African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6836

AJAR Articles

Productivity impact of growth enhancement support scheme on maize farm households in Kano State, Nigeria

January 2020

In Nigeria, farmers depend on government support for farm inputs in form of subsidies to improve farmers productivity and food security. In this article, the productivity impact of the Growth Enhancement Support Scheme (GESS) farm input subsidy support program that was  implemented in 2011. The study employs a two-stage probability design with stratification was used to collect household survey data from 390...

Author(s): Tiri G. D., Mlay G. I. and Roselyne A.  

Screening of chickpea genotypes for resistance to Fusarium wilt (Fusarium oxysporum f.sp. ciceris) under field conditions in Ethiopia

January 2020

Fusarium wilt is one of the economical important vascular root diseases affecting chickpea. A total of 427 chickpea germplasms were grouped into two types, desi type (385) and kabuli. 42 genotypes were evaluated to identify fusarium wilt resistant sources in Debre Zeit sick plot under natural infected field. The genotypes were grown in 2017/18 main cropping season and augmented design was used without replications;...

Author(s): Asrat Zewdie and Tolesa Bedasa  

Molecular profiling of growth hormone in the juvenile hybrid grouper (Epinephelus fuscoguttatus ♀× Epinephelus polyphekadion ♂)

January 2020

Many factors contribute to the underdevelopment of oceanic aquaculture. The most significant factor of the development of hybrid grouper culture is the supply of satisfactory quantities of fast growing juveniles to stock grow-out systems at a minimized cost. In order to evaluate the growth hormone status of hybrid grouper (Epinephelus fuscoguttatus â™€× Epinephelus polyphekadion ♂), cDNA encoding growth hormone...

Author(s): Eric Amenyogbe, Gang Chen,  Jian Sheng Huang, and Zhongliang Wang,  

Evaluation of yield and yield components of low n maize (zea mays l.) varieties under low and high nitrogen conditions

January 2020

Field studies were conducted at the teaching and research farm of the Osun State University Ejigbo Campus, Osun State, Nigeria, during the 2015 and 2016 cropping seasons to determine the agronomic performance of low N maize varieties under two nitrogen conditions (low and high). The aim of this experiment was to determine the response of low N maize to two levels of nitrogen fertilizer. Ten low N maize varieties were...

Author(s): M. S. Afolabi, M. A. Murtadha, W. A. Lamidi, J. A. Abdul Waheed, A. E Salami and O. B. Bello  

Expression profile of sex steroid hormone estrogen receptors (ERs) in the development of juvenile hybrid grouper (Epinephelus fuscoguttatus ♀ × Epinephelus polyphekadion ♂)

January 2020

Recognized for its traditional roles, estrogen is ever-present in all vertebrates, regulates reproduction by binding and activating estrogen receptors (ERs), and also controls several functions of vertebrates, including reproductive immune, and central nervous systems. In order to access any other possible functions of the estrogen receptors in the development of the juvenile Hybrid grouper (Epinephelus fuscoguttatus...

Author(s): Eric Amenyogbe, Gang Chen, Zhongliang Wang, JianSheng Huang, Xiaoying Lu, Mingde Lin, and Zhi Xiong Guo,  

Yield responses of bush bean varieties to different planting densities and rates of phosphorous fertilizer

January 2020

Common bean is commonly grown by smallholder farmers under quite diverse farming systems and it is for both food security and income generation. The impact of plant density is important to bean growers for yield optimization and the inadequate source of phosphorus leads to low productivity due to its significant in growth and development. This study focused on determining optimal spacing of different bush bean varieties...

Author(s): Deodatus Stanley Kiriba, John Wilfred Msaky, Nestory Shida Mahenge, Samwel Paul, Godfrey Adolph Kessy, Edith Kadeghe and Papias Hongera Binagwa,  

Economic assessment of biological weed control using cover crop mixtures in maize production

January 2020

The economics of using mixtures of  a vegetable cowpea, Vigna unguiculata subsp. sesquipedalis L., known locally as ‘Akidi’ (A) in Eastern Nigeria, melon (M) and sweet potato (S) Ipomea batatas  for weed management in maize were evaluated  between 2007 and  2009 in Taraba State, College of Agriculture Teaching and Research Farm, Jalingo, Treatments include 20,000(1), 30,000(2) and...

