Relevant bibliographies by topics / Cassava – Varieties – Kenya

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters

Academic literature on the topic 'Cassava – Varieties – Kenya'

Author: Grafiati
Published: 4 June 2021
Last updated: 2 February 2022

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Journal articles on the topic "Cassava – Varieties – Kenya"

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Livoi, ANTONY, A. W. Mwang' ombe, E. Nyaboga, D. Kilalo, and E. Obutho. "Prevalence and Distribution of Cassava Bacterial Blight in the Kenyan Coast." Agricultural Science 3, no. 1 (2021): p7. http://dx.doi.org/10.30560/as.v3n1p7.

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Cassava (Manihot esculenta Crantz) is one of the staple food crops grown in Kenya. Diseases remain one of the major constraints for cassava production. Apart from other major viral diseaes Cassava mosaic and Cassava brown streak, Cassava bacterial blight (CBB) caused by Xanthomonas axonopodis pv manihotis and Xanthomonas axonopodis pv cassavae are a major constraint in cassava production in Kenya. This study was done to identify the prevalence, distribution, and farmers' knowledge of cassava bacterial blight in the coastal region of Kenya. A survey was conducted involving 250 farmers who were
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Wambua, M., R. M. S. Mulwa, P. F. Arama, S. A. Atieno, and J. O. Ogendo. "Evaluation of popular cassava varieties for yield and cyanide content under ASAL conditions in Kenya." African Crop Science Journal 28, s1 (2020): 71–82. http://dx.doi.org/10.4314/acsj.v28i1.6s.

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Cassava (Manihot esculenta Crantz) is a staple food crop grown by smallholder farmers in the marginal regions of western, coastal and eastern Kenya. The objective of this study was to evaluate popular cassava varieties for yield and cyanide content in the arid and semi-arid regions of Kenya. The study was carried out at five sites located in three sub-counties of Nakuru county in Kenya. Treatments included a collection of 27 sweet cassava varieties obtained from Western Kenya. Results revealed significant variations among varieties in all sites, for all parameters measured. The highest yields
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Ouma, James Odhiambo, GO Abong’, and S. Ngala. "Contribution of cassava and cassava-based products to food and nutrition security in Migori County, Kenya." African Journal of Food, Agriculture, Nutrition and Development 21`, no. 01 (2021): 17399–414. http://dx.doi.org/10.18697/ajfand.96.19975.

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The promotion of cassava as a staple and food security crop is widespread in Africa,Kenya included. Overreliance on cassava as a sole energy provider could lead to malnutrition. Consumption of high hydro-cyanide levels from cassava products could lead to health complications for consumers.This study sought to establish the contribution of cassava consumption to nutrition in Migori County.A cross-sectional survey was carried out and data collected on households’cassava production and consumption practices. Two hundred and fifty-three households were randomly selected and household farming heads
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Sserubombwe, W. S., R. W. Briddon, Y. K. Baguma, et al. "Diversity of begomoviruses associated with mosaic disease of cultivated cassava (Manihot esculenta Crantz) and its wild relative (Manihot glaziovii Müll. Arg.) in Uganda." Journal of General Virology 89, no. 7 (2008): 1759–69. http://dx.doi.org/10.1099/vir.0.83637-0.

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Cassava (Manihot esculenta) growing in Uganda during 2001–2002 has been screened for the presence of begomoviruses using PCR-RFLP, cloning full-length genomic components and nucleotide sequence analysis. In contrast with a recent survey in neighbouring Kenya, which identified three distinct strains of East African cassava mosaic virus (EACMV, EACMV-UG and EACMV-KE2) as well as East African cassava mosaic Zanzibar virus and the new species East African cassava mosaic Kenya virus, only EACMV-UG and, to a lesser extent, African cassava mosaic virus (ACMV) were found associated with cassava in Uga
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Thomson, Jennifer A. "The role of biotechnology for agricultural sustainability in Africa." Philosophical Transactions of the Royal Society B: Biological Sciences 363, no. 1492 (2007): 905–13. http://dx.doi.org/10.1098/rstb.2007.2191.

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Sub-Saharan Africa could have a shortfall of nearly 90 Mt of cereals by the year 2025 if current agricultural practices are maintained. Biotechnology is one of the ways to improve agricultural production. Insect-resistant varieties of maize and cotton suitable for the subcontinent have been identified as already having a significant impact. Virus-resistant crops are under development. These include maize resistant to the African endemic maize streak virus and cassava resistant to African cassava mosaic virus. Parasitic weeds such as Striga attack the roots of crops such as maize, millet, sorgh
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Mohammed, I. U., M. M. Abarshi, B. Muli, R. J. Hillocks, and M. N. Maruthi. "The Symptom and Genetic Diversity of Cassava Brown Streak Viruses Infecting Cassava in East Africa." Advances in Virology 2012 (2012): 1–10. http://dx.doi.org/10.1155/2012/795697.

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The genetic and symptom diversity of six virus isolates causing cassava brown streak disease (CBSD) in the endemic (Kenya, Mozambique, and Tanzania) and the recently affected epidemic areas (Uganda) of eastern Africa was studied. Five cassava varieties; Albert, Colombian, Ebwanateraka, TMS60444 (all susceptible) and Kiroba (tolerant) were graft inoculated with each isolate. Based on a number of parameters including the severity of leaf and root symptoms, and the extent of virus transmission by grafting, the viruses were classified as either severe or relatively mild. These results were further
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7

Rossitto De Marchi, Bruno, Tonny Kinene, Renate Krause-Sakate, et al. "Genetic diversity and SNP’s from the chloroplast coding regions of virus-infected cassava." PeerJ 8 (March 2, 2020): e8632. http://dx.doi.org/10.7717/peerj.8632.

