice varieties for africa. These varieties are known as new rice for africa or nerica rice. Introduction rice is the most important staple food for about half of the human race 1, 2. It is found that the adoption and dropout of nerica rice variety is. Nerica for upland production systems, a number of farmers have shown interest in growing upland rice. This, however, is no guarantee for nerica s widespread adoption. Africa rice center africarice is an autonomous intergovernmental research association of african member states. Phenotypic expression in upland nerica rice under low. With the outbreak of nerica varieties, it is important to evaluate and compare their nutritional and mineral properties to those of the local ones prior to their vulgarisation. Nerica combines the highyield properties of asian rice with the resilience of african rice, which is known for resistance to drought and disease. Agricultural development has long been a key component in the ticad process and japan has particularly pushed to facilitate rice cultivation with the new rice for africa, better known as nerica which is a hybrid of asian and african rice strains.
Changes in some nutritional and mineral components of nerica. The pdf file you selected should load here if your web browser has a pdf reader plugin installed for example, a recent version of adobe acrobat reader if you would like more information about how to print, save, and work with pdfs, highwire press provides a helpful frequently asked questions about pdfs alternatively, you can download the pdf file directly to your computer, from where it. In other to ensure sustainable production socioeconomic and environmental of nerica rice for the prospect of double cropping other inputs have been suggested, one of. Aricas have been widely tested by the africawide rice breeding task force in multilocation. Primary datawere collected using structured questionnaire, administered to 174 respondents for both faro54 and nerica1 farmers during the 2014 cropping season. But such good news is yet to be embraced by rice farmers in kenya. Primary datawere collected using structured questionnaire, administered to 174 respondents for both faro54 and nerica 1 farmers during the 2014 cropping season. Physical and mechanical properties of nerica paddy rice with abstract, chapters 15, references and questionnaire. Effect of moisture content and loading positions on the. Nerica new rice for africa rice variety acronymfinder. Rodenburg and others published achievements and impact of nerica on sustainable rice production in subsaharan. Contribution of improved rice varieties to poverty. It is also one of the 15 international agricultural research centers supported by the consultative group on international agricultural research cgiar. Withthedevelopmentofnewriceforafrica nerica for upland production systems, a number of farmers have shown interest in growing upland rice.
Hidasie, pawe1, nerica 12, and nerica 3 varieties that have been released from the research were grown side by side to demonstrate and compare their performance with the one that farmers are using local. Chlorophyll fluorescence, protein and chlorophyll content. Identification of qtls for agronomic characteristics in an. Onfarm demonstration of improved rice oryza sativa. There is need to explore improving productivity of soils by using grain legumes complemented with lowuse of applied nitrogen. Nerica was developed using complex embryo rescue techniques to cross the asian oryza sativa rice with the african oryza glaberrima rice. The delivery of nerica seed coincided with various efforts, including. Genetic characterization of rainfed upland new rice for africa. Recent dissemination of nerica varieties has not caused any reduction of preexisting varieties. The p, n, mg contents were found to be more elevated in seeds harvested from mycorrhiza or chemical fertilizer applied plants, with nerica seeds variety fkr62n as the best of all in nutrients mineral and nutritional compositions. The seeds had been developed for rainfed culture by african rice. Scientists of the west africa rice development association later renamed the africa rice center have developed new rice for africa nerica varieties adapted to lowyielding en.
Nerica new rice for africa, a new promising african upland rice. Growing upland rice in nigeria choice of land i select site in ecological zones where rice is grown traditionally. It belongs to the family of graminaceae, the botanical genus oryza, and comprises a total of 23 species of which only two are cultivated. By the end of the project, it was estimated that more than 35,000 people living in participating rice farming. Grain nerica another trap for small farmers in africa. This study attempts to assess the major determinants of the adoption of nerica in the early stages of its. A total of 18 rainfed upland nerica varieties were used table 1. By world standards, africa is a minor player as far as rice production is concerned.
Effects of varied parboiling conditions on proximate and. The present analysis revealed that the hybrid nerica rice variety contained a considerable amount of nutrients. Costs and returns analysis of nerica rice and local rice costsreturns items nerica rice % local rice. One major limitation in tropical agriculture is the loss of productivity of soils due to continuous cultivation.