Author(s): Chukudi Goddey Michael  

Sources of productivity growth in Ethiopian agriculture

January 2020

In Ethiopia, agricultural production and productivity are very low, and hence increase in production and productivity are vital to meet increasing food demand.  This study identifies and quantifies the main sources of productivity growth in Ethiopian agriculture using the translog (TL) stochastic input distance function and the Ethiopian Rural Household Survey (ERHS) panel dataset. The true fixed effects (TFE)...

Author(s): Anbes Tenaye  

Evaluation of the pH of solid residues generated in the cellulose industry adequate to the sludge hygienization for use in agriculture

January 2020

This paper looks into the possibility of using solid residues generated in the cellulose production process to hygienize sewage sludge for fertilization. During the cellulose fabrication process, dregs, grits and vegetable biomass ashes are generated. Seven experiments were conducted in the Hydraulic Research Institute´s laboratory at UFRGS, in order to determine the pH values of the three residues in...

Author(s): Saidelamine Abibe Mahadal and Gino Roberto Gehling  

Management strategies for the noxious invasive parthenium weed (Parthenium hysterophorus L.) in Uganda

January 2020

Parthenium weed is a noxious invasive species that has negative effects on agriculture and also causes allergic reactions in humans. The goal of this study was to evaluate several management strategies for parthenium weed and assess the suitability of each control measure for farmers, and other stakeholders in Uganda. Field experiments were conducted in a completely randomized design, and the quadrat sampling method...

Author(s): Martha Ibore Natukunda, Kevin Natukunda, Gerald Kyeyune, Sharon Mbabazi Tusiime, Isaac Agbemafle and Jenipher Bisikwa  

Effect of vermicompost on growth, quality and economic return of garlic (Allium sativum L.) at Haramaya District, Eastern Ethiopia

December 2019

Garlic (Allium sativum L.) is an important vegetable crop in Ethiopia. The yield of the crop is often constrained by low and unbalanced nutrient supply in the soil. This study was undertaken to assess effect of vermicompost (VC) on growth, quality and economic return of garlic variety Chelenko I during 2016 main rainy season in Haramaya University main campus, Ethiopia. The treatment consisted of four levels of...

Author(s): Fikru Tamiru Kenea and Fikreyohannes Gedamu  

Consumers’ awareness of the presence of pathogenic bacteria and pesticide residues on tomatoes sold in Nairobi

December 2019

Tomato consumed worldwide for its vitamins and bioactive elements can harbor postharvest bacteria and pesticide residues. A cross-sectional survey using a semi-structured questionnaire was done in 101 households in Kangemi assessing consumers’ awareness on pesticide residues and bacterial presence on tomatoes sold in Nairobi. Questionnaire was administered in Kangemi during weekends, systematic random sampling was...

Author(s): J. H. Nguetti, J. K. Imungi, M. W. Okoth, E. S. Mitema, W. F. Mbacham and J. Wang’ombe  

Additive main effects and multiplicative interaction (AMMI) and genotype main effect and genotype by environment interaction (GGE) biplot analysis of large white bean (Phaseolus vulgaris L.) genotypes across environments in Ethiopia

December 2019

Undertaking a multi-environment trial prior to releasing a high yielding and stable varieties for a specific environment is a major step in plant breeding. Therefore, the objective of this work was to study the effect of Genotype × Environment Interaction (GEI) and evaluate the adaptability and stability of sixteen large white common bean genotypes. Additive main effects and multiplicative interaction (AMMI) and...

Author(s): Abel Moges Firew, Berhanu Amsalu and Dagmawit Tsegaye  

Community based participatory forest resources management practices in Chilimo forest, Dendi District, West Shewa Zone, Oromia Regional State, Ethiopia

December 2019

This research has made an endeavor to analyze the practices of community based participatory forest management and its impacts on the incomes of the forest user groups and the forest cover of Chilimo forest, Dendi District, Ethiopia. 380 households were selected from seven peasant association proportionally and simple random sampling was adopted to choose the sample households from each peasant association. Both...

Author(s): Dereje Mengist and Mulugeta Alemu  

Effects of bio-stimulants on the yield of cucumber fruits and on nutrient content

December 2019

The aim of the experiment was to assess the effect of bio-stimulants of different composition (Asahi SL - based on three nitrophenol compounds, naturally occurring in plants, as active ingredients; Optisil – mineral growth stimulant containing 24 g L-1 of Fe and 200 g L-1 of SiO2; Kelpak SL – manufactured from Ecklonia maxima and containing auxins and cytokinins) on the content of macronutrients and...