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Cassava is a staple food crop in sub-Saharan Africa; it is a rich source of carbohydrates and proteins which currently supports livelihoods of more than 800 million people worldwide. However, its continued production is at stake due to vector-transmitted diseases such as Cassava mosaic disease and Cassava brown streak disease. Currently, the management and control of viral diseases in cassava relies mainly on virus-resistant cultivars of cassava. Thus, the discovery of new target genes for plant virus resistance is essential for the development of more cassava varieties by conventional breedin
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Musungayi, Eric Mpongolo, Kahiu Ngugi, James Wanjohi Muthomi, et al. "Evaluation of Resistance of Cassava Half-Sib Progenies to Cassava Mosaic Disease and Their Agronomic Performances in Western Kenya." Journal of Agricultural Science 10, no. 12 (2018): 78. http://dx.doi.org/10.5539/jas.v10n12p78.

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Cassava mosaic disease (CMD) caused by Bemisia tabaci is among the major contributors to low cassava yield in Africa and therefore requires instituting control measures. Due to genetic diversity in cassava, only clones with superior agronomic traits, disease resistance and high yield are selected and released to farmers or deployed in breeding program. This study was conducted to evaluate the resistance of cassava half-sib families to CMD. Field trials were conducted at Kenya Agricultural and Livestock Research Organization (KALRO), at Kakamega and Alupe research stations in western Kenya from
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Kawuki, R. S., L. Herselman, M. T. Labuschagne, et al. "Genetic diversity of cassava (Manihot esculenta Crantz) landraces and cultivars from southern, eastern and central Africa." Plant Genetic Resources 11, no. 2 (2013): 170–81. http://dx.doi.org/10.1017/s1479262113000014.

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Studies to quantify genetic variation in cassava germplasm, available within the national breeding programmes in Africa, have been limited. Here, we report on the nature and extent of genetic variation that exists within 1401 cassava varieties from seven countries: Tanzania (270 genotypes); Uganda (268); Kenya (234); Rwanda (184); Democratic Republic of Congo (DRC; 177); Madagascar (186); Mozambique (82). The vast majority of these genotypes do not exist within a formal germplasm conservation initiative and were derived from farmers' fields and National Agricultural Research Systems breeding p
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10

Ogbe, F. O., G. I. Atiri, D. Robinson, et al. "First Report of East African Cassava Mosaic Begomovirus in Nigeria." Plant Disease 83, no. 4 (1999): 398. http://dx.doi.org/10.1094/pdis.1999.83.4.398a.

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Cassava (Manihot esculenta Crantz) is an important food crop in sub-Saharan Africa. One of the major production constraints is cassava mosaic disease caused by African cassava mosaic (ACMV) and East African cassava mosaic (EACMV) begomoviruses. ACMV is widespread in its distribution, occurring throughout West and Central Africa and in some eastern and southern African countries. In contrast, EACMV has been reported to occur mainly in more easterly areas, particularly in coastal Kenya and Tanzania, Malawi, and Madagascar. In 1997, a survey was conducted in Nigeria to determine the distribution
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Dissertations / Theses on the topic "Cassava – Varieties – Kenya"

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Kamau, Joseph Wainaina. "Participatory-based development of early bulking cassava varieties for the semi-arid areas of Eastern Kenya." Thesis, 2006. http://hdl.handle.net/10413/4091.

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Cassava (Manihot esculenta Crantz) is an important food security crop in the semi-arid areas of Eastern Kenya. It provides food for more days in a calendar year than any other crop grown. Kenya has relied on varieties bred in other countries and because of this, local breeding methodologies and expertise are lacking. Access to appropriate varieties and adequate planting materials are major limiting factors to cassava production. Farmers grow late bulking landraces that take up to 18 mo to harvest. Efforts to introduce early bulking genotypes from IITA failed because of poor end-use quality. Lo
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Were, Woyengo Vincent. "Cassava breeding through complementary conventional and participatory approaches in western Kenya." Thesis, 2011. http://hdl.handle.net/10413/8573.

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Participation of farmers in plant breeding programmes has been reported to increase breeding efficiency. Farmers’ participation bridges the gap between variety development and dissemination and provides an opportunity for farmers to select varieties they prefer. The breeders on the others hand learn more about the farmers’ preferences and the environment in which the new varieties will be grown. However, the advantages of participatory breeding can best be realized when farmers’ indigenous technical knowledge (ITK) and experience complement the breeder’s scientific knowledge and skills. Cassav
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Book chapters on the topic "Cassava – Varieties – Kenya"

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Githunguri, C. M., and E. N. Njiru. "Role of Cassava and Sweetpotato in Mitigating Drought in Semi-Arid Makueni County in Kenya." In African Handbook of Climate Change Adaptation. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45106-6_11.

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AbstractCassava and sweetpotato are major factors in food security across sub-Saharan Africa. Though cassava and sweetpotato varieties that are early maturing and resistant to diseases have been developed, many farmers still grow local varieties. Cassava and sweetpotato cultivars that mature between 6 and 12 and 3 and 4 months after planting, respectively, are available. The objective of the synthesis was to obtain a general overview of cassava and sweetpotato production in Matiliku subcounty of Makueni County in semi-arid eastern Kenya before the establishment of a seed system for them. Participatory rural appraisal and focused group discussions with key stakeholders in Makueni County on the current status of these crops provided very useful information. It was observed that there are a few early cassava and sweetpotato adopters, meaning a lot of effort in communicating the need to commercialize them needs to be made. Even though the farmers had sufficient experience in growing them at subsistence level, they were searching for cultivars that combine both nutritional and food security. There is a need to engage more extension service providers in order to campaign on their adoption. There is a need to carryout training and awareness creation on their role in food security and wealth creation.
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Journal articles
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