A new highyielding upland rice variety known as new rice for africa nerica has been recognised widely as a promising technology for addressing the food shortage and poverty problems in subsaharan africa. Photographs are by staff of the africa rice center warda and. Responses of upland nerica rice to fertiliser application and. Introduction among the target commodities that have received due attention in promotion of agricultural production, rice is considered as the. The study was conducted to observe the bangladesh and farmers cultivate vegetable crops. Physical and mechanical properties of nerica paddy rice. Costs and returns analysis of nerica rice and local rice costsreturns items nerica rice % local rice % 1 costsha seed 10,000. Yield and its attributes responses of drought tolerant. Responses of upland nerica rice to fertiliser application. Influence of legumerice sequence and nitrogen on nerica rice. What is the impact of nerica rice on yields and nutrition. A cross between african and asian rice dubbed new rice for africa nerica is being hailed as a miracle crop that can bring africa its longpromised green revolution in rice. Journal of agriculture and social research jasr vol. Although 240 million people in west africa rely on rice as the primary source of food energy and protein in their diet, the majority of this rice is imported, at a cost.
The characteristics of early maturity and heavy panicle of upland nerica varieties were succeeded from asian rice varieties, and high dry matter production was. Functional characteristics, viscosity profile, proximate composition and consumer acceptability test of tuwonlaushi prepared from the blends were determined. The varieties are new and not widely disseminated in farming communities and there is lot of interest in. Pdf achievements and impact of nerica on sustainable rice. Ladebo 3 established that rice contributed about 12%14% of the food requirement of the nigeria populace. Application of 55 t fymlgm ha1 led to the highest soil ph which increased by 9. The applicability of this cwcmsrf17 system to produce other elite indica group rice cultivars with cms. This is often due to leaching losses of nutrients, erosion or crop removal. New rice for africa nerica is a cultivar group of interspecific hybrid rice developed by the africa rice center africarice to improve the yield of african rice cultivars. The adoption of nerica rice varieties at the initial stage.
The shortduration nerica are mainly used as a complement to the longduration traditional varieties and thus. The seeds had been developed for rainfed culture by african rice centre in west africa. This practice of parboiling varies among individuals or groups. Effects of water deficit on physiology and morphology of. Preparation of the procedures manual and computerizatio n of the accounting system. Nerica and non nerica rice enotypes in multienvironment yield trials as analysed using ggebiplot model international journal of research granthaalayah, vol. To assist production of food in africa, japanese agronomist is challenging to extend of nerica new rice for africa. Adoption, evaluation, nerica rice varieties, nigeria. Nerica new rice for africa, the high yielding rice cultivars. The pdf file you selected should load here if your web browser has a pdf reader plugin installed for example, a recent version of adobe acrobat reader if you would like more information about how to print, save, and work with pdfs, highwire press provides a helpful frequently asked questions about pdfs.
Nerica is a symbol of hope to more than 30 million african rice farmers, mostly smallholder. Enduse quality of upland nerica 1 wab4501bp38hb rice flour as affected by the addition of 5 to 20% sweet cassava flour were evaluated. The gains in yields and production of paddy for adopters of other improved rice varieties were. This study investigated the effect of different parboiling conditions on the nutrient content of two rice varieties, jasmine85 and nerica 14. Good soil tillagepractices generally enhance ef cient fertilizeruse, soil porosity and aeration and then have positive impacts during germination, seedling emergence and stand establishment stages of plant growth,in addition to weed control.
Recent changes in varietal diversity of rice in guinea. Nerica rice dissemination project african development bank. Nutritional potential and mineral profiling of selected. Sep 18, 2019 a cytoplasm of cwtype cytoplasmic male sterile cms line is derived from oryza rufipogon strain w1 and fertility is restored by a single nuclear gene, rf17. Nericas 111 were bred with wab 56104, three upland nericas, 12, and 14, were bred with wab 5650 and four nericas, 15 to 18, were bred with wab 18118 as the recurrent parents and adapted upland conditions jones et al. Nerica rice, mycorrhiza, nutritional properties, mineral contents, chemical fertilizer 1. A cytoplasm of cwtype cytoplasmic male sterile cms line is derived from oryza rufipogon strain w1 and fertility is restored by a single nuclear gene, rf17. Ten upland nerica and three upland non nerica rice genotypes obtained from africa rice center and madagascar, respectively table 1 were evaluated from 2009 to 2011 at three locations of six environments including, woreta wo1,wo3 and wo5, pawe pa2 and. Influence of inorganic and organic nutrient sources on. The relative low fe content in nerica rice suggest that these varieties may be resistant to fe accumulation in seeds. O box 4, matuga, kenya abstract rice is an important food crop in kenya and can also be important source cash for rural households in kenya. Rice as staple food is the most important and valuable cereal crop in cameroon, particularly in rural areas where poor population cannot afford to cook and eat at their convenience.