Author(s): Maria Ługowska  

Livelihood diversification and it’s determinants on rice farming households in Ogun State, Nigeria.

December 2019

This study assesses the nexus between livelihood diversification, technology adoption and food security status among rice farm households in the Ogun State. A multistage sampling technique was used to select two Agricultural Development Programme zones (Ikenne and Abeokuta zones) in the state. Purposive selection of two blocks per zone based on the concentration of rice farmers was done. Six farming cells were randomly...

Author(s): O. J. Afodu, C. A. Afolami, O. E. Akinboye, L. C. Ndubuisi-Ogbonna, T. A. Ayo-Bello, B. A. Shobo and D. M. Ogunnowo  

The role of soil nutrient ratios in coffee quality: Their influence on bean size and cup quality in the natural coffee forest ecosystems of Ethiopia

December 2019

Nutrients are essential for plant growth and development, and soil nutrient ratios play key roles in coffee quality. The objective of this study was to investigate the influence of soil nutrient ratios on the quality of wild Arabica coffee in Ethiopia. Results revealed that the balance between the soil nutrients was well correlated with coffee quality attributes. The balance between magnesium and calcium (Mg:Ca) and the...

Author(s): Abebe Yadessa,, Juergen Burkhardt, Endashaw Bekele, Kitessa Hundera and Heiner Goldbach  

The performance of selected commercial organic fertilizers on the growth and yield of bush beans in Central Uganda

December 2019

To assess the quality of commercial organic fertilizers in Uganda market, a quick survey was conducted to establish the organic fertilizers being sold in Container village market in Kampala Capital City.   Different products were found being sold as organic fertilizers. Four of these fertilizers are two solid (Biochar and Fertiplus) and two liquid (Biogrow and Digrow) selected for a field study.  Field...

Author(s): Tugume Esau, Byalebeka John and Mwine Julius  

Behavior of nursing Apis mellifera after application of entomopathogenic fungi to control Varroa destructor

December 2019

To study the possible use of fungi to control Varroa destructor Anderson & Trueman, a parasitic mite of Apis mellifera L., without effects on its pollinator’s behavior, the entomopathogenic fungi Beauveria bassiana (Balsamo) Vuillemin and Metarhizium anisopliae (Metschnikoff) were applied at 30ºC in the dark, at 108 conidia/mL, a concentration known previously for its pathogenicity on V. destructor. Both...

Author(s): Jaime E. Araya, Josefina Mas and Francisco Zuazúa  

Suitability of biosolids from university sewage ponds as a substrate for crop production

December 2019

Currently, sewage waste management is a serious environmental problem and one of the major growing concerns for urban areas all over the world. Utilization of biosolids (BS) for crop production may be a sustainable waste management strategy. The present study evaluated the physico-chemical and biological characteristics of biosolids from sewage ponds at Egerton University, Kenya. This was to determine its suitability...

Author(s): Peter Caleb Otieno, Samuel Nyalala and Joseph Wolukau  

An analysis of socioeconomic factors affecting avocado production in saline and flooded areas around Lake Victoria Basin of Western Kenya

December 2019

Avocado (Persia americana) a very important crop worldwide nutritionally and economically. In Kenya avocado does not thrive well in soils with high salinity, flooded or waterlogged areas. Survey was conducted around Lake Victoria Basin in Kenya to establish socioeconomic factors and flooding that affects its production. A sample of 400 households was interviewed using structured questionnaire, focus group discussions...

Author(s): Ouma George, George Duncan Odhiambo, Samuel Wagai and Johnson Kwach  

Indigenous rhizobia strains: The silver bullet for enhanced biological nitrogen fixation and soybean (Glycine max (L.) Merr. ) yield under different soil conditions in South Kivu province, Democratic Republic of Congo

December 2019

Soybean is an important crop in the Democratic Republic of Congo, a country faced with high levels of war induced malnutrition but its productivity is limited by poor soil fertility coupled with low access to nitrogen mineral fertilizers. Commercial rhizobia strains introduced in 2010 failed to adapt and increase soybeans yields at desired level. We studied the performance of six indigenous rhizobia strains in enhancing...

