Browsing School of Agriculture, Natural Resources and Environmental Studies by Author "Gudu, Samuel"
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Adoption of Drought Tolerant Sorghum in Western Kenya
Ouma, Evans Ochieng; Kisinyo, Peter; Gudu, Samuel; Mugalavai, Violet; Nyangweso, Peter; Onkware, Augustino (Moi University Press, 2012)Food and nutritional insecurity are responsible for poverty and low livelihoods of about 33% of people living in western part of Kenya. This is against MDG1. The production of sorghum which is a staple food crop is below ... -
Aluminum tolerance mechanisms in Kenyan maize germplasm are independent from the citrate transporter ZmMATE1
Matonye, Thomas K.; Gudu, Samuel; Kisinyo, Peter; Matonye, Thomas K.; Barros, Beatriz A.; Ouma, Evans Ochieng; Cheprot, Reuben K.; Apolinário, Leandro C.; Ligeyo, Dickson O.; Costa, Marcella B. R.; Were, Beatrice Ang’iyo; Onkware, Augustino; Noda, Roberto W.; Magalhaes, Jurandir V.; Guimaraes, Claudia T. (Scientific Reports, 2020) -
Development of maize single cross hybrids for tolerance to low phosphorus
Gudu, Samuel; Kisinyo, Peter; Ouma, Evans Ochieng; Ligeyo, Dickson; Matonyei, Thomas; Were, Beatrice Ang’iyo; Agalo, Joyce; Too, Emily; Onkware, Augustino; Okalebo, John; Othieno, Caleb (2015-08-21)Low available phosphorus (P) is one of the major hindrances to maize (Zea mays L.) productivity in acid soils. The objectives of this study were to: (1) develop P-efficient maize inbred lines, (2) develop single cross ... -
Effect of ridging and intercropping on sorghum productivity in arid and semi arid lands of eastern Kenya
Gudu, Samuel; Musyimi, David; Ouma, Enock (African crop science society, 2022-02-28)Soil moisture deficit is a key constraint to sorghum (Sorghum bicolor) productivity in arid and semi arid lands globally. The objective of this study was to determine the effect of ridging and sorghum bean intercropping ... -
Effects of lime, phosphorus and rhizobia on Sesbania sesban performance in a Western Kenyan acid soil
Kisinyo, Peter; Othieno, Caleb; Gudu, Samuel; Okalebo, J. R.; Opala, P. A.; Maghanga, J. K.; Agalo, Jerry; Ng'etich, W. K.; Kisinyo, Joyce; Osiyo, R. J.; Nekesa, A. O.; Makatiani, E. T.; Odee, D. W.; Ogola, B. O. (2015-07-21)Aluminium (Al) toxicity, phosphorus (P) deficiency and low rhizobia populations limit Sesbania (Sesbania sesban) performance in tropical acid soils. The study determined the i) indigenous rhizobia populations that nodulate ... -
Enhancing Maize Grain Yield in Acid Soils of Western Kenya Using Aluminium Tolerant Germplasm
Ouma, Evans Ochieng; Ligeyo, Dickson; Matonyei, Thomas; Agalo, Joyce; Were, Beatrice Ang’iyo; Too, Emily; Onkware, Augustino; Gudu, Samuel; Kisinyo, Peter; Nyangweso, Philip (2015-07-21)Abstract: Maize (Zea mays L.) is one of the world’s most important cereals and is a staple food for many people in developing countries. However, in acid soils (pH < 5.5), its productivity is limited by aluminium (Al) ... -
Genetic Effects for Maize P Efficiency Traits in Acid and Non-acid Soils of Western Kenya
Ouma, Evans Ochieng; Gudu, Samuel (American Journal of Experimental Agriculture, 2015)Soil acidity is a major constraint to maize (Zea mays L.) productivity in tropical soils due to toxic levels of aluminium (Al) and phosphorus (P) deficiency. The objectives of this study were ... -
Immediate and residual effects of lime and phosphorus fertilizer on soil acidity and maize production in western Kenya
Kisinyo, Peter; Othieno, Caleb; Gudu, Samuel; Okalebo, J. R; Opala, P. A.; Ng'etich, W. K.; Nyambati, R.O.; Ouma, Evans Ochieng; Agalo, Jerry; Kebeney, S.J; Too, E.J; Kisinyo, Joyce; Opile, W.R. (2015-08-21)Soil acidity and phosphorus (P) deficiency are some of the major causes of low maize yields in Kenya. This study determined the immediate and residual effects of lime and P fertilizer on soil pH, exchangeable aluminium ... -
Micro-Dosing of Lime, Phosphorus and Nitrogen Fertilizers Effect on Maize Performance on an Acid Soil in Kenya