Sharma3, tareke berhe3 1gambella regional agricultural research institute, p. The physical, rheological and sensory properties of six rice oryza sativa varieties, from two improvement programmes in ghana, were evaluated with the aim of establishing their specific food uses. A powerful coalition of governments, research institutes, private seed companies and donors are leading a major effort to spread nerica seeds to all the continents rice fields. The adoption of nerica rice varieties at the initial stage of. We have previously reported that cwcms were effective for breeding cms lines of indica group rice cultivars, ir 24 and ir 64. Enduse quality of upland nerica rice oryza sativa l as.
Estimation of actual and potential adoption rates and. Yield and its attributes responses of drought tolerant upland. Farmers evaluation of nerica rice varieties and adoption determinants in nigeria 27 table 1 summary statistics of socioeconomic characteristics of the respondents. Advanced rice varieties for africa arica is a new generation of improved highyielding rice varieties that poses genetic material which consistently outyields other rice varieties available to farmers. A powerful coalition of governments, research institutes, private seed companies and donors are leading a major effort to spread varieties of nerica seeds to all of the continents rice fields.
Farmers evaluation of nerica rice varieties and adoption. Nerica new rice for africa, a new promising african upland rice species, is getting into the limelight not only in westafrica but also in east africa. Nerica rice cultivar could be produced in a sustainable manner under the prevailing environmental condition, there is the possibility of double cropping it. Comparative analysis of profitability of nerica rice and.
Changes in some nutritional and mineral components of. Jun 03, 2016 it has the best qualities of the red rice and the white rice, exclaimed karine, very happy that she had at last found the secret of nerica. Parboiling of paddy rice is an integral part of postharvest rice processing. In the screen house inoculated rice had higher p rice in the year 2006 on 9. In 2005 only,000ha of land was under rice which accounted for only 4. The first nerica variety was developed in 1994 by researchers at warda, 2 using an oryza sativa japonica variety wab 56104 and an african oryza glaberrima variety cg 14. The gross margin analysis shows that from one hectare of land cultivated, the total cost of production for nerica rice and local rice were n116,638. May 14, 20 to assist production of food in africa, japanese agronomist is challenging to extend of nerica new rice for africa. Although 240 million people in west africa rely on rice as the primary source of food energy and protein in their diet, the majority of this rice is imported, at a cost and aid economic development in west africa. New rice for africa nerica dissemination project u. The nerica new rice for africa rice varieties, developed by the africa rice center during the 1990s, are providing hopes for raising the productivity of upland rice farmers in africa because of their reported high yield potential and adaptability to the african conditions. New rice for africa nerica, which are interspecific hybrids between asian and african rice varieties, are one of successful breeding products utilizing biodiversity across the two different rice crop species.
Upland nerica varieties nu exhibit agronomic traits of. According to an official at the national irrigation board, a government agency in charge of rice irrigation. Soil oc, ph, n, k and ca were decreased while the soil p, mg and s were increased from the initial status. Increasing rice demand is one of the consequences of the steadily improving socioeconomic status of the african countries. Africa rice development association warda, whose headquarters are in cote divoire, succeeded in the development of nerica in. The experiment tested mechanisms that could encourage farmers to try nerica, such as subsidies to purchase seed, training in new cultivation methods, and information about how its adoption might. The people consume more rice than what is produced on the continent.
A comparative econometric study of the barriers to adoption of new rice crops nericas in west africa. Nerica varieties are associated with an earlier harvest which could help families. Influence of legumerice sequence and nitrogen on nerica. In the screen house inoculated rice had higher p nerica 3 rice in gambella, ethiopia shiferaw nesgea1, heluf gebrekidan2, j. Pdf food shortage is a major problem in subsaharan africa as population increases. Department of the treasury mdb awards 2014 adoption and impact estimates across the countries. So, rice cultivation in aus season is low in applied n 2. Nerica rice varieties, a cross between african and asian rice, are being hailed as a miracle crop that can bring africa its longpromised green revolution in rice. Unfortunately, these farmers do not have a ready source of information on upland rice production.
Nerica rice had the highest concentration of most proximate values and mineral elements that in most of the other rice varieties. Rice has the advantage to be stored over longer periods. Rice in africa ingerafrica and the inland valley consortium ivc. Annual income of 241,000 farm families increased by usd235. It ranks the third after wheat and maize in terms of indigenous production.
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