Author(s): Ndusha Bintu Nabintu, Onwonga Richard Ndemo, Nabahungu Leon Sharwasi, Mushagalusa Nachigera Gustave, Matendo Rehema Esther and Keya Shellemia Okoth

Effects of probiotic-treated rice straw on blood parameters and gut microbes of heifers

December 2019

The study investigated the effects of probiotic treatment on nutrient content of rice straw and its impact on blood parameters and gut microbes of heifers. Eight Holstein crossbred heifers with initial average body weight (BW) of 180.25±21 kg were used in this study. The experimental period lasted for 33 days of feeding, of which 5 days were adjustment period. The treatments included feeding of untreated rice...

Author(s): Abu Sadeque Md. Selim, Mahbub Sobhan, Mueena Jahan, Md. Morshedur Rahman, Md. Kaosar Niaz Bin Sufian and Shilpi Islam  

Effects of fungicide treatments against Anthracnose in Calabrian (southern Italy) Olive Orchards during 2014-2015

December 2019

In recent years, severe natural olive anthracnose infections have been observed in orchards of Southern and Central Italy, favoured by mild and rainy seasonal trends, making disease control with the sole use of copper fungicides difficult. Besides, European restrictions in the use of copper compounds for eco-toxicological aspects have forced researchers towards the use of available plant protection products. Thus, 2...

Author(s): Veronica Vizzarri, Francesco Zaffina, Massimiliano Pellegrino, Tiziana Belfiore and Laura Tosi  

Appropriate fertilizer (NPK) rates for cassava (Manihot esculenta Crantz) production in the humid forest agro-ecological zone of Cameroon

December 2019

The objective of this study was to test for appropriate quantity of fertilizer (NPK 12-11-18) required to boost the production of cassava (variety TME 419) in the forest zone of Cameroon. The trial was conducted at the experimental farm of the Institute of Agricultural Research for Development (IRAD) in Mbalmayo. The experimental design was completely randomized block design in three replicates. The treatments were as...


Evaluation of cocoa mirid (Distantiella theobroma Dist. and Sahlbergella singularis Hagl.) control practices in Côte d’Ivoire

December 2019

Rapid pod damage evaluations were performed in four cocoa producing regions in Côte d’Ivoire to assess the severity and regional variability of the mirid pest problem. We further tested the impact of three insecticide products at two different dosages, applied at two different periods on cocoa pod production and mirid infestation on sixty cocoa farms. It was found that in Côte d’Ivoire, cocoa...

Author(s): Wouter Vanhove, Luc Affoli N’Guessan Toussaint, Alexandre Kaminski and Patrick Van Damme,  

Milk production, marketing practices and qualities along milk supply chains of Haramaya District, Ethiopia

December 2019

A study was conducted with the aim of evaluating the physicochemical properties and microbial qualities of raw cow’s milk along the milk supply chain in Haramaya district. A total of 123 smallholder dairy producers, one dairy cooperative, 3 milk collectors, 6 milk retailers, 8 selling points and 18 consumers were interviewed using a semi-structured questionnaire. Sixty raw milk samples were used for...

Author(s): Mitiku Eshetu, Mekdes Seyoum and Yesihak Yusuf Mummed  

Molecular characterization of some brinjal genotypes (Solanum melongena L) using simple sequence repeat (SSR) markers

December 2019

To analyze genetic variability of 48 brinjal genotypes by Simple Sequence Repeat (SSR) markers, four primers named smSSR01, smSSR03, smSSR11 and smSSR14 were selected for analyze the data. Four primers generated clear bands and a total of 44 alleles were detected among the 48 brinjal genotypes (9.0 to 14.0 alleles per locus with a mean of 11.0 alleles per locus). According to Nei’s (1973), the highest level of...

Author(s): Farid Ahmed, Md. Golam Rabbani, Md. Rafiqul Islam, Mostafezur Rahman, Md. Abdul Malek, Mirza Mofazzal Islam and Reza Mohammad Emon  

Effect of pesticides on Exopolysaccharide (EPS) production, antibiotic sensitivity and phosphate solubilization by Rhizobial isolates from Sesbania bispinosa in Bangladesh

November 2019

Rhizobium spp. retains a symbiotic relationship with leguminous plants including Sesbania bispinosa by fixing N2 through nodule formation. Several researches suggest that Exopolysaccharides (EPSs) are required for nodule formation. Rhizobial growth parameters as well as the EPS production are affected by the presence of pesticides. The present investigation was performed using three different pesticides which were...