Kisinyo, Peter; Gudu, Samuel; Palapala, Valerie; Opala, P. A.; Othieno, Caleb; Ouma, Evans Ochieng (Sustainable Agriculture Research, 2015-03-17)High cost of inorganic fertilizers and lime has precluded their use by smallholder farmers to remedy the problem of soil acidity and infertility in Kenya. To address the problem, we tested a precision technique referred ... -
Molecular markers associated with aluminium tolerance in Sorghum bicolor
Too, Emily Jepkosgei; Anders S. Carlsson; Were, Beatrice Ang’iyo; Gudu, Samuel; Onkware, Augustino; Mulatu, Geleta (Hereditas, 2018)Background: Sorghum (Sorghum bicolor, L. Moench) production in many agro-ecologies is constrained by a variety of stresses, including high levels of aluminium (Al) commonly found in acid soils. Therefore, for such soils, ... -
New genomic regions associated with aluminum tolerance in a Kenyan corn population
Gudu, Samuel; Ouma, Evans Ochieng; Guimarães, RGN; Matonyei, T; Tinoco, CFS; Ligeyo, D; Mendes, FF; Magalhães, JV; Guimarães, CT (2018) -
Nutrient composition of Sorghum-Based Rations and their effect on growth of Improved Indigenous Chicken in Western Kenya
Kiptui, Brenda Jemutai; Mewa, Eunice Akello; Rachuonyo, Harold Anindo; Were, Beatrice Ang’iyo; Gudu, Samuel (East African Journal of Agriculture and Biotechnology, 2024)Improved indigenous chicken contribute to the nutrition of farmers in rural communities. The use of maize as an energy source in chicken diets is becoming unacceptable due to competition from humans, resulting in high ... -
Performance of Leucaena leucocephala, Seedlings in Two Agro-climatic Regions of Kenya
Gudu, Samuel; Palapala, Valerie; Kodiango, R. (Journal of Agriculture and Ecology Research International, 2016-02-17)A study was conducted to determine the response of Leucaena seedlings planted in two variant agro-climatic regions, Chepkoilel Campus and Maseno in Kenya. The experiment was a 2-factor (provenance – site) split plot ... -
Phosphorus Sorption and Lime Requirements of Maize Growing Acid Soils of Kenya
Kisinyo, Peter; Othieno, Caleb; Gudu, Samuel; Okalebo, J. R.; Opala, P. A.; Maghanga, J. K.; Ng'etich, W. K.; Agalo, Joyce; Opile, R.W.; Kisinyo, Joyce; Ogola, B. O. (2015-08-21)In Kenya, maize (Zea mays L.) is mainly grown on acid soils in high rainfall areas. These soils are known for low available phosphorus (P), partly due to its sorption by aluminium (Al) and iron oxides. The study ... -
QTLs Associated with Aluminum Tolerance in a Kenyan Maize Population
Ouma, Evans Ochieng; Gudu, Samuel; Guimarães, RGN; Matonyei, T; Tinoco, CFS; Ligeyo, D; Mendes, FF; Magalhães, JV; Guimarães, CT (2015) -
Recent advances towards understanding and managing Kenyan acid soils for improved crop production
Kisinyo, Peter; Palapala, Valerie Adema; Gudu, Samuel; Opala, P. A.; Othieno, Caleb; Okalebo, J.R.; Otinga, A.N. (African Journal of Agricultural Reseach, 2014-06-18) -
Response of Sorghum (Sorghum bicolor (L.) Munch) and Chemical Characteristics of Soil to Organic and Inorganic Fertilizers on Kenyan Lower Midlands Acid Soil
Kisinyo, Peter; Opala, P. A.; Gudu, Samuel (International Journal of Plant & Soil Science, 2019-05-17)Soil acidity, low level of nitrogen (N), phosphorus (P) and soil organic matter are major constraints to sorghum production in Kenya. We investigated the effect of farmyard manure (FYM) and combined application of inorganic ... -
Screening of maize single cross hybrids for tolerance to low phosphorus
Ouma, Evans Ochieng; Gudu, Samuel; Agalo, Joyce; Matonyei, Thomas; Ligeyo, Dickson (2011) -
Screening Selected Maize Single Crosses for Tolerance to Low P in Acidic Soils of Bumala and Maseno
Gudu, Samuel; Ochuodgo, J; Olung’ati, O.E,Kiplagat O. (2018)Generally, 13% of Kenya’s arable land mass (7.5 million ha) is acidic and prone to poor phophorus (P) availability and soil acidity. This results in crop yield losses due to the direct adverse effects Aluminium toxicity ...