Author(s): Tania Sultana, Anowara Begum and Humaira Akhter  

Impact of DroughtTEGO® hybrid maize variety on agricultural productivity and poverty alleviation in Kenya

November 2019

Impact of DroughtTEGO® maize hybrids on agricultural productivity and poverty reduction among small-scale maize farmers were analyzed using 642 households in Kenya. The Water Efficient Maize for Africa (WEMA) project coordinated by the African Agricultural Technology Foundation (AATF) developed the varieties. While on-farm production output and farmers’ testimonies indicate significantly high productivity over...

Author(s): George Marechera, Ibrahim Macharia, Grace Muinga, Stephen Mugo, Ruth Rotich, Ruth Khasaya Oniang&#;o, James Karanja, Caleb Obunyali and Sylvester O. Oikeh  

Disparities and influential factors to men’s and women’s involvement in freshwater aquaculture in Madagascar

November 2019

This research identifies the factors determining the individual decision to get involved in the aquaculture sector for both men and women through a case study in Madagascar. A rich body of scholarly literature shows that women play an important contribution in the aquaculture sector, particularly in South Asia and Africa. The literature shows that multiple factors, such as lack of access to assets and gender norms,...

Author(s): Miarisoa Razafindrabe, Hiroaki Sugino, Hiroe Ishihara and Nobuyuki Yagi  

Entomocidal activity of some plant extracts against Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae)

November 2019

Entomocidal activity of ethanolic leaf extracts of four plant species namely Euphorbia balsamifera Aiton, Lawsonia inermis L., Mitracarpus hirtus (L.) DC. and Senna obtusifolia L. were evaluated in order to assess their protectant ability to stored sorghum against Sitophilus zeamais Motsch. The botanicals were applied to 20 g of sorghum grains at the rate of 25, 50 and 100 mgml-1, while no extracts was added to the...

Author(s): Suleiman M., Sani I., Yusuf A. M. and Abdullahi B. K.  

Influence of mineral nutrition on plant development and chemical composition of volatile oils of Porophyllum ruderale (Jacq.) Cass subspecies

November 2019

The objective of this study was to find out the influence of soil nutrition on the composition of volatile oils of Porophyllum ruderale subsp. macrocephalum and Porophyllum ruderale subsp. ruderale. The seedlings were transplanted into pots containing sand as substrate. Every seven days, different Hoagland solutions were applied: Complete solution and solution lacking, respectively nitrogen, phosphorus, potassium,...

Author(s): Rodrigues D. S., Leporini N., Raggi L., Zara K. R. and Young M. C. M.  

Transforming smallholder agriculture through cooperatives for improving households’ food security at OR Tambo District Municipality, South Africa

November 2019

Agriculture is a primary source of food, employment and income in rural households. Agricultural cooperatives have been regarded as possible vehicles in achieving these objectives. Small holder farming in the OR Tambo District Municipality has marginally been performed in contributing to households’ food security. Research indicates that there are many factors affecting agricultural cooperative development and...

Author(s): Cishe B. E. and Shisanya S. O.  

Dynamics of weed biomass on yield and yield component stability of maize under various weed management strategies

November 2019

Weed is a very significant enemy of crop production. Its density, diversity and the interaction complexes on the yield and yield component of maize cv “Quality protein” were investigated in the present study. The experiment was laid out in randomized complete block design (RCBD) containing five weed management strategies and a weedy check as treatments in 2015 and 2016. Data were collected on weed density,...

Author(s): Adewale B. Daniel and Badmus A. Adesile  

Yield of different varieties of cassava (Manihot esculenta Crantz) in different harvest intervals

November 2019

This experiment was installed in the experimental plot of the Faculty of Agrarian Sciences, National University of Asunción Department of Amambay, Paraguay, with the objective of evaluating the yield of four varieties of cassava in three harvest intervals. The experimental design was randomized blocks, with four treatments (Seda, Pomberi, Sa’yju and Tacuara) and five repetitions. The spacing was 0.8 x 0.7...

Author(s): Wilfrido Meza Giménez, Sonia Liliana Recalde Sanabria, Gustavo Daniel Vega Britez, Sixto Barreto Pérez, Derlys Salinas Cohene, José Augusto Velazquez Duarte, Victorina Barreto Pérez, Laiana Patricia Paredes Lopes and Nelson David Lesmo Duarte  

Evaluation of yield and yield components of some groundnut genotypes under rainfed condition in Mali using biplot analysis

November 2019

Sixteen groundnut genotypes were evaluated under three different environmental conditions of Mali during 2015/2016 rainy season. The environments were Tioribougou, Djijan and Samanko affiliated at International Crops Research Institute for the Semi-Arid Tropics (ICRISAT). The experiments were conducted in a 2×8 alpha lattice with three replications. Within the environment, the main effect of a genotype was...

Author(s): Ousmane Sanogo, Pangirayi B. Tongoona, Kwadwo Ofori, Samuel K. Offei and Haile Desmae  

Genotype×environment interaction and stability analysis of soybean genotypes for yield and yield components across two locations in Nigeria

November 2019

A multilocational evaluation of 20 soybean genotypes was conducted in two distinct locations (Nsukka in Derived Savanna agro-ecology and Jalingo in northern Guinea Savanna) of Nigeria in 2015 and 2016 cropping seasons. The main objective of this study was to assess the genotype-by-environment interaction (G x E) for specific traits such as number of pods, pod weight, seed yield and yield stability. The results revealed...

Author(s): Jandong, E. A., Uguru, M. I. and Okechukwu, E. C.  

Determinant of groundnut (Arachis hypogaea L.) yield improvement in the farmers’ cropping systems in Benin

November 2019

Groundnut is an important crop in the farmers’ cropping systems of Benin and one of the selected crops to be promoted by Benin Government. The aim of the present study is to analyze the traditional groundnut cropping systems in Benin. Farmers’ socio-economic characteristics, cropping practices, farmers’ perceptions of climate change manifestations on groundnut were information collected using an open...

Author(s): Faki O. Chabi, Gustave D. Dagbenonbakin, Brice T. Oussou and Saïdou A.  

Effects of recommended improved crop technologies and socio-economic factors on coffee profitability among smallholder farmers in Embu County, Kenya

November 2019

This study was carried out to determine the combined effects of recommended production technologies and farmer characteristics on coffee profitability at the farm level in Embu County, Kenya, using the profit function approach. Data were collected using semi structured questionnaires from a sample of 376 farmers who were randomly selected from six cooperative societies, using multistage stratified and probability...

Author(s): Daniel M. Wambua, Samuel N. Ndirangu, Lucy K. Njeru and Bernard M. Gichimu  

Gastrointestinal nematodiasis in Ethiopian sheep under community-based breeding program

November 2019

Gastrointestinal nematodes (GIN) are amongst the main health and production problems in sheep throughout the world. Faecal egg count (FEC) and FAffa MAlan CHArt (FAMACHA) score can be used as indictors to select genetically resistant animals against the infections. This study was undertaken to (1) determine intensity of and the factors associated with GIN infections in Ethiopian sheep under communal breeding program,...

Author(s): Solomon Shiferaw Tufa, Gábor Mészáros, Aynalem Haile, Joram Mwacharo, Maria Wurzinger and Johann Sölkner

Socioeconomic and ecological consequences of Parthenium weed (Parthenium hysterophorus L.) in Boset Woreda, Ethiopia

November 2019

Parthenium weed (Parthenium hysterophorus L.), an invasive alien species, has been spreading at alarming rate in Ethiopia, causing biodiversity degradation, yield losses in field and horticultural crops, health problems to human beings and livestock. A study on the socioeconomic and ecological impacts of P. hysterophorus was conducted in five Kebeles (lowest administrative division) of Boset Woreda (District), Ethiopia....

Author(s): Gadisa Duguma, Daniel Fitamo and Firew Kebede  

Biochemical characterization of four less exploited edible fruits in Congo-Brazzaville: Passiflora edulis f. flavicarpa, Aframomum alboviolaceum, Saba comorensis and Clitandra cymulosa

November 2019

The aim of this study was to determine the biochemical characteristics (moisture, crude protein, crude lipids, ash, pH, titrable acidity, minerals and free sugars) of four popular edible fruits (Passiflora edulis f. flavicarpa, Aframomum alboviolaceum, Saba comorensis and Clitandra cymulosa), but less exploited. The pulp and seeds of P. edulis f. flavicarpa and A. alboviolaceum was also investigated in order to identify...

Author(s): Josiane Enzonga, Jean Paul Latran Ossoko, Yves Okandza, Arielle Makimouha-Kali and Mvoula Tsieri  

Genotype-by-environment interaction and stability analysis of soybean genotypes for yield and yield components across two locations in Nigeria

November 2019

A multilocational evaluation of 20 soybean genotypes was conducted in two distinct locations (Nsukka in Derived Savanna agro-ecology and Jalingo in Northern Guinea Savanna) of Nigeria in 2015 and 2016 cropping seasons. The experiments were laid out in an Alpha lattice design and replicated three times in each location. The main objective of the research was to determine the genotype-by-environment interaction (G x E)...

Author(s): Jandong, E. A., Uguru, M. I. and Okechukwu, E. C.  

Effect of flowering slips on the yield of sweet potato (Ipomoea batata (L.) Lam.) tubers

October 2019

Creating a nursery for sweet potato cultivation in tropical and subtropical areas including Okinawa is not necessary because planting is possible throughout the year. In general, sweet potato blooms under natural conditions in tropical and subtropical areas. Sweet potatoes are grown from non-flowering slips, which farmers generally select from a field of a previous cropping. Although the selection and collection of...

Author(s): Yoshihiro Okada, Masateru Madanbashi, Nittaya Nokham, Achara Pawasut and Pedcharada Yusuk  

Inventory on banana (Musa spp.) as trading commodities in Maluku islands, Indonesia

October 2019

This study was conducted with the aim of providing the latest situation on banana genotypic diversity present in the market places, their cultivations, their market chain and trading facilities in Maluku Province, Indonesia. A survey method was used, in which different markets, farmers and government institutions were visited and interviewed. Seventeen genotypes of three different species and different genome and ploidy...

Author(s): Leunufna Semuel, Woltering Ernst, Hogeveen- van Echtelt Esther and Van der Waal Johannes  

Influence of plant population density on growth and yield of Rosemary (Rosmarinus officinalis L.) at Wondo Genet South Ethiopia

October 2019

A field experiment was conducted at Wondo Genet Agricultural Research Center in the production season of 2013/2014 and 2014/2015 with the objective of identifying the best combination of intra and inter-row spacing for optimum plant population density of rosemary. The treatments consisted of five intra-row spacing (50, 60, 70, 80, and 90 cm) and three inter-row spacing (60, 80 and 100 cm) with a total treatment...

Author(s): Nebret Tadesse  

Effects of dry bioslurry and chemical fertilizers on tomato growth performance, fruit yield and soil properties under irrigated condition in Southern Ethiopian

October 2019

Poor soil fertility and low level of fertilizer application results in low productivity of irrigated tomatoes (Lycopersicon esculentum Mill.) in Arba Minch Zuria District, Southern Ethiopia. Therefore, this experiment was conducted to evaluate the role of integrated application of dry bioslurry and chemical fertilizers on growth performance and fruit yield of tomato, and on soil properties. A factorial combination of...

Author(s): Geremew Biramo, Girma Abera and Birhanu Biazin  

Genetic diversity studies for morphological traits of hot pepper (Capsicum annuum L.) genotypes in Central Zone of Tigray Region, Northern Ethiopia

October 2019

Hot pepper is the dominant vegetable crop grown in different parts of Ethiopia with long history of cultivation and considerable genetic diversity for most important morphological traits. However, shortage of varieties, the prevalence of fungal and bacterial as well as viral diseases, information is lacking on genetic diversity and genetic information to design genetic resource conservation to improve yield and yield...

Author(s): Fasikaw Belay, Berhanu Abate, and Yemane Tsehaye  

Smallholders’ technical efficiency of teff production in Ethiopia

October 2019

The main objective of this study is to examine the level and determinants of technical efficiency of smallholder Teff producers in Ethiopia using Stochastic Frontier Analysis (SFA), with appropriate production function, trans-log by LR test. Secondary data from Ethiopian socio-economic survey were used for the analysis. The result of Maximum likelihood Estimate (MLE) shows that area, fertilizer and fragmentation of land...

Author(s): Mastewal Demil Kassa, Wondaferahu Mulugeta Demissie and Muhdin Muhammedhussen Batu  

Page 13 of 137, showing 50 records out of 6836 total, starting on record 601, ending on 650